diff --git a/libraries/mbed/targets/hal/TARGET_STM/TARGET_DISCO_F303VC/analogout_api.c b/libraries/mbed/targets/hal/TARGET_STM/TARGET_DISCO_F303VC/analogout_api.c deleted file mode 100644 index 14ac79a42f..0000000000 --- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_DISCO_F303VC/analogout_api.c +++ /dev/null @@ -1,123 +0,0 @@ -/* mbed Microcontroller Library - * 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 "mbed_assert.h" -#include "analogout_api.h" - -#if DEVICE_ANALOGOUT - -#include "cmsis.h" -#include "pinmap.h" -#include "mbed_error.h" -#include "PeripheralPins.h" - -#define DAC_RANGE (0xFFF) // 12 bits - -static DAC_HandleTypeDef DacHandle; - -void analogout_init(dac_t *obj, PinName pin) -{ - DAC_ChannelConfTypeDef sConfig; - - // Get the peripheral name from the pin and assign it to the object - obj->dac = (DACName)pinmap_peripheral(pin, PinMap_DAC); - MBED_ASSERT(obj->dac != (DACName)NC); - - // Configure GPIO - pinmap_pinout(pin, PinMap_DAC); - - // Save the pin for future use - obj->pin = pin; - - // Enable DAC clock - __DAC1_CLK_ENABLE(); - - // Configure DAC - DacHandle.Instance = (DAC_TypeDef *)(obj->dac); - - sConfig.DAC_Trigger = DAC_TRIGGER_NONE; - sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_DISABLE; - - HAL_DAC_ConfigChannel(&DacHandle, &sConfig, DAC_CHANNEL_1); - - analogout_write_u16(obj, 0); -} - -void analogout_free(dac_t *obj) -{ - // Reset DAC and disable clock - __DAC1_FORCE_RESET(); - __DAC1_RELEASE_RESET(); - __DAC1_CLK_DISABLE(); - - // Configure GPIO - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); -} - -static inline void dac_write(dac_t *obj, uint16_t value) -{ - HAL_DAC_SetValue(&DacHandle, DAC_CHANNEL_1, DAC_ALIGN_12B_R, value); - HAL_DAC_Start(&DacHandle, DAC_CHANNEL_1); -} - -static inline int dac_read(dac_t *obj) -{ - return (int)HAL_DAC_GetValue(&DacHandle, DAC_CHANNEL_1); -} - -void analogout_write(dac_t *obj, float value) -{ - if (value < 0.0f) { - dac_write(obj, 0); // Min value - } else if (value > 1.0f) { - dac_write(obj, (uint16_t)DAC_RANGE); // Max value - } else { - dac_write(obj, (uint16_t)(value * (float)DAC_RANGE)); - } -} - -void analogout_write_u16(dac_t *obj, uint16_t value) -{ - if (value > (uint16_t)DAC_RANGE) { - dac_write(obj, (uint16_t)DAC_RANGE); // Max value - } else { - dac_write(obj, value); - } -} - -float analogout_read(dac_t *obj) -{ - uint32_t value = dac_read(obj); - return (float)((float)value * (1.0f / (float)DAC_RANGE)); -} - -uint16_t analogout_read_u16(dac_t *obj) -{ - return (uint16_t)dac_read(obj); -} - -#endif // DEVICE_ANALOGOUT diff --git a/libraries/mbed/targets/hal/TARGET_STM/TARGET_DISCO_F303VC/gpio_irq_api.c b/libraries/mbed/targets/hal/TARGET_STM/TARGET_DISCO_F303VC/gpio_irq_api.c deleted file mode 100644 index a32e1f5f02..0000000000 --- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_DISCO_F303VC/gpio_irq_api.c +++ /dev/null @@ -1,262 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * 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 -#include "cmsis.h" -#include "gpio_irq_api.h" -#include "pinmap.h" -#include "mbed_error.h" - -#define EDGE_NONE (0) -#define EDGE_RISE (1) -#define EDGE_FALL (2) -#define EDGE_BOTH (3) - -#define CHANNEL_NUM (7) - -static uint32_t channel_ids[CHANNEL_NUM] = {0, 0, 0, 0, 0, 0, 0}; -static uint32_t channel_gpio[CHANNEL_NUM] = {0, 0, 0, 0, 0, 0, 0}; -static uint32_t channel_pin[CHANNEL_NUM] = {0, 0, 0, 0, 0, 0, 0}; - -static gpio_irq_handler irq_handler; - -static void handle_interrupt_in(uint32_t irq_index) -{ - // Retrieve the gpio and pin that generate the irq - GPIO_TypeDef *gpio = (GPIO_TypeDef *)(channel_gpio[irq_index]); - uint32_t pin = (uint32_t)(1 << channel_pin[irq_index]); - - // Clear interrupt flag - if (__HAL_GPIO_EXTI_GET_FLAG(pin) != RESET) { - __HAL_GPIO_EXTI_CLEAR_FLAG(pin); - } - - if (channel_ids[irq_index] == 0) return; - - // Check which edge has generated the irq - if ((gpio->IDR & pin) == 0) { - irq_handler(channel_ids[irq_index], IRQ_FALL); - } else { - irq_handler(channel_ids[irq_index], IRQ_RISE); - } -} - -// The irq_index is passed to the function -// EXTI line 0 -static void gpio_irq0(void) -{ - handle_interrupt_in(0); -} -// EXTI line 1 -static void gpio_irq1(void) -{ - handle_interrupt_in(1); -} -// EXTI line 2 -static void gpio_irq2(void) -{ - handle_interrupt_in(2); -} -// EXTI line 3 -static void gpio_irq3(void) -{ - handle_interrupt_in(3); -} -// EXTI line 4 -static void gpio_irq4(void) -{ - handle_interrupt_in(4); -} -// EXTI lines 5 to 9 -static void gpio_irq5(void) -{ - handle_interrupt_in(5); -} -// EXTI lines 10 to 15 -static void gpio_irq6(void) -{ - handle_interrupt_in(6); -} - -extern uint32_t Set_GPIO_Clock(uint32_t port_idx); - -int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id) -{ - IRQn_Type irq_n = (IRQn_Type)0; - uint32_t vector = 0; - uint32_t irq_index; - - if (pin == NC) return -1; - - uint32_t port_index = STM_PORT(pin); - uint32_t pin_index = STM_PIN(pin); - - // Select irq number and interrupt routine - switch (pin_index) { - case 