CMS3in1/1.Cabin/4.MISC/ADS1278/Drivers/SYSTEM/pwm/pwm.c

/**
 ****************************************************************************************************
 * @file        gtim.c
 * @author      <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԭ<EFBFBD><EFBFBD><EFBFBD>Ŷ<EFBFBD>(ALIENTEK)
 * @version     V1.1
 * @date        2021-10-15
 * @brief       ͨ<EFBFBD>ö<EFBFBD>ʱ<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @license     Copyright (c) 2020-2032, <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿƼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>޹<EFBFBD>˾
 ****************************************************************************************************
 * @attention
 *
 * ʵ<EFBFBD><EFBFBD>ƽ̨:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԭ<EFBFBD><EFBFBD> ̽<EFBFBD><EFBFBD><EFBFBD><EFBFBD> F407<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ:www.yuanzige.com
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̳:www.openedv.com
 * <EFBFBD><EFBFBD>˾<EFBFBD><EFBFBD>ַ:www.alientek.com
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ:openedv.taobao.com
 *
 * <EFBFBD>޸<EFBFBD>˵<EFBFBD><EFBFBD>
 * V1.0 20211015
 * <EFBFBD><EFBFBD>һ<EFBFBD>η<EFBFBD><EFBFBD><EFBFBD>
 * V1.1 20211015
 * 1,<EFBFBD><EFBFBD><EFBFBD><EFBFBD>gtim_timx_pwm_chy_init<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * 
 ****************************************************************************************************
 */

#include "./SYSTEM/pwm/pwm.h"


TIM_HandleTypeDef g_timx_handle;             /* <20><>ʱ<EFBFBD><CAB1>x<EFBFBD><78><EFBFBD><EFBFBD> */

/**
 * @brief       ͨ<EFBFBD>ö<EFBFBD>ʱ<EFBFBD><EFBFBD>TIMX<EFBFBD><EFBFBD>ʱ<EFBFBD>жϳ<EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @note
 *              ͨ<EFBFBD>ö<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>APB1,<EFBFBD><EFBFBD>PPRE1 <EFBFBD><EFBFBD> 2<EFBFBD><EFBFBD>Ƶ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>
 *              ͨ<EFBFBD>ö<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>ΪAPB1ʱ<EFBFBD>ӵ<EFBFBD>2<EFBFBD><EFBFBD>, <EFBFBD><EFBFBD>APB1Ϊ42M, <EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD>ʱ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD> = 84Mhz
 *              <EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㷽<EFBFBD><EFBFBD>: Tout = ((arr + 1) * (psc + 1)) / Ft us.
 *              Ft=<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><EFBFBD>,<EFBFBD><EFBFBD>λ:Mhz
 *
 * @param       arr: <EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD>װֵ<EFBFBD><EFBFBD>
 * @param       psc: Ԥ<EFBFBD><EFBFBD>Ƶϵ<EFBFBD><EFBFBD>
 * @retval      <EFBFBD><EFBFBD>
 */
void gtim_timx_int_init(uint16_t arr, uint16_t psc)
{
    GTIM_TIMX_INT_CLK_ENABLE(); /* ʹ<><CAB9>TIMxʱ<78><CAB1> */

    g_timx_handle.Instance = GTIM_TIMX_INT;                 /* ͨ<>ö<EFBFBD>ʱ<EFBFBD><CAB1>x */
    g_timx_handle.Init.Prescaler = psc;                     /* Ԥ<><D4A4>Ƶϵ<C6B5><CFB5> */
    g_timx_handle.Init.CounterMode = TIM_COUNTERMODE_UP;    /* <20><><EFBFBD>ϼ<EFBFBD><CFBC><EFBFBD><EFBFBD><EFBFBD> */
    g_timx_handle.Init.Period = arr;                        /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ */
    HAL_TIM_Base_Init(&g_timx_handle);
    
    HAL_NVIC_SetPriority(GTIM_TIMX_INT_IRQn, 1, 3);         /* <20><><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><D0B6><EFBFBD><EFBFBD>ȼ<EFBFBD><C8BC><EFBFBD><EFBFBD><EFBFBD>ռ<EFBFBD><D5BC><EFBFBD>ȼ<EFBFBD>1<EFBFBD><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD>3 */
    HAL_NVIC_EnableIRQ(GTIM_TIMX_INT_IRQn);                 /* <20><><EFBFBD><EFBFBD>ITMx<4D>ж<EFBFBD> */

    HAL_TIM_Base_Start_IT(&g_timx_handle);                  /* ʹ<>ܶ<EFBFBD>ʱ<EFBFBD><CAB1>x<EFBFBD>Ͷ<EFBFBD>ʱ<EFBFBD><CAB1>x<EFBFBD><78><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD> */
}

/**
 * @brief       <EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>жϷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param       <EFBFBD><EFBFBD>
 * @retval      <EFBFBD><EFBFBD>
 */

/*********************************<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD>ö<EFBFBD>ʱ<EFBFBD><CAB1>PWM<57><4D><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*************************************/

TIM_HandleTypeDef g_timx_pwm_chy_handle;     /* <20><>ʱ<EFBFBD><CAB1>x<EFBFBD><78><EFBFBD><EFBFBD> */

