From 28e7579b05bb56050822f39d115cc49e8d8a88bf Mon Sep 17 00:00:00 2001 From: svastm Date: Thu, 21 Apr 2016 16:22:43 +0200 Subject: [PATCH] [NUCLEO_L031K6] Add CMSIS target --- .../TOOLCHAIN_ARM_MICRO/startup_stm32l031xx.S | 224 + .../TOOLCHAIN_ARM_MICRO/stm32l031k6.sct | 44 + .../TOOLCHAIN_ARM_MICRO/sys.cpp | 56 + .../TOOLCHAIN_ARM_STD/startup_stm32l031xx.S | 203 + .../TOOLCHAIN_ARM_STD/stm32l031k6.sct | 44 + .../TOOLCHAIN_ARM_STD/sys.cpp | 56 + .../TOOLCHAIN_GCC_ARM/STM32L031K6.ld | 153 + .../TOOLCHAIN_GCC_ARM/startup_stm32l031xx.S | 276 ++ .../TOOLCHAIN_IAR/startup_stm32l031xx.S | 286 ++ .../TOOLCHAIN_IAR/stm32l031xx.icf | 30 + .../TARGET_NUCLEO_L031K6/cmsis.h | 38 + .../TARGET_NUCLEO_L031K6/cmsis_nvic.c | 55 + .../TARGET_NUCLEO_L031K6/cmsis_nvic.h | 54 + .../TARGET_NUCLEO_L031K6/hal_tick.c | 145 + .../TARGET_NUCLEO_L031K6/hal_tick.h | 60 + .../TARGET_NUCLEO_L031K6/stm32l031xx.h | 3641 +++++++++++++++++ .../TARGET_NUCLEO_L031K6/stm32l0xx.h | 245 ++ .../TARGET_NUCLEO_L031K6/stm32l0xx_hal_conf.h | 313 ++ .../TARGET_NUCLEO_L031K6/system_stm32l0xx.c | 534 +++ .../TARGET_NUCLEO_L031K6/system_stm32l0xx.h | 123 + 20 files changed, 6580 insertions(+) create mode 100644 libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_MICRO/startup_stm32l031xx.S create mode 100644 libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_MICRO/stm32l031k6.sct create mode 100644 libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_MICRO/sys.cpp create mode 100644 libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_STD/startup_stm32l031xx.S create mode 100644 libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_STD/stm32l031k6.sct create mode 100644 libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_STD/sys.cpp create mode 100644 libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_GCC_ARM/STM32L031K6.ld create mode 100644 libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_GCC_ARM/startup_stm32l031xx.S create mode 100644 libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_IAR/startup_stm32l031xx.S create mode 100644 libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_IAR/stm32l031xx.icf create mode 100644 libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/cmsis.h create mode 100644 libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/cmsis_nvic.c create mode 100644 libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/cmsis_nvic.h create mode 100644 libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/hal_tick.c create mode 100644 libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/hal_tick.h create mode 100644 libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/stm32l031xx.h create mode 100644 libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/stm32l0xx.h create mode 100644 libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/stm32l0xx_hal_conf.h create mode 100644 libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/system_stm32l0xx.c create mode 100644 libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/system_stm32l0xx.h diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_MICRO/startup_stm32l031xx.S b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_MICRO/startup_stm32l031xx.S new file mode 100644 index 0000000000..51ed9fc936 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_MICRO/startup_stm32l031xx.S @@ -0,0 +1,224 @@ +;******************** (C) COPYRIGHT 2016 STMicroelectronics ******************** +;* File Name : startup_stm32l053xx.s +;* Author : MCD Application Team +;* Version : V1.5.0 +;* Date : 8-January-2016 +;* Description : STM32l053xx Devices vector table for MDK-ARM toolchain. +;* This module performs: +;* - Set the initial SP +;* - Set the initial PC == Reset_Handler +;* - Set the vector table entries with the exceptions ISR address +;* - Branches to __main in the C library (which eventually +;* calls main()). +;* After Reset the Cortex-M0+ processor is in Thread mode, +;* priority is Privileged, and the Stack is set to Main. +;* <<< Use Configuration Wizard in Context Menu >>> +;******************************************************************************* +;* +;* Redistribution and use in source and binary forms, with or without modification, +;* are permitted provided that the following conditions are met: +;* 1. Redistributions of source code must retain the above copyright notice, +;* this list of conditions and the following disclaimer. +;* 2. Redistributions in binary form must reproduce the above copyright notice, +;* this list of conditions and the following disclaimer in the documentation +;* and/or other materials provided with the distribution. +;* 3. Neither the name of STMicroelectronics nor the names of its contributors +;* may be used to endorse or promote products derived from this software +;* without specific prior written permission. +;* +;* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +;* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +;* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +;* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +;* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +;* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +;* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +;* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +;* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +;* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +;* +;******************************************************************************* +; +; Amount of memory (in bytes) allocated for Stack +; Tailor this value to your application needs +; Stack Configuration +; Stack Size (in Bytes) <0x0-0xFFFFFFFF:8> +; + +Stack_Size EQU 0x00000400 + + AREA STACK, NOINIT, READWRITE, ALIGN=3 + EXPORT __initial_sp + +Stack_Mem SPACE Stack_Size +__initial_sp EQU 0x20002000 ; Top of RAM + + +; Heap Configuration +; Heap Size (in Bytes) <0x0-0xFFFFFFFF:8> +; + +Heap_Size EQU 0x00000400 + + AREA HEAP, NOINIT, READWRITE, ALIGN=3 + EXPORT __heap_base + EXPORT __heap_limit + +__heap_base +Heap_Mem SPACE Heap_Size +__heap_limit EQU (__initial_sp - Stack_Size) + + PRESERVE8 + THUMB + + +; Vector Table Mapped to Address 0 at Reset + AREA RESET, DATA, READONLY + EXPORT __Vectors + EXPORT __Vectors_End + EXPORT __Vectors_Size + +__Vectors DCD __initial_sp ; Top of Stack + DCD Reset_Handler ; Reset Handler + DCD NMI_Handler ; NMI Handler + DCD HardFault_Handler ; Hard Fault Handler + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD SVC_Handler ; SVCall Handler + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD PendSV_Handler ; PendSV Handler + DCD SysTick_Handler ; SysTick Handler + + ; External Interrupts + DCD WWDG_IRQHandler ; Window Watchdog + DCD PVD_IRQHandler ; PVD through EXTI Line detect + DCD RTC_IRQHandler ; RTC through EXTI Line + DCD FLASH_IRQHandler ; FLASH + DCD RCC_IRQHandler ; RCC + DCD EXTI0_1_IRQHandler ; EXTI Line 0 and 1 + DCD EXTI2_3_IRQHandler ; EXTI Line 2 and 3 + DCD EXTI4_15_IRQHandler ; EXTI Line 4 to 15 + DCD 0 ; Reserved + DCD DMA1_Channel1_IRQHandler ; DMA1 Channel 1 + DCD DMA1_Channel2_3_IRQHandler ; DMA1 Channel 2 and Channel 3 + DCD DMA1_Channel4_5_6_7_IRQHandler ; DMA1 Channel 4, Channel 5, Channel 6 and Channel 7 + DCD ADC1_COMP_IRQHandler ; ADC1, COMP1 + DCD LPTIM1_IRQHandler ; LPTIM1 + DCD 0 ; Reserved + DCD TIM2_IRQHandler ; TIM2 + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD TIM21_IRQHandler ; TIM21 + DCD 0 ; Reserved + DCD TIM22_IRQHandler ; TIM22 + DCD I2C1_IRQHandler ; I2C1 + DCD 0 ; Reserved + DCD SPI1_IRQHandler ; SPI1 + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD USART2_IRQHandler ; USART2 + DCD LPUART1_IRQHandler ; LPUART1 + DCD 0 ; Reserved + DCD 0 ; Reserved + +__Vectors_End + +__Vectors_Size EQU __Vectors_End - __Vectors + + AREA |.text|, CODE, READONLY + +; Reset handler routine +Reset_Handler PROC + EXPORT Reset_Handler [WEAK] + IMPORT __main + IMPORT SystemInit + LDR R0, =SystemInit + BLX R0 + LDR R0, =__main + BX R0 + ENDP + +; Dummy Exception Handlers (infinite loops which can be modified) + +NMI_Handler PROC + EXPORT NMI_Handler [WEAK] + B . + ENDP +HardFault_Handler\ + PROC + EXPORT HardFault_Handler [WEAK] + B . + ENDP +SVC_Handler PROC + EXPORT SVC_Handler [WEAK] + B . + ENDP +PendSV_Handler PROC + EXPORT PendSV_Handler [WEAK] + B . + ENDP +SysTick_Handler PROC + EXPORT SysTick_Handler [WEAK] + B . + ENDP + +Default_Handler PROC + + EXPORT WWDG_IRQHandler [WEAK] + EXPORT PVD_IRQHandler [WEAK] + EXPORT RTC_IRQHandler [WEAK] + EXPORT FLASH_IRQHandler [WEAK] + EXPORT RCC_IRQHandler [WEAK] + EXPORT EXTI0_1_IRQHandler [WEAK] + EXPORT EXTI2_3_IRQHandler [WEAK] + EXPORT EXTI4_15_IRQHandler [WEAK] + EXPORT DMA1_Channel1_IRQHandler [WEAK] + EXPORT DMA1_Channel2_3_IRQHandler [WEAK] + EXPORT DMA1_Channel4_5_6_7_IRQHandler [WEAK] + EXPORT ADC1_COMP_IRQHandler [WEAK] + EXPORT LPTIM1_IRQHandler [WEAK] + EXPORT TIM2_IRQHandler [WEAK] + EXPORT TIM21_IRQHandler [WEAK] + EXPORT TIM22_IRQHandler [WEAK] + EXPORT I2C1_IRQHandler [WEAK] + EXPORT SPI1_IRQHandler [WEAK] + EXPORT USART2_IRQHandler [WEAK] + EXPORT LPUART1_IRQHandler [WEAK] + +WWDG_IRQHandler +PVD_IRQHandler +RTC_IRQHandler +FLASH_IRQHandler +RCC_IRQHandler +EXTI0_1_IRQHandler +EXTI2_3_IRQHandler +EXTI4_15_IRQHandler +DMA1_Channel1_IRQHandler +DMA1_Channel2_3_IRQHandler +DMA1_Channel4_5_6_7_IRQHandler +ADC1_COMP_IRQHandler +LPTIM1_IRQHandler +TIM2_IRQHandler +TIM21_IRQHandler +TIM22_IRQHandler +I2C1_IRQHandler +SPI1_IRQHandler +USART2_IRQHandler +LPUART1_IRQHandler + + B . + + ENDP + + ALIGN + END + +;************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE***** diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_MICRO/stm32l031k6.sct b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_MICRO/stm32l031k6.sct new file mode 100644 index 0000000000..dc8e7b2b03 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_MICRO/stm32l031k6.sct @@ -0,0 +1,44 @@ +; Scatter-Loading Description File +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +; Copyright (c) 2016, STMicroelectronics +; All rights reserved. +; +; Redistribution and use in source and binary forms, with or without +; modification, are permitted provided that the following conditions are met: +; +; 1. Redistributions of source code must retain the above copyright notice, +; this list of conditions and the following disclaimer. +; 2. Redistributions in binary form must reproduce the above copyright notice, +; this list of conditions and the following disclaimer in the documentation +; and/or other materials provided with the distribution. +; 3. Neither the name of STMicroelectronics nor the names of its contributors +; may be used to endorse or promote products derived from this software +; without specific prior written permission. +; +; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +; DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +; FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +; SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +; CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +; OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; + +; STM32L031K6: 32KB FLASH (0x8000) + 8KB RAM (0x2000) +LR_IROM1 