/**
* @brief SMARTCARD MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* - NVIC configuration
* @param hsmartcard: SmartCard handle pointer
* @retval None
*/
void HAL_SMARTCARD_MspInit(SMARTCARD_HandleTypeDef *hsc)
{
GPIO_InitTypeDef GPIO_InitStruct;
/* Enable Smartcard GPIO clocks */
SC_USART_TX_CLK_ENABLE();
SC_USART_CK_CLK_ENABLE();
/* Enable SmartCard clock */
SC_USART_CLK_ENABLE();
__HAL_RCC_AFIO_CLK_ENABLE();
__HAL_AFIO_REMAP_USART3_ENABLE();
/* Configure USART Clock pin as alternate function push-pull */
GPIO_InitStruct.Pin = SC_USART_CK_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
GPIO_InitStruct.Pull = GPIO_PULLUP;
HAL_GPIO_Init(SC_USART_CK_GPIO_PORT, &GPIO_InitStruct);
/* Configure USART Tx pin as alternate function open-drain */
GPIO_InitStruct.Pin = SC_USART_TX_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
HAL_GPIO_Init(SC_USART_TX_GPIO_PORT, &GPIO_InitStruct);
/* Enable SC_USART IRQ */
HAL_NVIC_SetPriority(SC_USART_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(SC_USART_IRQn);
}
/*====================================================================================================*/
void GPIO_Config( void )
{
GPIO_InitTypeDef GPIO_InitStruct;
/* GPIO Clk Init *************************************************************/
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_AFIO_CLK_ENABLE();
__HAL_AFIO_REMAP_SWJ_NOJTAG();
/* LED_B PC13 */ /* LED_G PC14 */ /* LED_R PC15 */
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
GPIO_InitStruct.Pin = GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
/* KEY_WU PA0 */ /* KEY_BO PB2 */
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
GPIO_InitStruct.Pin = GPIO_PIN_0;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_2;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
// Init
LED_R_Set;
LED_G_Set;
LED_B_Set;
}
/**
* Initializes the Global MSP.
*/
void HAL_MspInit(void)
{
/* USER CODE BEGIN MspInit 0 */
/* USER CODE END MspInit 0 */
__HAL_RCC_AFIO_CLK_ENABLE();
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
/* System interrupt init*/
/* MemoryManagement_IRQn interrupt configuration */
HAL_NVIC_SetPriority(MemoryManagement_IRQn, 0, 0);
/* BusFault_IRQn interrupt configuration */
HAL_NVIC_SetPriority(BusFault_IRQn, 0, 0);
/* UsageFault_IRQn interrupt configuration */
HAL_NVIC_SetPriority(UsageFault_IRQn, 0, 0);
/* DebugMonitor_IRQn interrupt configuration */
HAL_NVIC_SetPriority(DebugMonitor_IRQn, 0, 0);
/* SysTick_IRQn interrupt configuration */
HAL_NVIC_SetPriority(SysTick_IRQn, 2, 0);
/* USER CODE BEGIN MspInit 1 */
/* USER CODE END MspInit 1 */
}
/**
* @brief UART MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* @param huart: UART handle pointer
* @retval None
*/
void HAL_UART_MspInit(UART_HandleTypeDef *huart)
{
GPIO_InitTypeDef GPIO_InitStruct;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO TX/RX clock */
USARTx_TX_GPIO_CLK_ENABLE();
USARTx_RX_GPIO_CLK_ENABLE();
__HAL_RCC_AFIO_CLK_ENABLE();
AFIO->MAPR |= AFIO_MAPR_USART2_REMAP;
/* Enable USARTx clock */
USARTx_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* UART TX GPIO pin configuration */
GPIO_InitStruct.Pin = USARTx_TX_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(USARTx_TX_GPIO_PORT, &GPIO_InitStruct);
/* UART RX GPIO pin configuration */
GPIO_InitStruct.Pin = USARTx_RX_PIN;
HAL_GPIO_Init(USARTx_RX_GPIO_PORT, &GPIO_InitStruct);
}
/**
* Initializes the Global MSP.
