/**
 * @file timer.c
 * @author jimingqing
 * @date 2023-08-14
 * @version 0.0.1
 * @copyright XiazhiTech Copyright (c) 2023
 *
 * @brief
 */

/* Includes ------------------------------------------------------------------*/
#include "timer.h"
#include "board.h"
#include "stm32f4xx_ll_tim.h"

TIM_HandleTypeDef htim1;
TIM_HandleTypeDef htim3;

void HAL_TIM_MspPostInit(TIM_HandleTypeDef *htim);
void HAL_TIM_Base_MspInit(TIM_HandleTypeDef *htim_base);
void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef *htim_base);


/**
 * @brief TIM1 Initialization Function
 * @param None
 * @retval None
 */
void MX_TIM1_Init(void)
{
    TIM_SlaveConfigTypeDef sSlaveConfig = {0};
    TIM_MasterConfigTypeDef sMasterConfig = {0};
    TIM_OC_InitTypeDef sConfigOC = {0};
    TIM_BreakDeadTimeConfigTypeDef sBreakDeadTimeConfig = {0};

    /**
     * 定时器主频84M 不分频
     */
    htim1.Instance = TIM1;
    htim1.Init.Prescaler = 0;
    htim1.Init.CounterMode = TIM_COUNTERMODE_CENTERALIGNED1;
    htim1.Init.Period = (84 * 1000000 / 16000);
    htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV2;
    htim1.Init.RepetitionCounter = 1;
    htim1.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
    if (HAL_TIM_Base_Init(&htim1) != HAL_OK)
    {
        Error_Handler();
    }
    if (HAL_TIM_PWM_Init(&htim1) != HAL_OK)
    {
        Error_Handler();
    }
    // sSlaveConfig.SlaveMode = TIM_SLAVEMODE_TRIGGER;
    // sSlaveConfig.InputTrigger = TIM_TS_ITR1;
    // if (HAL_TIM_SlaveConfigSynchro(&htim1, &sSlaveConfig) != HAL_OK)
    // {
    //     Error_Handler();
    // }
    sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
    sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
    if (HAL_TIMEx_MasterConfigSynchronization(&htim1, &sMasterConfig) != HAL_OK)
    {
        Error_Handler();
    }
    sConfigOC.OCMode = TIM_OCMODE_PWM1;
    sConfigOC.Pulse = 0;
    sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
    sConfigOC.OCNPolarity = TIM_OCNPOLARITY_HIGH;
    sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
    sConfigOC.OCIdleState = TIM_OCIDLESTATE_RESET;
    sConfigOC.OCNIdleState = TIM_OCNIDLESTATE_RESET;
    if (HAL_TIM_PWM_ConfigChannel(&htim1, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
    {
        Error_Handler();
    }
    if (HAL_TIM_PWM_ConfigChannel(&htim1, &sConfigOC, TIM_CHANNEL_2) != HAL_OK)
    {
        Error_Handler();
    }
    if (HAL_TIM_PWM_ConfigChannel(&htim1, &sConfigOC, TIM_CHANNEL_3) != HAL_OK)
    {
        Error_Handler();
    }
    sConfigOC.OCMode = TIM_OCMODE_PWM2;
    sConfigOC.Pulse = ((84 * 1000000 / 16000) - 1);
    if (HAL_TIM_PWM_ConfigChannel(&htim1, &sConfigOC, TIM_CHANNEL_4) != HAL_OK)
    {
        Error_Handler();
    }
    sBreakDeadTimeConfig.OffStateRunMode = TIM_OSSR_ENABLE;
    sBreakDeadTimeConfig.OffStateIDLEMode = TIM_OSSI_ENABLE;
    sBreakDeadTimeConfig.LockLevel = TIM_LOCKLEVEL_1;
    sBreakDeadTimeConfig.DeadTime = 100;
    sBreakDeadTimeConfig.BreakState = TIM_BREAK_DISABLE;
    sBreakDeadTimeConfig.BreakPolarity = TIM_BREAKPOLARITY_LOW;
    sBreakDeadTimeConfig.AutomaticOutput = TIM_AUTOMATICOUTPUT_DISABLE;
    if (HAL_TIMEx_ConfigBreakDeadTime(&htim1, &sBreakDeadTimeConfig) != HAL_OK)
    {
        Error_Handler();
    }
    // if (HAL_TIM_Base_Init(&htim1) != HAL_OK)
    // {
    //     Error_Handler();
    // }
    HAL_TIM_MspPostInit(&htim1);
}