0x08000000 0x8000 { ; load region size_region + + ER_IROM1 0x08000000 0x8000 { ; load address = execution address + *.o (RESET, +First) + *(InRoot$$Sections) + .ANY (+RO) + } + + ; Total: 48 vectors = 192 bytes (0xC0) to be reserved in RAM + RW_IRAM1 (0x20000000+0xC0) (0x2000-0xC0) { ; RW data + .ANY (+RW +ZI) + } + +} diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_MICRO/sys.cpp b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_MICRO/sys.cpp new file mode 100644 index 0000000000..bb665909b9 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_MICRO/sys.cpp @@ -0,0 +1,56 @@ +/* mbed Microcontroller Library - stackheap + * Setup a fixed single stack/heap memory model, + * between the top of the RW/ZI region and the stackpointer + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ + +#ifdef __cplusplus +extern "C" { +#endif + +#include +#include + +extern char Image$$RW_IRAM1$$ZI$$Limit[]; + +extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) { + uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit; + uint32_t sp_limit = __current_sp(); + + zi_limit = (zi_limit + 7) & ~0x7; // ensure zi_limit is 8-byte aligned + + struct __initial_stackheap r; + r.heap_base = zi_limit; + r.heap_limit = sp_limit; + return r; +} + +#ifdef __cplusplus +} +#endif diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_STD/startup_stm32l031xx.S b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_STD/startup_stm32l031xx.S new file mode 100644 index 0000000000..01380b68f9 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_STD/startup_stm32l031xx.S @@ -0,0 +1,203 @@ +;******************** (C) COPYRIGHT 2016 STMicroelectronics ******************** +;* File Name : startup_stm32l053xx.s +;* Author : MCD Application Team +;* Version : V1.5.0 +;* Date : 8-January-2016 +;* Description : STM32l053xx Devices vector table for MDK-ARM toolchain. +;* This module performs: +;* - Set the initial SP +;* - Set the initial PC == Reset_Handler +;* - Set the vector table entries with the exceptions ISR address +;* - Branches to __main in the C library (which eventually +;* calls main()). +;* After Reset the Cortex-M0+ processor is in Thread mode, +;* priority is Privileged, and the Stack is set to Main. +;* <<< Use Configuration Wizard in Context Menu >>> +;******************************************************************************* +;* +;* Redistribution and use in source and binary forms, with or without modification, +;* are permitted provided that the following conditions are met: +;* 1. Redistributions of source code must retain the above copyright notice, +;* this list of conditions and the following disclaimer. +;* 2. Redistributions in binary form must reproduce the above copyright notice, +;* this list of conditions and the following disclaimer in the documentation +;* and/or other materials provided with the distribution. +;* 3. Neither the name of STMicroelectronics nor the names of its contributors +;* may be used to endorse or promote products derived from this software +;* without specific prior written permission. +;* +;* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +;* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +;* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +;* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +;* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +;* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +;* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +;* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +;* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +;* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +;* +;******************************************************************************* +; +; Amount of memory (in bytes) allocated for Stack +; Tailor this value to your application needs +; Stack Configuration +; Stack Size (in Bytes) <0x0-0xFFFFFFFF:8> +; + +__initial_sp EQU 0x20002000 ; Top of RAM + + PRESERVE8 + THUMB + + +; Vector Table Mapped to Address 0 at Reset + AREA RESET, DATA, READONLY + EXPORT __Vectors + EXPORT __Vectors_End + EXPORT __Vectors_Size + +__Vectors DCD __initial_sp ; Top of Stack + DCD Reset_Handler ; Reset Handler + DCD NMI_Handler ; NMI Handler + DCD HardFault_Handler ; Hard Fault Handler + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD SVC_Handler ; SVCall Handler + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD PendSV_Handler ; PendSV Handler + DCD SysTick_Handler ; SysTick Handler + + ; External Interrupts + DCD WWDG_IRQHandler ; Window Watchdog + DCD PVD_IRQHandler ; PVD through EXTI Line detect + DCD RTC_IRQHandler ; RTC through EXTI Line + DCD FLASH_IRQHandler ; FLASH + DCD RCC_IRQHandler ; RCC + DCD EXTI0_1_IRQHandler ; EXTI Line 0 and 1 + DCD EXTI2_3_IRQHandler ; EXTI Line 2 and 3 + DCD EXTI4_15_IRQHandler ; EXTI Line 4 to 15 + DCD 0 ; Reserved + DCD DMA1_Channel1_IRQHandler ; DMA1 Channel 1 + DCD DMA1_Channel2_3_IRQHandler ; DMA1 Channel 2 and Channel 3 + DCD DMA1_Channel4_5_6_7_IRQHandler ; DMA1 Channel 4, Channel 5, Channel 6 and Channel 7 + DCD ADC1_COMP_IRQHandler ; ADC1, COMP1 + DCD LPTIM1_IRQHandler ; LPTIM1 + DCD 0 ; Reserved + DCD TIM2_IRQHandler ; TIM2 + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD TIM21_IRQHandler ; TIM21 + DCD 0 ; Reserved + DCD TIM22_IRQHandler ; TIM22 + DCD I2C1_IRQHandler ; I2C1 + DCD 0 ; Reserved + DCD SPI1_IRQHandler ; SPI1 + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD USART2_IRQHandler ; USART2 + DCD LPUART1_IRQHandler ; LPUART1 + DCD 0 ; Reserved + DCD 0 ; Reserved + +__Vectors_End + +__Vectors_Size EQU __Vectors_End - __Vectors + + AREA |.text|, CODE, READONLY + +; Reset handler routine +Reset_Handler PROC + EXPORT Reset_Handler [WEAK] + IMPORT __main + IMPORT SystemInit + LDR R0, =SystemInit + BLX R0 + LDR R0, =__main + BX R0 + ENDP + +; Dummy Exception Handlers (infinite loops which can be modified) + +NMI_Handler PROC + EXPORT NMI_Handler [WEAK] + B . + ENDP +HardFault_Handler\ + PROC + EXPORT HardFault_Handler [WEAK] + B . + ENDP +SVC_Handler PROC + EXPORT SVC_Handler [WEAK] + B . + ENDP +PendSV_Handler PROC + EXPORT PendSV_Handler [WEAK] + B . + ENDP +SysTick_Handler PROC + EXPORT SysTick_Handler [WEAK] + B . + ENDP + +Default_Handler PROC + + EXPORT WWDG_IRQHandler [WEAK] + EXPORT PVD_IRQHandler [WEAK] + EXPORT RTC_IRQHandler [WEAK] + EXPORT FLASH_IRQHandler [WEAK] + EXPORT RCC_IRQHandler [WEAK] + EXPORT EXTI0_1_IRQHandler [WEAK] + EXPORT EXTI2_3_IRQHandler [WEAK] + EXPORT EXTI4_15_IRQHandler [WEAK] + EXPORT DMA1_Channel1_IRQHandler [WEAK] + EXPORT DMA1_Channel2_3_IRQHandler [WEAK] + EXPORT DMA1_Channel4_5_6_7_IRQHandler [WEAK] + EXPORT ADC1_COMP_IRQHandler [WEAK] + EXPORT LPTIM1_IRQHandler [WEAK] + EXPORT TIM2_IRQHandler [WEAK] + EXPORT TIM21_IRQHandler [WEAK] + EXPORT TIM22_IRQHandler [WEAK] + EXPORT I2C1_IRQHandler [WEAK] + EXPORT SPI1_IRQHandler [WEAK] + EXPORT USART2_IRQHandler [WEAK] + EXPORT LPUART1_IRQHandler [WEAK] + +WWDG_IRQHandler +PVD_IRQHandler +RTC_IRQHandler +FLASH_IRQHandler +RCC_IRQHandler +EXTI0_1_IRQHandler +EXTI2_3_IRQHandler +EXTI4_15_IRQHandler +DMA1_Channel1_IRQHandler +DMA1_Channel2_3_IRQHandler +DMA1_Channel4_5_6_7_IRQHandler +ADC1_COMP_IRQHandler +LPTIM1_IRQHandler +TIM2_IRQHandler +TIM21_IRQHandler +TIM22_IRQHandler +I2C1_IRQHandler +SPI1_IRQHandler +USART2_IRQHandler +LPUART1_IRQHandler + + B . + + ENDP + + ALIGN + END + +;************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE***** diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_STD/stm32l031k6.sct b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_STD/stm32l031k6.sct new file mode 100644 index 0000000000..dc8e7b2b03 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_STD/stm32l031k6.sct @@ -0,0 +1,44 @@ +; Scatter-Loading Description File +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +; Copyright (c) 2016, STMicroelectronics +; All rights reserved. +; +; Redistribution and use in source and binary forms, with or without +; modification, are permitted provided that the following conditions are met: +; +; 1. Redistributions of source code must retain the above copyright notice, +; this list of conditions and the following disclaimer. +; 2. Redistributions in binary form must reproduce the above copyright notice, +; this list of conditions and the following disclaimer in the documentation +; and/or other materials provided with the distribution. +; 3. Neither the name of STMicroelectronics nor the names of its contributors +; may be used to endorse or promote products derived from this software +; without specific prior written permission. +; +; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +; DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +; FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +; SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +; CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +; OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; + +; STM32L031K6: 32KB FLASH (0x8000) + 8KB RAM (0x2000) +LR_IROM1 0x08000000 0x8000 { ; load region size_region + + ER_IROM1 0x08000000 0x8000 { ; load address = execution address + *.o (RESET, +First) + *(InRoot$$Sections) + .ANY (+RO) + } + + ; Total: 48 vectors = 192 bytes (0xC0) to be reserved in RAM + RW_IRAM1 (0x20000000+0xC0) (0x2000-0xC0) { ; RW data + .ANY (+RW +ZI) + } + +} diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_STD/sys.cpp b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_STD/sys.cpp new file mode 100644 index 0000000000..bb665909b9 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_ARM_STD/sys.cpp @@ -0,0 +1,56 @@ +/* mbed Microcontroller Library - stackheap + * Setup a fixed single stack/heap memory model, + * between the top of the RW/ZI region and the stackpointer + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ + +#ifdef __cplusplus +extern "C" { +#endif + +#include +#include + +extern char Image$$RW_IRAM1$$ZI$$Limit[]; + +extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) { + uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit; + uint32_t sp_limit = __current_sp(); + + zi_limit = (zi_limit + 7) & ~0x7; // ensure zi_limit is 8-byte aligned + + struct __initial_stackheap r; + r.heap_base = zi_limit; + r.heap_limit = sp_limit; + return r; +} + +#ifdef __cplusplus +} +#endif diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_GCC_ARM/STM32L031K6.ld b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_GCC_ARM/STM32L031K6.ld new file mode 100644 index 0000000000..394de87906 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_GCC_ARM/STM32L031K6.ld @@ -0,0 +1,153 @@ +/* Linker script to configure memory regions. */ +MEMORY +{ + FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 32k + RAM (rwx) : ORIGIN = 0x200000C0, LENGTH = 8K - 0xC0 +} + +/* Linker script to place sections and symbol values. Should be used together + * with other linker script that defines memory regions FLASH and RAM. + * It references following symbols, which must be defined in code: + * Reset_Handler : Entry of reset handler + * + * It defines following symbols, which code can use without definition: + * __exidx_start + * __exidx_end + * __etext + * __data_start__ + * __preinit_array_start + * __preinit_array_end + * __init_array_start + * __init_array_end + * __fini_array_start + * __fini_array_end + * __data_end__ + * __bss_start__ + * __bss_end__ + * __end__ + * end + * __HeapLimit + * __StackLimit + * __StackTop + * __stack + * _estack + */ +ENTRY(Reset_Handler) + +SECTIONS +{ + .text : + { + KEEP(*(.isr_vector)) + *(.text*) + KEEP(*(.init)) + KEEP(*(.fini)) + + /* .ctors */ + *crtbegin.o(.ctors) + *crtbegin?.o(.ctors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) + *(SORT(.ctors.