*/
void HAL_MspInit(void)
{
/* USER CODE BEGIN MspInit 0 */
/* USER CODE END MspInit 0 */
__HAL_RCC_AFIO_CLK_ENABLE();
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
/* System interrupt init*/
/* MemoryManagement_IRQn interrupt configuration */
HAL_NVIC_SetPriority(MemoryManagement_IRQn, 0, 0);
/* BusFault_IRQn interrupt configuration */
HAL_NVIC_SetPriority(BusFault_IRQn, 0, 0);
/* UsageFault_IRQn interrupt configuration */
HAL_NVIC_SetPriority(UsageFault_IRQn, 0, 0);
/* SVCall_IRQn interrupt configuration */
HAL_NVIC_SetPriority(SVCall_IRQn, 0, 0);
/* DebugMonitor_IRQn interrupt configuration */
HAL_NVIC_SetPriority(DebugMonitor_IRQn, 0, 0);
/* PendSV_IRQn interrupt configuration */
HAL_NVIC_SetPriority(PendSV_IRQn, 0, 0);
/* SysTick_IRQn interrupt configuration */
HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
/**DISABLE: JTAG-DP Disabled and SW-DP Disabled
*/
__HAL_AFIO_REMAP_SWJ_DISABLE();
/* USER CODE BEGIN MspInit 1 */
/* USER CODE END MspInit 1 */
}
/**
* @brief Configures TIM5 to measure the LSI oscillator frequency.
* @param None
* @retval LSI Frequency
*/
static uint32_t GetLSIFrequency(void)
{
TIM_IC_InitTypeDef TIMInput_Config;
/* Configure the TIM peripheral *********************************************/
/* Set TIMx instance */
Input_Handle.Instance = TIM5;
/* TIM5 configuration: Input Capture mode ---------------------
The LSI oscillator is connected to TIM5 TIM_CHANNEL_4.
The Rising edge is used as active edge.
The TIM5 CCR TIM_CHANNEL_4 is used to compute the frequency value.
------------------------------------------------------------ */
Input_Handle.Init.Prescaler = 0;
Input_Handle.Init.CounterMode = TIM_COUNTERMODE_UP;
Input_Handle.Init.Period = 0xFFFF;
Input_Handle.Init.ClockDivision = 0;
if(HAL_TIM_IC_Init(&Input_Handle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/* Connect internally the TIM5 TIM_CHANNEL_4 Input Capture to the LSI clock output */
__HAL_RCC_AFIO_CLK_ENABLE();
__HAL_AFIO_REMAP_TIM5CH4_ENABLE();
/* Configure the Input Capture of TIM_CHANNEL_4 */
TIMInput_Config.ICPolarity = TIM_ICPOLARITY_RISING;
TIMInput_Config.ICSelection = TIM_ICSELECTION_DIRECTTI;
TIMInput_Config.ICPrescaler = TIM_ICPSC_DIV8;
TIMInput_Config.ICFilter = 0;
if(HAL_TIM_IC_ConfigChannel(&Input_Handle, &TIMInput_Config, TIM_CHANNEL_4) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/* Start the TIM Input Capture measurement in interrupt mode */
if(HAL_TIM_IC_Start_IT(&Input_Handle, TIM_CHANNEL_4) != HAL_OK)
{
Error_Handler();
}
/* Wait until the TIM5 get 2 LSI edges */
while(uwCaptureNumber != 2)
{
}
/* Disable TIM5 CC1 Interrupt Request */
HAL_TIM_IC_Stop_IT(&Input_Handle, TIM_CHANNEL_4);
/* Deinitialize the TIM5 peripheral registers to their default reset values */
HAL_TIM_IC_DeInit(&Input_Handle);
return uwLsiFreq;
}
/**
* Initializes the Global MSP.
*/
void HAL_MspInit(void)
{
/* USER CODE BEGIN MspInit 0 */
/* USER CODE END MspInit 0 */
__HAL_RCC_AFIO_CLK_ENABLE()
;
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_0);
/* System interrupt init*/
/* SysTick_IRQn interrupt configuration */
HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
}
void RCC_Configuration()
{
#if (PREFETCH_ENABLE != 0)
__HAL_FLASH_PREFETCH_BUFFER_ENABLE();
#endif
__HAL_RCC_BKP_CLK_ENABLE();
__HAL_RCC_PWR_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_I2C1_CLK_ENABLE();
__HAL_RCC_DMA1_CLK_ENABLE();
__HAL_RCC_USART1_CLK_ENABLE();
__HAL_RCC_AFIO_CLK_ENABLE();
}
/**
* Initializes the Global MSP.