0: - irq_n = EXTI0_IRQn; - vector = (uint32_t)&gpio_irq0; - irq_index = 0; - break; - case 1: - irq_n = EXTI1_IRQn; - vector = (uint32_t)&gpio_irq1; - irq_index = 1; - break; - case 2: - irq_n = EXTI2_TSC_IRQn; - vector = (uint32_t)&gpio_irq2; - irq_index = 2; - break; - case 3: - irq_n = EXTI3_IRQn; - vector = (uint32_t)&gpio_irq3; - irq_index = 3; - break; - case 4: - irq_n = EXTI4_IRQn; - vector = (uint32_t)&gpio_irq4; - irq_index = 4; - break; - case 5: - case 6: - case 7: - case 8: - case 9: - irq_n = EXTI9_5_IRQn; - vector = (uint32_t)&gpio_irq5; - irq_index = 5; - break; - case 10: - case 11: - case 12: - case 13: - case 14: - case 15: - irq_n = EXTI15_10_IRQn; - vector = (uint32_t)&gpio_irq6; - irq_index = 6; - break; - default: - error("InterruptIn error: pin not supported.\n"); - return -1; - } - - // Enable GPIO clock - uint32_t gpio_add = Set_GPIO_Clock(port_index); - - // Configure GPIO - pin_function(pin, STM_PIN_DATA(STM_MODE_IT_FALLING, GPIO_NOPULL, 0)); - - // Enable EXTI interrupt - NVIC_SetVector(irq_n, vector); - NVIC_EnableIRQ(irq_n); - - // Save informations for future use - obj->irq_n = irq_n; - obj->irq_index = irq_index; - obj->event = EDGE_NONE; - obj->pin = pin; - channel_ids[irq_index] = id; - channel_gpio[irq_index] = gpio_add; - channel_pin[irq_index] = pin_index; - - irq_handler = handler; - - return 0; -} - -void gpio_irq_free(gpio_irq_t *obj) -{ - channel_ids[obj->irq_index] = 0; - channel_gpio[obj->irq_index] = 0; - channel_pin[obj->irq_index] = 0; - // Disable EXTI line - pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - obj->event = EDGE_NONE; -} - -void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable) -{ - uint32_t mode = STM_MODE_IT_EVT_RESET; - uint32_t pull = GPIO_NOPULL; - - if (enable) { - if (event == IRQ_RISE) { - if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_RISING_FALLING; - obj->event = EDGE_BOTH; - } else { // NONE or RISE - mode = STM_MODE_IT_RISING; - obj->event = EDGE_RISE; - } - } - if (event == IRQ_FALL) { - if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_RISING_FALLING; - obj->event = EDGE_BOTH; - } else { // NONE or FALL - mode = STM_MODE_IT_FALLING; - obj->event = EDGE_FALL; - } - } - } else { // Disable - if (event == IRQ_RISE) { - if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_FALLING; - obj->event = EDGE_FALL; - } else { // NONE or RISE - mode = STM_MODE_IT_EVT_RESET; - obj->event = EDGE_NONE; - } - } - if (event == IRQ_FALL) { - if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) { - mode = STM_MODE_IT_RISING; - obj->event = EDGE_RISE; - } else { // NONE or FALL - mode = STM_MODE_IT_EVT_RESET; - obj->event = EDGE_NONE; - } - } - } - - pin_function(obj->pin, STM_PIN_DATA(mode, pull, 0)); -} - -void gpio_irq_enable(gpio_irq_t *obj) -{ - NVIC_EnableIRQ(obj->irq_n); -} - -void gpio_irq_disable(gpio_irq_t *obj) -{ - NVIC_DisableIRQ(obj->irq_n); - obj->event = EDGE_NONE; -} diff --git a/libraries/mbed/targets/hal/TARGET_STM/TARGET_DISCO_F303VC/i2c_api.c b/libraries/mbed/targets/hal/TARGET_STM/TARGET_DISCO_F303VC/i2c_api.c deleted file mode 100644 index 4f0965705a..0000000000 --- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_DISCO_F303VC/i2c_api.c +++ /dev/null @@ -1,428 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * 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 "mbed_assert.h" -#include "i2c_api.h" - -#if DEVICE_I2C - -#include "cmsis.h" -#include "pinmap.h" -#include "PeripheralPins.h" - -/* Timeout values for flags and events waiting loops. These timeouts are - not based on accurate values, they just guarantee that the application will - not remain stuck if the I2C communication is corrupted. */ -#define FLAG_TIMEOUT ((int)0x4000) -#define LONG_TIMEOUT ((int)0x8000) - -I2C_HandleTypeDef I2cHandle; - -int i2c1_inited = 0; -int i2c2_inited = 0; - -void i2c_init(i2c_t *obj, PinName sda, PinName scl) -{ - // Determine the I2C to use - I2CName i2c_sda = (I2CName)pinmap_peripheral(sda, PinMap_I2C_SDA); - I2CName i2c_scl = (I2CName)pinmap_peripheral(scl, PinMap_I2C_SCL); - - obj->i2c = (I2CName)pinmap_merge(i2c_sda, i2c_scl); - MBED_ASSERT(obj->i2c != (I2CName)NC); - - // Enable I2C clock and pinout if not done - if ((obj->i2c == I2C_1) && !i2c1_inited) { - i2c1_inited = 1; - __HAL_RCC_I2C1_CONFIG(RCC_I2C1CLKSOURCE_SYSCLK); - __I2C1_CLK_ENABLE(); - // Configure I2C1 pins - pinmap_pinout(sda, PinMap_I2C_SDA); - pinmap_pinout(scl, PinMap_I2C_SCL); - pin_mode(sda, OpenDrain); - pin_mode(scl, OpenDrain); - } - - if ((obj->i2c == I2C_2) && !i2c2_inited) { - i2c2_inited = 1; - __I2C2_CLK_ENABLE(); - // Configure I2C2 pins - pinmap_pinout(sda, PinMap_I2C_SDA); - pinmap_pinout(scl, PinMap_I2C_SCL); - pin_mode(sda, OpenDrain); - pin_mode(scl, OpenDrain); - } - - // Reset to clear pending flags if any - i2c_reset(obj); - - // I2C configuration - i2c_frequency(obj, 100000); // 100 kHz per default -} - -void i2c_frequency(i2c_t *obj, int hz) -{ - uint32_t tim = 0; - - MBED_ASSERT((hz == 100000) || (hz == 400000) || (hz == 