/*****************************************************************
* ADC MSP initialization
*
* This function configures the hardware resources used in this example:
* - Enable clock of ADC peripheral
* - Configure the GPIO associated to the peripheral channels
* - Configure the DMA associated to the peripheral
* - Configure the NVIC associated to the peripheral interruptions
* @param hadc: ADC handle pointer
* @retval None
*/
void HAL_ADC_MspInit (ADC_HandleTypeDef *hadc)
{
GPIO_InitTypeDef GPIO_InitStruct;
DMA_HandleTypeDef DmaHandle;
/*##-1- Enable peripherals and GPIO Clocks ###################*/
/* Enable clock of GPIO associated to the peripheral channels */
ADCx_CHANNELa_GPIO_CLK_ENABLE();
/* Enable clock of ADCx peripheral */
ADCx_CLK_ENABLE();
/* ADC Periph interface clock configuration */
__HAL_RCC_ADC_CONFIG(RCC_ADCCLKSOURCE_SYSCLK);
/* Enable clock of DMA associated to the peripheral */
ADCx_DMA_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ############################*/
/* Configure GPIO pin of the selected ADC channel */
GPIO_InitStruct.Pin = ADCx_CHANNELa_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG_ADC_CONTROL;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(ADCx_CHANNELa_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the DMA ####################################*/
/* Configure DMA parameters */
DmaHandle.Instance = ADCx_DMA;
DmaHandle.Init.Request = DMA_REQUEST_0;
DmaHandle.Init.Direction = DMA_PERIPH_TO_MEMORY;
DmaHandle.Init.PeriphInc = DMA_PINC_DISABLE;
DmaHandle.Init.MemInc = DMA_MINC_ENABLE;
DmaHandle.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD; /* Transfer from ADC by half-word to match with ADC configuration: ADC resolution 10 or 12 bits */
DmaHandle.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD; /* Transfer to memory by half-word to match with buffer variable type: half-word */
DmaHandle.Init.Mode = DMA_CIRCULAR; /* DMA in circular mode to match with ADC configuration: DMA continuous requests */
DmaHandle.Init.Priority = DMA_PRIORITY_HIGH;
/* Deinitialize & Initialize the DMA for new transfer */
HAL_DMA_DeInit(&DmaHandle);
HAL_DMA_Init(&DmaHandle);
/* Associate the initialized DMA handle to the ADC handle */
__HAL_LINKDMA(hadc, DMA_Handle, DmaHandle);
/*##-4- Configure the NVIC #########################################*/
/* NVIC configuration for DMA interrupt (transfer completion or error) */
/* Priority: high-priority */
HAL_NVIC_SetPriority(ADCx_DMA_IRQn, 1, 0);
HAL_NVIC_EnableIRQ(ADCx_DMA_IRQn);
/* NVIC configuration for ADC interrupt */
/* Priority: high-priority */
HAL_NVIC_SetPriority(ADCx_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(ADCx_IRQn);
}
/**
* @brief ADC MSP initialization
* This function configures the hardware resources used in this example:
* - Enable clock of ADC peripheral
* - Configure the GPIO associated to the peripheral channels
* - Configure the DMA associated to the peripheral
* - Configure the NVIC associated to the peripheral interruptions
* @param hadc: ADC handle pointer
* @retval None
*/
void HAL_ADC_MspInit(ADC_HandleTypeDef *hadc)
{
GPIO_InitTypeDef GPIO_InitStruct;
RCC_OscInitTypeDef RCC_OscInitStructure;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable clock of GPIO associated to the peripheral channels */
ADCx_CHANNELa_GPIO_CLK_ENABLE();
/* Enable clock of ADCx peripheral */
ADCx_CLK_ENABLE();
/* Note: STM32L0 ADC is using a dedicated asynchronous clock derived */
/* from HSI RC oscillator 16MHz. */
/* The clock source has to be enabled at RCC top level using function */
/* "HAL_RCC_OscConfig()" (see comments in stm32l0_hal_adc.c header) */
/* Enable asynchronous clock source of ADCx */
HAL_RCC_GetOscConfig(&RCC_OscInitStructure);
RCC_OscInitStructure.OscillatorType = RCC_OSCILLATORTYPE_HSI;
RCC_OscInitStructure.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
RCC_OscInitStructure.HSIState = RCC_HSI_ON;
HAL_RCC_OscConfig(&RCC_OscInitStructure);
/*##-2- Configure peripheral GPIO ##########################################*/
/* ADCx Channel GPIO pin configuration */
