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M5Module-Fan-Internal-FW/code/Module-FAN/Core/Src/tim.c
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renletao 0dfe2155b2 init
2025-02-26 16:22:02 +08:00

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/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file tim.c
* @brief This file provides code for the configuration
* of the TIM instances.
******************************************************************************
* @attention
*
* Copyright (c) 2024 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "tim.h"
/* USER CODE BEGIN 0 */
extern __IO uint8_t pwm_frequency_reg;
/* USER CODE END 0 */
TIM_HandleTypeDef htim14;
/* 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 = LL_TIM_IC_FILTER_FDIV1_N4 - LL_TIM_IC_FILTER_FDIV1_N2;
TIM_InitStruct.CounterMode = LL_TIM_COUNTERMODE_UP;
TIM_InitStruct.Autoreload = 1000 - LL_TIM_IC_FILTER_FDIV1_N2;
TIM_InitStruct.ClockDivision = LL_TIM_CLOCKDIVISION_DIV1;
LL_TIM_Init(TIM3, &TIM_InitStruct);
LL_TIM_EnableARRPreload(TIM3);
LL_TIM_SetClockSource(TIM3, LL_TIM_CLOCKSOURCE_INTERNAL);
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_SetTriggerOutput(TIM3, LL_TIM_TRGO_RESET);
LL_TIM_DisableMasterSlaveMode(TIM3);
/* USER CODE BEGIN TIM3_Init 2 */
/* USER CODE END TIM3_Init 2 */
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOA);
/**TIM3 GPIO Configuration
PA6 ------> TIM3_CH1
*/
GPIO_InitStruct.Pin = LL_GPIO_PIN_6;
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);
}
/* TIM14 init function */
void MX_TIM14_Init(void)
{
/* USER CODE BEGIN TIM14_Init 0 */
/* USER CODE END TIM14_Init 0 */
TIM_IC_InitTypeDef sConfigIC = {0};
/* USER CODE BEGIN TIM14_Init 1 */
/* USER CODE END TIM14_Init 1 */
htim14.Instance = TIM14;
htim14.Init.Prescaler = 48 - 1;
htim14.Init.CounterMode = TIM_COUNTERMODE_UP;
htim14.Init.Period = 65535;
htim14.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
htim14.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
if (HAL_TIM_Base_Init(&htim14) != HAL_OK) {
Error_Handler();
}
if (HAL_TIM_IC_Init(&htim14) != HAL_OK) {
Error_Handler();
}
sConfigIC.ICPolarity = TIM_INPUTCHANNELPOLARITY_RISING;
sConfigIC.ICSelection = TIM_ICSELECTION_DIRECTTI;
sConfigIC.ICPrescaler = TIM_ICPSC_DIV1;
sConfigIC.ICFilter = 0;
if (HAL_TIM_IC_ConfigChannel(&htim14, &sConfigIC, TIM_CHANNEL_1) != HAL_OK) {
Error_Handler();
}
/* USER CODE BEGIN TIM14_Init 2 */
LL_TIM_EnableIT_UPDATE(TIM14); // 更新中断使能
LL_TIM_EnableIT_CC1(TIM14); // 捕获通道使能
LL_TIM_CC_EnableChannel(TIM14, LL_TIM_CHANNEL_CH1); // 通道使能
LL_TIM_EnableCounter(TIM14);
/* USER CODE END TIM14_Init 2 */
}
void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* tim_baseHandle)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
if (tim_baseHandle->Instance == TIM14) {
/* USER CODE BEGIN TIM14_MspInit 0 */
/* USER CODE END TIM14_MspInit 0 */
/* TIM14 clock enable */
__HAL_RCC_TIM14_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
/**TIM14 GPIO Configuration
PA7 ------> TIM14_CH1
*/
GPIO_InitStruct.Pin = GPIO_PIN_7;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF4_TIM14;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* TIM14 interrupt Init */
HAL_NVIC_SetPriority(TIM14_IRQn, 1, 0);
HAL_NVIC_EnableIRQ(TIM14_IRQn);
/* USER CODE BEGIN TIM14_MspInit 1 */
/* USER CODE END TIM14_MspInit 1 */
}
}
void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* tim_baseHandle)
{
if (tim_baseHandle->Instance == TIM14) {
/* USER CODE BEGIN TIM14_MspDeInit 0 */
/* USER CODE END TIM14_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_TIM14_CLK_DISABLE();
/**TIM14 GPIO Configuration
PA7 ------> TIM14_CH1
*/
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_7);
/* TIM14 interrupt Deinit */
HAL_NVIC_DisableIRQ(TIM14_IRQn);
/* USER CODE BEGIN TIM14_MspDeInit 1 */
/* USER CODE END TIM14_MspDeInit 1 */
}
}
/* USER CODE BEGIN 1 */
void time_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 */
switch (pwm_frequency_reg) {
case PWM_1KHZ:
TIM_InitStruct.Prescaler = 48 - 1;
TIM_InitStruct.Autoreload = 1000 - 1;
break;
case PWM_12KHZ:
TIM_InitStruct.Prescaler = 4 - 1;
TIM_InitStruct.Autoreload = 1000 - 1;
break;
case PWM_24KHZ:
TIM_InitStruct.Prescaler = 2 - 1;
TIM_InitStruct.Autoreload = 1000 - 1;
break;
case PWM_48KHZ:
TIM_InitStruct.Prescaler = 1 - 1;
TIM_InitStruct.Autoreload = 1000 - 1;
break;
default:
break;
}
TIM_InitStruct.CounterMode = LL_TIM_COUNTERMODE_UP;
TIM_InitStruct.ClockDivision = LL_TIM_CLOCKDIVISION_DIV1;
LL_TIM_Init(TIM3, &TIM_InitStruct);
LL_TIM_EnableARRPreload(TIM3);
LL_TIM_SetClockSource(TIM3, LL_TIM_CLOCKSOURCE_INTERNAL);
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_SetTriggerOutput(TIM3, LL_TIM_TRGO_RESET);
LL_TIM_DisableMasterSlaveMode(TIM3);
/* USER CODE BEGIN TIM3_Init 2 */
/* USER CODE END TIM3_Init 2 */
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOA);
/**TIM3 GPIO Configuration
PA6 ------> TIM3_CH1
*/
GPIO_InitStruct.Pin = LL_GPIO_PIN_6;
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);
/* USER CODE BEGIN TIM3_Init 2 */
LL_TIM_EnableCounter(TIM3); // 启动定时器计
LL_TIM_CC_EnableChannel(TIM3, LL_TIM_CHANNEL_CH1); // 启动通道输出
/* USER CODE END TIM3_Init 2 */
}
/* USER CODE END 1 */
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