1000000)); - - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int timeout; - - // wait before init - timeout = LONG_TIMEOUT; - while((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0)); - - // Update the SystemCoreClock variable. - SystemCoreClockUpdate(); - - /* - Values calculated with I2C_Timing_Configuration_V1.0.1.xls file (see AN4235) - * Standard mode (up to 100 kHz) - * Fast Mode (up to 400 kHz) - * Fast Mode Plus (up to 1 MHz) - Below values obtained with: - - I2C clock source = 64 MHz (System Clock w/ HSI) or 72 (System Clock w/ HSE) - - Analog filter delay = ON - - Digital filter coefficient = 0 - */ - if (SystemCoreClock == 64000000) { - switch (hz) { - case 100000: - tim = 0x10B17DB4; // Standard mode with Rise time = 120ns, Fall time = 120ns - break; - case 400000: - tim = 0x00E22163; // Fast Mode with Rise time = 120ns, Fall time = 120ns - break; - case 1000000: - tim = 0x00A00D1E; // Fast Mode Plus with Rise time = 120ns, Fall time = 10ns - break; - default: - break; - } - } else if (SystemCoreClock == 72000000) { - switch (hz) { - case 100000: - tim = 0x10D28DCB; // Standard mode with Rise time = 120ns, Fall time = 120ns - break; - case 400000: - tim = 0x00F32571; // Fast Mode with Rise time = 120ns, Fall time = 120ns - break; - case 1000000: - tim = 0x00C00D24; // Fast Mode Plus with Rise time = 120ns, Fall time = 10ns - break; - default: - break; - } - } - - // Enable the Fast Mode Plus capability - if (hz == 1000000) { - if (obj->i2c == I2C_1) { - __HAL_SYSCFG_FASTMODEPLUS_ENABLE(HAL_SYSCFG_FASTMODEPLUS_I2C1); - } - if (obj->i2c == I2C_2) { - __HAL_SYSCFG_FASTMODEPLUS_ENABLE(HAL_SYSCFG_FASTMODEPLUS_I2C2); - } - } - - // I2C configuration - I2cHandle.Init.Timing = tim; - I2cHandle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT; - I2cHandle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLED; - I2cHandle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLED; - I2cHandle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLED; - I2cHandle.Init.OwnAddress1 = 0; - I2cHandle.Init.OwnAddress2 = 0; - I2cHandle.Init.OwnAddress2Masks = I2C_OA2_NOMASK; - HAL_I2C_Init(&I2cHandle); -} - -inline int i2c_start(i2c_t *obj) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - int timeout; - - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - - // Clear Acknowledge failure flag - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_AF); - - // Generate the START condition - i2c->CR2 |= I2C_CR2_START; - - // Wait the START condition has been correctly sent - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY) == RESET) { - if ((timeout--) == 0) { - return 1; - } - } - - return 0; -} - -inline int i2c_stop(i2c_t *obj) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - - // Generate the STOP condition - i2c->CR2 |= I2C_CR2_STOP; - - return 0; -} - -int i2c_read(i2c_t *obj, int address, char *data, int length, int stop) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int timeout; - int count; - int value; - - /* update CR2 register */ - i2c->CR2 = (i2c->CR2 & (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP))) - | (uint32_t)(((uint32_t)address & I2C_CR2_SADD) | (((uint32_t)length << 16) & I2C_CR2_NBYTES) | (uint32_t)I2C_SOFTEND_MODE | (uint32_t)I2C_GENERATE_START_READ); - - // Read all bytes - for (count = 0; count < length; count++) { - value = i2c_byte_read(obj, 0); - data[count] = (char)value; - } - - // Wait transfer complete - timeout = LONG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TC) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_TC); - - // If not repeated start, send stop. - if (stop) { - i2c_stop(obj); - /* Wait until STOPF flag is set */ - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_STOPF) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - /* Clear STOP Flag */ - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_STOPF); - } - - return length; -} - -int i2c_write(i2c_t *obj, int address, const char *data, int length, int stop) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int timeout; - int count; - - /* update CR2 register */ - i2c->CR2 = (i2c->CR2 & (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP))) - | (uint32_t)(((uint32_t)address & I2C_CR2_SADD) | (((uint32_t)length << 16) & I2C_CR2_NBYTES) | (uint32_t)I2C_SOFTEND_MODE | (uint32_t)I2C_GENERATE_START_WRITE); - - for (count = 0; count < length; count++) { - i2c_byte_write(obj, data[count]); - } - - // Wait transfer complete - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TC) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_TC); - - // If not repeated start, send stop. - if (stop) { - i2c_stop(obj); - /* Wait until STOPF flag is set */ - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_STOPF) == RESET) { - timeout--; - if (timeout == 0) { - return -1; - } - } - /* Clear STOP Flag */ - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_STOPF); - } - - return count; -} - -int i2c_byte_read(i2c_t *obj, int last) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - int timeout; - - // Wait