mirror of https://github.com/ARMmbed/mbed-os.git
[LPC1549] initial commit
parent
281fcc76b6
commit
e06e842221
File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,12 @@
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LR_IROM1 0x00000000 0x40000 { ; load region size_region (256k)
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ER_IROM1 0x00000000 0x40000 { ; load address = execution address
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*.o (RESET, +First)
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*(InRoot$$Sections)
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.ANY (+RO)
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}
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; 8_byte_aligned(16+47 vect * 4 bytes) = 0x100
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; 36kB(0x9000) - 0x100 = 0x8F00
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RW_IRAM1 (0x02000000+0x100) (0x9000-0x100) {
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.ANY (+RW +ZI)
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}
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;/**************************************************************************//**
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; * @file startup_LPC15xx.s
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; * @brief CMSIS Cortex-M3 Core Device Startup File for
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; * NXP LPC15xx Device Series
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; * @version V1.00
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; * @date 17. July 2013
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; *
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; * @note
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; * Copyright (C) 2009-2013 ARM Limited. All rights reserved.
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; *
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; * @par
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; * ARM Limited (ARM) is supplying this software for use with Cortex-M
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; * processor based microcontrollers. This file can be freely distributed
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; * within development tools that are supporting such ARM based processors.
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; *
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; * @par
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; * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
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; * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
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; * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
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; * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
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; * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
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; *
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; ******************************************************************************/
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; *------- <<< Use Configuration Wizard in Context Menu >>> ------------------
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; <h> Stack Configuration
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; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
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; </h>
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Stack_Size EQU 0x00000200
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AREA STACK, NOINIT, READWRITE, ALIGN=3
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Stack_Mem SPACE Stack_Size
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__initial_sp
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; <h> Heap Configuration
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; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
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; </h>
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Heap_Size EQU 0x00000000
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AREA HEAP, NOINIT, READWRITE, ALIGN=3
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__heap_base
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Heap_Mem SPACE Heap_Size
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__heap_limit
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PRESERVE8
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THUMB
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; Vector Table Mapped to Address 0 at Reset
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AREA RESET, DATA, READONLY
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EXPORT __Vectors
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__Vectors DCD __initial_sp ; Top of Stack
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DCD Reset_Handler ; Reset Handler
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DCD NMI_Handler ; NMI Handler
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DCD HardFault_Handler ; Hard Fault Handler
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DCD MemManage_Handler ; MPU Fault Handler
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DCD BusFault_Handler ; Bus Fault Handler
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DCD UsageFault_Handler ; Usage Fault Handler
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DCD 0 ; Reserved
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DCD 0 ; Reserved
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DCD 0 ; Reserved
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DCD 0 ; Reserved
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DCD SVC_Handler ; SVCall Handler
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DCD DebugMon_Handler ; Debug Monitor Handler
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DCD 0 ; Reserved
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DCD PendSV_Handler ; PendSV Handler
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DCD SysTick_Handler ; SysTick Handler
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; External Interrupts
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DCD WDT_IRQHandler ; 16+ 0 Windowed watchdog timer interrupt
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DCD BOD_IRQHandler ; 16+ 1 BOD interrupt
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DCD FLASH_IRQHandler ; 16+ 2 Flash controller interrupt
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DCD EE_IRQHandler ; 16+ 3 EEPROM controller interrupt
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DCD DMA_IRQHandler ; 16+ 4 DMA interrupt
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DCD GINT0_IRQHandler ; 16+ 5 GPIO group0 interrupt
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DCD GINT1_IRQHandler ; 16+ 6 GPIO group1 interrupt
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DCD PIN_INT0_IRQHandler ; 16+ 7 Pin interrupt 0 or pattern match engine slice 0 interrupt
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DCD PIN_INT1_IRQHandler ; 16+ 8 Pin interrupt 1 or pattern match engine slice 1 interrupt
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DCD PIN_INT2_IRQHandler ; 16+ 9 Pin interrupt 2 or pattern match engine slice 2 interrupt
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DCD PIN_INT3_IRQHandler ; 16+10 Pin interrupt 3 or pattern match engine slice 3 interrupt
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DCD PIN_INT4_IRQHandler ; 16+11 Pin interrupt 4 or pattern match engine slice 4 interrupt
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DCD PIN_INT5_IRQHandler ; 16+12 Pin interrupt 5 or pattern match engine slice 5 interrupt
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DCD PIN_INT6_IRQHandler ; 16+13 Pin interrupt 6 or pattern match engine slice 6 interrupt
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DCD PIN_INT7_IRQHandler ; 16+14 Pin interrupt 7 or pattern match engine slice 7 interrupt
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DCD RIT_IRQHandler ; 16+15 RIT interrupt
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DCD SCT0_IRQHandler ; 16+16 State configurable timer interrupt
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DCD SCT1_IRQHandler ; 16+17 State configurable timer interrupt
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DCD SCT2_IRQHandler ; 16+18 State configurable timer interrupt
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DCD SCT3_IRQHandler ; 16+19 State configurable timer interrupt
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DCD MRT_IRQHandler ; 16+20 Multi-rate timer interrupt
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DCD UART0_IRQHandler ; 16+21 USART0 interrupt
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DCD UART1_IRQHandler ; 16+22 USART1 interrupt
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DCD UART2_IRQHandler ; 16+23 USART2 interrupt
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DCD I2C0_IRQHandler ; 16+24 I2C0 interrupt
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DCD SPI0_IRQHandler ; 16+25 SPI0 interrupt
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DCD SPI1_IRQHandler ; 16+26 SPI1 interrupt
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DCD C_CAN0_IRQHandler ; 16+27 C_CAN0 interrupt
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DCD USB_IRQ_IRQHandler ; 16+28 USB interrupt
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DCD USB_FIQ_IRQHandler ; 16+29 USB interrupt
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DCD USBWAKEUP_IRQHandler ; 16+30 USB wake-up interrupt
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DCD ADC0_SEQA_IRQHandler ; 16+31 ADC0 sequence A completion.
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DCD ADC0_SEQB_IRQHandler ; 16+32 ADC0 sequence B completion.
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DCD ADC0_THCMP_IRQHandler ; 16+33 ADC0 threshold compare
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DCD ADC0_OVR_IRQHandler ; 16+34 ADC0 overrun
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DCD ADC1_SEQA_IRQHandler ; 16+35 ADC1 sequence A completion.
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DCD ADC1_SEQB_IRQHandler ; 16+36 ADC1 sequence B completion.
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DCD ADC1_THCMP_IRQHandler ; 16+37 ADC1 threshold compare
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DCD ADC1_OVR_IRQHandler ; 16+38 ADC1 overrun
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DCD DAC_IRQHandler ; 16+39 DAC interrupt
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DCD CMP0_IRQHandler ; 16+40 Analog comparator 0 interrupt (ACMP0)
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DCD CMP1_IRQHandler ; 16+41 Analog comparator 1 interrupt (ACMP1)
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DCD CMP2_IRQHandler ; 16+42 Analog comparator 2 interrupt (ACMP2)
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DCD CMP3_IRQHandler ; 16+43 Analog comparator 3 interrupt (ACMP3)
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DCD QEI_IRQHandler ; 16+44 QEI interrupt
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DCD RTC_ALARM_IRQHandler ; 16+45 RTC alarm interrupt
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DCD RTC_WAKE_IRQHandler ; 16+46 RTC wake-up interrut
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; <h> Code Read Protection
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; <o> Code Read Protection <0xFFFFFFFF=>CRP Disabled
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; <0x12345678=>CRP Level 1
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; <0x87654321=>CRP Level 2
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; <0x43218765=>CRP Level 3 (ARE YOU SURE?)
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; <0x4E697370=>NO ISP (ARE YOU SURE?)
