/* 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 */