until the byte is received - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_RXNE) == RESET) { - if ((timeout--) == 0) { - return -1; - } - } - - return (int)i2c->RXDR; -} - -int i2c_byte_write(i2c_t *obj, int data) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - int timeout; - - // Wait until the previous byte is transmitted - timeout = FLAG_TIMEOUT; - while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_TXIS) == RESET) { - if ((timeout--) == 0) { - return 0; - } - } - - i2c->TXDR = (uint8_t)data; - - return 1; -} - -void i2c_reset(i2c_t *obj) -{ - int timeout; - - // wait before reset - timeout = LONG_TIMEOUT; - while((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0)); - - __I2C1_FORCE_RESET(); - __I2C1_RELEASE_RESET(); -} - -#if DEVICE_I2CSLAVE - -void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask) -{ - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - uint16_t tmpreg; - - // disable - i2c->OAR1 &= (uint32_t)(~I2C_OAR1_OA1EN); - // Get the old register value - tmpreg = i2c->OAR1; - // Reset address bits - tmpreg &= 0xFC00; - // Set new address - tmpreg |= (uint16_t)((uint16_t)address & (uint16_t)0x00FE); // 7-bits - // Store the new register value - i2c->OAR1 = tmpreg; - // enable - i2c->OAR1 |= I2C_OAR1_OA1EN; -} - -void i2c_slave_mode(i2c_t *obj, int enable_slave) -{ - - I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); - uint16_t tmpreg; - - // Get the old register value - tmpreg = i2c->OAR1; - - // Enable / disable slave - if (enable_slave == 1) { - tmpreg |= I2C_OAR1_OA1EN; - } else { - tmpreg &= (uint32_t)(~I2C_OAR1_OA1EN); - } - - // Set new mode - i2c->OAR1 = tmpreg; - -} - -// See I2CSlave.h -#define NoData 0 // the slave has not been addressed -#define ReadAddressed 1 // the master has requested a read from this slave (slave = transmitter) -#define WriteGeneral 2 // the master is writing to all slave -#define WriteAddressed 3 // the master is writing to this slave (slave = receiver) - -int i2c_slave_receive(i2c_t *obj) -{ - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - int retValue = NoData; - - if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY) == 1) { - if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_ADDR) == 1) { - if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_DIR) == 1) - retValue = ReadAddressed; - else - retValue = WriteAddressed; - __HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_ADDR); - } - } - - return (retValue); -} - -int i2c_slave_read(i2c_t *obj, char *data, int length) -{ - char size = 0; - - while (size < length) data[size++] = (char)i2c_byte_read(obj, 0); - - return size; -} - -int i2c_slave_write(i2c_t *obj, const char *data, int length) -{ - char size = 0; - I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); - - do { - i2c_byte_write(obj, data[size]); - size++; - } while (size < length); - - return size; -} - - -#endif // DEVICE_I2CSLAVE - -#endif // DEVICE_I2C diff --git a/libraries/mbed/targets/hal/TARGET_STM/TARGET_DISCO_F303VC/serial_api.c b/libraries/mbed/targets/hal/TARGET_STM/TARGET_DISCO_F303VC/serial_api.c deleted file mode 100644 index 42b8e3bbf7..0000000000 --- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_DISCO_F303VC/serial_api.c +++ /dev/null @@ -1,352 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * 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 "mbed_assert.h" -#include "serial_api.h" - -#if DEVICE_SERIAL - -#include "cmsis.h" -#include "pinmap.h" -#include "PeripheralPins.h" -#include - -#define UART_NUM (3) - -static uint32_t serial_irq_ids[UART_NUM] = {0, 0, 0}; - -static uart_irq_handler irq_handler; - -UART_HandleTypeDef UartHandle; - -int stdio_uart_inited = 0; -serial_t stdio_uart; - -static void init_uart(serial_t *obj) -{ - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - - UartHandle.Init.BaudRate = obj->baudrate; - UartHandle.Init.WordLength = obj->databits; - UartHandle.Init.StopBits = obj->stopbits; - UartHandle.Init.Parity = obj->parity; - UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE; - - if (obj->pin_rx == NC) { - UartHandle.Init.Mode = UART_MODE_TX; - } else if (obj->pin_tx == NC) { - UartHandle.Init.Mode = UART_MODE_RX; - } else { - UartHandle.Init.Mode = UART_MODE_TX_RX; - } - - // Disable the reception overrun detection - UartHandle.