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; </h>
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IF :LNOT::DEF:NO_CRP
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AREA |.ARM.__at_0x02FC|, CODE, READONLY
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DCD 0xFFFFFFFF
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ENDIF
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AREA |.text|, CODE, READONLY
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; Reset Handler
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Reset_Handler PROC
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EXPORT Reset_Handler [WEAK]
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IMPORT SystemInit
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IMPORT __main
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;--- enable SRAM1 and SRAM2 memory
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LDR R0, =0x400740C4 ; SYSAHBCLKCTRL0 register addr
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LDR R2, [R0] ; read SYSAHBCLKCTRL0
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ORR R2, R2, #0x18 ; enable SRAM1, SRAM2
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STR R2, [R0] ; store SYSAHBCLKCTRL0
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;---
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LDR R0, =SystemInit
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BLX R0
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LDR R0, =__main
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BX R0
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ENDP
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; Dummy Exception Handlers (infinite loops which can be modified)
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NMI_Handler PROC
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EXPORT NMI_Handler [WEAK]
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B .
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ENDP
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HardFault_Handler\
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PROC
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EXPORT HardFault_Handler [WEAK]
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B .
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ENDP
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MemManage_Handler\
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PROC
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EXPORT MemManage_Handler [WEAK]
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B .
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ENDP
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BusFault_Handler\
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PROC
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EXPORT BusFault_Handler [WEAK]
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B .
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ENDP
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UsageFault_Handler\
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PROC
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EXPORT UsageFault_Handler [WEAK]
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B .
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ENDP
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SVC_Handler PROC
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EXPORT SVC_Handler [WEAK]
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B .
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ENDP
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DebugMon_Handler\
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PROC
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EXPORT DebugMon_Handler [WEAK]
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B .
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ENDP
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PendSV_Handler PROC
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EXPORT PendSV_Handler [WEAK]
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B .
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ENDP
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SysTick_Handler PROC
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EXPORT SysTick_Handler [WEAK]
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B .
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ENDP
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Default_Handler PROC
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EXPORT WDT_IRQHandler [WEAK]
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EXPORT BOD_IRQHandler [WEAK]
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EXPORT FLASH_IRQHandler [WEAK]
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EXPORT EE_IRQHandler [WEAK]
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EXPORT DMA_IRQHandler [WEAK]
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EXPORT GINT0_IRQHandler [WEAK]
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EXPORT GINT1_IRQHandler [WEAK]
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EXPORT PIN_INT0_IRQHandler [WEAK]
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EXPORT PIN_INT1_IRQHandler [WEAK]
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EXPORT PIN_INT2_IRQHandler [WEAK]
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EXPORT PIN_INT3_IRQHandler [WEAK]
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EXPORT PIN_INT4_IRQHandler [WEAK]
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EXPORT PIN_INT5_IRQHandler [WEAK]
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EXPORT PIN_INT6_IRQHandler [WEAK]
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EXPORT PIN_INT7_IRQHandler [WEAK]
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EXPORT RIT_IRQHandler [WEAK]
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EXPORT SCT0_IRQHandler [WEAK]
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EXPORT SCT1_IRQHandler [WEAK]
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EXPORT SCT2_IRQHandler [WEAK]
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EXPORT SCT3_IRQHandler [WEAK]
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EXPORT MRT_IRQHandler [WEAK]
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EXPORT UART0_IRQHandler [WEAK]
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EXPORT UART1_IRQHandler [WEAK]
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EXPORT UART2_IRQHandler [WEAK]
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EXPORT I2C0_IRQHandler [WEAK]
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EXPORT SPI0_IRQHandler [WEAK]
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EXPORT SPI1_IRQHandler [WEAK]
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EXPORT C_CAN0_IRQHandler [WEAK]
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EXPORT USB_IRQ_IRQHandler [WEAK]
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EXPORT USB_FIQ_IRQHandler [WEAK]
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EXPORT USBWAKEUP_IRQHandler [WEAK]
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EXPORT ADC0_SEQA_IRQHandler [WEAK]
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EXPORT ADC0_SEQB_IRQHandler [WEAK]
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EXPORT ADC0_THCMP_IRQHandler [WEAK]
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EXPORT ADC0_OVR_IRQHandler [WEAK]
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EXPORT ADC1_SEQA_IRQHandler [WEAK]
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EXPORT ADC1_SEQB_IRQHandler [WEAK]
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EXPORT ADC1_THCMP_IRQHandler [WEAK]
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EXPORT ADC1_OVR_IRQHandler [WEAK]
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EXPORT DAC_IRQHandler [WEAK]
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EXPORT CMP0_IRQHandler [WEAK]
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EXPORT CMP1_IRQHandler [WEAK]
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EXPORT CMP2_IRQHandler [WEAK]
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EXPORT CMP3_IRQHandler [WEAK]
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EXPORT QEI_IRQHandler [WEAK]
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EXPORT RTC_ALARM_IRQHandler [WEAK]
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EXPORT RTC_WAKE_IRQHandler [WEAK]
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WDT_IRQHandler
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BOD_IRQHandler
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FLASH_IRQHandler
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EE_IRQHandler
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DMA_IRQHandler
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GINT0_IRQHandler
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GINT1_IRQHandler
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PIN_INT0_IRQHandler
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PIN_INT1_IRQHandler
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PIN_INT2_IRQHandler
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PIN_INT3_IRQHandler
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PIN_INT4_IRQHandler
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PIN_INT5_IRQHandler
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PIN_INT6_IRQHandler
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PIN_INT7_IRQHandler
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RIT_IRQHandler
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SCT0_IRQHandler
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SCT1_IRQHandler
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SCT2_IRQHandler
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SCT3_IRQHandler
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MRT_IRQHandler
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UART0_IRQHandler
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UART1_IRQHandler
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UART2_IRQHandler
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I2C0_IRQHandler
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SPI0_IRQHandler
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SPI1_IRQHandler
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C_CAN0_IRQHandler
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USB_IRQ_IRQHandler
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USB_FIQ_IRQHandler
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USBWAKEUP_IRQHandler
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ADC0_SEQA_IRQHandler
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ADC0_SEQB_IRQHandler
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ADC0_THCMP_IRQHandler
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ADC0_OVR_IRQHandler
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ADC1_SEQA_IRQHandler
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ADC1_SEQB_IRQHandler
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ADC1_THCMP_IRQHandler
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ADC1_OVR_IRQHandler
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DAC_IRQHandler
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CMP0_IRQHandler
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CMP1_IRQHandler
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CMP2_IRQHandler
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CMP3_IRQHandler
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QEI_IRQHandler
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RTC_ALARM_IRQHandler
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RTC_WAKE_IRQHandler
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B .
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ENDP
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ALIGN
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; User Initial Stack & Heap
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EXPORT __initial_sp
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EXPORT __heap_base
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EXPORT __heap_limit
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END
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@ -0,0 +1,31 @@
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/* mbed Microcontroller Library - stackheap
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* Copyright (C) 2009-2011 ARM Limited. All rights reserved.
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*
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* Setup a fixed single stack/heap memory model,
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* between the top of the RW/ZI region and the stackpointer
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <rt_misc.h>
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#include <stdint.h>
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extern char Image$$RW_IRAM1$$ZI$$Limit[];
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extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) {
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uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit;
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uint32_t sp_limit = __current_sp();
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zi_limit = (zi_limit + 7) & ~0x7; // ensure zi_limit is 8-byte aligned
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struct __initial_stackheap r;
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r.heap_base = zi_limit;
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r.heap_limit = sp_limit;
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return r;
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}
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#ifdef __cplusplus
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}
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#endif
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/* mbed Microcontroller Library - CMSIS
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* Copyright (C) 2009-2011 ARM Limited. All rights reserved.
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*
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* A generic CMSIS include header, pulling in LPC8xx specifics
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*/
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#ifndef MBED_CMSIS_H
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#define MBED_CMSIS_H
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#include "LPC15xx.h"
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#include "cmsis_nvic.h"
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#endif
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@ -0,0 +1,30 @@
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/* mbed Microcontroller Library - cmsis_nvic for LPC11U24
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* Copyright (c) 2011 ARM Limited. All rights reserved.
