/*
 * User_TIM.c
 *
 *  Created on: 2023年2月13日
 *      Author: Administrator
 */

#include <eth_driver.h>
#include <ch32v30x_it.h>
#include <interface_btm.h>
//#include <User_Drive.h>

//全局变量
volatile u8 Test25usFlg = 0;



/*********************************************************************
 * @fn      TIM2_Init
 *
 * @brief   Initializes TIM2.
 *
 * @return  none
 */
void TIM2_Init(void)
{
    TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure = { 0 };

    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);

    TIM_TimeBaseStructure.TIM_Period = WCHNETTIMERPERIOD * 1000 - 1;
    TIM_TimeBaseStructure.TIM_Prescaler = SystemCoreClock / 1000000 - 1;//1M的时钟频率
    TIM_TimeBaseStructure.TIM_ClockDivision = 0;
    TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
    TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
    TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);

    TIM_Cmd(TIM2, ENABLE);
    TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
    NVIC_EnableIRQ(TIM2_IRQn);
}
/*********************************************************************
 * @fn      TIM2_Init
 *
 * @brief   Initializes TIM2.
 *
 * @return  none
 */
void TIM3_Init(void)
{
//    TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure = { 0 };
//
//    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
//
//    TIM_TimeBaseStructure.TIM_Period = StepPeriod - 1;//25us
//    TIM_TimeBaseStructure.TIM_Prescaler = (SystemCoreClock / 1000000) - 1;//120M/120=1MHz
//    TIM_TimeBaseStructure.TIM_ClockDivision = 0;
//    TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
//    TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);
//    TIM_ITConfig(TIM3, TIM_IT_Update, ENABLE);
//
//    TIM_Cmd(TIM3, ENABLE);
//    TIM_ClearITPendingBit(TIM3, TIM_IT_Update);
//    NVIC_EnableIRQ(TIM3_IRQn);
}
/*********************************************************************
 * @fn      TIM9_OutCompare_Init
 *
 * @brief   Initializes TIM9 output compare.
 *
 * @param   arr - the period value.
 *          psc - the prescaler value.
 *          ccp - the pulse value.
 *
 * @return  none
 */
void TIM9_PWMOut_Init( u16 arr, u16 psc )
{
    GPIO_InitTypeDef GPIO_InitStructure = {0};
    TIM_OCInitTypeDef TIM_OCInitStructure = {0};
    TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure = {0};

    RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOD | RCC_APB2Periph_TIM9|RCC_APB2Periph_AFIO , ENABLE );//开启时钟。

    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8|GPIO_Pin_10|GPIO_Pin_12;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;//推挽复用
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_Init(GPIOD, &GPIO_InitStructure);

    GPIO_PinRemapConfig(GPIO_FullRemap_TIM9,ENABLE);//TIM9的IO口映射配置

    TIM_TimeBaseInitStructure.TIM_Period = arr;//周期
    TIM_TimeBaseInitStructure.TIM_Prescaler = psc;//分频系数
    TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;//默认为0
    TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;//计数
    TIM_TimeBaseInit( TIM9, &TIM_TimeBaseInitStructure );

#if (PWM_MODE == PWM_MODE1)
    TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;

#elif (PWM_MODE == PWM_MODE2)
    TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2;//

#endif
    TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Disable;//通道不使能
    TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;//互补通道使能
    TIM_OCInitStructure.TIM_Pulse = 0;
    TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;//决定输出的高电平还是低电平
    TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_High;//决定输出的高电平还是低电平
    TIM_OC1Init( TIM9, &TIM_OCInitStructure );//通道1
    TIM_OC2Init( TIM9, &TIM_OCInitStructure );//通道2
    TIM_OC3Init( TIM9, &TIM_OCInitStructure );//通道3
    TIM_CtrlPWMOutputs( TIM9, ENABLE );
    TIM_OC1PreloadConfig( TIM9, TIM_OCPreload_Enable );//通道1
    TIM_OC2PreloadConfig( TIM9, TIM_OCPreload_Enable );//通道2
    TIM_OC3PreloadConfig( TIM9, TIM_OCPreload_Enable );//通道3
    TIM_ARRPreloadConfig( TIM9, ENABLE );
    TIM_Cmd( TIM9, ENABLE );
}



/*********************************************************************
 * @fn      TIM10_OutCompare_Init
 *
 * @brief   Initializes TIM10 output compare.
 *
 * @param   arr - the period value.
 *          psc - the prescaler value.
 *          ccp - the pulse value.
 *
 * @return  none
 */
void TIM10_PWMOut_Init( u16 arr, u16 psc )
{
    GPIO_InitTypeDef GPIO_InitStructure = {0};
    TIM_OCInitTypeDef TIM_OCInitStructure = {0};
    TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure = {0};

    RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOE | RCC_APB2Periph_TIM10|RCC_APB2Periph_AFIO , ENABLE );//开启时钟。

    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;//重新初始化 PE3,他是复用口
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_Init(GPIOE, &GPIO_InitStructure);

    GPIO_PinRemapConfig(GPIO_FullRemap_TIM10,ENABLE);//TIM10的IO口映射配置

    TIM_TimeBaseInitStructure.TIM_Period = arr;//周期
    TIM_TimeBaseInitStructure.TIM_Prescaler = psc;//分频系数
    TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;//默认为0
    TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;//计数
    TIM_TimeBaseInit( TIM10, &TIM_TimeBaseInitStructure );

#if (PWM_MODE == PWM_MODE1)
    TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;

#elif (PWM_MODE == PWM_MODE2)
    TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2;//

#endif
    TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Disable;//通道不使能
    TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;//互补通道使能
    TIM_OCInitStructure.TIM_Pulse = 0;
    TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;//决定输出的高电平还是低电平
    TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_High;//决定输出的高电平还是低电平
    TIM_OC1Init( TIM10, &TIM_OCInitStructure );//通道1
    TIM_CtrlPWMOutputs( TIM10, ENABLE );
    TIM_OC1PreloadConfig( TIM10, TIM_OCPreload_Enable );//通道1
    TIM_ARRPreloadConfig( TIM10, ENABLE );
    TIM_Cmd( TIM10, ENABLE );
}


//获取当前计数器时间us
uint32_t getCurrentTime(void)
{
    return  TIM_GetCounter(TIM2);//这个要求是us
}