/**
 * @brief TIM3 Initialization Function
 * @param None
 * @retval None
 */
void MX_TIM3_Init(void)
{

    TIM_ClockConfigTypeDef sClockSourceConfig = {0};
    TIM_HallSensor_InitTypeDef sConfig = {0};
    TIM_MasterConfigTypeDef sMasterConfig = {0};

    htim3.Instance = TIM3;
    htim3.Init.Prescaler = 0;
    htim3.Init.CounterMode = TIM_COUNTERMODE_UP;
    htim3.Init.Period = 65535;
    htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
    htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
    if (HAL_TIM_Base_Init(&htim3) != HAL_OK)
    {
        Error_Handler();
    }
    sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
    if (HAL_TIM_ConfigClockSource(&htim3, &sClockSourceConfig) != HAL_OK)
    {
        Error_Handler();
    }
    sConfig.IC1Polarity = TIM_ICPOLARITY_RISING;
    sConfig.IC1Prescaler = TIM_ICPSC_DIV1;
    sConfig.IC1Filter = 11;
    sConfig.Commutation_Delay = 0;
    if (HAL_TIMEx_HallSensor_Init(&htim3, &sConfig) != HAL_OK)
    {
        Error_Handler();
    }
    sMasterConfig.MasterOutputTrigger = TIM_TRGO_OC2REF;
    sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
    if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK)
    {
        Error_Handler();
    }

    /* Set IC filter for Channel 1 (ICF1) */
    LL_TIM_IC_SetFilter(TIM3, LL_TIM_CHANNEL_CH1, (uint32_t)(11) << 20);

    /* Force the TIMx prescaler with immediate access (gen update event)
     */
    LL_TIM_SetPrescaler(TIM3, 65535);
    LL_TIM_GenerateEvent_UPDATE(TIM3);

    LL_TIM_SetUpdateSource(TIM3, LL_TIM_UPDATESOURCE_COUNTER);

    LL_TIM_EnableIT_CC1(TIM3);
    LL_TIM_EnableIT_UPDATE(TIM3);
    LL_TIM_SetCounter(TIM3, 0);

    LL_TIM_CC_EnableChannel(TIM3, LL_TIM_CHANNEL_CH1);
    LL_TIM_EnableCounter(TIM3);
}

void HAL_TIM_MspPostInit(TIM_HandleTypeDef *htim)
{
    GPIO_InitTypeDef GPIO_InitStruct = {0};
    if (htim->Instance == TIM1)
    {
        /* USER CODE BEGIN TIM1_MspPostInit 0 */

        /* USER CODE END TIM1_MspPostInit 0 */

        __HAL_RCC_GPIOB_CLK_ENABLE();
        __HAL_RCC_GPIOA_CLK_ENABLE();
        /**TIM1 GPIO Configuration
        PB13     ------> TIM1_CH1N
        PB14     ------> TIM1_CH2N
        PB15     ------> TIM1_CH3N
        PA8     ------> TIM1_CH1
        PA9     ------> TIM1_CH2
        PA10     ------> TIM1_CH3
        */
        GPIO_InitStruct.Pin = GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15;
        GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
        GPIO_InitStruct.Pull = GPIO_NOPULL;
        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
        GPIO_InitStruct.Alternate = GPIO_AF1_TIM1;
        HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

        GPIO_InitStruct.Pin = GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10;
        GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
        GPIO_InitStruct.Pull = GPIO_NOPULL;
        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
        GPIO_InitStruct.Alternate = GPIO_AF1_TIM1;
        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

        /* USER CODE BEGIN TIM1_MspPostInit 1 */

        /* USER CODE END TIM1_MspPostInit 1 */
    }
}

/**
 * @brief TIM_Base MSP Initialization
 * This function configures the hardware resources used in this example
 * @param htim_base: TIM_Base handle pointer
 * @retval None
 */
void HAL_TIM_Base_MspInit(TIM_HandleTypeDef *htim_base)
{
    GPIO_InitTypeDef GPIO_InitStruct = {0};
    if (htim_base->Instance == TIM1)
    {
        // /* Peripheral clock enable */
        __HAL_RCC_TIM1_CLK_ENABLE();
        // __HAL_RCC_GPIOA_CLK_ENABLE();
        // __HAL_RCC_GPIOB_CLK_ENABLE();