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*
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* CMSIS-style functionality to support dynamic vectors
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*/
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#include "cmsis_nvic.h"
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#define NVIC_RAM_VECTOR_ADDRESS (0x02000000) // Vectors positioned at start of RAM
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#define NVIC_FLASH_VECTOR_ADDRESS (0x0) // Initial vector position in flash
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void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) {
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uint32_t *vectors = (uint32_t*)SCB->VTOR;
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uint32_t i;
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// Copy and switch to dynamic vectors if the first time called
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if (SCB->VTOR == NVIC_FLASH_VECTOR_ADDRESS) {
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uint32_t *old_vectors = vectors;
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vectors = (uint32_t*)NVIC_RAM_VECTOR_ADDRESS;
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for (i=0; i<NVIC_NUM_VECTORS; i++) {
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vectors[i] = old_vectors[i];
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}
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SCB->VTOR = (uint32_t)NVIC_RAM_VECTOR_ADDRESS;
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}
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vectors[IRQn + 16] = vector;
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}
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uint32_t NVIC_GetVector(IRQn_Type IRQn) {
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uint32_t *vectors = (uint32_t*)SCB->VTOR;
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return vectors[IRQn + 16];
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}
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@ -0,0 +1,26 @@
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/* mbed Microcontroller Library - cmsis_nvic
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* Copyright (c) 2009-2011 ARM Limited. All rights reserved.
|
||||
*
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* CMSIS-style functionality to support dynamic vectors
|
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*/
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#ifndef MBED_CMSIS_NVIC_H
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#define MBED_CMSIS_NVIC_H
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#define NVIC_NUM_VECTORS (16 + 47) // CORE + MCU Peripherals
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#define NVIC_USER_IRQ_OFFSET 16
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#include "cmsis.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector);
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uint32_t NVIC_GetVector(IRQn_Type IRQn);
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#ifdef __cplusplus
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}
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#endif
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#endif
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@ -0,0 +1,514 @@
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/**************************************************************************//**
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* @file system_LPC15xx.c
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* @brief CMSIS Cortex-M3 Device System Source File for
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* NXP LPC15xx Device Series
|
||||
* @version V1.00
|
||||
* @date 19. July 2013
|
||||
*
|
||||
* @note
|
||||
* Copyright (C) 2013 ARM Limited. All rights reserved.
|
||||
*
|
||||
* @par
|
||||
* ARM Limited (ARM) is supplying this software for use with Cortex-M
|
||||
* processor based microcontrollers. This file can be freely distributed
|
||||
* within development tools that are supporting such ARM based processors.
|
||||
*
|
||||
* @par
|
||||
* THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
|
||||
* OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
|
||||
* ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
|
||||
* CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
|
||||
#include <stdint.h>
|
||||
#include "LPC15xx.h"
|
||||
|
||||
/*
|
||||
//-------- <<< Use Configuration Wizard in Context Menu >>> ------------------
|
||||
*/
|
||||
|
||||
/*- SystemCoreClock Configuration -------------------------------------------*/
|
||||
// <e0> SystemCoreClock Configuration
|
||||
#define CLOCK_SETUP 1
|
||||
//
|
||||
// <h> System Oscillator Control (SYSOSCCTRL)
|
||||
// <o.0> BYPASS: System Oscillator Bypass Enable
|
||||
// <i> If enabled then PLL input (sys_osc_clk) is fed
|
||||
// <i> directly from XTALIN and XTALOUT pins.
|
||||
// <o.1> FREQRANGE: System Oscillator Frequency Range
|
||||
// <i> Determines frequency range for Low-power oscillator.
|
||||
// <0=> 1 - 20 MHz
|
||||
// <1=> 15 - 25 MHz
|
||||
// </h>
|
||||
#define SYSOSCCTRL_Val 0x00000000 // Reset value: 0x000
|
||||
//
|
||||
// <o.0..1> System PLL Clock Source Select (SYSPLLCLKSEL)
|
||||
// <0=> IRC Oscillator
|
||||
// <1=> Crystal Oscillator (SYSOSC)
|
||||
#define SYSPLLCLKSEL_Val 0x00000001 // Reset value: 0x000
|
||||
//
|
||||
// <e> Clock Configuration (Manual)
|
||||
#define CLOCK_SETUP_REG 1
|
||||
//
|
||||
// <o.0..1> Main Clock Source Select A (MAINCLKSELA)
|
||||
// <0=> IRC Oscillator
|
||||
// <1=> System Oscillator
|
||||
// <2=> WD Oscillator
|
||||
#define MAINCLKSELA_Val 0x00000001 // Reset value: 0x000
|
||||
//
|
||||
// <o.0..1> Main Clock Source Select B (MAINCLKSELB)
|
||||
// <0=> MAINCLKSELA
|
||||
// <1=> System PLL Input
|
||||
// <2=> System PLL Output
|
||||
// <3=> RTC Oscillator
|
||||
#define MAINCLKSELB_Val 0x00000002 // Reset value: 0x000
|
||||
//
|
||||
// <h> System PLL Setting (SYSPLLCTRL)
|
||||
// <i> F_clkout = M * F_clkin = F_CCO / (2 * P)
|
||||
// <i> F_clkin must be in the range of 10 MHz to 25 MHz
|
||||
// <i> F_CCO must be in the range of 156 MHz to 320 MHz
|
||||
// <o.0..5> MSEL: Feedback Divider Selection
|
||||
// <i> M = MSEL + 1
|
||||
// <0-31>
|
||||
// <o.5..7> PSEL: Post Divider Selection
|
||||
// <i> Post divider ratio P. Division ratio is 2 * P
|
||||
// <0=> P = 1
|
||||
// <1=> P = 2
|
||||
// <2=> P = 4
|
||||
// <3=> P = 8
|
||||
// </h>
|
||||
#define SYSPLLCTRL_Val 0x00000005 // Reset value: 0x000
|
||||
//
|
||||
// <o.0..7> System AHB Clock Divider (SYSAHBCLKDIV.DIV)
|
||||
// <i> Divides main clock to provide system clock to core, memories, and peripherals.
|
||||
// <i> 0 = is disabled
|
||||
// <0-255>
|
||||
#define SYSAHBCLKDIV_Val 0x00000001 // Reset value: 0x001
|
||||
// </e>
|
||||
//
|
||||
// <e> Clock Configuration (via ROM PLL API)
|
||||
#define CLOCK_SETUP_API 0
|
||||
//
|
||||
// <o> PLL API Mode Select
|
||||
// <0=> Exact
|
||||
// <1=> Less than or equal
|
||||
// <2=> Greater than or equal
|
||||
// <3=> As close as possible
|
||||
#define PLL_API_MODE_Val 0
|
||||
//
|
||||
// <o> CPU Frequency [Hz] <1000000-72000000:1000>
|
||||
#define PLL_API_FREQ_Val 72000000
|
||||
// </e>
|
||||
//
|
||||
// <e> USB Clock Configuration
|
||||
#define USB_CLOCK_SETUP 0
|
||||
// <h> USB PLL Control (USBPLLCTRL)
|
||||
// <i> F_clkout = M * F_clkin = F_CCO / (2 * P)
|
||||
// <i> F_clkin must be in the range of 10 MHz to 25 MHz
|
||||
// <i> F_CCO must be in the range of 156 MHz to 320 MHz
|
||||
// <o.0..5> MSEL: Feedback Divider Selection
|
||||
// <i> M = MSEL + 1
|
||||
// <0-31>
|
||||
// <o.7..6> PSEL: Post Divider Selection
|
||||
// <i> Post divider ratio P. Division ratio is 2 * P
|
||||
// <0=> P = 1
|
||||
// <1=> P = 2
|
||||
// <2=> P = 4
|
||||
// <3=> P = 8
|
||||
// </h>
|
||||
#define USBPLLCTRL_Val 0x00000023 // Reset value: 0x000
|
||||
//
|
||||
// <o.0..1> USB PLL Clock Source Select (USBPLLCLKSEL.SEL)
|
||||
// <0=> IRC Oscillator
|
||||
// <1=> System Oscillator
|
||||
#define USBPLLCLKSEL_Val 0x00000001 // Reset value: 0x000
|
||||
//
|
||||
// <o.0..1> USB Clock Source Select (USBCLKSEL.SEL)
|
||||
// <0=> IRC Oscillator
|
||||
// <1=> System Oscillator
|
||||
// <2=> USB PLL out
|
||||
// <3=> Main clock
|
||||
#define USBCLKSEL_Val 0x00000002 // Reset value: 0x000
|
||||
//
|
||||
// <o.0..7> USB Clock Divider (USBCLKDIV.DIV)
|
||||
// <i> Divides USB clock to 48 MHz.