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_RXOVERRUNDISABLE_INIT; - UartHandle.AdvancedInit.OverrunDisable = UART_ADVFEATURE_OVERRUN_DISABLE; - - HAL_UART_Init(&UartHandle); -} - -void serial_init(serial_t *obj, PinName tx, PinName rx) -{ - // Determine the UART to use (UART_1, UART_2, ...) - UARTName uart_tx = (UARTName)pinmap_peripheral(tx, PinMap_UART_TX); - UARTName uart_rx = (UARTName)pinmap_peripheral(rx, PinMap_UART_RX); - - // Get the peripheral name (UART_1, UART_2, ...) from the pin and assign it to the object - obj->uart = (UARTName)pinmap_merge(uart_tx, uart_rx); - MBED_ASSERT(obj->uart != (UARTName)NC); - - // Enable USART clock + switch to SystemClock - if (obj->uart == UART_1) { - __USART1_CLK_ENABLE(); - __HAL_RCC_USART1_CONFIG(RCC_USART1CLKSOURCE_SYSCLK); - obj->index = 0; - } - if (obj->uart == UART_2) { - __USART2_CLK_ENABLE(); - __HAL_RCC_USART2_CONFIG(RCC_USART2CLKSOURCE_SYSCLK); - obj->index = 1; - } - if (obj->uart == UART_3) { - __USART3_CLK_ENABLE(); - __HAL_RCC_USART3_CONFIG(RCC_USART3CLKSOURCE_SYSCLK); - obj->index = 2; - } - - // Configure the UART pins - pinmap_pinout(tx, PinMap_UART_TX); - pinmap_pinout(rx, PinMap_UART_RX); - if (tx != NC) { - pin_mode(tx, PullUp); - } - if (rx != NC) { - pin_mode(rx, PullUp); - } - - // Configure UART - obj->baudrate = 9600; - obj->databits = UART_WORDLENGTH_8B; - obj->stopbits = UART_STOPBITS_1; - obj->parity = UART_PARITY_NONE; - - obj->pin_tx = tx; - obj->pin_rx = rx; - - init_uart(obj); - - // For stdio management - if (obj->uart == STDIO_UART) { - stdio_uart_inited = 1; - memcpy(&stdio_uart, obj, sizeof(serial_t)); - } -} - -void serial_free(serial_t *obj) -{ - // Reset UART and disable clock - if (obj->uart == UART_1) { - __USART1_FORCE_RESET(); - __USART1_RELEASE_RESET(); - __USART1_CLK_DISABLE(); - } - if (obj->uart == UART_2) { - __USART2_FORCE_RESET(); - __USART2_RELEASE_RESET(); - __USART2_CLK_DISABLE(); - } - if (obj->uart == UART_3) { - __USART3_FORCE_RESET(); - __USART3_RELEASE_RESET(); - __USART3_CLK_DISABLE(); - } - - // Configure GPIOs - pin_function(obj->pin_tx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_rx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - - serial_irq_ids[obj->index] = 0; -} - -void serial_baud(serial_t *obj, int baudrate) -{ - obj->baudrate = baudrate; - init_uart(obj); -} - -void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits) -{ - if (data_bits == 9) { - obj->databits = UART_WORDLENGTH_9B; - } else { - obj->databits = UART_WORDLENGTH_8B; - } - - switch (parity) { - case ParityOdd: - case ParityForced0: - obj->parity = UART_PARITY_ODD; - break; - case ParityEven: - case ParityForced1: - obj->parity = UART_PARITY_EVEN; - break; - default: // ParityNone - obj->parity = UART_PARITY_NONE; - break; - } - - if (stop_bits == 2) { - obj->stopbits = UART_STOPBITS_2; - } else { - obj->stopbits = UART_STOPBITS_1; - } - - init_uart(obj); -} - -/****************************************************************************** - * INTERRUPTS HANDLING - ******************************************************************************/ - -static void uart_irq(UARTName name, int id) -{ - UartHandle.Instance = (USART_TypeDef *)name; - if (serial_irq_ids[id] != 0) { - if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TC) != RESET) { - irq_handler(serial_irq_ids[id], TxIrq); - __HAL_UART_CLEAR_IT(&UartHandle, UART_FLAG_TC); - } - if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) { - irq_handler(serial_irq_ids[id], RxIrq); - volatile uint32_t tmpval = UartHandle.Instance->RDR; // Clear RXNE bit - } - } -} - -static void uart1_irq(void) -{ - uart_irq(UART_1, 0); -} - -static void uart2_irq(void) -{ - uart_irq(UART_2, 1); -} - -static void uart3_irq(void) -{ - uart_irq(UART_3, 2); -} - -void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id) -{ - irq_handler = handler; - serial_irq_ids[obj->index] = id; -} - -void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable) -{ - IRQn_Type irq_n = (IRQn_Type)0; - uint32_t vector = 0; - - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - - if (obj->uart == UART_1) { - irq_n = USART1_IRQn; - vector = (uint32_t)&uart1_irq; - } - - if (obj->uart == UART_2) { - irq_n = USART2_IRQn; - vector = (uint32_t)&uart2_irq; - } - - if (obj->uart == UART_3) { - irq_n = USART3_IRQn; - vector = (uint32_t)&uart3_irq; - } - - if (enable) { - - if (irq == RxIrq) { - __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_RXNE); - } else { // TxIrq - __HAL_UART_ENABLE_IT(&UartHandle, UART_IT_TC); - } - - NVIC_SetVector(irq_n, vector); - NVIC_EnableIRQ(irq_n); - - } else { // disable - - int all_disabled = 0; - - if (irq == RxIrq) { - __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_RXNE); - // Check if TxIrq is disabled too - if ((UartHandle.Instance->CR1 & USART_CR1_TCIE) == 0) all_disabled = 1; - } else { // TxIrq - __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_TC); - // Check if RxIrq is disabled too - if ((UartHandle.Instance->CR1 & USART_CR1_RXNEIE) == 0) all_disabled = 1; - } - - if (all_disabled) NVIC_DisableIRQ(irq_n); - - } -} - -/****************************************************************************** - * READ/WRITE - ******************************************************************************/ - -int serial_getc(serial_t *obj) -{ - USART_TypeDef *uart = (USART_TypeDef *)(obj->uart); - while (!serial_readable(obj)); - if (obj->databits == UART_WORDLENGTH_8B) { - return (int)(uart->RDR & (uint8_t)0xFF); - } else { - return (int)(uart->RDR & (uint16_t)0x1FF); - } -} - -void serial_putc(serial_t *obj, int c) -{ - USART_TypeDef *uart = (USART_TypeDef *)(obj->uart); - while (!serial_writable(obj)); - if (obj->databits == UART_WORDLENGTH_8B) { - uart->TDR = (uint8_t)(c & (uint8_t)0xFF); - } else { - uart->TDR = (uint16_t)(c & (uint16_t)0x1FF); - } -} - -int serial_readable(serial_t *obj) -{ - int status; - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - // Check if data is received - status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) ? 