*/
void HAL_MspInit(void)
{
/* USER CODE BEGIN MspInit 0 */
/* USER CODE END MspInit 0 */
__HAL_RCC_AFIO_CLK_ENABLE();
__HAL_RCC_PWR_CLK_ENABLE();
/* System interrupt init*/
/**NOJTAG: JTAG-DP Disabled and SW-DP Enabled
*/
__HAL_AFIO_REMAP_SWJ_NOJTAG();
/* USER CODE BEGIN MspInit 1 */
/* USER CODE END MspInit 1 */
}
/**
* Initializes the Global MSP.
*/
void HAL_MspInit(void)
{
/* USER CODE BEGIN MspInit 0 */
/* USER CODE END MspInit 0 */
__HAL_RCC_AFIO_CLK_ENABLE();
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
/* System interrupt init*/
/* SysTick_IRQn interrupt configuration */
HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
/**NOJTAG: JTAG-DP Disabled and SW-DP Enabled
*/
__HAL_AFIO_REMAP_SWJ_NOJTAG();
/* USER CODE BEGIN MspInit 1 */
/* USER CODE END MspInit 1 */
}
/**
* Initializes the Global MSP.
*/
void HAL_MspInit(void)
{
/* USER CODE BEGIN MspInit 0 */
/* USER CODE END MspInit 0 */
__HAL_RCC_AFIO_CLK_ENABLE();
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
/* System interrupt init*/
/* SysTick_IRQn interrupt configuration */
HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
/**ENABLE: Full SWJ (JTAG-DP + SW-DP): Reset State
*/
__HAL_AFIO_REMAP_SWJ_ENABLE();
/* USER CODE BEGIN MspInit 1 */
/* USER CODE END MspInit 1 */
}
void Init_BMP085 (void)
{
GPIO_InitTypeDef GPIO_InitStruct;
__I2C1_CLK_ENABLE();
__GPIOB_CLK_ENABLE();
__HAL_RCC_AFIO_CLK_ENABLE();
// Init I2C
GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_8;
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
__HAL_AFIO_REMAP_I2C1_ENABLE();
hi2c2.Instance = I2C1;
hi2c2.Init.ClockSpeed = 100000;
hi2c2.Init.DutyCycle = I2C_DUTYCYCLE_2;
hi2c2.Init.OwnAddress1 = 0;
hi2c2.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
hi2c2.Init.DualAddressMode = I2C_DUALADDRESS_DISABLED;
hi2c2.Init.OwnAddress2 = 0;
hi2c2.Init.GeneralCallMode = I2C_GENERALCALL_DISABLED;
hi2c2.Init.NoStretchMode = I2C_NOSTRETCH_DISABLED;
HAL_I2C_Init(&hi2c2);
I2Cdev_hi2c = &hi2c2; // init of i2cdevlib.