|
||||
// <i> 0 = is disabled
|
||||
// <0-255>
|
||||
#define USBCLKDIV_Val 0x00000001 // Reset Value: 0x001
|
||||
// </e>
|
||||
//
|
||||
// <e> SCT Clock Configuration
|
||||
#define SCT_CLOCK_SETUP 0
|
||||
// <h> SCT PLL Control (SCTPLLCTRL)
|
||||
// <i> F_clkout = M * F_clkin = F_CCO / (2 * P)
|
||||
// <i> F_clkin must be in the range of 10 MHz to 25 MHz
|
||||
// <i> F_CCO must be in the range of 156 MHz to 320 MHz
|
||||
// <o.0..5> MSEL: Feedback Divider Selection
|
||||
// <i> M = MSEL + 1
|
||||
// <0-31>
|
||||
// <o.7..6> PSEL: Post Divider Selection
|
||||
// <i> Post divider ratio P. Division ratio is 2 * P
|
||||
// <0=> P = 1
|
||||
// <1=> P = 2
|
||||
// <2=> P = 4
|
||||
// <3=> P = 8
|
||||
// </h>
|
||||
#define SCTPLLCTRL_Val 0x00000023 // Reset value: 0x000
|
||||
//
|
||||
// <o.0..1> SCT PLL Clock Source Select (SCTPLLCLKSEL.SEL)
|
||||
// <0=> IRC Oscillator
|
||||
// <1=> System Oscillator
|
||||
#define SCTPLLCLKSEL_Val 0x00000001 // Reset value: 0x000
|
||||
// </e>
|
||||
//
|
||||
// </e>
|
||||
//
|
||||
// <o0>System Oscillator (XTAL) Frequency [Hz] <1000000-25000000>
|
||||
// <i> XTAL frequency must be in the range of 1 MHz to 25 MHz
|
||||
//
|
||||
#define XTAL_CLK_Val 12000000
|
||||
|
||||
/*
|
||||
//-------- <<< end of configuration section >>> ------------------------------
|
||||
*/
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
Define clocks
|
||||
*----------------------------------------------------------------------------*/
|
||||
#define __XTAL_CLK ( XTAL_CLK_Val) /* Oscillator freq */
|
||||
#define __SYS_OSC_CLK ( __XTAL_CLK) /* System oscillator freq */
|
||||
#define __IRC_OSC_CLK ( 12000000UL) /* Internal RC oscillator freq */
|
||||
#define __RTC_OSC_CLK ( 32768UL) /* RTC oscillator freq */
|
||||
#define __WDT_OSC_CLK ( 503000UL) /* WDT oscillator freq */
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
Check the register settings
|
||||
*----------------------------------------------------------------------------*/
|
||||
#define CHECK_RANGE(val, min, max) ((val < min) || (val > max))
|
||||
#define CHECK_RSVD(val, mask) (val & mask)
|
||||
|
||||
#if (CHECK_RANGE((SYSOSCCTRL_Val), 0, 1))
|
||||
#error "SYSOSCCTRL: Invalid values of reserved bits!"
|
||||
#endif
|
||||
|
||||
#if (CHECK_RANGE((SYSPLLCLKSEL_Val), 0, 3))
|
||||
#error "SYSPLLCLKSEL: Value out of range!"
|
||||
#endif
|
||||
|
||||
#if (CHECK_RSVD((SYSPLLCTRL_Val), ~0x000000FF))
|
||||
#error "SYSPLLCTRL: Invalid values of reserved bits!"
|
||||
#endif
|
||||
|
||||
#if (CHECK_RANGE((MAINCLKSELA_Val), 0, 2))
|
||||
#error "MAINCLKSELA: Invalid values of reserved bits!"
|
||||
#endif
|
||||
|
||||
#if (CHECK_RSVD((MAINCLKSELB_Val), ~0x00000003))
|
||||
#error "MAINCLKSELB: Invalid values of reserved bits!"
|
||||
#endif
|
||||
|
||||
#if (CHECK_RANGE((SYSAHBCLKDIV_Val), 0, 255))
|
||||
#error "SYSAHBCLKDIV: Value out of range!"
|
||||
#endif
|
||||
|
||||
#if ( CLOCK_SETUP_REG == CLOCK_SETUP_API )
|
||||
#error "You must select either manual or API based Clock Configuration!"
|
||||
#endif
|
||||
|
||||
#if (CHECK_RANGE((USBPLLCLKSEL_Val), 0, 1))
|
||||
#error "USBPLLCLKSEL: Value out of range!"
|
||||
#endif
|
||||
|
||||
#if (CHECK_RSVD((USBPLLCTRL_Val), ~0x00000FF))
|
||||
#error "USBPLLCTRL: Invalid values of reserved bits!"
|
||||
#endif
|
||||
|
||||
#if (CHECK_RANGE((USBCLKSEL_Val), 0, 3))
|
||||
#error "USBCLKSEL: Value out of range!"
|
||||
#endif
|
||||
|
||||
#if (CHECK_RANGE((USBCLKDIV_Val), 0, 255))
|
||||
#error "USBCLKDIV: Value out of range!"
|
||||
#endif
|
||||
|
||||
#if (CHECK_RANGE((SCTPLLCLKSEL_Val), 0, 1))
|
||||
#error "SCTPLLCLKSEL: Value out of range!"
|
||||
#endif
|
||||
|
||||
#if (CHECK_RSVD((SCTPLLCTRL_Val), ~0x00000FF))
|
||||
#error "SCTPLLCTRL: Invalid values of reserved bits!"
|
||||
#endif
|
||||
|
||||
#if (CHECK_RANGE(XTAL_CLK_Val, 1000000, 25000000))
|
||||
#error "XTAL frequency is out of bounds"
|
||||
#endif
|
||||
|
||||
#if (CHECK_RANGE(PLL_API_MODE_Val, 0, 3))
|
||||
#error "PLL API Mode Select not valid"
|
||||
#endif
|
||||
|
||||
#if (CHECK_RANGE(PLL_API_FREQ_Val, 1000000, 72000000))
|
||||
#error "CPU Frequency (API mode) not valid"
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
Calculate system core clock
|
||||
*----------------------------------------------------------------------------*/
|
||||
#if (CLOCK_SETUP) /* Clock Setup */
|
||||
|
||||
/* sys_pllclkin calculation */
|
||||
#if ((SYSPLLCLKSEL_Val & 0x03) == 0)
|
||||
#define __SYS_PLLCLKIN (__IRC_OSC_CLK)
|
||||
#elif ((SYSPLLCLKSEL_Val & 0x03) == 1)
|
||||
#define __SYS_PLLCLKIN (__SYS_OSC_CLK)
|
||||
#else
|
||||
#error "Oops"
|
||||
#endif
|
||||
|
||||
#if (CLOCK_SETUP_REG == 1) /* Clock Setup via Register */
|
||||
|
||||
#if ((MAINCLKSELA_Val & 0x03) == 0)
|
||||
#define __MAINA_CLOCK (__IRC_OSC_CLK)
|
||||
#elif ((MAINCLKSELA_Val & 0x03) == 1)
|
||||
#define __MAINA_CLOCK (__SYS_OSC_CLK)
|
||||
#elif ((MAINCLKSELA_Val & 0x03) == 2)
|
||||
#define __MAINA_CLOCK (__WDT_OSC_CLK)
|
||||
#else
|
||||
#error "Oops"
|
||||
#endif
|
||||
|
||||
#define __SYS_PLLCLKOUT (__SYS_PLLCLKIN * ((SYSPLLCTRL_Val & 0x01F) + 1))
|
||||
|
||||
/* main clock calculation */
|
||||
#if ((MAINCLKSELB_Val & 0x03) == 0)
|
||||
#define __MAINB_CLOCK (__MAINA_CLOCK)
|
||||
#elif ((MAINCLKSELB_Val & 0x03) == 1)
|
||||
#define __MAINB_CLOCK (__SYS_PLLCLKIN)
|
||||
#elif ((MAINCLKSELB_Val & 0x03) == 2)
|
||||
#define __MAINB_CLOCK (__SYS_PLLCLKOUT)
|
||||
#elif ((MAINCLKSELB_Val & 0x03) == 3)
|
||||
#define __MAINB_CLOCK (__RTC_OSC_CLK)
|
||||
#else
|
||||