GPIO_InitStruct.Pin = ADCx_CHANNELa_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(ADCx_CHANNELa_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the DMA ##################################################*/
/* ADC does not use DMA in this ADC example */
/*##-4- Configure the NVIC #################################################*/
/* NVIC configuration for ADC interrupt */
/* Priority: high-priority */
HAL_NVIC_SetPriority(ADCx_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(ADCx_IRQn);
}
/**
* @brief ADC MSP initialization
* This function configures the hardware resources used in this example:
* - Enable clock of ADC peripheral
* - Configure the GPIO associated to the peripheral channels
* - Configure the DMA associated to the peripheral
* - Configure the NVIC associated to the peripheral interruptions
* @param hadc: ADC handle pointer
* @retval None
*/
void HAL_ADC_MspInit(ADC_HandleTypeDef *hadc)
{
GPIO_InitTypeDef GPIO_InitStruct;
static DMA_HandleTypeDef DmaHandle;
RCC_PeriphCLKInitTypeDef PeriphClkInit;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable clock of GPIO associated to the peripheral channels */
ADCx_CHANNELa_GPIO_CLK_ENABLE();
/* Enable clock of ADCx peripheral */
ADCx_CLK_ENABLE();
/* Configure ADCx clock prescaler */
/* Caution: On STM32F1, ADC clock frequency max is 14MHz (refer to device */
/* datasheet). */
/* Therefore, ADC clock prescaler must be configured in function */
/* of ADC clock source frequency to remain below this maximum */
/* frequency. */
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC;
PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV6;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit);
/* Enable clock of DMA associated to the peripheral */
ADCx_DMA_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* Configure GPIO pin of the selected ADC channel */
GPIO_InitStruct.Pin = ADCx_CHANNELa_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(ADCx_CHANNELa_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the DMA ##################################################*/
/* Configure DMA parameters */
DmaHandle.Instance = ADCx_DMA;
DmaHandle.Init.Direction = DMA_PERIPH_TO_MEMORY;
DmaHandle.Init.PeriphInc = DMA_PINC_DISABLE;
DmaHandle.Init.MemInc = DMA_MINC_ENABLE;
DmaHandle.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD; /* Transfer from ADC by half-word to match with ADC configuration: ADC resolution 10 or 12 bits */
DmaHandle.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD; /* Transfer to memory by half-word to match with buffer variable type: half-word */
DmaHandle.Init.Mode = DMA_CIRCULAR; /* DMA in circular mode to match with ADC configuration: DMA continuous requests */
DmaHandle.Init.Priority = DMA_PRIORITY_HIGH;
/* Deinitialize & Initialize the DMA for new transfer */
HAL_DMA_DeInit(&DmaHandle);
HAL_DMA_Init(&DmaHandle);
/* Associate the initialized DMA handle to the ADC handle */
__HAL_LINKDMA(hadc, DMA_Handle, DmaHandle);
/*##-4- Configure the NVIC #################################################*/
/* NVIC configuration for DMA interrupt (transfer completion or error) */
/* Priority: high-priority */
HAL_NVIC_SetPriority(ADCx_DMA_IRQn, 1, 0);
HAL_NVIC_EnableIRQ(ADCx_DMA_IRQn);
/* NVIC configuration for ADC interrupt */
/* Priority: high-priority */
HAL_NVIC_SetPriority(ADCx_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(ADCx_IRQn);
}
/**
* @brief ADC MSP initialization
* This function configures the hardware resources used in this example:
* - Enable clock of ADC peripheral
* - Configure the GPIO associated to the peripheral channels
* - Configure the DMA associated to the peripheral
* - Configure the NVIC associated to the peripheral interruptions
* @param hadc: ADC handle pointer
* @retval None
*/
void HAL_ADC_MspInit(ADC_HandleTypeDef *hadc)
{
GPIO_InitTypeDef GPIO_InitStruct;
static DMA_HandleTypeDef DmaHandle;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable clock of GPIO associated to the peripheral channels */
ADCx_CHANNELa_GPIO_CLK_ENABLE();