// You can select other i2c device anytime and
// call the same driver functions on other sensors
while(!BMP085_testConnection()) ;
BMP085_initialize();
}
/** System Clock Configuration
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK|RCC_CLOCKTYPE_PCLK1;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2);
__HAL_RCC_AFIO_CLK_ENABLE();
}
/**
* @brief UART MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* - DMA configuration for transmission request by peripheral
* - NVIC configuration for DMA interrupt request enable
* @param huart: UART handle pointer
* @retval None
*/
void HAL_UART_MspInit(UART_HandleTypeDef *huart)
{
static DMA_HandleTypeDef hdma_tx;
static DMA_HandleTypeDef hdma_rx;
GPIO_InitTypeDef GPIO_InitStruct;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO TX/RX clock */
USARTx_TX_GPIO_CLK_ENABLE();
USARTx_RX_GPIO_CLK_ENABLE();
__HAL_RCC_AFIO_CLK_ENABLE();
AFIO->MAPR |= AFIO_MAPR_USART2_REMAP;
/* Enable USARTx clock */
USARTx_CLK_ENABLE();
/* Enable DMA clock */
DMAx_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* UART TX GPIO pin configuration */
GPIO_InitStruct.Pin = USARTx_TX_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(USARTx_TX_GPIO_PORT, &GPIO_InitStruct);
/* UART RX GPIO pin configuration */
GPIO_InitStruct.Pin = USARTx_RX_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
HAL_GPIO_Init(USARTx_RX_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the DMA ##################################################*/
/* Configure the DMA handler for Transmission process */
hdma_tx.Instance = USARTx_TX_DMA_CHANNEL;
hdma_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_tx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_tx.Init.MemInc = DMA_MINC_ENABLE;
hdma_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_tx.Init.Mode = DMA_NORMAL;
hdma_tx.Init.Priority = DMA_PRIORITY_LOW;
HAL_DMA_Init(&hdma_tx);
/* Associate the initialized DMA handle to the UART handle */
__HAL_LINKDMA(huart, hdmatx, hdma_tx);
/* Configure the DMA handler for reception process */
hdma_rx.Instance = USARTx_RX_DMA_CHANNEL;
hdma_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_rx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_rx.Init.MemInc = DMA_MINC_ENABLE;
hdma_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_rx.Init.Mode = DMA_NORMAL;
hdma_rx.Init.Priority = DMA_PRIORITY_HIGH;
HAL_DMA_Init(&hdma_rx);
/* Associate the initialized DMA handle to the the UART handle */
__HAL_LINKDMA(huart, hdmarx, hdma_rx);
/*##-4- Configure the NVIC for DMA #########################################*/
/* NVIC configuration for DMA transfer complete interrupt (USART2_TX) */
HAL_NVIC_SetPriority(USARTx_DMA_TX_IRQn, 0, 1);
HAL_NVIC_EnableIRQ(USARTx_DMA_TX_IRQn);
/* NVIC configuration for DMA transfer complete interrupt (USART2_RX) */
HAL_NVIC_SetPriority(USARTx_DMA_RX_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(USARTx_DMA_RX_IRQn);
/* NVIC for USART, to catch the TX complete */
HAL_NVIC_SetPriority(USARTx_IRQn, 0, 1);
HAL_NVIC_EnableIRQ(USARTx_IRQn);
}
/**
* Configure pin (input, output, alternate function or analog) + output speed + AF
*/
void pin_function(PinName pin, int data)
{
MBED_ASSERT(pin != (PinName)NC);
// Get the pin informations
uint32_t mode = STM_PIN_MODE(data);
uint32_t pupd = STM_PIN_PUPD(data);
uint32_t afnum = STM_PIN_AFNUM(data);
uint32_t port_index = STM_PORT(pin);
uint32_t pin_index = STM_PIN(pin);
// Enable GPIO clock
uint32_t gpio_add = Set_GPIO_Clock(port_index);
GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
// Enable AFIO clock
__HAL_RCC_AFIO_CLK_ENABLE();
// Configure Alternate Function
// Warning: Must be done before the GPIO is initialized
if (afnum > 0) {
switch (afnum) {
case 1: // Remap SPI1
__HAL_AFIO_REMAP_SPI1_ENABLE();
break;
case 2: // Remap I2C1
__HAL_AFIO_REMAP_I2C1_ENABLE();
break;
case 3: // Remap USART1
__HAL_AFIO_REMAP_USART1_ENABLE();
break;
case 4: // Remap USART2
__HAL_AFIO_REMAP_USART2_ENABLE();
break;
case 5: // Partial Remap USART3
__HAL_AFIO_REMAP_USART3_PARTIAL();
break;
case 6: // Partial Remap TIM1
__HAL_AFIO_REMAP_TIM1_PARTIAL();
break;
case 7: // Partial Remap TIM3
__HAL_AFIO_REMAP_TIM3_PARTIAL();
break;
case 8: // Full Remap TIM2
__HAL_AFIO_REMAP_TIM2_ENABLE();
break;
case 9: // Full Remap TIM3
__HAL_AFIO_REMAP_TIM3_ENABLE();
break;
default:
break;
}
}
// Configure GPIO
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.Pin = (uint32_t)(1 << pin_index);
GPIO_InitStructure.Mode = gpio_mode[mode];
GPIO_InitStructure.Pull = pupd;
GPIO_InitStructure.Speed = GPIO_SPEED_HIGH;
HAL_GPIO_Init(gpio, &GPIO_InitStructure);
// Disconnect JTAG-DP + SW-DP signals.