#error "Oops"
|
||||
#endif
|
||||
|
||||
#define __SYSTEM_CLOCK (__MAINB_CLOCK / SYSAHBCLKDIV_Val)
|
||||
#endif /* Clock Setup via Register */
|
||||
|
||||
#if (CLOCK_SETUP_API == 1) /* Clock Setup via ROM API */
|
||||
#define __SYSTEM_CLOCK (PLL_API_FREQ_Val)
|
||||
#endif /* Clock Setup via PLL API */
|
||||
|
||||
#else
|
||||
#define __SYSTEM_CLOCK (__IRC_OSC_CLK)
|
||||
#endif /* CLOCK_SETUP */
|
||||
|
||||
|
||||
|
||||
#if ((CLOCK_SETUP == 1) && (CLOCK_SETUP_API == 1)) /* PLL Setup via PLL API */
|
||||
#include "power_api.h"
|
||||
|
||||
typedef struct _ROM {
|
||||
const unsigned p_dev0;
|
||||
const unsigned p_dev1;
|
||||
const unsigned p_dev2;
|
||||
const PWRD * pPWRD; /* ROM Power Management API */
|
||||
const unsigned p_dev4;
|
||||
const unsigned p_dev5;
|
||||
const unsigned p_dev6;
|
||||
const unsigned p_dev7;
|
||||
} ROM;
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
PLL API Function
|
||||
*----------------------------------------------------------------------------*/
|
||||
static void setPLL(const uint32_t pllMode, const uint32_t pllInFreq, const uint32_t reqCpuFreq)
|
||||
{
|
||||
uint32_t cmd[5], res[5];
|
||||
ROM ** rom = (ROM **) 0x03000200; /* pointer to power API calls */
|
||||
|
||||
cmd[0] = pllInFreq; /* PLL's input freq in KHz */
|
||||
cmd[1] = reqCpuFreq; /* requested CPU freq in KHz */
|
||||
cmd[2] = pllMode;
|
||||
cmd[3] = 0; /* no timeout for PLL to lock */
|
||||
|
||||
/* Execute API call */
|
||||
(*rom)->pPWRD->set_pll(cmd, res); /* call API function */
|
||||
if ((res[0] != PLL_CMD_SUCCESS)){ /* in case of an error ... */
|
||||
while(1); /* ... stay here */
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
Clock Variable definitions
|
||||
*----------------------------------------------------------------------------*/
|
||||
uint32_t SystemCoreClock = __SYSTEM_CLOCK; /* System Clock Frequency */
|
||||
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
Clock functions
|
||||
*----------------------------------------------------------------------------*/
|
||||
void SystemCoreClockUpdate (void) /* Get Core Clock Frequency */
|
||||
{
|
||||
/* Determine clock frequency according to clock register values */
|
||||
switch (LPC_SYSCON->MAINCLKSELB & 0x03) {
|
||||
case 0: /* MAINCLKSELA clock sel */
|
||||
switch (LPC_SYSCON->MAINCLKSELA & 0x03) {
|
||||
case 0: /* Internal RC oscillator */
|
||||
SystemCoreClock = __IRC_OSC_CLK;
|
||||
break;
|
||||
case 1: /* System oscillator */
|
||||
SystemCoreClock = __SYS_OSC_CLK;
|
||||
break;
|
||||
case 2: /* Watchdog oscillator */
|
||||
SystemCoreClock = __WDT_OSC_CLK;
|
||||
break;
|
||||
case 3: /* Reserved */
|
||||
SystemCoreClock = 0;
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case 1: /* Input Clock to System PLL */
|
||||
switch (LPC_SYSCON->SYSPLLCLKSEL & 0x03) {
|
||||
case 0: /* Internal RC oscillator */
|
||||
SystemCoreClock = __IRC_OSC_CLK;
|
||||
break;
|
||||
case 1: /* System oscillator */
|
||||
SystemCoreClock = __SYS_OSC_CLK;
|
||||
break;
|
||||
case 2: /* Reserved */
|
||||
case 3: /* Reserved */
|
||||
SystemCoreClock = 0;
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case 2: /* System PLL Clock Out */
|
||||
switch (LPC_SYSCON->SYSPLLCLKSEL & 0x03) {
|
||||
case 0: /* Internal RC oscillator */
|
||||
SystemCoreClock = __IRC_OSC_CLK * ((LPC_SYSCON->SYSPLLCTRL & 0x01F) + 1);
|
||||
break;
|
||||
case 1: /* System oscillator */
|
||||
SystemCoreClock = __SYS_OSC_CLK * ((LPC_SYSCON->SYSPLLCTRL & 0x01F) + 1);
|
||||
break;
|
||||
case 2: /* Reserved */
|
||||
case 3: /* Reserved */
|
||||
SystemCoreClock = 0;
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case 3: /* WDT Oscillator */
|
||||
SystemCoreClock = __WDT_OSC_CLK;
|
||||
break;
|
||||
}
|
||||
|
||||
SystemCoreClock /= LPC_SYSCON->SYSAHBCLKDIV;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Initialize the system
|
||||
*
|
||||
* @param none
|
||||
* @return none
|
||||
*
|
||||
* @brief Setup the microcontroller system.
|
||||
*/
|
||||
void SystemInit (void) {
|
||||
#if (CLOCK_SETUP)
|
||||
volatile uint32_t i;
|
||||
#endif
|
||||
|
||||
#if (CLOCK_SETUP) /* Clock Setup */
|
||||
|
||||
#if ((SYSPLLCLKSEL_Val & 0x03) == 1)
|
||||
LPC_SYSCON->SYSOSCCTRL = SYSOSCCTRL_Val;
|
||||
LPC_SYSCON->PDRUNCFG &= ~(1 << 21); /* Power-up sysosc */
|
||||
for (i = 0; i < 200; i++) __NOP(); /* Wait for osc to stabilize */
|
||||
#endif
|
||||
|
||||
LPC_SYSCON->SYSPLLCLKSEL = SYSPLLCLKSEL_Val; /* Select PLL Input */
|
||||
|
||||
#if (CLOCK_SETUP_REG == 1) /* Clock Setup via Register */
|
||||
|
||||
#if (((MAINCLKSELA_Val & 0x03) == 1) )
|
||||
LPC_SYSCON->SYSOSCCTRL = SYSOSCCTRL_Val;
|
||||
LPC_SYSCON->PDRUNCFG &= ~(1 << 21); /* Power-up sysosc */
|
||||
for (i = 0; i < 200; i++) __NOP(); /* Wait for osc to stabilize */
|
||||
#endif
|
||||
|
||||
#if (((MAINCLKSELA_Val & 0x03) == 2) )
|
||||
LPC_SYSCON->PDRUNCFG &= ~(1 << 20); /* Power-up WDT Clock */
|
||||
for (i = 0; i < 200; i++) __NOP(); /* Wait for osc to stabilize */
|
||||
#endif
|
||||
|
||||
#if ((MAINCLKSELB_Val & 0x03) == 3)
|
||||
LPC_SYSCON->RTCOSCCTRL = (1 << 0); /* Enable 32 kHz output */
|
||||
for (i = 0; i < 200; i++) __NOP(); /* Wait for osc to stabilize */
|
||||
#endif
|
||||
|
||||
LPC_SYSCON->MAINCLKSELA = MAINCLKSELA_Val; /* select MAINCLKA clock */
|
||||
|
||||
#if ((MAINCLKSELB_Val & 0x03) == 2) /* Main Clock is PLL Out */
|
||||
LPC_SYSCON->SYSPLLCTRL = SYSPLLCTRL_Val;
|
||||
LPC_SYSCON->PDRUNCFG &= ~(1 << 22); /* Power-up SYSPLL */
|
||||
while (!(LPC_SYSCON->SYSPLLSTAT & 0x01)); /* Wait Until PLL Locked */