*)) + *(.ctors) + + /* .dtors */ + *crtbegin.o(.dtors) + *crtbegin?.o(.dtors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) + *(SORT(.dtors.*)) + *(.dtors) + + *(.rodata*) + + KEEP(*(.eh_frame*)) + } > FLASH + + .ARM.extab : + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + } > FLASH + + __exidx_start = .; + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + } > FLASH + __exidx_end = .; + + __etext = .; + _sidata = .; + + .data : AT (__etext) + { + __data_start__ = .; + _sdata = .; + *(vtable) + *(.data*) + + . = ALIGN(4); + /* preinit data */ + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP(*(.preinit_array)) + PROVIDE_HIDDEN (__preinit_array_end = .); + + . = ALIGN(4); + /* init data */ + PROVIDE_HIDDEN (__init_array_start = .); + KEEP(*(SORT(.init_array.*))) + KEEP(*(.init_array)) + PROVIDE_HIDDEN (__init_array_end = .); + + + . = ALIGN(4); + /* finit data */ + PROVIDE_HIDDEN (__fini_array_start = .); + KEEP(*(SORT(.fini_array.*))) + KEEP(*(.fini_array)) + PROVIDE_HIDDEN (__fini_array_end = .); + + KEEP(*(.jcr*)) + . = ALIGN(4); + /* All data end */ + __data_end__ = .; + _edata = .; + + } > RAM + + .bss : + { + . = ALIGN(4); + __bss_start__ = .; + _sbss = .; + *(.bss*) + *(COMMON) + . = ALIGN(4); + __bss_end__ = .; + _ebss = .; + } > RAM + + .heap (COPY): + { + __end__ = .; + end = __end__; + *(.heap*) + __HeapLimit = .; + } > RAM + + /* .stack_dummy section doesn't contains any symbols. It is only + * used for linker to calculate size of stack sections, and assign + * values to stack symbols later */ + .stack_dummy (COPY): + { + *(.stack*) + } > RAM + + /* Set stack top to end of RAM, and stack limit move down by + * size of stack_dummy section */ + __StackTop = ORIGIN(RAM) + LENGTH(RAM); + _estack = __StackTop; + __StackLimit = __StackTop - SIZEOF(.stack_dummy); + PROVIDE(__stack = __StackTop); + + /* Check if data + heap + stack exceeds RAM limit */ + ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack") +} diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_GCC_ARM/startup_stm32l031xx.S b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_GCC_ARM/startup_stm32l031xx.S new file mode 100644 index 0000000000..c8063a7c88 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_GCC_ARM/startup_stm32l031xx.S @@ -0,0 +1,276 @@ +/** + ****************************************************************************** + * @file startup_stm32l031xx.s + * @author MCD Application Team + * @version V1.5.0 + * @date 8-January-2016 + * @brief STM32L031xx Devices vector table for Atollic TrueSTUDIO toolchain. + * This module performs: + * - Set the initial SP + * - Set the initial PC == Reset_Handler, + * - Set the vector table entries with the exceptions ISR address + * - Branches to main in the C library (which eventually + * calls main()). + * After Reset the Cortex-M0+ processor is in Thread mode, + * priority is Privileged, and the Stack is set to Main. + ****************************************************************************** + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + + .syntax unified + .cpu cortex-m0plus + .fpu softvfp + .thumb + +.global g_pfnVectors +.global Default_Handler + +/* start address for the initialization values of the .data section. +defined in linker script */ +.word _sidata +/* start address for the .data section. defined in linker script */ +.word _sdata +/* end address for the .data section. defined in linker script */ +.word _edata +/* start address for the .bss section. defined in linker script */ +.word _sbss +/* end address for the .bss section. defined in linker script */ +.word _ebss + + .section .text.Reset_Handler + .weak Reset_Handler + .type Reset_Handler, %function +Reset_Handler: + ldr r0, =_estack + mov sp, r0 /* set stack pointer */ + +/* Copy the data segment initializers from flash to SRAM */ + movs r1, #0 + b LoopCopyDataInit + +CopyDataInit: + ldr r3, =_sidata + ldr r3, [r3, r1] + str r3, [r0, r1] + adds r1, r1, #4 + +LoopCopyDataInit: + ldr r0, =_sdata + ldr r3, =_edata + adds r2, r0, r1 + cmp r2, r3 + bcc CopyDataInit + ldr r2, =_sbss + b LoopFillZerobss +/* Zero fill the bss segment. */ +FillZerobss: + movs r3, #0 + str r3, [r2] + adds r2, r2, #4 + + +LoopFillZerobss: + ldr r3, = _ebss + cmp r2, r3 + bcc FillZerobss + +/* Call the clock system intitialization function.*/ + bl SystemInit +/* Call static constructors */ + //bl __libc_init_array +/* Call the application's entry point.*/ + //bl main + bl _start + +LoopForever: + b LoopForever + + +.size Reset_Handler, .-Reset_Handler + +/** + * @brief This is the code that gets called when the processor receives an + * unexpected interrupt. This simply enters an infinite loop, preserving + * the system state for examination by a debugger. + * + * @param None + * @retval : None +*/ + .section .text.Default_Handler,"ax",%progbits +Default_Handler: +Infinite_Loop: + b Infinite_Loop + .size Default_Handler, .-Default_Handler +/****************************************************************************** +* +* The minimal vector table for a Cortex M0. Note that the proper constructs +* must be placed on this to ensure that it ends up at physical address +* 0x0000.0000. +* +******************************************************************************/ + .section .isr_vector,"a",%progbits + .type g_pfnVectors, %object + .size g_pfnVectors, .-g_pfnVectors + + +g_pfnVectors: + .word _estack + .word Reset_Handler + .word NMI_Handler + .word HardFault_Handler + .word 0 + .word 0 + .word 0 + .word 0 + .word 0 + .word 0 + .word 0 + .word SVC_Handler + .word 0 + .word 0 + .word PendSV_Handler + .word SysTick_Handler + .word WWDG_IRQHandler /* Window WatchDog */ + .word PVD_IRQHandler /* PVD through EXTI Line detection */ + .word RTC_IRQHandler /* RTC through the EXTI line */ + .word FLASH_IRQHandler /* FLASH */ + .word RCC_IRQHandler /* RCC */ + .word EXTI0_1_IRQHandler /* EXTI Line 0 and 1 */ + .word EXTI2_3_IRQHandler /* EXTI Line 2 and 3 */ + .word EXTI4_15_IRQHandler /* EXTI Line 4 to 15 */ + .word 0 /* Reserved */ + .word DMA1_Channel1_IRQHandler /* DMA1 Channel 1 */ + .word DMA1_Channel2_3_IRQHandler /* DMA1 Channel 2 and Channel 3 */ + .word DMA1_Channel4_5_6_7_IRQHandler /* DMA1 Channel 4, Channel 5, Channel 6 and Channel 7*/ + .word ADC1_COMP_IRQHandler /* ADC1, COMP1 and COMP2 */ + .word LPTIM1_IRQHandler /* LPTIM1 */ + .word 0 /* Reserved */ + .word TIM2_IRQHandler /* TIM2 */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word TIM21_IRQHandler /* TIM21 */ + .word 0 /* Reserved */ + .word TIM22_IRQHandler /* TIM22 */ + .word I2C1_IRQHandler /* I2C1 */ + .word 0 /* Reserved */ + .word SPI1_IRQHandler /* SPI1 */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word USART2_IRQHandler /* USART2 */ + .word LPUART1_IRQHandler /* LPUART1 */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + +/******************************************************************************* +* +* Provide weak aliases for each Exception handler to the Default_Handler. +* As they are weak aliases, any function with the same name will override +* this definition. +* +*******************************************************************************/ + + .weak NMI_Handler + .thumb_set NMI_Handler,Default_Handler + + .weak HardFault_Handler + .thumb_set HardFault_Handler,Default_Handler + + .weak SVC_Handler + .thumb_set SVC_Handler,Default_Handler + + .weak PendSV_Handler + .thumb_set PendSV_Handler,Default_Handler + + .weak SysTick_Handler + .thumb_set SysTick_Handler,Default_Handler + + .weak WWDG_IRQHandler + .thumb_set WWDG_IRQHandler,Default_Handler + + .weak PVD_IRQHandler + .thumb_set PVD_IRQHandler,Default_Handler + + .weak RTC_IRQHandler + .thumb_set RTC_IRQHandler,Default_Handler + + .weak FLASH_IRQHandler + .thumb_set FLASH_IRQHandler,Default_Handler + + .weak RCC_IRQHandler + .thumb_set RCC_IRQHandler,Default_Handler + + .weak EXTI0_1_IRQHandler + .thumb_set EXTI0_1_IRQHandler,Default_Handler + + .weak EXTI2_3_IRQHandler + .thumb_set EXTI2_3_IRQHandler,Default_Handler + + .weak EXTI4_15_IRQHandler + .thumb_set EXTI4_15_IRQHandler,Default_Handler + + .weak DMA1_Channel1_IRQHandler + .thumb_set DMA1_Channel1_IRQHandler,Default_Handler + + .weak DMA1_Channel2_3_IRQHandler + .thumb_set DMA1_Channel2_3_IRQHandler,Default_Handler + + .weak DMA1_Channel4_5_6_7_IRQHandler + .thumb_set DMA1_Channel4_5_6_7_IRQHandler,Default_Handler + + .weak ADC1_COMP_IRQHandler + .thumb_set ADC1_COMP_IRQHandler,Default_Handler + + .weak LPTIM1_IRQHandler + .thumb_set LPTIM1_IRQHandler,Default_Handler + + .weak TIM2_IRQHandler + .thumb_set TIM2_IRQHandler,Default_Handler + + .weak TIM21_IRQHandler + .thumb_set TIM21_IRQHandler,Default_Handler + + .weak TIM22_IRQHandler + .thumb_set TIM22_IRQHandler,Default_Handler + + .weak I2C1_IRQHandler + .thumb_set I2C1_IRQHandler,Default_Handler + + .weak SPI1_IRQHandler + .thumb_set SPI1_IRQHandler,Default_Handler + + .weak USART2_IRQHandler + .thumb_set USART2_IRQHandler,Default_Handler + + .weak LPUART1_IRQHandler + .thumb_set LPUART1_IRQHandler,Default_Handler + + + + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ + diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_IAR/startup_stm32l031xx.S b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_IAR/startup_stm32l031xx.S new file mode 100644 index 0000000000..c9fbb7bf68 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_IAR/startup_stm32l031xx.S @@ -0,0 +1,286 @@ +;/******************** (C) COPYRIGHT 2016 STMicroelectronics ******************** +;* File Name : startup_stm32l031xx.s +;* Author : MCD Application Team +;* Version : V1.5.0 +;* Date : 8-January-2016 +;* Description : STM32L031xx Ultra Low Power Devices vector +;* This module performs: +;* - Set the initial SP +;* - Set the initial PC == _iar_program_start, +;* - Set the vector table entries with the exceptions ISR +;* address. +;* - Configure the system clock +;* - Branches to main in the C library (which eventually +;* calls main()). +;* After Reset the Cortex-M0+ processor is in Thread mode, +;* priority is Privileged, and the Stack is set to Main. +;******************************************************************************** +;* +;* Redistribution and use in source and binary forms, with or without modification, +;* are permitted provided that the following conditions are met: +;* 1. Redistributions of source code must retain the above copyright notice, +;* this list of conditions and the following disclaimer. +;* 2. Redistributions in binary form must reproduce the above copyright notice, +;* this list of conditions and the