// Warning: Need to reconnect under reset
if ((pin == PA_13) || (pin == PA_14)) {
__HAL_AFIO_REMAP_SWJ_DISABLE(); // JTAG-DP Disabled and SW-DP Disabled
}
if ((pin == PA_15) || (pin == PB_3) || (pin == PB_4)) {
__HAL_AFIO_REMAP_SWJ_NOJTAG(); // JTAG-DP Disabled and SW-DP enabled
}
}
/**
* @brief Configures TIM5 to measure the LSI oscillator frequency.
* @param None
* @retval LSI Frequency
*/
static uint32_t GetLSIFrequency(void)
{
uint32_t pclk1 = 0, latency = 0;
TIM_IC_InitTypeDef timinputconfig = {0};
RCC_OscInitTypeDef oscinit = {0};
RCC_ClkInitTypeDef clkinit = {0};
/* Enable LSI Oscillator */
oscinit.OscillatorType = RCC_OSCILLATORTYPE_LSI;
oscinit.LSIState = RCC_LSI_ON;
oscinit.PLL.PLLState = RCC_PLL_NONE;
if (HAL_RCC_OscConfig(&oscinit)!= HAL_OK)
{
Error_Handler();
}
/* Configure the TIM peripheral */
/* Set TIMx instance */
TimInputCaptureHandle.Instance = TIMx;
/* TIMx configuration: Input Capture mode ---------------------
The LSI clock is connected to TIM5 CH4.
The Rising edge is used as active edge.
The TIM5 CCR4 is used to compute the frequency value.
------------------------------------------------------------ */
TimInputCaptureHandle.Init.Prescaler = 0;
TimInputCaptureHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimInputCaptureHandle.Init.Period = 0xFFFF;
TimInputCaptureHandle.Init.ClockDivision = 0;
TimInputCaptureHandle.Init.RepetitionCounter = 0;
if (HAL_TIM_IC_Init(&TimInputCaptureHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/* Connect internally the TIM5 CH4 Input Capture to the LSI clock output */
__HAL_RCC_AFIO_CLK_ENABLE();
__HAL_AFIO_REMAP_TIM5CH4_ENABLE();
/* Configure the Input Capture of channel 4 */
timinputconfig.ICPolarity = TIM_ICPOLARITY_RISING;
timinputconfig.ICSelection = TIM_ICSELECTION_DIRECTTI;
timinputconfig.ICPrescaler = TIM_ICPSC_DIV8;
timinputconfig.ICFilter = 0;
if (HAL_TIM_IC_ConfigChannel(&TimInputCaptureHandle, &timinputconfig, TIM_CHANNEL_4) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/* Reset the flags */
TimInputCaptureHandle.Instance->SR = 0;
/* Start the TIM Input Capture measurement in interrupt mode */
if (HAL_TIM_IC_Start_IT(&TimInputCaptureHandle, TIM_CHANNEL_4) != HAL_OK)
{
/* Starting Error */
Error_Handler();
}
/* Wait until the TIM5 get 2 LSI edges (refer to TIM5_IRQHandler() in
stm32f1xx_it.c file) */
while (uwMeasurementDone == 0)
{
}
uwCaptureNumber = 0;
/* Deinitialize the TIM5 peripheral registers to their default reset values */
HAL_TIM_IC_DeInit(&TimInputCaptureHandle);
/* Compute the LSI frequency, depending on TIM5 input clock frequency (PCLK1)*/
/* Get PCLK1 frequency */
pclk1 = HAL_RCC_GetPCLK1Freq();
HAL_RCC_GetClockConfig(&clkinit, &latency);
/* Get PCLK1 prescaler */
if ((clkinit.APB1CLKDivider) == RCC_HCLK_DIV1)
{
/* PCLK1 prescaler equal to 1 => TIMCLK = PCLK1 */
return ((pclk1 / uwPeriodValue) * 8);
}
else
{
/* PCLK1 prescaler different from 1 => TIMCLK = 2 * PCLK1 */