/**
 * @brief       ͨ<EFBFBD>ö<EFBFBD>ʱ<EFBFBD><EFBFBD>TIMX ͨ<EFBFBD><EFBFBD>Y PWM<EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD>PWMģʽ1<EFBFBD><EFBFBD>
 * @note
 *              ͨ<EFBFBD>ö<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>APB1,<EFBFBD><EFBFBD>PPRE1 <EFBFBD><EFBFBD> 2<EFBFBD><EFBFBD>Ƶ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>
 *              ͨ<EFBFBD>ö<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>ΪAPB1ʱ<EFBFBD>ӵ<EFBFBD>2<EFBFBD><EFBFBD>, <EFBFBD><EFBFBD>APB1Ϊ42M, <EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD>ʱ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD> = 84Mhz
 *              <EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㷽<EFBFBD><EFBFBD>: Tout = ((arr + 1) * (psc + 1)) / Ft us.
 *              Ft = <EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><EFBFBD>,<EFBFBD><EFBFBD>λ:Mhz
 *
 * @param       arr: <EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD>װֵ
 * @param       psc: Ԥ<EFBFBD><EFBFBD>Ƶϵ<EFBFBD><EFBFBD>
 * @retval      <EFBFBD><EFBFBD>
 */
void gtim_timx_pwm_chy_init(uint16_t arr, uint16_t psc)
{
    TIM_OC_InitTypeDef timx_oc_pwm_chy = {0};                       /* <20><>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
    
    g_timx_pwm_chy_handle.Instance = GTIM_TIMX_PWM;                 /* <20><>ʱ<EFBFBD><CAB1>x */
    g_timx_pwm_chy_handle.Init.Prescaler = psc;                     /* Ԥ<><D4A4>Ƶϵ<C6B5><CFB5> */
    g_timx_pwm_chy_handle.Init.CounterMode = TIM_COUNTERMODE_UP;    /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ */
    g_timx_pwm_chy_handle.Init.Period = arr;                        /* <20>Զ<EFBFBD><D4B6><EFBFBD>װ<EFBFBD><D7B0>ֵ */
    HAL_TIM_PWM_Init(&g_timx_pwm_chy_handle);                       /* <20><>ʼ<EFBFBD><CABC>PWM */

    timx_oc_pwm_chy.OCMode = TIM_OCMODE_PWM1;                       /* ģʽѡ<CABD><D1A1>PWM1 */
    timx_oc_pwm_chy.Pulse = arr / 2;                                /* <20><><EFBFBD>ñȽ<C3B1>ֵ,<2C><>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>ȷ<EFBFBD><C8B7>ռ<EFBFBD>ձ<EFBFBD> */

    timx_oc_pwm_chy.OCPolarity = TIM_OCPOLARITY_LOW;                                        /* <20><><EFBFBD><EFBFBD><EFBFBD>Ƚϼ<C8BD><CFBC><EFBFBD>Ϊ<EFBFBD><CEAA> */
    HAL_TIM_PWM_ConfigChannel(&g_timx_pwm_chy_handle, &timx_oc_pwm_chy, GTIM_TIMX_PWM_CHY); /* <20><><EFBFBD><EFBFBD>TIMxͨ<78><CDA8>y */
    HAL_TIM_PWM_Start(&g_timx_pwm_chy_handle, GTIM_TIMX_PWM_CHY);                           /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӦPWMͨ<4D><CDA8> */
}
/**
 * @brief       <EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>ײ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>ʹ<EFBFBD>ܣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
                <EFBFBD>˺<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ᱻHAL_TIM_PWM_Init()<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param       htim:<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @retval      <EFBFBD><EFBFBD>
 */
void HAL_TIM_PWM_MspInit(TIM_HandleTypeDef *htim)
{
    if (htim->Instance == GTIM_TIMX_PWM)
    {
        GPIO_InitTypeDef gpio_init_struct;
        GTIM_TIMX_PWM_CHY_GPIO_CLK_ENABLE();                            /* <20><><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>y<EFBFBD><79>CPIOʱ<4F><CAB1> */
        GTIM_TIMX_PWM_CHY_CLK_ENABLE();                                 /* ʹ<>ܶ<EFBFBD>ʱ<EFBFBD><CAB1>ʱ<EFBFBD><CAB1> */

        gpio_init_struct.Pin = GTIM_TIMX_PWM_CHY_GPIO_PIN;              /* ͨ<><CDA8>y<EFBFBD><79>CPIO<49><4F> */
        gpio_init_struct.Mode = GPIO_MODE_AF_PP;                        /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
        gpio_init_struct.Pull = GPIO_PULLUP;                            /* <20><><EFBFBD><EFBFBD> */
        gpio_init_struct.Speed = GPIO_SPEED_FREQ_HIGH;                  /* <20><><EFBFBD><EFBFBD> */
        gpio_init_struct.Alternate = GTIM_TIMX_PWM_CHY_GPIO_AF;         /* IO<49><4F>REMAP<41><50><EFBFBD><EFBFBD>, <20>Ƿ<EFBFBD><C7B7><EFBFBD>Ҫ<EFBFBD>鿴ͷ<E9BFB4>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD>õ<EFBFBD>˵<EFBFBD><CBB5>! */
        HAL_GPIO_Init(GTIM_TIMX_PWM_CHY_GPIO_PORT, &gpio_init_struct);
    }
}