void HAL_DAC_MspInit(DAC_HandleTypeDef *hdac)
{
GPIO_InitTypeDef gpio_init;
static DMA_HandleTypeDef hdma_dac;
GPIO_INIT(DACx_GPIO, DACx_PIN, GPIO_MODE_ANALOG, GPIO_NOPULL, 0, 0);
DACx_CLK_ENABLE();
DAC_DMAx_CLK_ENABLE();
DAC_TIMx_CLK_ENABLE();
hdma_dac.Instance = DAC_DMAx_STREAM;
hdma_dac.Init.Channel = DAC_DMAx_CHANNEL;
hdma_dac.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_dac.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_dac.Init.MemInc = DMA_MINC_ENABLE;
hdma_dac.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_dac.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_dac.Init.Mode = DMA_CIRCULAR;
hdma_dac.Init.Priority = DMA_PRIORITY_MEDIUM;
HAL_DMA_Init(&hdma_dac);
#if DAC_OUTn == 1
__HAL_LINKDMA(hdac, DMA_Handle1, hdma_dac);
#endif
#if DAC_OUTn == 2
__HAL_LINKDMA(hdac, DMA_Handle2, hdma_dac);
#endif
}
/**
* @brief DAC MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* @param hdac: DAC handle pointer
* @retval None
*/
void HAL_DAC_MspInit(DAC_HandleTypeDef *hdac)
{
GPIO_InitTypeDef GPIO_InitStruct;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO clock */
DACx_CHANNEL_GPIO_CLK_ENABLE();
/* DAC Periph clock enable */
DACx_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* DAC Channel1 GPIO pin configuration */
GPIO_InitStruct.Pin = DACx_CHANNEL_TO_ADCx_CHANNEL_DIFF_HIGH_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(DACx_CHANNEL_TO_ADCx_CHANNEL_DIFF_HIGH_GPIO_PORT, &GPIO_InitStruct);
/* DAC Channel2 GPIO pin configuration */
GPIO_InitStruct.Pin = DACx_CHANNEL_TO_ADCx_CHANNEL_DIFF_LOW_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(DACx_CHANNEL_TO_ADCx_CHANNEL_DIFF_LOW_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the NVIC #################################################*/
/* NVIC configuration for DAC interrupt */
/* Priority: mid-priority */
HAL_NVIC_SetPriority(TIM6_DAC_IRQn, 3, 0);
HAL_NVIC_EnableIRQ(TIM6_DAC_IRQn);
}
/**
* @brief DAC MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* @param hdac: DAC handle pointer
* @retval None
*/
void HAL_DAC_MspInit(DAC_HandleTypeDef *hdac)
{
GPIO_InitTypeDef GPIO_InitStruct;
static DMA_HandleTypeDef hdma_dac1;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO clock ****************************************/
DACx_CHANNEL_GPIO_CLK_ENABLE();
/* DAC Periph clock enable */
DACx_CLK_ENABLE();
/* DMA1 clock enable */
DMAx_CLK_ENABLE();
/* SYSCFG clock enable for DMA remapping */
__SYSCFG_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* DAC Channel1 GPIO pin configuration */
GPIO_InitStruct.Pin = DACx_CHANNEL_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(DACx_CHANNEL_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the DMA ##########################################*/
/* Set the parameters to be configured for DACx_DMA1_CHANNEL3 */
hdma_dac1.Instance = DACx_DMA_INSTANCE;
hdma_dac1.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_dac1.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_dac1.Init.MemInc = DMA_MINC_ENABLE;
hdma_dac1.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_dac1.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_dac1.Init.Mode = DMA_CIRCULAR;
hdma_dac1.Init.Priority = DMA_PRIORITY_HIGH;
HAL_DMA_Init(&hdma_dac1);
/* Associate the initialized DMA handle to the the DAC handle */
__HAL_LINKDMA(hdac, DMA_Handle1, hdma_dac1);
/*##-4- Configure the NVIC for DMA #########################################*/
/* Enable the DMA1_Channel3 IRQ Channel */
HAL_NVIC_SetPriority(DACx_DMA_IRQn, 2, 0);
HAL_NVIC_EnableIRQ(DACx_DMA_IRQn);
/*##-5- Configure the SYSCFG for DMA remapping #############################*/
__HAL_REMAPDMA_CHANNEL_ENABLE(HAL_REMAPDMA_TIM6_DAC1_CH1_DMA1_CH3);
}
/**
* @brief DAC MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* @param hdac: DAC handle pointer
* @retval None
*/
void HAL_DAC_MspInit(DAC_HandleTypeDef* hdac)
{
GPIO_InitTypeDef GPIO_InitStruct;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO clock ****************************************/
DACx_CHANNEL_GPIO_CLK_ENABLE();
/* DAC Periph clock enable */
DACx_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* DAC Channel1 GPIO pin configuration */
GPIO_InitStruct.Pin = DACx_CHANNEL_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(DACx_CHANNEL_GPIO_PORT, &GPIO_InitStruct);
}
