80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
/**
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******************************************************************************
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* File Name : DAC.c
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* Description : This file provides code for the configuration
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* of the DAC instances.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2021 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "dac.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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/* DAC init function */
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void MX_DAC_Init(void)
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{
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LL_DAC_InitTypeDef DAC_InitStruct = {0};
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LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
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/* Peripheral clock enable */
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LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_DAC1);
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LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOA);
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/**DAC GPIO Configuration
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PA5 ------> DAC_OUT2
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*/
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GPIO_InitStruct.Pin = LL_GPIO_PIN_5;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_ANALOG;
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GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
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LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* DAC DMA Init */
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/* DAC_CH2 Init */
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LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_CHANNEL_4, LL_DMA_DIRECTION_MEMORY_TO_PERIPH);
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LL_DMA_SetChannelPriorityLevel(DMA1, LL_DMA_CHANNEL_4, LL_DMA_PRIORITY_VERYHIGH);
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LL_DMA_SetMode(DMA1, LL_DMA_CHANNEL_4, LL_DMA_MODE_CIRCULAR);
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LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_CHANNEL_4, LL_DMA_PERIPH_NOINCREMENT);
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LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_CHANNEL_4, LL_DMA_MEMORY_INCREMENT);
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LL_DMA_SetPeriphSize(DMA1, LL_DMA_CHANNEL_4, LL_DMA_PDATAALIGN_HALFWORD);
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LL_DMA_SetMemorySize(DMA1, LL_DMA_CHANNEL_4, LL_DMA_MDATAALIGN_HALFWORD);
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/* DAC interrupt Init */
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NVIC_SetPriority(TIM6_DAC_IRQn, 0);
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NVIC_EnableIRQ(TIM6_DAC_IRQn);
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/** DAC channel OUT2 config
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*/
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DAC_InitStruct.TriggerSource = LL_DAC_TRIG_EXT_TIM6_TRGO;
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DAC_InitStruct.WaveAutoGeneration = LL_DAC_WAVE_AUTO_GENERATION_NONE;
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DAC_InitStruct.OutputBuffer = LL_DAC_OUTPUT_BUFFER_ENABLE;
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LL_DAC_Init(DAC, LL_DAC_CHANNEL_2, &DAC_InitStruct);
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}
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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