return (((2 * pclk1) / uwPeriodValue) * 8) ;
}
}
void Fan::init()
{
GPIO_InitTypeDef GPIO_InitStruct;
TIM_OC_InitTypeDef TIM_InitStruct;
if (fan_index == 0){
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_AFIO_CLK_ENABLE();
AFIO->MAPR |= AFIO_MAPR_TIM3_REMAP_FULLREMAP;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL; ///内部不做上下拉电阻
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
///PWM时钟配置
__HAL_RCC_TIM3_CLK_ENABLE();
TIM_PWM_HandleStruct.Instance = TIM3;
TIM_PWM_HandleStruct.Init.Prescaler = (uint32_t) (SystemCoreClock / 2000000) - 1;
TIM_PWM_HandleStruct.Init.Period = 65534; ///总共255
TIM_PWM_HandleStruct.Init.ClockDivision = 0;
TIM_PWM_HandleStruct.Init.CounterMode = TIM_COUNTERMODE_UP;
HAL_TIM_PWM_Init(&TIM_PWM_HandleStruct);
TIM_InitStruct.OCMode = TIM_OCMODE_PWM1;
TIM_InitStruct.OCPolarity = TIM_OCPOLARITY_HIGH;
TIM_InitStruct.OCFastMode = TIM_OCFAST_DISABLE;
TIM_InitStruct.Pulse = 0;
HAL_TIM_PWM_ConfigChannel(&TIM_PWM_HandleStruct, &TIM_InitStruct, TIM_CHANNEL_1);
// __HAL_RCC_GPIOC_CLK_ENABLE();
//
// GPIO_InitStruct.Pin = GPIO_PIN_8;
// GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
// GPIO_InitStruct.Pull = GPIO_NOPULL; ///内部不做上下拉电阻
// GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
// GPIO_InitStruct.Alternate = GPIO_AF2_TIM3;
// HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
//
//
// ///PWM时钟配置
// __HAL_RCC_TIM3_CLK_ENABLE();
// TIM_PWM_HandleStruct.Instance = TIM3;
// TIM_PWM_HandleStruct.Init.Prescaler = (uint32_t) (SystemCoreClock / 2000000) - 1;
// TIM_PWM_HandleStruct.Init.Period = 65534; ///总共255
// TIM_PWM_HandleStruct.Init.ClockDivision = 0;
// TIM_PWM_HandleStruct.Init.CounterMode = TIM_COUNTERMODE_UP;
// HAL_TIM_PWM_Init(&TIM_PWM_HandleStruct);
//
// TIM_InitStruct.OCMode = TIM_OCMODE_PWM1;
// TIM_InitStruct.OCPolarity = TIM_OCPOLARITY_HIGH;
// TIM_InitStruct.OCFastMode = TIM_OCFAST_DISABLE;
// TIM_InitStruct.Pulse = 0;
//
// HAL_TIM_PWM_ConfigChannel(&TIM_PWM_HandleStruct, &TIM_InitStruct, TIM_CHANNEL_3);
}
else if (fan_index == 1){
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_AFIO_CLK_ENABLE();
AFIO->MAPR |= AFIO_MAPR_TIM3_REMAP_FULLREMAP;
GPIO_InitStruct.Pin = GPIO_PIN_7;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL; ///内部不做上下拉电阻
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
///PWM时钟配置
__HAL_RCC_TIM3_CLK_ENABLE();
TIM_PWM_HandleStruct.Instance = TIM3;
TIM_PWM_HandleStruct.Init.Prescaler = (uint32_t) (SystemCoreClock /2/2000000) - 1;
TIM_PWM_HandleStruct.Init.Period = 65534; ///总共255
TIM_PWM_HandleStruct.Init.ClockDivision = 0;
TIM_PWM_HandleStruct.Init.CounterMode = TIM_COUNTERMODE_UP;
HAL_TIM_PWM_Init(&TIM_PWM_HandleStruct);
TIM_InitStruct.OCMode = TIM_OCMODE_PWM1;
TIM_InitStruct.OCPolarity = TIM_OCPOLARITY_HIGH;
TIM_InitStruct.OCFastMode = TIM_OCFAST_DISABLE;
TIM_InitStruct.Pulse = 0;
HAL_TIM_PWM_ConfigChannel(&TIM_PWM_HandleStruct, &TIM_InitStruct, TIM_CHANNEL_2);
}
fan_init = 1;
}