following disclaimer in the documentation +;* and/or other materials provided with the distribution. +;* 3. Neither the name of STMicroelectronics nor the names of its contributors +;* may be used to endorse or promote products derived from this software +;* without specific prior written permission. +;* +;* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +;* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +;* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +;* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +;* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +;* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +;* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +;* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +;* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +;* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +;* +;*******************************************************************************/ +; +; +; The modules in this file are included in the libraries, and may be replaced +; by any user-defined modules that define the PUBLIC symbol _program_start or +; a user defined start symbol. +; To override the cstartup defined in the library, simply add your modified +; version to the workbench project. +; +; The vector table is normally located at address 0. +; When debugging in RAM, it can be located in RAM, aligned to at least 2^6. +; The name "__vector_table" has special meaning for C-SPY: +; it is where the SP start value is found, and the NVIC vector +; table register (VTOR) is initialized to this address if != 0. +; +; Cortex-M version +; + + MODULE ?cstartup + + ;; Forward declaration of sections. + SECTION CSTACK:DATA:NOROOT(3) + + SECTION .intvec:CODE:NOROOT(2) + + EXTERN __iar_program_start + EXTERN SystemInit + PUBLIC __vector_table + + DATA +__vector_table + DCD sfe(CSTACK) + DCD Reset_Handler ; Reset Handler + + DCD NMI_Handler ; NMI Handler + DCD HardFault_Handler ; Hard Fault Handler + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD SVC_Handler ; SVCall Handler + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD PendSV_Handler ; PendSV Handler + DCD SysTick_Handler ; SysTick Handler + + ; External Interrupts + DCD WWDG_IRQHandler ; Window Watchdog + DCD PVD_IRQHandler ; PVD through EXTI Line detect + DCD RTC_IRQHandler ; RTC through EXTI Line + DCD FLASH_IRQHandler ; FLASH + DCD RCC_IRQHandler ; RCC + DCD EXTI0_1_IRQHandler ; EXTI Line 0 and 1 + DCD EXTI2_3_IRQHandler ; EXTI Line 2 and 3 + DCD EXTI4_15_IRQHandler ; EXTI Line 4 to 15 + DCD 0 ; Reserved + DCD DMA1_Channel1_IRQHandler ; DMA1 Channel 1 + DCD DMA1_Channel2_3_IRQHandler ; DMA1 Channel 2 and Channel 3 + DCD DMA1_Channel4_5_6_7_IRQHandler ; DMA1 Channel 4, Channel 5, Channel 6 and Channel 7 + DCD ADC1_COMP_IRQHandler ; ADC1, COMP1 + DCD LPTIM1_IRQHandler ; LPTIM1 + DCD 0 ; Reserved + DCD TIM2_IRQHandler ; TIM2 + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD TIM21_IRQHandler ; TIM21 + DCD 0 ; Reserved + DCD TIM22_IRQHandler ; TIM22 + DCD I2C1_IRQHandler ; I2C1 + DCD 0 ; Reserved + DCD SPI1_IRQHandler ; SPI1 + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD USART2_IRQHandler ; USART2 + DCD LPUART1_IRQHandler ; LPUART1 + DCD 0 ; Reserved + DCD 0 ; Reserved + +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +;; +;; Default interrupt handlers. +;; + THUMB + PUBWEAK Reset_Handler + SECTION .text:CODE:NOROOT:REORDER(2) +Reset_Handler + LDR R0, =SystemInit + BLX R0 + LDR R0, =__iar_program_start + BX R0 + + PUBWEAK NMI_Handler + SECTION .text:CODE:NOROOT:REORDER(1) +NMI_Handler + B NMI_Handler + + + PUBWEAK HardFault_Handler + SECTION .text:CODE:NOROOT:REORDER(1) +HardFault_Handler + B HardFault_Handler + + + PUBWEAK SVC_Handler + SECTION .text:CODE:NOROOT:REORDER(1) +SVC_Handler + B SVC_Handler + + + PUBWEAK PendSV_Handler + SECTION .text:CODE:NOROOT:REORDER(1) +PendSV_Handler + B PendSV_Handler + + + PUBWEAK SysTick_Handler + SECTION .text:CODE:NOROOT:REORDER(1) +SysTick_Handler + B SysTick_Handler + + + PUBWEAK WWDG_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +WWDG_IRQHandler + B WWDG_IRQHandler + + + PUBWEAK PVD_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +PVD_IRQHandler + B PVD_IRQHandler + + + PUBWEAK RTC_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +RTC_IRQHandler + B RTC_IRQHandler + + + PUBWEAK FLASH_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +FLASH_IRQHandler + B FLASH_IRQHandler + + + PUBWEAK RCC_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +RCC_IRQHandler + B RCC_IRQHandler + + + PUBWEAK EXTI0_1_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +EXTI0_1_IRQHandler + B EXTI0_1_IRQHandler + + + PUBWEAK EXTI2_3_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +EXTI2_3_IRQHandler + B EXTI2_3_IRQHandler + + + PUBWEAK EXTI4_15_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +EXTI4_15_IRQHandler + B EXTI4_15_IRQHandler + + + PUBWEAK DMA1_Channel1_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +DMA1_Channel1_IRQHandler + B DMA1_Channel1_IRQHandler + + + PUBWEAK DMA1_Channel2_3_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +DMA1_Channel2_3_IRQHandler + B DMA1_Channel2_3_IRQHandler + + + PUBWEAK DMA1_Channel4_5_6_7_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +DMA1_Channel4_5_6_7_IRQHandler + B DMA1_Channel4_5_6_7_IRQHandler + + + PUBWEAK ADC1_COMP_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +ADC1_COMP_IRQHandler + B ADC1_COMP_IRQHandler + + + PUBWEAK LPTIM1_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +LPTIM1_IRQHandler + B LPTIM1_IRQHandler + + + PUBWEAK TIM2_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +TIM2_IRQHandler + B TIM2_IRQHandler + + + PUBWEAK TIM21_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +TIM21_IRQHandler + B TIM21_IRQHandler + + PUBWEAK TIM22_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +TIM22_IRQHandler + B TIM22_IRQHandler + + + PUBWEAK I2C1_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +I2C1_IRQHandler + B I2C1_IRQHandler + + + PUBWEAK SPI1_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +SPI1_IRQHandler + B SPI1_IRQHandler + + + PUBWEAK USART2_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +USART2_IRQHandler + B USART2_IRQHandler + + + PUBWEAK LPUART1_IRQHandler + SECTION .text:CODE:NOROOT:REORDER(1) +LPUART1_IRQHandler + B LPUART1_IRQHandler + + END +;************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE***** diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_IAR/stm32l031xx.icf b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_IAR/stm32l031xx.icf new file mode 100644 index 0000000000..5f4a5d3521 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/TOOLCHAIN_IAR/stm32l031xx.icf @@ -0,0 +1,30 @@ +/* [ROM = 32kb = 0x8000] */ +define symbol __intvec_start__ = 0x08000000; +define symbol __region_ROM_start__ = 0x08000000; +define symbol __region_ROM_end__ = 0x08007FFF; + +/* [RAM = 8kb = 0x2000] Vector table dynamic copy: 48 vectors = 192 bytes (0xC0) to be reserved in RAM */ +define symbol __NVIC_start__ = 0x20000000; +define symbol __NVIC_end__ = 0x200000BF; /* Aligned on 8 bytes */ +define symbol __region_RAM_start__ = 0x200000C0; +define symbol __region_RAM_end__ = 0x20001FFF; + +/* Memory regions */ +define memory mem with size = 4G; +define region ROM_region = mem:[from __region_ROM_start__ to __region_ROM_end__]; +define region RAM_region = mem:[from __region_RAM_start__ to __region_RAM_end__]; + +/* Stack and Heap */ +define symbol __size_cstack__ = 0x500; +define symbol __size_heap__ = 0x1000; +define block CSTACK with alignment = 8, size = __size_cstack__ { }; +define block HEAP with alignment = 8, size = __size_heap__ { }; +define block STACKHEAP with fixed order { block HEAP, block CSTACK }; + +initialize by copy with packing = zeros { readwrite }; +do not initialize { section .noinit }; + +place at address mem:__intvec_start__ { readonly section .intvec }; + +place in ROM_region { readonly }; +place in RAM_region { readwrite, block STACKHEAP }; diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/cmsis.h b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/cmsis.h new file mode 100644 index 0000000000..eaecefae59 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/cmsis.h @@ -0,0 +1,38 @@ +/* mbed Microcontroller Library + * A generic CMSIS include header + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ + +#ifndef MBED_CMSIS_H +#define MBED_CMSIS_H + +#include "stm32l0xx.h" +#include "cmsis_nvic.h" + +#endif diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/cmsis_nvic.c b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/cmsis_nvic.c new file mode 100644 index 0000000000..2da63fc9af --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/cmsis_nvic.c @@ -0,0 +1,55 @@ +/* mbed Microcontroller Library + * CMSIS-style functionality to support dynamic vectors + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#include "cmsis_nvic.h" + +#define NVIC_RAM_VECTOR_ADDRESS (0x20000000) // Vectors positioned at start of RAM +#define NVIC_FLASH_VECTOR_ADDRESS (0x08000000) // Initial vector position in flash + +void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) { + uint32_t *vectors = (uint32_t *)SCB->VTOR; + uint32_t i; + + // Copy and switch to dynamic vectors if the first time called + if (SCB->VTOR == NVIC_FLASH_VECTOR_ADDRESS) { + uint32_t *old_vectors = vectors; + vectors = (uint32_t*)NVIC_RAM_VECTOR_ADDRESS; + for (i=0; iVTOR = (uint32_t)NVIC_RAM_VECTOR_ADDRESS; + } + vectors[IRQn + NVIC_USER_IRQ_OFFSET] = vector; +} + +uint32_t NVIC_GetVector(IRQn_Type IRQn) { + uint32_t *vectors = (uint32_t*)SCB->VTOR; + return vectors[IRQn + NVIC_USER_IRQ_OFFSET]; +} diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/cmsis_nvic.h b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/cmsis_nvic.h new file mode 100644 index 0000000000..64c689a3b0 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/cmsis_nvic.h @@ -0,0 +1,54 @@ +/* mbed Microcontroller Library + * CMSIS-style functionality to support dynamic vectors + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ + +#ifndef MBED_CMSIS_NVIC_H +#define MBED_CMSIS_NVIC_H + +// CORE: 16 vectors = 64 bytes from 0x00 to 0x3F +// MCU Peripherals: 32 vectors = 128 bytes from 0x40 to 0xBF +// Total: 48 vectors = 192 bytes (0xC0) to be reserved in RAM +#define NVIC_NUM_VECTORS 48 +#define NVIC_USER_IRQ_OFFSET 16 + +#include "cmsis.h" + +#ifdef __cplusplus +extern "C" { +#endif + +void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector); +uint32_t NVIC_GetVector(IRQn_Type IRQn); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/hal_tick.c b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/hal_tick.c new file mode 100644 index 0000000000..9e42da7a4e --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/hal_tick.c @@ -0,0 +1,145 @@ +/** + ****************************************************************************** + * @file hal_tick.c + * @author MCD Application Team + * @brief Initialization of HAL tick + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2014 STMicroelectronics

+ * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ +#include "hal_tick.h" + +TIM_HandleTypeDef TimMasterHandle; +uint32_t PreviousVal = 0; + +void us_ticker_irq_handler(void); +void set_compare(uint16_t count); + +extern volatile uint32_t SlaveCounter; +extern volatile uint32_t oc_int_part; +extern volatile uint16_t oc_rem_part; + +void timer_irq_handler(void) { + uint16_t cval = TIM_MST->CNT; + + TimMasterHandle.Instance = TIM_MST; + + // Clear Update interrupt flag + if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE) == SET) { + __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE); + SlaveCounter++; + } + + // Channel 1 for mbed timeout + if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) { + __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1); + if (oc_rem_part > 0) { + set_compare(oc_rem_part); // Finish the remaining time left + oc_rem_part = 0; + } else { + if (oc_int_part > 0) { + set_compare(0xFFFF); + oc_rem_part = cval; // To finish the counter loop the next time + oc_int_part--; + } else { + us_ticker_irq_handler(); + } + } + } + + // Channel 2 for HAL tick + if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) { + __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC2); + uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle); + if ((val - PreviousVal) >= HAL_TICK_DELAY) { + // Increment HAL variable + HAL_IncTick(); + // Prepare next interrupt + __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY); + PreviousVal = val; + } + } +} + +// Reconfigure the HAL tick using a standard timer instead of systick. +HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) { + // Enable timer clock + TIM_MST_RCC; + + // Reset timer + TIM_MST_RESET_ON; + TIM_MST_RESET_OFF; + + // Update the SystemCoreClock variable + SystemCoreClockUpdate(); + + // Configure time base + TimMasterHandle.Instance = TIM_MST; + TimMasterHandle.Init.Period = 0xFFFFFFFF; + TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick + TimMasterHandle.Init.ClockDivision = 0; + TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP; + HAL_TIM_Base_Init(&TimMasterHandle); + + // Configure output compare channel 1 for mbed timeout (enabled later when used) + HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1); + + // Configure output compare channel 2 for HAL tick + HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2); + PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle); + __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY); + + // Configure interrupts + // Update interrupt used for 32-bit counter + // Output compare channel 1 interrupt for mbed timeout + // Output compare channel 2 interrupt for HAL tick + NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler); + NVIC_EnableIRQ(TIM_MST_IRQ); + + // Enable interrupts + __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_UPDATE); // For 32-bit counter + __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2); // For HAL tick + + // Enable timer + HAL_TIM_Base_Start(&TimMasterHandle); + + return HAL_OK; +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/hal_tick.h b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/hal_tick.h new file mode 100644 index 0000000000..d726d76e45 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/hal_tick.h @@ -0,0 +1,60 @@ +/** + ****************************************************************************** + * @file hal_tick.h + * @author MCD Application Team + * @brief Initialization of HAL tick + ****************************************************************************** + * @attention + * + *

© COPYRIGHT(c) 2014 STMicroelectronics

+ * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ +#ifndef __HAL_TICK_H +#define __HAL_TICK_H + +#ifdef __cplusplus + extern "C" { +#endif + +#include "stm32l0xx.h" +#include "cmsis_nvic.h" + +#define TIM_MST TIM21 +#define TIM_MST_IRQ TIM21_IRQn +#define TIM_MST_RCC __TIM21_CLK_ENABLE() + +#define TIM_MST_RESET_ON __TIM21_FORCE_RESET() +#define TIM_MST_RESET_OFF __TIM21_RELEASE_RESET() + +#define HAL_TICK_DELAY (1000) // 1 ms + +#ifdef __cplusplus +} +#endif + +#endif // __HAL_TICK_H + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/stm32l031xx.h b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/stm32l031xx.h new file mode 100644 index 0000000000..355646c4ee --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/stm32l031xx.h @@ -0,0 +1,3641 @@ +/** + ****************************************************************************** + * @file stm32l031xx.h + * @author MCD Application Team + * @version V1.5.0 + * @date 8-January-2016 + * @brief CMSIS Cortex-M0+ Device Peripheral Access Layer Header File. + * This file contains all the peripheral register's definitions, bits + * definitions and memory mapping for stm32l031xx devices. + * + * This file contains: + * - Data structures and the address mapping for all peripherals + * - Peripheral's registers declarations and bits definition + * - Macros to access peripheral's registers hardware + * + ****************************************************************************** + * @attention + * + *

© COPYRIGHT(c) 2016 STMicroelectronics

+ * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + +/** @addtogroup CMSIS + * @{ + */ + +/** @addtogroup stm32l031xx + * @{ + */ + +#ifndef __STM32L031xx_H +#define __STM32L031xx_H + +#ifdef __cplusplus + extern "C" { +#endif + + +/** @addtogroup Configuration_section_for_CMSIS + * @{ + */ +/** + * @brief Configuration of the Cortex-M0+ Processor and Core Peripherals + */ +#define __CM0PLUS_REV 0 /*!< Core Revision r0p0 */ +#define __MPU_PRESENT 0 /*!< STM32L0xx provides no MPU */ +#define __VTOR_PRESENT 1 /*!< Vector Table Register supported */ +#define __NVIC_PRIO_BITS 2 /*!< STM32L0xx uses 2 Bits for the Priority Levels */ +#define __Vendor_SysTickConfig 0 /*!< Set to 1 if different SysTick Config is used */ + +/** + * @} + */ + +/** @addtogroup Peripheral_interrupt_number_definition + * @{ + */ + +/** + * @brief stm32l031xx Interrupt Number Definition, according to the selected device + * in @ref Library_configuration_section + */ + +/*!< Interrupt Number Definition */ +typedef enum +{ +/****** Cortex-M0 Processor Exceptions Numbers ******************************************************/ + NonMaskableInt_IRQn = -14, /*!< 2 Non Maskable Interrupt */ + HardFault_IRQn = -13, /*!< 3 Cortex-M0+ Hard Fault Interrupt */ + SVC_IRQn = -5, /*!< 11 Cortex-M0+ SV Call Interrupt */ + PendSV_IRQn = -2, /*!< 14 Cortex-M0+ Pend SV Interrupt */ + SysTick_IRQn = -1, /*!< 15 Cortex-M0+ System Tick Interrupt */ + +/****** STM32L-0 specific Interrupt Numbers *********************************************************/ + WWDG_IRQn = 0, /*!< Window WatchDog Interrupt */ + PVD_IRQn = 1, /*!< PVD through EXTI Line detect Interrupt */ + RTC_IRQn = 2, /*!< RTC through EXTI Line Interrupt */ + FLASH_IRQn = 3, /*!< FLASH Interrupt */ + RCC_IRQn = 4, /*!< RCC Interrupt */ + EXTI0_1_IRQn = 5, /*!< EXTI Line 0 and 1 Interrupts */ + EXTI2_3_IRQn = 6, /*!< EXTI Line 2 and 3 Interrupts */ + EXTI4_15_IRQn = 7, /*!< EXTI Line 4 to 15 Interrupts */ + DMA1_Channel1_IRQn = 9, /*!< DMA1 Channel 1 Interrupt */ + DMA1_Channel2_3_IRQn = 10, /*!< DMA1 Channel 2 and Channel 3 Interrupts */ + DMA1_Channel4_5_6_7_IRQn = 11, /*!< DMA1 Channel 4, Channel 5, Channel 6 and Channel 7 Interrupts */ + ADC1_COMP_IRQn = 12, /*!< ADC1, COMP1 and COMP2 Interrupts */ + LPTIM1_IRQn = 13, /*!< LPTIM1 Interrupt */ + TIM2_IRQn = 15, /*!< TIM2 Interrupt */ + TIM21_IRQn = 20, /*!< TIM21 Interrupt */ + TIM22_IRQn = 22, /*!< TIM22 Interrupt */ + I2C1_IRQn = 23, /*!< I2C1 Interrupt */ + SPI1_IRQn = 25, /*!< SPI1 Interrupt */ + USART2_IRQn = 28, /*!< USART2 Interrupt */ + LPUART1_IRQn = 29, /*!< LPUART1 Interrupt */ +} IRQn_Type; + +/** + * @} + */ + +#include "core_cm0plus.h" +#include "system_stm32l0xx.h" +#include + +/** @addtogroup Peripheral_registers_structures + * @{ + */ + +/** + * @brief Analog to Digital Converter + */ + +typedef struct +{ + __IO uint32_t ISR; /*!< ADC Interrupt and Status register, Address offset:0x00 */ + __IO uint32_t IER; /*!< ADC Interrupt Enable register, Address offset:0x04 */ + __IO uint32_t CR; /*!< ADC Control register, Address offset:0x08 */ + __IO uint32_t CFGR1; /*!< ADC Configuration register 1, Address offset:0x0C */ + __IO uint32_t CFGR2; /*!< ADC Configuration register 2, Address offset:0x10 */ + __IO uint32_t SMPR; /*!< ADC Sampling time register, Address offset:0x14 */ + uint32_t RESERVED1; /*!< Reserved, 0x18 */ + uint32_t RESERVED2; /*!< Reserved, 0x1C */ + __IO uint32_t TR; /*!< ADC watchdog threshold register, Address offset:0x20 */ + uint32_t RESERVED3; /*!< Reserved, 0x24 */ + __IO uint32_t CHSELR; /*!< ADC channel selection register, Address offset:0x28 */ + uint32_t RESERVED4[5]; /*!< Reserved, 0x2C */ + __IO uint32_t DR; /*!< ADC data register, Address offset:0x40 */ + uint32_t RESERVED5[28]; /*!< Reserved, 0x44 - 0xB0 */ + __IO uint32_t CALFACT; /*!< ADC data register, Address offset:0xB4 */ +} ADC_TypeDef; + +typedef struct +{ + __IO uint32_t CCR; +} ADC_Common_TypeDef; + + +/** + * @brief Comparator + */ + +typedef struct +{ + __IO uint32_t CSR; /*!< COMP comparator control and status register, Address offset: 0x18 */ +} COMP_TypeDef; + +typedef struct +{ + __IO uint32_t CSR; /*!< COMP control and status register, used for bits common to several COMP instances, Address offset: 0x00 */ +} COMP_Common_TypeDef; + + +/** +* @brief CRC calculation unit +*/ + +typedef struct +{ +__IO uint32_t DR; /*!< CRC Data register, Address offset: 0x00 */ +__IO uint8_t IDR; /*!< CRC Independent data register, Address offset: 0x04 */ +uint8_t RESERVED0; /*!< Reserved, 0x05 */ +uint16_t RESERVED1; /*!< Reserved, 0x06 */ +__IO uint32_t CR; /*!< CRC Control register, Address offset: 0x08 */ +uint32_t RESERVED2; /*!< Reserved, 0x0C */ +__IO uint32_t INIT; /*!< Initial CRC value register, Address offset: 0x10 */ +__IO uint32_t POL; /*!< CRC polynomial register, Address offset: 0x14 */ +} CRC_TypeDef; + +/** + * @brief Debug MCU + */ + +typedef struct +{ + __IO uint32_t IDCODE; /*!< MCU device ID code, Address offset: 0x00 */ + __IO uint32_t CR; /*!< Debug MCU configuration register, Address offset: 0x04 */ + __IO uint32_t APB1FZ; /*!< Debug MCU APB1 freeze register, Address offset: 0x08 */ + __IO uint32_t APB2FZ; /*!< Debug MCU APB2 freeze register, Address offset: 0x0C */ +}DBGMCU_TypeDef; + +/** + * @brief DMA Controller + */ + +typedef struct +{ + __IO uint32_t CCR; /*!< DMA channel x configuration register */ + __IO uint32_t CNDTR; /*!< DMA channel x number of data register */ + __IO uint32_t CPAR; /*!< DMA channel x peripheral address register */ + __IO uint32_t CMAR; /*!< DMA channel x memory address register */ +} DMA_Channel_TypeDef; + +typedef struct +{ + __IO uint32_t ISR; /*!< DMA interrupt status register, Address offset: 0x00 */ + __IO uint32_t IFCR; /*!< DMA interrupt flag clear register, Address offset: 0x04 */ +} DMA_TypeDef; + +typedef struct +{ + __IO uint32_t CSELR; /*!< DMA channel selection register, Address offset: 0xA8 */ +} DMA_Request_TypeDef; + +/** + * @brief External Interrupt/Event Controller + */ + +typedef struct +{ + __IO uint32_t IMR; /*!
