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178 lines
5.1 KiB
C
178 lines
5.1 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file tim.c
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* @brief This file provides code for the configuration
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* of the TIM instances.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2022 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "tim.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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TIM_HandleTypeDef htim3;
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DMA_HandleTypeDef hdma_tim3_ch1_trig;
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/* TIM3 init function */
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void MX_TIM3_Init(void)
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{
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/* USER CODE BEGIN TIM3_Init 0 */
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/* USER CODE END TIM3_Init 0 */
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TIM_ClockConfigTypeDef sClockSourceConfig = {0};
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TIM_MasterConfigTypeDef sMasterConfig = {0};
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TIM_OC_InitTypeDef sConfigOC = {0};
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/* USER CODE BEGIN TIM3_Init 1 */
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/* USER CODE END TIM3_Init 1 */
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htim3.Instance = TIM3;
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htim3.Init.Prescaler = 0;
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htim3.Init.CounterMode = TIM_COUNTERMODE_UP;
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htim3.Init.Period = 90-1;
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htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
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htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
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if (HAL_TIM_Base_Init(&htim3) != HAL_OK)
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{
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Error_Handler();
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}
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sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
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if (HAL_TIM_ConfigClockSource(&htim3, &sClockSourceConfig) != HAL_OK)
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{
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Error_Handler();
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}
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if (HAL_TIM_PWM_Init(&htim3) != HAL_OK)
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{
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Error_Handler();
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}
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sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
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sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
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if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK)
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{
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Error_Handler();
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}
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sConfigOC.OCMode = TIM_OCMODE_PWM1;
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sConfigOC.Pulse = 0;
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sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
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sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
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if (HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN TIM3_Init 2 */
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/* USER CODE END TIM3_Init 2 */
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HAL_TIM_MspPostInit(&htim3);
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}
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void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* tim_baseHandle)
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{
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if(tim_baseHandle->Instance==TIM3)
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{
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/* USER CODE BEGIN TIM3_MspInit 0 */
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/* USER CODE END TIM3_MspInit 0 */
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/* TIM3 clock enable */
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__HAL_RCC_TIM3_CLK_ENABLE();
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/* TIM3 DMA Init */
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/* TIM3_CH1_TRIG Init */
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hdma_tim3_ch1_trig.Instance = DMA1_Channel6;
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hdma_tim3_ch1_trig.Init.Direction = DMA_MEMORY_TO_PERIPH;
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hdma_tim3_ch1_trig.Init.PeriphInc = DMA_PINC_DISABLE;
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hdma_tim3_ch1_trig.Init.MemInc = DMA_MINC_ENABLE;
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hdma_tim3_ch1_trig.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
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hdma_tim3_ch1_trig.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
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hdma_tim3_ch1_trig.Init.Mode = DMA_NORMAL;
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hdma_tim3_ch1_trig.Init.Priority = DMA_PRIORITY_HIGH;
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if (HAL_DMA_Init(&hdma_tim3_ch1_trig) != HAL_OK)
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{
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Error_Handler();
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}
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/* Several peripheral DMA handle pointers point to the same DMA handle.
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Be aware that there is only one channel to perform all the requested DMAs. */
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__HAL_LINKDMA(tim_baseHandle,hdma[TIM_DMA_ID_CC1],hdma_tim3_ch1_trig);
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__HAL_LINKDMA(tim_baseHandle,hdma[TIM_DMA_ID_TRIGGER],hdma_tim3_ch1_trig);
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/* TIM3 interrupt Init */
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HAL_NVIC_SetPriority(TIM3_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(TIM3_IRQn);
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/* USER CODE BEGIN TIM3_MspInit 1 */
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/* USER CODE END TIM3_MspInit 1 */
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}
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}
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void HAL_TIM_MspPostInit(TIM_HandleTypeDef* timHandle)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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if(timHandle->Instance==TIM3)
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{
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/* USER CODE BEGIN TIM3_MspPostInit 0 */
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/* USER CODE END TIM3_MspPostInit 0 */
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__HAL_RCC_GPIOB_CLK_ENABLE();
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/**TIM3 GPIO Configuration
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PB4 ------> TIM3_CH1
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*/
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GPIO_InitStruct.Pin = WS2812_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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HAL_GPIO_Init(WS2812_GPIO_Port, &GPIO_InitStruct);
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__HAL_AFIO_REMAP_TIM3_PARTIAL();
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/* USER CODE BEGIN TIM3_MspPostInit 1 */
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/* USER CODE END TIM3_MspPostInit 1 */
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}
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}
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void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* tim_baseHandle)
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{
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if(tim_baseHandle->Instance==TIM3)
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{
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/* USER CODE BEGIN TIM3_MspDeInit 0 */
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/* USER CODE END TIM3_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_TIM3_CLK_DISABLE();
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/* TIM3 DMA DeInit */
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HAL_DMA_DeInit(tim_baseHandle->hdma[TIM_DMA_ID_CC1]);
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HAL_DMA_DeInit(tim_baseHandle->hdma[TIM_DMA_ID_TRIGGER]);
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/* TIM3 interrupt Deinit */
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HAL_NVIC_DisableIRQ(TIM3_IRQn);
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/* USER CODE BEGIN TIM3_MspDeInit 1 */
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/* USER CODE END TIM3_MspDeInit 1 */
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}
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}
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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