/* Enable clock of ADCx peripheral */
ADCx_CLK_ENABLE();
/* Note: In case of usage of ADC dedicated asynchronous clock, with ADC */
/* setting "AdcHandle.Init.ClockPrescaler = ADC_CLOCK_ASYNC", */
/* the clock source has to be enabled using this macro: */
/* __HAL_RCC_ADC12_CONFIG(RCC_ADC12PLLCLK_DIV1); */
/* Enable asynchronous clock source of ADCx */
__HAL_RCC_ADC1_CONFIG(RCC_ADC1PLLCLK_DIV1);
/* Enable clock of DMA associated to the peripheral */
ADCx_DMA_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* ADCx Channel GPIO pin configuration */
GPIO_InitStruct.Pin = ADCx_CHANNELa_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(ADCx_CHANNELa_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the DMA streams ##########################################*/
/* Configure DMA parameters */
DmaHandle.Instance = ADCx_DMA_STREAM;
DmaHandle.Init.Direction = DMA_PERIPH_TO_MEMORY;
DmaHandle.Init.PeriphInc = DMA_PINC_DISABLE;
DmaHandle.Init.MemInc = DMA_MINC_ENABLE;
DmaHandle.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD; /* Transfer from ADC by word to match with ADC resolution 10 or 12 bits */
DmaHandle.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD; /* Transfer to memory by half-word to match with buffer variable type: half-word */
DmaHandle.Init.Mode = DMA_CIRCULAR;
DmaHandle.Init.Priority = DMA_PRIORITY_HIGH;
/* Deinitialize & Initialize the DMA for new transfer */
HAL_DMA_DeInit(&DmaHandle);
HAL_DMA_Init(&DmaHandle);
/* Associate the initialized DMA handle to the ADC handle */
__HAL_LINKDMA(hadc, DMA_Handle, DmaHandle);
/*##-4- Configure the NVIC #################################################*/
/* NVIC configuration for DMA interrupt (transfer completion or error) */
/* Priority: high-priority */
HAL_NVIC_SetPriority(ADCx_DMA_IRQn, 1, 0);
HAL_NVIC_EnableIRQ(ADCx_DMA_IRQn);
/* NVIC configuration for ADC interrupt */
/* Priority: high-priority */
HAL_NVIC_SetPriority(ADCx_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(ADCx_IRQn);
}
/**
* @brief ADC MSP initialization
* This function configures the hardware resources used in this example:
* - Enable clock of ADC peripheral
* - Configure the GPIO associated to the peripheral channels
* - Configure the DMA associated to the peripheral
* - Configure the NVIC associated to the peripheral interruptions
* @param hadc: ADC handle pointer
* @retval None
*/
void HAL_ADC_MspInit(ADC_HandleTypeDef *hadc)
{
GPIO_InitTypeDef GPIO_InitStruct;
static DMA_HandleTypeDef DmaHandle;
RCC_PeriphCLKInitTypeDef PeriphClkInit;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable clock of GPIO associated to the peripheral channels */
ADCx_CHANNELa_GPIO_CLK_ENABLE();
/* Enable clock of ADCx peripheral */
ADCx_CLK_ENABLE();
/* Note: In case of usage of asynchronous clock derived from ADC dedicated */
/* PLL 72MHz, with ADC setting */
/* "AdcHandle.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1", */
/* the clock source has to be enabled at RCC top level using macro */
/* "__HAL_RCC_ADC12_CONFIG(RCC_ADC12PLLCLK_DIV1)" or function */
/* "HAL_RCCEx_PeriphCLKConfig()" (refer to comments in file */
/* "stm32f3_hal_adc.c_ex" header). */
/* Enable asynchronous clock source of ADCx */
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC12;
PeriphClkInit.Adc12ClockSelection = RCC_ADC12PLLCLK_DIV1;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit);
/* Enable clock of DMA associated to the peripheral */
ADCx_DMA_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* Configure GPIO pin of the selected ADC channel */
GPIO_InitStruct.Pin = ADCx_CHANNELa_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(ADCx_CHANNELa_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the DMA ##################################################*/
/* Configure DMA parameters */
DmaHandle.Instance = ADCx_DMA;
DmaHandle.Init.Direction = DMA_PERIPH_TO_MEMORY;
DmaHandle.Init.PeriphInc = DMA_PINC_DISABLE;
DmaHandle.Init.MemInc = DMA_MINC_ENABLE;
DmaHandle.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD; /* Transfer from ADC by half-word to match with ADC configuration: ADC resolution 10 or 12 bits */