© COPYRIGHT(c) 2015 STMicroelectronics
+ * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + +/** @addtogroup CMSIS + * @{ + */ + +/** @addtogroup stm32l0xx + * @{ + */ + +#ifndef __STM32L0xx_H +#define __STM32L0xx_H + +#ifdef __cplusplus + extern "C" { +#endif /* __cplusplus */ + +/** @addtogroup Library_configuration_section + * @{ + */ + +/** + * @brief STM32 Family + */ +#if !defined (STM32L0) +#define STM32L0 +#endif /* STM32L0 */ + +/* Uncomment the line below according to the target STM32 device used in your + application + */ + +#if !defined (STM32L011xx) && !defined (STM32L021xx) && \ + !defined (STM32L031xx) && !defined (STM32L041xx) && \ + !defined (STM32L051xx) && !defined (STM32L052xx) && !defined (STM32L053xx) && \ + !defined (STM32L061xx) && !defined (STM32L062xx) && !defined (STM32L063xx) && \ + !defined (STM32L071xx) && !defined (STM32L072xx) && !defined (STM32L073xx) && \ + !defined (STM32L081xx) && !defined (STM32L082xx) && !defined (STM32L083xx) \ + /* #define STM32L011xx */ + /* #define STM32L021xx */ +#define STM32L031xx /*!< STM32L031C6, STM32L031E6, STM32L031F6, STM32L031G6, STM32L031K6 Devices */ + /* #define STM32L041xx */ /*!< STM32L041C6, STM32L041E6, STM32L041F6, STM32L041G6, STM32L041K6 Devices */ + /* #define STM32L051xx */ /*!< STM32L051K8, STM32L051C6, STM32L051C8, STM32L051R6, STM32L051R8 Devices */ + /* #define STM32L052xx */ /*!< STM32L052K6, STM32L052K8, STM32L052C6, STM32L052C8, STM32L052R6, STM32L052R8 Devices */ + /* #define STM32L053xx */ /*!< STM32L053C6, STM32L053C8, STM32L053R6, STM32L053R8 Devices */ + /* #define STM32L061xx */ /*!< */ + /* #define STM32L062xx */ /*!< STM32L062K8 */ + /* #define STM32L063xx */ /*!< STM32L063C8, STM32L063R8 */ + /* #define STM32L071xx */ /*!< */ + /* #define STM32L072xx */ /*!< */ + /* #define STM32L073xx */ /*!< STM32L073V8, STM32L073VB, STM32L073RB, STM32L073VZ, STM32L073RZ Devices */ + /* #define STM32L081xx */ /*!< */ + /* #define STM32L082xx */ /*!< */ + /* #define STM32L083xx */ /*!< */ +#endif + +/* Tip: To avoid modifying this file each time you need to switch between these + devices, you can define the device in your toolchain compiler preprocessor. + */ +#if !defined (USE_HAL_DRIVER) +/** + * @brief Comment the line below if you will not use the peripherals drivers. + In this case, these drivers will not be included and the application code will + be based on direct access to peripherals registers + */ +#define USE_HAL_DRIVER +#endif /* USE_HAL_DRIVER */ + +/** + * @brief CMSIS Device version number V1.2.0RC1 + */ +#define __STM32L0xx_CMSIS_DEVICE_VERSION_MAIN (0x01) /*!< [31:24] main version */ +#define __STM32L0xx_CMSIS_DEVICE_VERSION_SUB1 (0x03) /*!< [23:16] sub1 version */ +#define __STM32L0xx_CMSIS_DEVICE_VERSION_SUB2 (0x00) /*!< [15:8] sub2 version */ +#define __STM32L0xx_CMSIS_DEVICE_VERSION_RC (0x01) /*!< [7:0] release candidate */ +#define __STM32L0xx_CMSIS_DEVICE_VERSION ((__CMSIS_DEVICE_VERSION_MAIN << 24)\ + |(__CMSIS_DEVICE_HAL_VERSION_SUB1 << 16)\ + |(__CMSIS_DEVICE_HAL_VERSION_SUB2 << 8 )\ + |(__CMSIS_DEVICE_HAL_VERSION_RC)) + +/** + * @} + */ + +/** @addtogroup Device_Included + * @{ + */ +#if defined(STM32L011xx) + #include "stm32l011xx.h" +#elif defined(STM32L021xx) + #include "stm32l021xx.h" +#elif defined(STM32L031xx) + #include "stm32l031xx.h" +#elif defined(STM32L041xx) + #include "stm32l041xx.h" +#elif defined(STM32L051xx) + #include "stm32l051xx.h" +#elif defined(STM32L052xx) + #include "stm32l052xx.h" +#elif defined(STM32L053xx) + #include "stm32l053xx.h" +#elif defined(STM32L062xx) + #include "stm32l062xx.h" +#elif defined(STM32L063xx) + #include "stm32l063xx.h" +#elif defined(STM32L061xx) + #include "stm32l061xx.h" +#elif defined(STM32L071xx) + #include "stm32l071xx.h" +#elif defined(STM32L072xx) + #include "stm32l072xx.h" +#elif defined(STM32L073xx) + #include "stm32l073xx.h" +#elif defined(STM32L082xx) + #include "stm32l082xx.h" +#elif defined(STM32L083xx) + #include "stm32l083xx.h" +#elif defined(STM32L081xx) + #include "stm32l081xx.h" +#else + #error "Please select first the target STM32L0xx device used in your application (in stm32l0xx.h file)" +#endif + +/** + * @} + */ + +/** @addtogroup Exported_types + * @{ + */ +typedef enum +{ + RESET = 0, + SET = !RESET +} FlagStatus, ITStatus; + +typedef enum +{ + DISABLE = 0, + ENABLE = !DISABLE +} FunctionalState; +#define IS_FUNCTIONAL_STATE(STATE) (((STATE) == DISABLE) || ((STATE) == ENABLE)) + +typedef enum +{ + ERROR = 0, + SUCCESS = !ERROR +} ErrorStatus; + +/** + * @} + */ + + +/** @addtogroup Exported_macro + * @{ + */ +#define SET_BIT(REG, BIT) ((REG) |= (BIT)) + +#define CLEAR_BIT(REG, BIT) ((REG) &= ~(BIT)) + +#define READ_BIT(REG, BIT) ((REG) & (BIT)) + +#define CLEAR_REG(REG) ((REG) = (0x0)) + +#define WRITE_REG(REG, VAL) ((REG) = (VAL)) + +#define READ_REG(REG) ((REG)) + +#define MODIFY_REG(REG, CLEARMASK, SETMASK) WRITE_REG((REG), (((READ_REG(REG)) & (~(CLEARMASK))) | (SETMASK))) + +#define POSITION_VAL(VAL) (__CLZ(__RBIT(VAL))) + +/** + * @} + */ + +#if defined (USE_HAL_DRIVER) + #include "stm32l0xx_hal.h" +#endif /* USE_HAL_DRIVER */ + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* __STM32L0xx_H */ +/** + * @} + */ + +/** + * @} + */ + + + + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/stm32l0xx_hal_conf.h b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/stm32l0xx_hal_conf.h new file mode 100644 index 0000000000..d2a443b763 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/stm32l0xx_hal_conf.h @@ -0,0 +1,313 @@ +/** + ****************************************************************************** + * @file stm32l0xx_hal_conf.h + * @author MCD Application Team + * @version V1.5.0 + * @date 8-January-2016 + * @brief HAL configuration template file. + * This file should be copied to the application folder and renamed + * to stm32l0xx_hal_conf.h. + ****************************************************************************** + * @attention + * + *

© COPYRIGHT(c) 2016 STMicroelectronics

+ * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __STM32L0xx_HAL_CONF_H +#define __STM32L0xx_HAL_CONF_H + +#ifdef __cplusplus + extern "C" { +#endif + +/* Exported types ------------------------------------------------------------*/ +/* Exported constants --------------------------------------------------------*/ + +/* ########################## Module Selection ############################## */ +/** + * @brief This is the list of modules to be used in the HAL driver + */ +#define HAL_MODULE_ENABLED +#define HAL_ADC_MODULE_ENABLED +#define HAL_COMP_MODULE_ENABLED +#define HAL_CRC_MODULE_ENABLED +#define HAL_CRYP_MODULE_ENABLED +/* #define HAL_DAC_MODULE_ENABLED */ +#define HAL_DMA_MODULE_ENABLED +/* #define HAL_FIREWALL_MODULE_ENABLED */ +#define HAL_FLASH_MODULE_ENABLED +#define HAL_GPIO_MODULE_ENABLED +#define HAL_I2C_MODULE_ENABLED +/* #define HAL_I2S_MODULE_ENABLED */ +#define HAL_IWDG_MODULE_ENABLED +#define HAL_LCD_MODULE_ENABLED +#define HAL_LPTIM_MODULE_ENABLED +#define HAL_PWR_MODULE_ENABLED +#define HAL_RCC_MODULE_ENABLED +#define HAL_RNG_MODULE_ENABLED +#define HAL_RTC_MODULE_ENABLED +#define HAL_SPI_MODULE_ENABLED +#define HAL_TIM_MODULE_ENABLED +/* #define HAL_TSC_MODULE_ENABLED */ +#define HAL_UART_MODULE_ENABLED +#define HAL_USART_MODULE_ENABLED +#define HAL_IRDA_MODULE_ENABLED +#define HAL_SMARTCARD_MODULE_ENABLED +#define HAL_SMBUS_MODULE_ENABLED +#define HAL_WWDG_MODULE_ENABLED +#define HAL_CORTEX_MODULE_ENABLED +/* #define HAL_PCD_MODULE_ENABLED */ + +/* ########################## Oscillator Values adaptation ####################*/ +/** + * @brief Adjust the value of External High Speed oscillator (HSE) used in your application. + * This value is used by the RCC HAL module to compute the system frequency + * (when HSE is used as system clock source, directly or through the PLL). + */ +#if !defined (HSE_VALUE) + #define HSE_VALUE ((uint32_t)8000000) /*!< Value of the External oscillator in Hz */ +#endif /* HSE_VALUE */ + +#if !defined (HSE_STARTUP_TIMEOUT) + #define HSE_STARTUP_TIMEOUT ((uint32_t)200) /*!< Time out for HSE start up, in ms */ +#endif /* HSE_STARTUP_TIMEOUT */ + +/** + * @brief Internal Multiple Speed oscillator (MSI) default value. + * This value is the default MSI range value after Reset. + */ +#if !defined (MSI_VALUE) + #define MSI_VALUE ((uint32_t)2000000) /*!< Value of the Internal oscillator in Hz*/ +#endif /* MSI_VALUE */ +/** + * @brief Internal High Speed oscillator (HSI) value. + * This value is used by the RCC HAL module to compute the system frequency + * (when HSI is used as system clock source, directly or through the PLL). + */ +#if !defined (HSI_VALUE) + #define HSI_VALUE ((uint32_t)16000000) /*!< Value of the Internal oscillator in Hz*/ +#endif /* HSI_VALUE */ + +/** + * @brief Internal High Speed oscillator for USB (HSI48) value. + */ +#if !defined (HSI48_VALUE) +#define HSI48_VALUE ((uint32_t)48000000) /*!< Value of the Internal High Speed oscillator for USB in Hz. + The real value may vary depending on the variations + in voltage and temperature. */ +#endif /* HSI48_VALUE */ + +/** + * @brief Internal Low Speed oscillator (LSI) value. + */ +#if !defined (LSI_VALUE) + #define LSI_VALUE ((uint32_t)37000) /*!< LSI Typical Value in Hz*/ +#endif /* LSI_VALUE */ /*!< Value of the Internal Low Speed oscillator in Hz + The real value may vary depending on the variations + in voltage and temperature.*/ +/** + * @brief External Low Speed oscillator (LSE) value. + * This value is used by the UART, RTC HAL module to compute the system frequency + */ +#if !defined (LSE_VALUE) + #define LSE_VALUE ((uint32_t)32768) /*!< Value of the External oscillator in Hz*/ +#endif /* LSE_VALUE */ + + +#if !defined (LSE_STARTUP_TIMEOUT) + #define LSE_STARTUP_TIMEOUT ((uint32_t)5000) /*!< Time out for LSE start up, in ms */ +#endif /* HSE_STARTUP_TIMEOUT */ + + +/* Tip: To avoid modifying this file each time you need to use different HSE, + === you can define the HSE value in your toolchain compiler preprocessor. */ + +/* ########################### System Configuration ######################### */ +/** + * @brief This is the HAL system configuration section + */ +#define VDD_VALUE ((uint32_t)3300) /*!< Value of VDD in mv */ +#define TICK_INT_PRIORITY (((uint32_t)1<<__NVIC_PRIO_BITS) - 1) /*!