|
||||
#endif
|
||||
|
||||
LPC_SYSCON->MAINCLKSELB = MAINCLKSELB_Val; /* select Main clock */
|
||||
|
||||
LPC_SYSCON->SYSAHBCLKDIV = SYSAHBCLKDIV_Val;
|
||||
#endif /* Clock Setup via Register */
|
||||
|
||||
#if (CLOCK_SETUP_API == 1) /* Clock Setup via PLL API */
|
||||
// LPC_SYSCON->SYSPLLCLKSEL = 0x00; /* Use IRC */
|
||||
|
||||
LPC_SYSCON->MAINCLKSELB = (1 << 2); /* Select System PLL output */
|
||||
|
||||
LPC_SYSCON->SYSAHBCLKDIV = 1;
|
||||
|
||||
setPLL(PLL_API_MODE_Val, __SYS_PLLCLKIN / 1000, PLL_API_FREQ_Val / 1000);
|
||||
#endif /* Clock Setup via PLL API */
|
||||
|
||||
#if (USB_CLOCK_SETUP == 1) /* USB clock is used */
|
||||
LPC_SYSCON->PDRUNCFG &= ~(1 << 9); /* Power-up USB PHY */
|
||||
|
||||
#if ((USBCLKSEL_Val & 0x003) == 2) /* USB clock is USB PLL out */
|
||||
LPC_SYSCON->PDRUNCFG &= ~(1 << 23); /* Power-up USB PLL */
|
||||
LPC_SYSCON->USBPLLCLKSEL = USBPLLCLKSEL_Val; /* Select PLL Input */
|
||||
|
||||
LPC_SYSCON->USBPLLCTRL = USBPLLCTRL_Val;
|
||||
while (!(LPC_SYSCON->USBPLLSTAT & 0x01)); /* Wait Until PLL Locked */
|
||||
|
||||
LPC_SYSCON->USBCLKSEL = 0x02; /* Select USB PLL */
|
||||
#endif
|
||||
|
||||
LPC_SYSCON->USBCLKSEL = USBCLKSEL_Val; /* Select USB Clock */
|
||||
LPC_SYSCON->USBCLKDIV = USBCLKDIV_Val; /* Set USB clock divider */
|
||||
|
||||
#else /* USB clock is not used */
|
||||
LPC_SYSCON->PDRUNCFG |= (1 << 9); /* Power-down USB PHY */
|
||||
LPC_SYSCON->PDRUNCFG |= (1 << 23); /* Power-down USB PLL */
|
||||
#endif
|
||||
|
||||
#if (SCT_CLOCK_SETUP == 1) /* SCT clock is used */
|
||||
LPC_SYSCON->PDRUNCFG &= ~(1 << 24); /* Power-up SCT PLL */
|
||||
LPC_SYSCON->SCTPLLCLKSEL = SCTPLLCLKSEL_Val; /* Select PLL Input */
|
||||
|
||||
LPC_SYSCON->USBPLLCTRL = SCTPLLCTRL_Val;
|
||||
while (!(LPC_SYSCON->SCTPLLSTAT & 0x01)); /* Wait Until PLL Locked */
|
||||
#else /* SCT clock is not used */
|
||||
LPC_SYSCON->PDRUNCFG |= (1 << 24); /* Power-down SCT PLL */
|
||||
#endif
|
||||
|
||||
#endif /* Clock Setup */
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,72 @@
|
|||
/**************************************************************************//**
|
||||
* @file system_LPC15xx.h
|
||||
* @brief CMSIS Cortex-M3 Device System Header File for
|
||||
* NXP LPC15xx Device Series
|
||||
* @version V1.00
|
||||
* @date 19. July 2013
|
||||
*
|
||||
* @note
|
||||
* Copyright (C) 2013 ARM Limited. All rights reserved.
|
||||
*
|
||||
* @par
|
||||
* ARM Limited (ARM) is supplying this software for use with Cortex-M
|
||||
* processor based microcontrollers. This file can be freely distributed
|
||||
* within development tools that are supporting such ARM based processors.
|
||||
*
|
||||
* @par
|
||||
* THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
|
||||
* OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
|
||||
* ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
|
||||
* CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
|
||||
#ifndef __SYSTEM_LPC15xx_H
|
||||
#define __SYSTEM_LPC15xx_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
/** @addtogroup LPC15xx_System
|
||||
* @{
|
||||
*/
|
||||
|
||||
extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
|
||||
|
||||
|
||||
/**
|
||||
* Initialize the system
|
||||
*
|
||||
* @param none
|
||||
* @return none
|
||||
*
|
||||
* @brief Setup the microcontroller system.
|
||||
* Initialize the System.
|
||||
*/
|
||||
extern void SystemInit (void);
|
||||
|
||||
/**
|
||||
* Update SystemCoreClock variable
|
||||
*
|
||||
* @param none
|
||||
* @return none
|
||||
*
|
||||
* @brief Updates the SystemCoreClock with current core Clock
|
||||
* retrieved from cpu registers.
|
||||
*/
|
||||
extern void SystemCoreClockUpdate (void);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
#endif /* __SYSTEM_LPC15xx_H */
|
||||
|
|
@ -0,0 +1,30 @@
|
|||
/* mbed Microcontroller Library
|
||||
* Copyright (c) 2006-2013 ARM Limited
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
#ifndef MBED_PERIPHERALNAMES_H
|
||||
#define MBED_PERIPHERALNAMES_H
|
||||
|
||||
#include "cmsis.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,75 @@
|
|||
/* mbed Microcontroller Library
|
||||
* Copyright (c) 2006-2014 ARM Limited
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
#ifndef MBED_PINNAMES_H
|
||||
#define MBED_PINNAMES_H
|
||||
|
||||
#include "cmsis.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
typedef enum {
|
||||
PIN_INPUT,
|
||||
PIN_OUTPUT
|
||||
} PinDirection;
|
||||
|
||||
#define PORT_SHIFT 5
|
||||
|
||||
typedef enum {
|
||||
// LPC Pin Names
|
||||
P0_0 = 0,
|
||||
P0_1, P0_2, P0_3, P0_4, P0_5, P0_6, P0_7, P0_8, P0_9, P0_10, P0_11, P0_12, P0_13, P0_14, P0_15, P0_16, P0_17, P0_18, P0_19, P0_20, P0_21, P0_22, P0_23, P0_24, P0_25, P0_26, P0_27, P0_28, P0_29, P0_30, P0_31,
|
||||
P1_0, P1_1, P1_2, P1_3, P1_4, P1_5, P1_6, P1_7, P1_8, P1_9, P1_10, P1_11, P1_12, P1_13, P1_14, P1_15, P1_16, P1_17, P1_18, P1_19, P1_20, P1_21, P1_22, P1_23, P1_24, P1_25, P1_26, P1_27, P1_28, P1_29, P1_30, P1_31,
|
||||
P2_0, P2_1, P2_2, P2_3, P2_4, P2_5, P2_6, P2_7, P2_8, P2_9, P2_10, P2_11, P2_12,
|
||||
|
||||
|
||||
// mbed original LED naming
|
||||
LED1 = P0_1,
|
||||
LED2 = P0_3,
|
||||
LED3 = P0_25,
|
||||
LED4 = P0_25,
|
||||
LED_RED = P0_2,
|
||||
|
||||
// Serial to USB pins
|
||||
USBTX = P0_4,
|
||||
USBRX = P0_0,
|
||||
|
||||
// Not connected
|
||||
NC = (int)0xFFFFFFFF,
|
||||
} PinName;
|
||||
|
||||
typedef enum {
|
||||
PullUp = 2,
|
||||
PullDown = 1,
|
||||
PullNone = 0,
|
||||
Repeater = 3,
|
||||
OpenDrain = 4
|
||||
} PinMode;
|
||||