1 : 0); - return status; -} - -int serial_writable(serial_t *obj) -{ - int status; - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - // Check if data is transmitted - status = ((__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TXE) != RESET) ? 1 : 0); - return status; -} - -void serial_clear(serial_t *obj) -{ - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - __HAL_UART_CLEAR_IT(&UartHandle, UART_FLAG_TC); - __HAL_UART_SEND_REQ(&UartHandle, UART_RXDATA_FLUSH_REQUEST); -} - -void serial_pinout_tx(PinName tx) -{ - pinmap_pinout(tx, PinMap_UART_TX); -} - -void serial_break_set(serial_t *obj) -{ - UartHandle.Instance = (USART_TypeDef *)(obj->uart); - HAL_LIN_SendBreak(&UartHandle); -} - -void serial_break_clear(serial_t *obj) -{ -} - -#endif diff --git a/libraries/mbed/targets/hal/TARGET_STM/TARGET_DISCO_F303VC/spi_api.c b/libraries/mbed/targets/hal/TARGET_STM/TARGET_DISCO_F303VC/spi_api.c deleted file mode 100644 index 7eea114271..0000000000 --- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_DISCO_F303VC/spi_api.c +++ /dev/null @@ -1,297 +0,0 @@ -/* mbed Microcontroller Library - ******************************************************************************* - * 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 "mbed_assert.h" -#include "spi_api.h" - -#if DEVICE_SPI - -#include -#include "cmsis.h" -#include "pinmap.h" -#include "PeripheralPins.h" - -static SPI_HandleTypeDef SpiHandle; - -static void init_spi(spi_t *obj) -{ - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - - __HAL_SPI_DISABLE(&SpiHandle); - - SpiHandle.Init.Mode = obj->mode; - SpiHandle.Init.BaudRatePrescaler = obj->br_presc; - SpiHandle.Init.Direction = SPI_DIRECTION_2LINES; - SpiHandle.Init.CLKPhase = obj->cpha; - SpiHandle.Init.CLKPolarity = obj->cpol; - SpiHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED; - SpiHandle.Init.CRCPolynomial = 7; - SpiHandle.Init.DataSize = obj->bits; - SpiHandle.Init.FirstBit = SPI_FIRSTBIT_MSB; - SpiHandle.Init.NSS = obj->nss; - SpiHandle.Init.TIMode = SPI_TIMODE_DISABLED; - - HAL_SPI_Init(&SpiHandle); - - __HAL_SPI_ENABLE(&SpiHandle); -} - -void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel) -{ - // Determine the SPI to use - SPIName spi_mosi = (SPIName)pinmap_peripheral(mosi, PinMap_SPI_MOSI); - SPIName spi_miso = (SPIName)pinmap_peripheral(miso, PinMap_SPI_MISO); - SPIName spi_sclk = (SPIName)pinmap_peripheral(sclk, PinMap_SPI_SCLK); - SPIName spi_ssel = (SPIName)pinmap_peripheral(ssel, PinMap_SPI_SSEL); - - SPIName spi_data = (SPIName)pinmap_merge(spi_mosi, spi_miso); - SPIName spi_cntl = (SPIName)pinmap_merge(spi_sclk, spi_ssel); - - obj->spi = (SPIName)pinmap_merge(spi_data, spi_cntl); - MBED_ASSERT(obj->spi != (SPIName)NC); - - // Enable SPI clock - if (obj->spi == SPI_2) { - __SPI2_CLK_ENABLE(); - } - if (obj->spi == SPI_3) { - __SPI3_CLK_ENABLE(); - } - - // Configure the SPI pins - pinmap_pinout(mosi, PinMap_SPI_MOSI); - pinmap_pinout(miso, PinMap_SPI_MISO); - pinmap_pinout(sclk, PinMap_SPI_SCLK); - - // Save new values - obj->bits = SPI_DATASIZE_8BIT; - obj->cpol = SPI_POLARITY_LOW; - obj->cpha = SPI_PHASE_1EDGE; - obj->br_presc = SPI_BAUDRATEPRESCALER_32; // 1 MHz (HSI) or 1.13 MHz (HSE) - - obj->pin_miso = miso; - obj->pin_mosi = mosi; - obj->pin_sclk = sclk; - obj->pin_ssel = ssel; - - if (ssel == NC) { // SW NSS Master mode - obj->mode = SPI_MODE_MASTER; - obj->nss = SPI_NSS_SOFT; - } else { // Slave - pinmap_pinout(ssel, PinMap_SPI_SSEL); - obj->mode = SPI_MODE_SLAVE; - obj->nss = SPI_NSS_HARD_INPUT; - } - - init_spi(obj); -} - -void spi_free(spi_t *obj) -{ - // Reset SPI and disable clock - if (obj->spi == SPI_2) { - __SPI2_FORCE_RESET(); - __SPI2_RELEASE_RESET(); - __SPI2_CLK_DISABLE(); - } - if (obj->spi == SPI_3) { - __SPI3_FORCE_RESET(); - __SPI3_RELEASE_RESET(); - __SPI3_CLK_DISABLE(); - } - - // Configure GPIOs - pin_function(obj->pin_miso, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_mosi, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_sclk, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); - pin_function(obj->pin_ssel, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); -} - -void spi_format(spi_t *obj, int bits, int mode, int slave) -{ - // Save new values - if (bits == 16) { - obj->bits = SPI_DATASIZE_16BIT; - } else { - obj->bits = SPI_DATASIZE_8BIT; - } - - switch (mode) { - case 0: - obj->cpol = SPI_POLARITY_LOW; - obj->cpha = SPI_PHASE_1EDGE; - break; - case 1: - obj->cpol = SPI_POLARITY_LOW; - obj->cpha = SPI_PHASE_2EDGE; - break; - case 2: - obj->cpol = SPI_POLARITY_HIGH; - obj->cpha = SPI_PHASE_1EDGE; - break; - default: - obj->cpol = SPI_POLARITY_HIGH; - obj->cpha = SPI_PHASE_2EDGE; - break; - } - - if (slave == 0) { - obj->mode = SPI_MODE_MASTER; - obj->nss = SPI_NSS_SOFT; - } else { - obj->mode = SPI_MODE_SLAVE; - obj->nss = SPI_NSS_HARD_INPUT; - } - - init_spi(obj); -} - -void spi_frequency(spi_t *obj, int hz) -{ - // Values depend of APB1CLK : 32 MHz if HSI is used, 36 MHz if HSE is used - if (hz < 250000) { - obj->br_presc = SPI_BAUDRATEPRESCALER_256; // 125 kHz - 141 kHz - } else if ((hz >= 250000) && (hz < 500000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_128; // 250 kHz - 280 kHz - } else if ((hz >= 500000) && (hz < 1000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_64; // 500 kHz - 560 kHz - } else if ((hz >= 1000000) && (hz < 2000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_32; // 1 MHz - 1.13 MHz - } else if ((hz >= 2000000) && (hz < 4000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_16; // 2 MHz - 2.25 MHz - } else if ((hz >= 4000000) && (hz < 8000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_8; // 4 MHz - 4.5 MHz - } else if ((hz >= 8000000) && (hz < 16000000)) { - obj->br_presc = SPI_BAUDRATEPRESCALER_4; // 8 MHz - 9 MHz - } else { // >= 16000000 - obj->br_presc = SPI_BAUDRATEPRESCALER_2; // 16 MHz - 18 MHz - } - - init_spi(obj); -} - -static inline int ssp_readable(spi_t *obj) -{ - int status; - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - // Check if data is received - status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_RXNE) != RESET) ? 1 : 0); - return status; -} - -static inline int ssp_writeable(spi_t *obj) -{ - int status; - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - // Check if data is transmitted - status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_TXE) != RESET) ? 1 : 0); - return status; -} - -static inline void ssp_write(spi_t *obj, int value) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_writeable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - *p_spi_dr = (uint8_t)value; - } else { // SPI_DATASIZE_16BIT - spi->DR = (uint16_t)value; - } -} - -static inline int ssp_read(spi_t *obj) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_readable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - return (int)(*p_spi_dr); - } else { - return (int)spi->DR; - } -} - -static inline int ssp_busy(spi_t *obj) -{ - int status; - SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); - status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_BSY) != RESET) ? 1 : 0); - return status; -} - -int spi_master_write(spi_t *obj, int value) -{ - ssp_write(obj, value); - return ssp_read(obj); -} - -int spi_slave_receive(spi_t *obj) -{ - return ((ssp_readable(obj) && !ssp_busy(obj)) ? 1 : 0); -}; - -int spi_slave_read(spi_t *obj) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_readable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - return (int)(*p_spi_dr); - } else { - return (int)spi->DR; - } -} - -void spi_slave_write(spi_t *obj, int value) -{ - SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); - while (!ssp_writeable(obj)); - if (obj->bits == SPI_DATASIZE_8BIT) { - // Force 8-bit access to the data register - uint8_t *p_spi_dr = 0; - p_spi_dr = (uint8_t *) & (spi->DR); - *p_spi_dr = (uint8_t)value; - } else { // SPI_DATASIZE_16BIT - spi->DR = (uint16_t)value; - } -} - -int spi_busy(spi_t *obj) -{ - return ssp_busy(obj); -} - -#endif diff --git a/libraries/mbed/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F303VC/PeripheralNames.h b/libraries/mbed/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F303VC/PeripheralNames.h index ad058fe05a..619f275f67 100644 --- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F303VC/PeripheralNames.h +++ b/libraries/mbed/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F303VC/PeripheralNames.h @@ -50,8 +50,8 @@ typedef enum { UART_1 = (int)USART1_BASE, UART_2 = (int)USART2_BASE, UART_3 = (int)USART3_BASE, - UART_4 = (int)USART3_BASE, - UART_5 = (int)USART3_BASE + UART_4 = (int)UART4_BASE, + UART_5 = (int)UART5_BASE } UARTName; #define STDIO_UART_TX PA_2 diff --git a/libraries/mbed/targets/hal/TARGET_STM/TARGET_STM32F3/i2c_api.c b/libraries/mbed/targets/hal/TARGET_STM/TARGET_STM32F3/i2c_api.c index 42ea4d57d6..b7e50133c1 100644 --- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_STM32F3/i2c_api.c +++ b/libraries/mbed/targets/hal/TARGET_STM/TARGET_STM32F3/i2c_api.c @@ -79,6 +79,7 @@ void i2c_init(i2c_t *obj, PinName sda, PinName scl) pin_mode(scl, OpenDrain); } +#if defined(I2C3_BASE) if ((obj->i2c == I2C_3) && !i2c3_inited) { i2c3_inited = 1; __I2C3_CLK_ENABLE(); @@ -88,6 +89,7 @@ void i2c_init(i2c_t *obj, PinName sda, PinName scl) pin_mode(sda, OpenDrain); pin_mode(scl, OpenDrain); } +#endif // Reset to clear pending flags if any i2c_reset(obj); @@ -160,9 +162,11 @@ void i2c_frequency(i2c_t *obj, int hz) if (obj->i2c == I2C_2) { __HAL_SYSCFG_FASTMODEPLUS_ENABLE(HAL_SYSCFG_FASTMODEPLUS_I2C2); } +#if defined(I2C3_BASE) if (obj->i2c == I2C_3) { __HAL_SYSCFG_FASTMODEPLUS_ENABLE(HAL_SYSCFG_FASTMODEPLUS_I2C3); } +#endif } // I2C configuration diff --git a/libraries/mbed/targets/hal/TARGET_STM/TARGET_STM32F3/serial_api.c