< tick interrupt priority */ +#define USE_RTOS 0 +#define PREFETCH_ENABLE 1 +#define PREREAD_ENABLE 0 +#define BUFFER_CACHE_DISABLE 0 + +/* ########################## Assert Selection ############################## */ +/** + * @brief Uncomment the line below to expanse the "assert_param" macro in the + * HAL drivers code + */ +/* #define USE_FULL_ASSERT 1 */ + +/* Includes ------------------------------------------------------------------*/ +/** + * @brief Include module's header file + */ + +#ifdef HAL_RCC_MODULE_ENABLED + #include "stm32l0xx_hal_rcc.h" +#endif /* HAL_RCC_MODULE_ENABLED */ + +#ifdef HAL_GPIO_MODULE_ENABLED + #include "stm32l0xx_hal_gpio.h" +#endif /* HAL_GPIO_MODULE_ENABLED */ + +#ifdef HAL_DMA_MODULE_ENABLED + #include "stm32l0xx_hal_dma.h" +#endif /* HAL_DMA_MODULE_ENABLED */ + +#ifdef HAL_CORTEX_MODULE_ENABLED + #include "stm32l0xx_hal_cortex.h" +#endif /* HAL_CORTEX_MODULE_ENABLED */ + +#ifdef HAL_ADC_MODULE_ENABLED + #include "stm32l0xx_hal_adc.h" +#endif /* HAL_ADC_MODULE_ENABLED */ + +#ifdef HAL_COMP_MODULE_ENABLED + #include "stm32l0xx_hal_comp.h" +#endif /* HAL_COMP_MODULE_ENABLED */ + +#ifdef HAL_CRC_MODULE_ENABLED + #include "stm32l0xx_hal_crc.h" +#endif /* HAL_CRC_MODULE_ENABLED */ + +#ifdef HAL_CRYP_MODULE_ENABLED + #include "stm32l0xx_hal_cryp.h" +#endif /* HAL_CRYP_MODULE_ENABLED */ + +#ifdef HAL_DAC_MODULE_ENABLED + #include "stm32l0xx_hal_dac.h" +#endif /* HAL_DAC_MODULE_ENABLED */ + +#ifdef HAL_FIREWALL_MODULE_ENABLED + #include "stm32l0xx_hal_firewall.h" +#endif /* HAL_FIREWALL_MODULE_ENABLED */ + +#ifdef HAL_FLASH_MODULE_ENABLED + #include "stm32l0xx_hal_flash.h" +#endif /* HAL_FLASH_MODULE_ENABLED */ + +#ifdef HAL_I2C_MODULE_ENABLED + #include "stm32l0xx_hal_i2c.h" +#endif /* HAL_I2C_MODULE_ENABLED */ + +#ifdef HAL_I2S_MODULE_ENABLED + #include "stm32l0xx_hal_i2s.h" +#endif /* HAL_I2S_MODULE_ENABLED */ + +#ifdef HAL_IWDG_MODULE_ENABLED + #include "stm32l0xx_hal_iwdg.h" +#endif /* HAL_IWDG_MODULE_ENABLED */ + +#ifdef HAL_LCD_MODULE_ENABLED + #include "stm32l0xx_hal_lcd.h" +#endif /* HAL_LCD_MODULE_ENABLED */ + +#ifdef HAL_LPTIM_MODULE_ENABLED +#include "stm32l0xx_hal_lptim.h" +#endif /* HAL_LPTIM_MODULE_ENABLED */ + +#ifdef HAL_PWR_MODULE_ENABLED + #include "stm32l0xx_hal_pwr.h" +#endif /* HAL_PWR_MODULE_ENABLED */ + +#ifdef HAL_RNG_MODULE_ENABLED + #include "stm32l0xx_hal_rng.h" +#endif /* HAL_RNG_MODULE_ENABLED */ + +#ifdef HAL_RTC_MODULE_ENABLED + #include "stm32l0xx_hal_rtc.h" +#endif /* HAL_RTC_MODULE_ENABLED */ + +#ifdef HAL_SPI_MODULE_ENABLED + #include "stm32l0xx_hal_spi.h" +#endif /* HAL_SPI_MODULE_ENABLED */ + +#ifdef HAL_TIM_MODULE_ENABLED + #include "stm32l0xx_hal_tim.h" +#endif /* HAL_TIM_MODULE_ENABLED */ + +#ifdef HAL_TSC_MODULE_ENABLED + #include "stm32l0xx_hal_tsc.h" +#endif /* HAL_TSC_MODULE_ENABLED */ + +#ifdef HAL_UART_MODULE_ENABLED + #include "stm32l0xx_hal_uart.h" +#endif /* HAL_UART_MODULE_ENABLED */ + +#ifdef HAL_USART_MODULE_ENABLED + #include "stm32l0xx_hal_usart.h" +#endif /* HAL_USART_MODULE_ENABLED */ + +#ifdef HAL_IRDA_MODULE_ENABLED + #include "stm32l0xx_hal_irda.h" +#endif /* HAL_IRDA_MODULE_ENABLED */ + +#ifdef HAL_SMARTCARD_MODULE_ENABLED + #include "stm32l0xx_hal_smartcard.h" +#endif /* HAL_SMARTCARD_MODULE_ENABLED */ + +#ifdef HAL_SMBUS_MODULE_ENABLED + #include "stm32l0xx_hal_smbus.h" +#endif /* HAL_SMBUS_MODULE_ENABLED */ + +#ifdef HAL_WWDG_MODULE_ENABLED + #include "stm32l0xx_hal_wwdg.h" +#endif /* HAL_WWDG_MODULE_ENABLED */ + +#ifdef HAL_PCD_MODULE_ENABLED + #include "stm32l0xx_hal_pcd.h" +#endif /* HAL_PCD_MODULE_ENABLED */ + +/* Exported macro ------------------------------------------------------------*/ +#ifdef USE_FULL_ASSERT +/** + * @brief The assert_param macro is used for function's parameters check. + * @param expr: If expr is false, it calls assert_failed function + * which reports the name of the source file and the source + * line number of the call that failed. + * If expr is true, it returns no value. + * @retval None + */ + #define assert_param(expr) ((expr) ? (void)0 : assert_failed((uint8_t *)__FILE__, __LINE__)) +/* Exported functions ------------------------------------------------------- */ + void assert_failed(uint8_t* file, uint32_t line); +#else + #define assert_param(expr) ((void)0) +#endif /* USE_FULL_ASSERT */ + +#ifdef __cplusplus +} +#endif + +#endif /* __STM32L0xx_HAL_CONF_H */ + + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/system_stm32l0xx.c b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/system_stm32l0xx.c new file mode 100644 index 0000000000..c45e6f07d3 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/system_stm32l0xx.c @@ -0,0 +1,534 @@ +/** + ****************************************************************************** + * @file system_stm32l0xx.c + * @author MCD Application Team + * @version V1.5.0 + * @date 8-January-2016 + * @brief CMSIS Cortex-M0+ Device Peripheral Access Layer System Source File. + * + * This file provides two functions and one global variable to be called from + * user application: + * - SystemInit(): This function is called at startup just after reset and + * before branch to main program. This call is made inside + * the "startup_stm32l0xx.s" file. + * + * - SystemCoreClock variable: Contains the core clock (HCLK), it can be used + * by the user application to setup the SysTick + * timer or configure other parameters. + * + * - SystemCoreClockUpdate(): Updates the variable SystemCoreClock and must + * be called whenever the core clock is changed + * during program execution. + * + * This file configures the system clock as follows: + *----------------------------------------------------------------------------- + * System clock source | 1- PLL_HSE_EXTC | 3- PLL_HSI + * | (external 8 MHz clock) | (internal 16 MHz) + * | 2- PLL_HSE_XTAL | + * | (external 8 MHz xtal) | + *----------------------------------------------------------------------------- + * SYSCLK(MHz) | 32 | 32 + *----------------------------------------------------------------------------- + * AHBCLK (MHz) | 32 | 32 + *----------------------------------------------------------------------------- + * APB1CLK (MHz) | 32 | 32 + *----------------------------------------------------------------------------- + * APB2CLK (MHz) | 32 | 32 + *----------------------------------------------------------------------------- + * USB capable (48 MHz precise clock) | YES | YES + *----------------------------------------------------------------------------- + ****************************************************************************** + * @attention + * + *

© COPYRIGHT(c) 2016 STMicroelectronics

+ * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + +/** @addtogroup CMSIS + * @{ + */ + +/** @addtogroup stm32l0xx_system + * @{ + */ + +/** @addtogroup STM32L0xx_System_Private_Includes + * @{ + */ + +#include "stm32l0xx.h" +#include "hal_tick.h" + +#if !defined (HSE_VALUE) + #define HSE_VALUE ((uint32_t)8000000) /*!< Value of the External oscillator in Hz */ +#endif /* HSE_VALUE */ + +#if !defined (MSI_VALUE) + #define MSI_VALUE ((uint32_t)2000000) /*!< Value of the Internal oscillator in Hz*/ +#endif /* MSI_VALUE */ + +#if !defined (HSI_VALUE) + #define HSI_VALUE ((uint32_t)16000000) /*!< Value of the Internal oscillator in Hz*/ +#endif /* HSI_VALUE */ + + +/** + * @} + */ + +/** @addtogroup STM32L0xx_System_Private_TypesDefinitions + * @{ + */ + +/** + * @} + */ + +/** @addtogroup STM32L0xx_System_Private_Defines + * @{ + */ +/************************* Miscellaneous Configuration ************************/ + +/*!< Uncomment the following line if you need to relocate your vector Table in + Internal SRAM. */ +/* #define VECT_TAB_SRAM */ +#define VECT_TAB_OFFSET 0x00 /*!< Vector Table base offset field. + This value must be a multiple of 0x200. */ +/******************************************************************************/ +/** + * @} + */ + +/** @addtogroup STM32L0xx_System_Private_Macros + * @{ + */ + +/* Select the clock sources (other than HSI) to start with (0=OFF, 1=ON) */ +#define USE_PLL_HSE_EXTC (0) /* Use external clock */ +#define USE_PLL_HSE_XTAL (0) /* Use external xtal */ +#define USE_MSI_OSC (0) /* Use multi-speed internal RC oscillator */ + +/** + * @} + */ + +/** @addtogroup STM32L0xx_System_Private_Variables + * @{ + */ + /* This variable is updated in three ways: + 1) by calling CMSIS function SystemCoreClockUpdate() + 2) by calling HAL API function HAL_RCC_GetHCLKFreq() + 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency + Note: If you use this function to configure the system clock; then there + is no need to call the 2 first functions listed above, since SystemCoreClock + variable is updated automatically. + */ +uint32_t SystemCoreClock = 32000000; +const uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9}; +const uint8_t PLLMulTable[9] = {3, 4, 6, 8, 12, 16, 24, 32, 48}; + +/** + * @} + */ + +/** @addtogroup STM32L0xx_System_Private_FunctionPrototypes + * @{ + */ + +#if (USE_PLL_HSE_XTAL != 0) || (USE_PLL_HSE_EXTC != 0) +uint8_t SetSysClock_PLL_HSE(uint8_t bypass); +#endif + +uint8_t SetSysClock_PLL_HSI(void); +uint8_t SetSysClock_MSI(void); + +/** + * @} + */ + +/** @addtogroup STM32L0xx_System_Private_Functions + * @{ + */ + +/** + * @brief Setup the microcontroller system. + * @param None + * @retval None + */ +void SystemInit (void) +{ +/*!< Set MSION bit */ + RCC->CR |= (uint32_t)0x00000100; + + /*!< Reset SW[1:0], HPRE[3:0], PPRE1[2:0], PPRE2[2:0], MCOSEL[2:0] and MCOPRE[2:0] bits */ + RCC->CFGR &= (uint32_t) 0x88FF400C; + + /*!< Reset HSION, HSIDIVEN, HSEON, CSSON and PLLON bits */ + RCC->CR &= (uint32_t)0xFEF6FFF6; + + /*!< Reset HSI48ON bit */ + RCC->CRRCR &= (uint32_t)0xFFFFFFFE; + + /*!< Reset HSEBYP bit */ + RCC->CR &= (uint32_t)0xFFFBFFFF; + + /*!< Reset PLLSRC, PLLMUL[3:0] and PLLDIV[1:0] bits */ + RCC->CFGR &= (uint32_t)0xFF02FFFF; + + /*!< Disable all interrupts */ + RCC->CIER = 0x00000000; + + /* Configure the Vector Table location add offset address ------------------*/ +#ifdef VECT_TAB_SRAM + SCB->VTOR = SRAM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM */ +#else + SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */ +#endif + + /* Configure the Cube driver */ + SystemCoreClock = 8000000; // At this stage the HSI is used as system clock + HAL_Init(); + + /* Configure the System clock source, PLL Multiplier and Divider factors, + AHB/APBx prescalers and Flash settings */ + SetSysClock(); + + /* Reset the timer to avoid issues after the RAM initialization */ + TIM_MST_RESET_ON; + TIM_MST_RESET_OFF; +} + +/** + * @brief Update SystemCoreClock according to Clock Register Values + * The SystemCoreClock variable contains the core clock (HCLK), it can + * be used by the user application to setup the SysTick timer or configure + * other parameters. + * + * @note Each time the core clock (HCLK) changes, this function must be called + * to update SystemCoreClock variable value. Otherwise, any configuration + * based on this variable will be incorrect. + * + * @note - The system frequency computed by this function is not the real + * frequency in the chip. It is calculated based on the predefined + * constant and the selected clock source: + * + * - If SYSCLK source is MSI, SystemCoreClock will contain the MSI + * value as defined by the MSI range. + * + * - If SYSCLK source is HSI, SystemCoreClock will contain the HSI_VALUE(*) + * + * - If SYSCLK source is HSE, SystemCoreClock will contain the HSE_VALUE(**) + * + * - If SYSCLK source is PLL, SystemCoreClock will contain the HSE_VALUE(**) + * or HSI_VALUE(*) multiplied/divided by the PLL factors. + * + * (*) HSI_VALUE is a constant defined in stm32l0xx_hal.h file (default value + * 16 MHz) but the real value may vary depending on the variations + * in voltage and temperature. + * + * (**) HSE_VALUE is a constant defined in stm32l0xx_hal.h file (default value + * 8 MHz), user has to ensure that HSE_VALUE is same as the real + * frequency of the crystal used. Otherwise, this function may + * have wrong result. + * + * - The result of this function could be not correct when using fractional + * value for HSE crystal. + * @param None + * @retval None + */ +void SystemCoreClockUpdate (void) +{ + uint32_t tmp = 0, pllmul = 0, plldiv = 0, pllsource = 0, msirange = 0; + + /* Get SYSCLK source -------------------------------------------------------*/ + tmp = RCC->CFGR & RCC_CFGR_SWS; + + switch (tmp) + { + case 0x00: /* MSI used as system clock */ + msirange = (RCC->ICSCR & RCC_ICSCR_MSIRANGE) >> 13; + SystemCoreClock = (32768 * (1 << (msirange + 1))); + break; + case 0x04: /* HSI used as system clock */ + SystemCoreClock = HSI_VALUE; + break; + case 0x08: /* HSE used as system clock */ + SystemCoreClock = HSE_VALUE; + break; + case 0x0C: /* PLL used as system clock */ + /* Get PLL clock source and multiplication factor ----------------------*/ + pllmul = RCC->CFGR & RCC_CFGR_PLLMUL; + plldiv = RCC->CFGR & RCC_CFGR_PLLDIV; + pllmul = PLLMulTable[(pllmul >> 18)]; + plldiv = (plldiv >> 22) + 1; + + pllsource = RCC->CFGR & RCC_CFGR_PLLSRC; + + if (pllsource == 0x00) + { + /* HSI oscillator clock selected as PLL clock entry */ + SystemCoreClock = (((HSI_VALUE) * pllmul) / plldiv); + } + else + { + /* HSE selected as PLL clock entry */ + SystemCoreClock = (((HSE_VALUE) * pllmul) / plldiv); + } + break; + default: /* MSI used as system clock */ + msirange = (RCC->ICSCR & RCC_ICSCR_MSIRANGE) >> 13; + SystemCoreClock = (32768 * (1 << (msirange + 1))); + break; + } + /* Compute HCLK clock frequency --------------------------------------------*/ + /* Get HCLK prescaler */ + tmp = AHBPrescTable[((RCC->CFGR & RCC_CFGR_HPRE) >> 4)]; + /* HCLK clock frequency */ + SystemCoreClock >>= tmp; +} + +/** + * @brief Configures the System clock source, PLL Multiplier and Divider factors, + * AHB/APBx prescalers and Flash settings + * @note This function should be called only once the RCC clock configuration + * is reset to the default reset state (done in SystemInit() function). + * @param None + * @retval None + */ +void SetSysClock(void) +{ + /* 1- Try to start with HSE and external clock */ +#if USE_PLL_HSE_EXTC != 0 + if (SetSysClock_PLL_HSE(1) == 0) +#endif + { + /* 2- If fail try to start with HSE and external xtal */ + #if USE_PLL_HSE_XTAL != 0 + if (SetSysClock_PLL_HSE(0) == 0) + #endif + { + /* 3- If fail try to start with MSI */ + #if USE_MSI_OSC != 0 + if (SetSysClock_MSI() == 0) + #endif + { + /* 4- If fail start with HSI clock */ + if (SetSysClock_PLL_HSI() == 0) + { + while(1) + { + // [TODO] Put something here to tell the user that a problem occured... + } + } + } + } + } + + /* Output clock on MCO1 pin(PA8) for debugging purpose */ + //HAL_RCC_MCOConfig(RCC_MCO1, RCC_MCO1SOURCE_SYSCLK, RCC_MCODIV_1); + //HAL_RCC_MCOConfig(RCC_MCO1, RCC_MCO1SOURCE_HSI48, RCC_MCODIV_1); +} + +#if (USE_PLL_HSE_XTAL != 0) || (USE_PLL_HSE_EXTC != 0) +/******************************************************************************/ +/* PLL (clocked by HSE) used as System clock source */ +/******************************************************************************/ +uint8_t SetSysClock_PLL_HSE(uint8_t bypass) +{ + RCC_ClkInitTypeDef RCC_ClkInitStruct; + RCC_OscInitTypeDef RCC_OscInitStruct; + + /* Used to gain time after DeepSleep in case HSI is used */ + if (__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) != RESET) + { + return 0; + } + + /* The voltage scaling allows optimizing the power consumption when the device is + clocked below the maximum system frequency, to update the voltage scaling value + regarding system frequency refer to product datasheet. */ + __PWR_CLK_ENABLE(); + __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1); + + /* Enable HSE and HSI48 oscillators and activate PLL with HSE as source */ + RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE | RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_HSI48; + if (bypass == 0) + { + RCC_OscInitStruct.HSEState = RCC_HSE_ON; /* External 8 MHz xtal on OSC_IN/OSC_OUT */ + } + else + { + RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS; /* External 8 MHz clock on OSC_IN */ + } + RCC_OscInitStruct.HSIState = RCC_HSI_OFF; +#if !defined (STM32L031xx) && !defined (STM32L041xx) && !defined(STM32L051xx) && !defined(STM32L061xx) && !defined(STM32L071xx) && !defined(STM32L081xx) && \ + !defined (STM32L011xx) && !defined (STM32L021xx) + RCC_OscInitStruct.HSI48State = RCC_HSI48_ON; /* For USB and RNG clock */ +#endif + // PLLCLK = (8 MHz * 8)/2 = 32 MHz + RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; + RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; + RCC_OscInitStruct.PLL.PLLMUL = RCC_PLLMUL_8; + RCC_OscInitStruct.PLL.PLLDIV = RCC_PLLDIV_2; + if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) + { + return 0; // FAIL + } + + /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 clocks dividers */ + RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2); + RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; // 32 MHz + RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; // 32 MHz + RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; // 32 MHz + RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; // 32 MHz + if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK) + { + return 0; // FAIL + } + + /* Output clock on MCO1 pin(PA8) for debugging purpose */ + //if (bypass == 0) + // HAL_RCC_MCOConfig(RCC_MCO1, RCC_MCO1SOURCE_HSE, RCC_MCODIV_2); // 4 MHz + //else + // HAL_RCC_MCOConfig(RCC_MCO1, RCC_MCO1SOURCE_HSE, RCC_MCODIV_1); // 8 MHz + + return 1; // OK +} +#endif + +/******************************************************************************/ +/* PLL (clocked by HSI) used as System clock source */ +/******************************************************************************/ +uint8_t SetSysClock_PLL_HSI(void) +{ + RCC_ClkInitTypeDef RCC_ClkInitStruct; + RCC_OscInitTypeDef RCC_OscInitStruct; + + /* The voltage scaling allows optimizing the power consumption when the device is + clocked below the maximum system frequency, to update the voltage scaling value + regarding system frequency refer to product datasheet. */ + __PWR_CLK_ENABLE(); + __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1); + + /* Enable HSI and HSI48 oscillators and activate PLL with HSI as source */ + RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_HSE | RCC_OSCILLATORTYPE_HSI48; + RCC_OscInitStruct.HSEState = RCC_HSE_OFF; + RCC_OscInitStruct.HSIState = RCC_HSI_ON; + RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT; +#if !defined (STM32L031xx) && !defined (STM32L041xx) && !defined(STM32L051xx) && !defined(STM32L061xx) && !defined(STM32L071xx) && !defined(STM32L081xx) && \ + !defined (STM32L011xx) && !defined (STM32L021xx) + RCC_OscInitStruct.HSI48State = RCC_HSI48_ON; /* For USB and RNG clock */ +#endif + // PLLCLK = (16 MHz * 4)/2 = 32 MHz + RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; + RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI; + RCC_OscInitStruct.PLL.PLLMUL = RCC_PLLMUL_4; + RCC_OscInitStruct.PLL.PLLDIV = RCC_PLLDIV_2; + if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) + { + return 0; // FAIL + } + + /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 clocks dividers */ + RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2); + RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; // 32 MHz + RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; // 32 MHz + RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; // 32 MHz + RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; // 32 MHz + if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK) + { + return 0; // FAIL + } + + /* Output clock on MCO1 pin(PA8) for debugging purpose */ + //HAL_RCC_MCOConfig(RCC_MCO1, RCC_MCO1SOURCE_HSI, RCC_MCODIV_1); // 16 MHz + + return 1; // OK +} + +/******************************************************************************/ +/* MSI (4Mhz) used as System clock source */ +/******************************************************************************/ +uint8_t SetSysClock_MSI(void) +{ + RCC_ClkInitTypeDef RCC_ClkInitStruct; + RCC_OscInitTypeDef RCC_OscInitStruct; + + /* Enable MSI Oscillator */ + RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI; + RCC_OscInitStruct.MSIState = RCC_MSI_ON; + RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6; + RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT; + RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; + if (HAL_RCC_OscConfig(&RCC_OscInitStruct)!= HAL_OK) + { + /* Initialization Error */ + return 0; + } + + /* Select MSI as system clock source and configure the HCLK, PCLK1 and PCLK2 + clocks dividers */ + RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2); + RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_MSI; // 4 MHz + RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; // 4 MHz + RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; // 4 MHz + RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; // 4 MHz + if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0)!= HAL_OK) + { + /* Initialization Error */ + return 0; + } + + /* Enable Power Control clock */ + __HAL_RCC_PWR_CLK_ENABLE(); + + /* The voltage scaling allows optimizing the power consumption when the device is + clocked below the maximum system frequency, to update the voltage scaling value + regarding system frequency refer to product datasheet. */ + __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE3); + + /* Disable Power Control clock */ + __HAL_RCC_PWR_CLK_DISABLE(); + + /* Output clock on MCO1 pin(PA8) for debugging purpose */ + //HAL_RCC_MCOConfig(RCC_MCO1, RCC_MCO1SOURCE_HSI, RCC_MCODIV_1); // 16 MHz + + return 1; // OK +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/system_stm32l0xx.h b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/system_stm32l0xx.h new file mode 100644 index 0000000000..4a82de7134 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L031K6/system_stm32l0xx.h @@ -0,0 +1,123 @@ +/** + ****************************************************************************** + * @file system_stm32l0xx.h + * @author MCD Application Team + * @version V1.5.0 + * @date 8-January-2016 + * @brief CMSIS Cortex-M0+ Device Peripheral Access Layer System Header File. + ****************************************************************************** + * @attention + * + *

© COPYRIGHT(c) 2016 STMicroelectronics

+ * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + +/** @addtogroup CMSIS + * @{ + */ + +/** @addtogroup stm32l0xx_system + * @{ + */ + +/** + * @brief Define to prevent recursive inclusion + */ +#ifndef __SYSTEM_STM32L0XX_H +#define __SYSTEM_STM32L0XX_H + +#ifdef __cplusplus + extern "C" { +#endif + +/** @addtogroup STM32L0xx_System_Includes + * @{ + */ + +/** + * @} + */ + + +/** @addtogroup STM32L0xx_System_Exported_types + * @{ + */ + /* This variable is updated in three ways: + 1) by calling CMSIS function SystemCoreClockUpdate() + 2) by calling HAL API function HAL_RCC_GetSysClockFreq() + 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency + Note: If you use this function to configure the system clock; then there + is no need to call the 2 first functions listed above, since SystemCoreClock + variable is updated automatically. + */ +extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */ + +/** + * @} + */ + +/** @addtogroup STM32L0xx_System_Exported_Constants + * @{ + */ + +/** + * @} + */ + +/** @addtogroup STM32L0xx_System_Exported_Macros + * @{ + */ + +/** + * @} + */ + +/** @addtogroup STM32L0xx_System_Exported_Functions + * @{ + */ + +extern void SystemInit(void); +extern void SystemCoreClockUpdate(void); +extern void SetSysClock(void); + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /*__SYSTEM_STM32L0XX_H */ + +/** + * @} + */ + +/** + * @} + */ +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/