|
||||
#define STDIO_UART_TX USBTX
|
||||
#define STDIO_UART_RX USBRX
|
||||
|
||||
typedef struct {
|
||||
unsigned char n;
|
||||
unsigned char offset;
|
||||
} SWM_Map;
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,32 @@
|
|||
/* mbed Microcontroller Library
|
||||
* Copyright (c) 2006-2014 ARM Limited
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
#ifndef MBED_PORTNAMES_H
|
||||
#define MBED_PORTNAMES_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
typedef enum {
|
||||
Port0 = 0,
|
||||
Port1 = 1,
|
||||
Port2 = 2
|
||||
} PortName;
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
|
|
@ -0,0 +1,58 @@
|
|||
/* mbed Microcontroller Library
|
||||
* Copyright (c) 2006-2014 ARM Limited
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
#ifndef MBED_DEVICE_H
|
||||
#define MBED_DEVICE_H
|
||||
|
||||
#define DEVICE_PORTIN 0
|
||||
#define DEVICE_PORTOUT 0
|
||||
#define DEVICE_PORTINOUT 0
|
||||
|
||||
#define DEVICE_INTERRUPTIN 0
|
||||
|
||||
#define DEVICE_ANALOGIN 0
|
||||
#define DEVICE_ANALOGOUT 0
|
||||
|
||||
#define DEVICE_SERIAL 0
|
||||
#define DEVICE_SERIAL_FC 0
|
||||
|
||||
#define DEVICE_I2C 0
|
||||
#define DEVICE_I2CSLAVE 0
|
||||
|
||||
#define DEVICE_SPI 0
|
||||
#define DEVICE_SPISLAVE 0
|
||||
|
||||
#define DEVICE_CAN 0
|
||||
|
||||
#define DEVICE_RTC 0
|
||||
|
||||
#define DEVICE_ETHERNET 0
|
||||
|
||||
#define DEVICE_PWMOUT 0
|
||||
|
||||
#define DEVICE_SEMIHOST 0
|
||||
#define DEVICE_LOCALFILESYSTEM 0
|
||||
|
||||
#define DEVICE_SLEEP 0
|
||||
|
||||
#define DEVICE_DEBUG_AWARENESS 0
|
||||
|
||||
#define DEVICE_STDIO_MESSAGES 0
|
||||
|
||||
#define DEVICE_ERROR_RED 0
|
||||
|
||||
#include "objects.h"
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,77 @@
|
|||
/* mbed Microcontroller Library
|
||||
* Copyright (c) 2006-2014 ARM Limited
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
#include "gpio_api.h"
|
||||
#include "pinmap.h"
|
||||
|
||||
static int gpio_enabled = 0;
|
||||
static void gpio_enable(void) {
|
||||
gpio_enabled = 1;
|
||||
|
||||
/* Enable AHB clock to the GPIO domain. */
|
||||
LPC_SYSCON->SYSAHBCLKCTRL0 |= (1<<14);
|
||||
LPC_SYSCON->SYSAHBCLKCTRL0 |= (1<<15);
|
||||
LPC_SYSCON->SYSAHBCLKCTRL0 |= (1<<16);
|
||||
|
||||
/* Peripheral reset control to GPIO and GPIO INT, a "1" bring it out of reset. */
|
||||
LPC_SYSCON->PRESETCTRL0 &= ~(0x1<<14);
|
||||
LPC_SYSCON->PRESETCTRL0 |= (0x1<<14);
|
||||
LPC_SYSCON->PRESETCTRL0 &= ~(0x1<<15);
|
||||
LPC_SYSCON->PRESETCTRL0 |= (0x1<<15);
|
||||
LPC_SYSCON->PRESETCTRL0 &= ~(0x1<<16);
|
||||
LPC_SYSCON->PRESETCTRL0 |= (0x1<<16);
|
||||
}
|
||||
|
||||
uint32_t gpio_set(PinName pin) {
|
||||
int f = 0;
|
||||
|
||||
if (!gpio_enabled)
|
||||
gpio_enable();
|
||||
|
||||
pin_function(pin, f);
|
||||
|
||||
return (1 << ((int)pin & 0x1F));
|
||||
}
|
||||
|
||||
void gpio_init(gpio_t *obj, PinName pin, PinDirection direction) {
|
||||
if(pin == NC) return;
|
||||
|
||||
obj->pin = pin;
|
||||
obj->mask = gpio_set(pin);
|
||||
|
||||
unsigned int port = (unsigned int)pin >> PORT_SHIFT;
|
||||
|
||||
obj->reg_set = &LPC_GPIO_PORT->SET[port];
|
||||
obj->reg_clr = &LPC_GPIO_PORT->CLR[port];
|
||||
obj->reg_in = &LPC_GPIO_PORT->PIN[port];
|
||||
obj->reg_dir = &LPC_GPIO_PORT->DIR[port];
|
||||
|
||||
gpio_dir(obj, direction);
|
||||
switch (direction) {
|
||||
case PIN_OUTPUT: pin_mode(pin, PullNone); break;
|
||||
case PIN_INPUT : pin_mode(pin, PullDown); break;
|
||||
}
|
||||
}
|
||||
|
||||
void gpio_mode(gpio_t *obj, PinMode mode) {
|
||||
pin_mode(obj->pin, mode);
|
||||
}
|
||||
|
||||
void gpio_dir(gpio_t *obj, PinDirection direction) {
|
||||
switch (direction) {
|
||||
case PIN_INPUT : *obj->reg_dir &= ~obj->mask; break;
|
||||
case PIN_OUTPUT: *obj->reg_dir |= obj->mask; break;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,48 @@
|
|||
/* mbed Microcontroller Library
|
||||
* Copyright (c) 2006-2013 ARM Limited
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
#ifndef MBED_GPIO_OBJECT_H
|
||||
#define MBED_GPIO_OBJECT_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
typedef struct {
|
||||
PinName pin;
|
||||
uint32_t mask;
|
||||
|
||||
__IO uint32_t *reg_dir;
|
||||
__IO uint32_t *reg_set;
|
||||
__IO uint32_t *reg_clr;
|
||||
__I uint32_t *reg_in;
|
||||
} gpio_t;
|
||||
|
||||
static inline void gpio_write(gpio_t *obj, int value) {
|
||||
if (value)
|
||||
*obj->reg_set = obj->mask;
|
||||
else
|
||||
*obj->reg_clr = obj->mask;
|
||||
}
|
||||
|
||||
static inline int gpio_read(gpio_t *obj) {
|
||||
return ((*obj->reg_in & obj->mask) ? 1 : 0);
|
||||
}
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,52 @@
|
|||
/* mbed Microcontroller Library
|
||||
* Copyright (c) 2006-2013 ARM Limited
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
#ifndef MBED_OBJECTS_H
|
||||
#define MBED_OBJECTS_H
|
||||
|
||||
#include "cmsis.h"
|
||||
#include "PortNames.h"
|
||||
#include "PeripheralNames.h"
|
||||
#include "PinNames.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
struct gpio_irq_s {
|
||||
uint32_t ch;
|
||||
};
|
||||
|
||||
struct serial_s {
|
||||
LPC_USART0_Type *uart;
|
||||
unsigned char index;
|
||||
};
|
||||
|
||||
struct i2c_s {
|
||||
LPC_I2C0_Type *i2c;
|
||||
};
|
||||
|
||||
struct spi_s {
|
||||
LPC_SPI0_Type *spi;
|
||||
unsigned char spi_n;
|
||||
};
|
||||
|
||||
#include "gpio_object.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,72 @@
|
|||
/* mbed Microcontroller Library
|
||||
* Copyright (c) 2006-2013 ARM Limited
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
#include "pinmap.h"