b/libraries/mbed/targets/hal/TARGET_STM/TARGET_STM32F3/serial_api.c index 9205f5d3f1..9c3b5a6b88 100644 --- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_STM32F3/serial_api.c +++ b/libraries/mbed/targets/hal/TARGET_STM/TARGET_STM32F3/serial_api.c @@ -37,9 +37,9 @@ #include #include "PeripheralPins.h" -#define UART_NUM (3) +#define UART_NUM (5) -static uint32_t serial_irq_ids[UART_NUM] = {0, 0, 0}; +static uint32_t serial_irq_ids[UART_NUM] = {0, 0, 0, 0, 0}; static uart_irq_handler irq_handler; @@ -99,16 +99,20 @@ void serial_init(serial_t *obj, PinName tx, PinName rx) __HAL_RCC_USART3_CONFIG(RCC_USART3CLKSOURCE_SYSCLK); obj->index = 2; } +#if defined(UART4_BASE) if (obj->uart == UART_4) { __UART4_CLK_ENABLE(); __HAL_RCC_UART4_CONFIG(RCC_UART4CLKSOURCE_SYSCLK); obj->index = 3; } +#endif +#if defined(UART5_BASE) if (obj->uart == UART_5) { __UART5_CLK_ENABLE(); __HAL_RCC_UART5_CONFIG(RCC_UART5CLKSOURCE_SYSCLK); obj->index = 4; } +#endif // Configure the UART pins pinmap_pinout(tx, PinMap_UART_TX); @@ -156,16 +160,20 @@ void serial_free(serial_t *obj) __USART3_RELEASE_RESET(); __USART3_CLK_DISABLE(); } +#if defined(UART4_BASE) if (obj->uart == UART_4) { __UART4_FORCE_RESET(); __UART4_RELEASE_RESET(); __UART4_CLK_DISABLE(); } +#endif +#if defined(UART5_BASE) if (obj->uart == UART_5) { __UART5_FORCE_RESET(); __UART5_RELEASE_RESET(); __UART5_CLK_DISABLE(); } +#endif // Configure GPIOs pin_function(obj->pin_tx, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); @@ -245,15 +253,19 @@ static void uart3_irq(void) uart_irq(UART_3, 2); } +#if defined(UART4_BASE) static void uart4_irq(void) { uart_irq(UART_4, 3); } +#endif +#if defined(UART5_BASE) static void uart5_irq(void) { uart_irq(UART_5, 4); } +#endif void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id) { @@ -283,15 +295,19 @@ void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable) vector = (uint32_t)&uart3_irq; } +#if defined(UART4_BASE) if (obj->uart == UART_4) { irq_n = UART4_IRQn; vector = (uint32_t)&uart4_irq; } +#endif +#if defined(UART5_BASE) if (obj->uart == UART_5) { irq_n = UART5_IRQn; vector = (uint32_t)&uart5_irq; } +#endif if (enable) { diff --git a/libraries/mbed/targets/hal/TARGET_STM/TARGET_STM32F3/spi_api.c b/libraries/mbed/targets/hal/TARGET_STM/TARGET_STM32F3/spi_api.c index e05cbce570..3993e0a17e 100644 --- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_STM32F3/spi_api.c +++ b/libraries/mbed/targets/hal/TARGET_STM/TARGET_STM32F3/spi_api.c @@ -81,13 +81,17 @@ void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel __SPI1_CLK_ENABLE(); } +#if defined(SPI2_BASE) if (obj->spi == SPI_2) { __SPI2_CLK_ENABLE(); } +#endif +#if defined(SPI3_BASE) if (obj->spi == SPI_3) { __SPI3_CLK_ENABLE(); } +#endif // Configure the SPI pins pinmap_pinout(mosi, PinMap_SPI_MOSI); @@ -98,7 +102,11 @@ void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel obj->bits = SPI_DATASIZE_8BIT; obj->cpol = SPI_POLARITY_LOW; obj->cpha = SPI_PHASE_1EDGE; - obj->br_presc = SPI_BAUDRATEPRESCALER_32; +#if defined(TARGET_STM32F334C8) + obj->br_presc = SPI_BAUDRATEPRESCALER_256; +#else + obj->br_presc = SPI_BAUDRATEPRESCALER_32; // 1 MHz (HSI) or 1.13 MHz (HSE) +#endif obj->pin_miso = miso; obj->pin_mosi = mosi; @@ -126,17 +134,21 @@ void spi_free(spi_t *obj) __SPI1_CLK_DISABLE(); } +#if defined(SPI2_BASE) if (obj->spi == SPI_2) { __SPI2_FORCE_RESET(); __SPI2_RELEASE_RESET(); __SPI2_CLK_DISABLE(); } +#endif +#if defined(SPI3_BASE) if (obj->spi == SPI_3) { __SPI3_FORCE_RESET(); __SPI3_RELEASE_RESET(); __SPI3_CLK_DISABLE(); } +#endif // Configure GPIOs pin_function(obj->pin_miso, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); @@ -186,6 +198,26 @@ void spi_format(spi_t *obj, int bits, int mode, int slave) void spi_frequency(spi_t *obj, int hz) { +#if defined(TARGET_STM32F334C8) + // Values depend of APB2CLK : 64 MHz if HSI is used, 72 MHz if HSE is used + if (hz < 500000) { + obj->br_presc = SPI_BAUDRATEPRESCALER_256; // 250 kHz - 281 kHz + } else if ((hz >= 500000) && (hz < 1000000)) { + obj->br_presc = SPI_BAUDRATEPRESCALER_128; // 500 kHz - 563 kHz + } else if ((hz >= 1000000) && (hz < 2000000)) { + obj->br_presc = SPI_BAUDRATEPRESCALER_64; // 1 MHz - 1.13 MHz + } else if ((hz >= 2000000) && (hz < 4000000)) { + obj->br_presc = SPI_BAUDRATEPRESCALER_32; // 2 MHz - 2.25 MHz + } else if ((hz >= 4000000) && (hz < 8000000)) { + obj->br_presc = SPI_BAUDRATEPRESCALER_16; // 4 MHz - 4.5 MHz + } else if ((hz >= 8000000) && (hz < 16000000)) { + obj->br_presc = SPI_BAUDRATEPRESCALER_8; // 8 MHz - 9 MHz + } else if ((hz >= 16000000) && (hz < 32000000)) { + obj->br_presc = SPI_BAUDRATEPRESCALER_4; // 16 MHz - 18 MHz + } else { // >= 32000000 + obj->br_presc = SPI_BAUDRATEPRESCALER_2; // 32 MHz - 36 MHz + } +#else // Values depend of APB1CLK and APB2CLK : 32 MHz if HSI is used, 36 MHz if HSE is used if (obj->spi == SPI_1) { if (hz < 500000) { @@ -224,6 +256,7 @@ void spi_frequency(spi_t *obj, int hz) obj->br_presc = SPI_BAUDRATEPRESCALER_2; // 16 MHz - 18 MHz } } +#endif init_spi(obj); }