195 lines
6.4 KiB
C
195 lines
6.4 KiB
C
/**
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******************************************************************************
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* File Name : TIM.c
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* Description : This file provides code for the configuration
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* of the TIM instances.
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******************************************************************************
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** This notice applies to any and all portions of this file
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* that are not between comment pairs USER CODE BEGIN and
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* USER CODE END. Other portions of this file, whether
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* inserted by the user or by software development tools
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* are owned by their respective copyright owners.
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*
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* COPYRIGHT(c) 2018 STMicroelectronics
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "tim.h"
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#include "dma.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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TIM_ClockConfigTypeDef sClockSourceConfig;
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TIM_MasterConfigTypeDef sMasterConfig;
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TIM_OC_InitTypeDef sConfigOC;
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htim3.Instance = TIM3;
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htim3.Init.Prescaler = 23;
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htim3.Init.CounterMode = TIM_COUNTERMODE_UP;
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htim3.Init.Period = 199;
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htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV4;
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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(__FILE__, __LINE__);
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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(__FILE__, __LINE__);
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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(__FILE__, __LINE__);
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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(__FILE__, __LINE__);
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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(__FILE__, __LINE__);
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}
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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_CIRCULAR;
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hdma_tim3_ch1_trig.Init.Priority = DMA_PRIORITY_LOW;
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if (HAL_DMA_Init(&hdma_tim3_ch1_trig) != HAL_OK)
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{
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_Error_Handler(__FILE__, __LINE__);
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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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/* 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;
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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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/**TIM3 GPIO Configuration
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PA6 ------> TIM3_CH1
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_6;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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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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/* 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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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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