        // /**TIM1 GPIO Configuration
        // PA10     ------> TIM1_CH3
        // PA9     ------> TIM1_CH2
        // PA8     ------> TIM1_CH1
        // PB13     ------> TIM1_CH1N
        // PB14     ------> TIM1_CH2N
        // PB15     ------> TIM1_CH3N
        // */
        // GPIO_InitStruct.Pin = GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10;
        // GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
        // GPIO_InitStruct.Pull = GPIO_PULLDOWN;
        // GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
        // GPIO_InitStruct.Alternate = GPIO_AF1_TIM1;
        // HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

        // GPIO_InitStruct.Pin = GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15;
        // GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
        // GPIO_InitStruct.Pull = GPIO_PULLDOWN;
        // GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
        // GPIO_InitStruct.Alternate = GPIO_AF1_TIM1;
        // HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
    }
    else if (htim_base->Instance == TIM3)
    {
        /* Peripheral clock enable */
        __HAL_RCC_TIM3_CLK_ENABLE();
        __HAL_RCC_GPIOC_CLK_ENABLE();
        /**TIM3 GPIO Configuration
        PC8     ------> TIM3_CH3
        PC7     ------> TIM3_CH2
        PC6     ------> TIM3_CH1
        */
        GPIO_InitStruct.Pin = GPIO_PIN_6 | GPIO_PIN_7 | GPIO_PIN_8;
        GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
        GPIO_InitStruct.Pull = GPIO_NOPULL;
        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
        GPIO_InitStruct.Alternate = GPIO_AF2_TIM3;
        HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
    }
}

/**
 * @brief TIM_Base MSP De-Initialization
 * This function freeze the hardware resources used in this example
 * @param htim_base: TIM_Base handle pointer
 * @retval None
 */
void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef *htim_base)
{
    if (htim_base->Instance == TIM1)
    {
        /* Peripheral clock disable */
        __HAL_RCC_TIM1_CLK_DISABLE();

        /* TIM1 interrupt DeInit */
        HAL_NVIC_DisableIRQ(TIM1_BRK_TIM9_IRQn);
        HAL_NVIC_DisableIRQ(TIM1_UP_TIM10_IRQn);
    }
    else if (htim_base->Instance == TIM3)
    {

        /* Peripheral clock disable */
        __HAL_RCC_TIM3_CLK_DISABLE();

        /**TIM3 GPIO Configuration
        PC8     ------> TIM3_CH3
        PC7     ------> TIM3_CH2
        PC6     ------> TIM3_CH1
        */
        HAL_GPIO_DeInit(GPIOC, GPIO_PIN_6 | GPIO_PIN_7 | GPIO_PIN_8);

        /* TIM3 interrupt DeInit */
        HAL_NVIC_DisableIRQ(TIM3_IRQn);
    }
}

/**
 * @brief  This function handles first motor TIMx Update interrupt request.
 * @param  None
 * @retval None
 */
void TIM1_UP_TIM10_IRQHandler(void)
{
    // LL_TIM_ClearFlag_UPDATE(PWM_Handle_M1.pParams_str->TIMx);
    // R3_2_TIMx_UP_IRQHandler(&PWM_Handle_M1);
}

/**
 * @brief  This function handles first motor BRK interrupt.
 * @param  None
 * @retval None
 */
void TIM1_BRK_TIM9_IRQHandler(void)
{
    // if (LL_TIM_IsActiveFlag_BRK(PWM_Handle_M1.pParams_str->TIMx))
    // {
    //     LL_TIM_ClearFlag_BRK(PWM_Handle_M1.pParams_str->TIMx);
    //     R3_2_BRK_IRQHandler(&PWM_Handle_M1);
    // }
    // /* Systick is not executed due low priority so is necessary to call MC_Scheduler here.*/
    // MC_Scheduler();
}

/**
 * @brief  This function handles TIMx global interrupt request for M1 Speed Sensor.
 * @param  None
 * @retval None
 */
void TIM3_IRQHandler(void)
{
    /* HALL Timer Update IT always enabled, no need to check enable UPDATE state */
    if (LL_TIM_IsActiveFlag_UPDATE(TIM3))
    {
        LL_TIM_ClearFlag_UPDATE(TIM3);
        // HALL_TIMx_UP_IRQHandler(&HALL_M1);
    }

    /* HALL Timer CC1 IT always enabled, no need to check enable CC1 state */
    if (LL_TIM_IsActiveFlag_CC1(TIM3))
    {
        LL_TIM_ClearFlag_CC1(TIM3);
        // HALL_TIMx_CC_IRQHandler(&HALL_M1);
    }
}