DmaHandle.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD; /* Transfer to memory by half-word to match with buffer variable type: half-word */
DmaHandle.Init.Mode = DMA_CIRCULAR; /* DMA in circular mode to match with ADC configuration: DMA continuous requests */
DmaHandle.Init.Priority = DMA_PRIORITY_HIGH;
/* Deinitialize & Initialize the DMA for new transfer */
HAL_DMA_DeInit(&DmaHandle);
HAL_DMA_Init(&DmaHandle);
/* Associate the initialized DMA handle to the ADC handle */
__HAL_LINKDMA(hadc, DMA_Handle, DmaHandle);
/*##-4- Configure the NVIC #################################################*/
/* NVIC configuration for DMA interrupt (transfer completion or error) */
/* Priority: high-priority */
HAL_NVIC_SetPriority(ADCx_DMA_IRQn, 1, 0);
HAL_NVIC_EnableIRQ(ADCx_DMA_IRQn);
/* NVIC configuration for ADC interrupt */
/* Priority: high-priority */
HAL_NVIC_SetPriority(ADCx_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(ADCx_IRQn);
}
/**
* @brief ADC MSP initialization
* This function configures the hardware resources used in this example:
* - Enable clock of ADC peripheral
* - Configure the GPIO associated to the peripheral channels
* - Configure the DMA associated to the peripheral
* - Configure the NVIC associated to the peripheral interruptions
* @param hadc: ADC handle pointer
* @retval None
*/
void HAL_ADC_MspInit(ADC_HandleTypeDef *hadc)
{
GPIO_InitTypeDef GPIO_InitStruct;
static DMA_HandleTypeDef DmaHandle;
RCC_OscInitTypeDef RCC_OscInitStructure;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable clock of GPIO associated to the peripheral channels */
ADCx_CHANNELa_GPIO_CLK_ENABLE();
/* Enable clock of ADCx peripheral */
ADCx_CLK_ENABLE();
/* Note: In case of usage of asynchronous clock derived from ADC dedicated */
/* HSI RC oscillator 14MHz, with ADC setting */
/* "AdcHandle.Init.ClockPrescaler = ADC_CLOCK_ASYNC", */
/* the clock source has to be enabled at RCC top level using function */
/* "HAL_RCC_OscConfig()" (see comments in stm32l1_hal_adc.c header) */
/* Enable asynchronous clock source of ADCx */
/* (place oscillator HSI14 under control of the ADC) */
HAL_RCC_GetOscConfig(&RCC_OscInitStructure);
RCC_OscInitStructure.OscillatorType = RCC_OSCILLATORTYPE_HSI14;
RCC_OscInitStructure.HSI14CalibrationValue = RCC_HSI14CALIBRATION_DEFAULT;
RCC_OscInitStructure.HSI14State = RCC_HSI14_ADC_CONTROL;
HAL_RCC_OscConfig(&RCC_OscInitStructure);
/* Enable clock of DMA associated to the peripheral */
ADCx_DMA_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* ADCx Channel GPIO pin configuration */
GPIO_InitStruct.Pin = ADCx_CHANNELa_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(ADCx_CHANNELa_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the DMA ##################################################*/
/* Configure DMA parameters */
DmaHandle.Instance = ADCx_DMA;
DmaHandle.Init.Direction = DMA_PERIPH_TO_MEMORY;
DmaHandle.Init.PeriphInc = DMA_PINC_DISABLE;
DmaHandle.Init.MemInc = DMA_MINC_ENABLE;
DmaHandle.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD; /* Transfer from ADC by half-word to match with ADC resolution 10 or 12 bits */
DmaHandle.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD; /* Transfer to memory by half-word to match with buffer variable type: half-word */
DmaHandle.Init.Mode = DMA_CIRCULAR;
DmaHandle.Init.Priority = DMA_PRIORITY_HIGH;
/* Deinitialize & Initialize the DMA for new transfer */
HAL_DMA_DeInit(&DmaHandle);
HAL_DMA_Init(&DmaHandle);
/* Associate the initialized DMA handle to the ADC handle */
__HAL_LINKDMA(hadc, DMA_Handle, DmaHandle);
/*##-4- Configure the NVIC #################################################*/
/* NVIC configuration for DMA interrupt (transfer completion or error) */
/* Priority: high-priority */
HAL_NVIC_SetPriority(ADCx_DMA_IRQn, 1, 0);
HAL_NVIC_EnableIRQ(ADCx_DMA_IRQn);
/* NVIC configuration for ADC interrupt */
/* Priority: high-priority */
HAL_NVIC_SetPriority(ADCx_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(ADCx_IRQn);
}
