tim.c
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/**
******************************************************************************
* @file tim.c
* @brief This file provides code for the configuration
* of the TIM instances.
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2025 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under Ultimate Liberty license
* SLA0044, the "License"; You may not use this file except in compliance with
* the License. You may obtain a copy of the License at:
* www.st.com/SLA0044
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "tim.h"
/* USER CODE BEGIN 0 */
static void Pwm_Start(TIM_TypeDef *TIMx, uint32_t Channels);
/* USER CODE END 0 */
/* TIM3 init function */
void MX_TIM3_Init(void)
{
/* USER CODE BEGIN TIM3_Init 0 */
/* USER CODE END TIM3_Init 0 */
LL_TIM_InitTypeDef TIM_InitStruct = {0};
LL_TIM_OC_InitTypeDef TIM_OC_InitStruct = {0};
LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
/* Peripheral clock enable */
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_TIM3);
/* USER CODE BEGIN TIM3_Init 1 */
/* USER CODE END TIM3_Init 1 */
TIM_InitStruct.Prescaler = 63;
TIM_InitStruct.CounterMode = LL_TIM_COUNTERMODE_UP;
TIM_InitStruct.Autoreload = 1000;
TIM_InitStruct.ClockDivision = LL_TIM_CLOCKDIVISION_DIV1;
LL_TIM_Init(TIM3, &TIM_InitStruct);
LL_TIM_DisableARRPreload(TIM3);
LL_TIM_OC_EnablePreload(TIM3, LL_TIM_CHANNEL_CH1);
TIM_OC_InitStruct.OCMode = LL_TIM_OCMODE_PWM1;
TIM_OC_InitStruct.OCState = LL_TIM_OCSTATE_DISABLE;
TIM_OC_InitStruct.OCNState = LL_TIM_OCSTATE_DISABLE;
TIM_OC_InitStruct.CompareValue = 0;
TIM_OC_InitStruct.OCPolarity = LL_TIM_OCPOLARITY_HIGH;
LL_TIM_OC_Init(TIM3, LL_TIM_CHANNEL_CH1, &TIM_OC_InitStruct);
LL_TIM_OC_DisableFast(TIM3, LL_TIM_CHANNEL_CH1);
LL_TIM_OC_EnablePreload(TIM3, LL_TIM_CHANNEL_CH2);
LL_TIM_OC_Init(TIM3, LL_TIM_CHANNEL_CH2, &TIM_OC_InitStruct);
LL_TIM_OC_DisableFast(TIM3, LL_TIM_CHANNEL_CH2);
LL_TIM_SetTriggerOutput(TIM3, LL_TIM_TRGO_RESET);
LL_TIM_DisableMasterSlaveMode(TIM3);
/* USER CODE BEGIN TIM3_Init 2 */
/* USER CODE END TIM3_Init 2 */
LL_IOP_GRP1_EnableClock(LL_IOP_GRP1_PERIPH_GPIOA);
/**TIM3 GPIO Configuration
PA6 ------> TIM3_CH1
PA7 ------> TIM3_CH2
*/
GPIO_InitStruct.Pin = LL_GPIO_PIN_6 | LL_GPIO_PIN_7;
GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
GPIO_InitStruct.Alternate = LL_GPIO_AF_1;
LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
Pwm_Start(TIM3,LL_TIM_CHANNEL_CH1);
Pwm_Start(TIM3,LL_TIM_CHANNEL_CH2);
}
/* TIM14 init function */
void MX_TIM14_Init(void)
{
/* USER CODE BEGIN TIM14_Init 0 */
/* USER CODE END TIM14_Init 0 */
LL_TIM_InitTypeDef TIM_InitStruct = {0};
LL_TIM_OC_InitTypeDef TIM_OC_InitStruct = {0};
LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
/* Peripheral clock enable */
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_TIM14);
/* USER CODE BEGIN TIM14_Init 1 */
/* USER CODE END TIM14_Init 1 */
TIM_InitStruct.Prescaler = 63;
TIM_InitStruct.CounterMode = LL_TIM_COUNTERMODE_UP;
TIM_InitStruct.Autoreload = 1000;
TIM_InitStruct.ClockDivision = LL_TIM_CLOCKDIVISION_DIV1;
LL_TIM_Init(TIM14, &TIM_InitStruct);
LL_TIM_DisableARRPreload(TIM14);
LL_TIM_OC_EnablePreload(TIM14, LL_TIM_CHANNEL_CH1);
TIM_OC_InitStruct.OCMode = LL_TIM_OCMODE_PWM1;
TIM_OC_InitStruct.OCState = LL_TIM_OCSTATE_DISABLE;
TIM_OC_InitStruct.OCNState = LL_TIM_OCSTATE_DISABLE;
TIM_OC_InitStruct.CompareValue = 0;
TIM_OC_InitStruct.OCPolarity = LL_TIM_OCPOLARITY_HIGH;
LL_TIM_OC_Init(TIM14, LL_TIM_CHANNEL_CH1, &TIM_OC_InitStruct);
LL_TIM_OC_DisableFast(TIM14, LL_TIM_CHANNEL_CH1);
/* USER CODE BEGIN TIM14_Init 2 */
/* USER CODE END TIM14_Init 2 */
LL_IOP_GRP1_EnableClock(LL_IOP_GRP1_PERIPH_GPIOA);
/**TIM14 GPIO Configuration
PA4 ------> TIM14_CH1
*/
GPIO_InitStruct.Pin = LL_GPIO_PIN_4;
GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
GPIO_InitStruct.Alternate = LL_GPIO_AF_4;
LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
Pwm_Start(TIM14,LL_TIM_CHANNEL_CH1);
}
/* USER CODE BEGIN 1 */
/**
*
*/
static void Pwm_Start(TIM_TypeDef *TIMx, uint32_t Channels)
{
LL_TIM_CC_EnableChannel(TIMx,Channels);
LL_TIM_EnableAllOutputs(TIMx);
LL_TIM_EnableCounter(TIMx);
// LL_TIM_GenerateEvent_UPDATE(TIMx);
}
/* USER CODE END 1 */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/