|
||||
#include "error.h"
|
||||
|
||||
__IO uint32_t* IOCON_REGISTERS[76] = {
|
||||
&LPC_IOCON->PIO0_0 , &LPC_IOCON->PIO0_1 , &LPC_IOCON->PIO0_2 ,
|
||||
&LPC_IOCON->PIO0_3 , &LPC_IOCON->PIO0_4 , &LPC_IOCON->PIO0_5 ,
|
||||
&LPC_IOCON->PIO0_6 , &LPC_IOCON->PIO0_7 , &LPC_IOCON->PIO0_8 ,
|
||||
&LPC_IOCON->PIO0_9 , &LPC_IOCON->PIO0_10, &LPC_IOCON->PIO0_11,
|
||||
&LPC_IOCON->PIO0_12, &LPC_IOCON->PIO0_13, &LPC_IOCON->PIO0_14,
|
||||
&LPC_IOCON->PIO0_15, &LPC_IOCON->PIO0_16, &LPC_IOCON->PIO0_17,
|
||||
&LPC_IOCON->PIO0_18, &LPC_IOCON->PIO0_19, &LPC_IOCON->PIO0_20,
|
||||
&LPC_IOCON->PIO0_21, &LPC_IOCON->PIO0_22, &LPC_IOCON->PIO0_23,
|
||||
&LPC_IOCON->PIO0_24, &LPC_IOCON->PIO0_25, &LPC_IOCON->PIO0_26,
|
||||
&LPC_IOCON->PIO0_27, &LPC_IOCON->PIO0_28, &LPC_IOCON->PIO0_29,
|
||||
&LPC_IOCON->PIO0_30, &LPC_IOCON->PIO0_31,
|
||||
|
||||
&LPC_IOCON->PIO1_0 , &LPC_IOCON->PIO1_1 , &LPC_IOCON->PIO1_2 ,
|
||||
&LPC_IOCON->PIO1_3 , &LPC_IOCON->PIO1_4 , &LPC_IOCON->PIO1_5 ,
|
||||
&LPC_IOCON->PIO1_6 , &LPC_IOCON->PIO1_7 , &LPC_IOCON->PIO1_8 ,
|
||||
&LPC_IOCON->PIO1_9 , &LPC_IOCON->PIO1_10, &LPC_IOCON->PIO1_11,
|
||||
&LPC_IOCON->PIO1_12, &LPC_IOCON->PIO1_13, &LPC_IOCON->PIO1_14,
|
||||
&LPC_IOCON->PIO1_15, &LPC_IOCON->PIO1_16, &LPC_IOCON->PIO1_17,
|
||||
&LPC_IOCON->PIO1_18, &LPC_IOCON->PIO1_19, &LPC_IOCON->PIO1_20,
|
||||
&LPC_IOCON->PIO1_21, &LPC_IOCON->PIO1_22, &LPC_IOCON->PIO1_23,
|
||||
&LPC_IOCON->PIO1_24, &LPC_IOCON->PIO1_25, &LPC_IOCON->PIO1_26,
|
||||
&LPC_IOCON->PIO1_27, &LPC_IOCON->PIO1_28, &LPC_IOCON->PIO1_29,
|
||||
&LPC_IOCON->PIO1_30, &LPC_IOCON->PIO1_31,
|
||||
|
||||
&LPC_IOCON->PIO2_0 , &LPC_IOCON->PIO2_1 , &LPC_IOCON->PIO2_2 ,
|
||||
&LPC_IOCON->PIO2_3 , &LPC_IOCON->PIO2_4 , &LPC_IOCON->PIO2_5 ,
|
||||
&LPC_IOCON->PIO2_6 , &LPC_IOCON->PIO2_7 , &LPC_IOCON->PIO2_8 ,
|
||||
&LPC_IOCON->PIO2_9 , &LPC_IOCON->PIO2_10, &LPC_IOCON->PIO2_11,
|
||||
};
|
||||
|
||||
void pin_function(PinName pin, int function) {
|
||||
|
||||
}
|
||||
|
||||
void pin_mode(PinName pin, PinMode mode) {
|
||||
if (pin == (uint32_t)NC) { return; }
|
||||
|
||||
if ((pin == 22) || (pin == 23)) {
|
||||
// The true open-drain pins PIO0_22 and PIO0_23 can be configured for different I2C-bus speeds.
|
||||
return;
|
||||
}
|
||||
|
||||
__IO uint32_t *reg = IOCON_REGISTERS[pin];
|
||||
|
||||
if (mode == OpenDrain) {
|
||||
*reg |= (1 << 10);
|
||||
} else {
|
||||
uint32_t tmp = *reg;
|
||||
tmp &= ~(0x3 << 3);
|
||||
tmp |= (mode & 0x3) << 3;
|
||||
*reg = tmp;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,93 @@
|
|||
/* mbed Microcontroller Library
|
||||
* Copyright (c) 2006-2013 ARM Limited
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
#include <stddef.h>
|
||||
#include "us_ticker_api.h"
|
||||
#include "PeripheralNames.h"
|
||||
|
||||
#define US_TICKER_TIMER_IRQn SCT0_IRQn
|
||||
|
||||
int us_ticker_inited = 0;
|
||||
|
||||
void us_ticker_init(void) {
|
||||
if (us_ticker_inited) return;
|
||||
us_ticker_inited = 1;
|
||||
|
||||
// Enable the SCT0 clock
|
||||
LPC_SYSCON->SYSAHBCLKCTRL1 |= (1 << 3);
|
||||
|
||||
// Clear peripheral reset the SCT0:
|
||||
LPC_SYSCON->PRESETCTRL1 |= (1 << 2);
|
||||
|
||||
// Unified counter (32 bits)
|
||||
LPC_SCT0->CONFIG |= 1;
|
||||
|
||||
// halt and clear the counter
|
||||
LPC_SCT0->CTRL |= (1 << 2) | (1 << 3);
|
||||
|
||||
// System Clock (12)MHz -> us_ticker (1)MHz
|
||||
LPC_SCT0->CTRL |= ((SystemCoreClock/1000000 - 1) << 5);
|
||||
|
||||
// unhalt the counter:
|
||||
// - clearing bit 2 of the CTRL register
|
||||
LPC_SCT0->CTRL &= ~(1 << 2);
|
||||
|
||||
NVIC_SetVector(US_TICKER_TIMER_IRQn, (uint32_t)us_ticker_irq_handler);
|
||||
NVIC_EnableIRQ(US_TICKER_TIMER_IRQn);
|
||||
}
|
||||
|
||||
uint32_t us_ticker_read() {
|
||||
if (!us_ticker_inited)
|
||||
us_ticker_init();
|
||||
|
||||
return LPC_SCT0->COUNT;
|
||||
}
|
||||
|
||||
void us_ticker_set_interrupt(unsigned int timestamp) {
|
||||
// halt the counter:
|
||||
// - setting bit 2 of the CTRL register
|
||||
LPC_SCT0->CTRL |= (1 << 2);
|
||||
|
||||
// set timestamp in compare register
|
||||
LPC_SCT0->MATCH0 = timestamp;
|
||||
|
||||
// unhalt the counter:
|
||||
// - clearing bit 2 of the CTRL register
|
||||
LPC_SCT0->CTRL &= ~(1 << 2);
|
||||
|
||||
// if events are not enabled, enable them
|
||||
if (!(LPC_SCT0->EVEN & 0x01)) {
|
||||
|
||||
// comb mode = match only
|
||||
LPC_SCT0->EV0_CTRL = (1 << 12);
|
||||
|
||||
// ref manual:
|
||||
// In simple applications that do not
|
||||
// use states, write 0x01 to this
|
||||
// register to enable an event
|
||||
LPC_SCT0->EV0_STATE |= 0x1;
|
||||
|
||||
// enable events
|
||||
LPC_SCT0->EVEN |= 0x1;
|
||||
}
|
||||
}
|
||||
|
||||
void us_ticker_disable_interrupt(void) {
|
||||
LPC_SCT0->EVEN &= ~1;
|
||||
}
|
||||
|
||||
void us_ticker_clear_interrupt(void) {
|
||||
LPC_SCT0->EVFLAG = 1;
|
||||
}
|
||||
|
|
@ -389,6 +389,15 @@ class UBLOX_C027(Target):
|
|||
|
||||
self.supported_toolchains = ["ARM", "uARM", "GCC_ARM", "GCC_CS", "GCC_CR", "IAR"]
|
||||
|
||||
class LPC1549(Target):
|
||||
def __init__(self):
|
||||
Target.__init__(self)
|
||||
|
||||
self.core = "Cortex-M3"
|
||||
|
||||
self.extra_labels = ['NXP', 'LPC15XX']
|
||||
|
||||
self.supported_toolchains = ["uARM"]
|
||||
|
||||
# Get a single instance for each target
|
||||
TARGETS = [
|
||||
|
|
@ -415,7 +424,8 @@ TARGETS = [
|
|||
LPC11C24(),
|
||||
LPC11U35_401(),
|
||||
NRF51822(),
|
||||
UBLOX_C027()
|
||||
UBLOX_C027(),
|
||||
LPC1549()
|
||||
]
|
||||
|
||||
# Map each target name to its unique instance
|
||||
|
|
|
|||
Loading…
Reference in New Issue