181 lines
6.2 KiB
C
181 lines
6.2 KiB
C
/*
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* User_TIM.c
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*
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* Created on: 2023年2月13日
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* Author: Administrator
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*/
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#include <eth_driver.h>
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#include <ch32v30x_it.h>
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#include <interface_btm.h>
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//#include <User_Drive.h>
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//全局变量
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volatile u8 Test25usFlg = 0;
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/*********************************************************************
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* @fn TIM2_Init
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*
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* @brief Initializes TIM2.
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*
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* @return none
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*/
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void TIM2_Init(void)
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{
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TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure = { 0 };
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
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TIM_TimeBaseStructure.TIM_Period = WCHNETTIMERPERIOD * 1000 - 1;
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TIM_TimeBaseStructure.TIM_Prescaler = SystemCoreClock / 1000000 - 1;//1M的时钟频率
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TIM_TimeBaseStructure.TIM_ClockDivision = 0;
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TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
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TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
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TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);
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TIM_Cmd(TIM2, ENABLE);
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TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
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NVIC_EnableIRQ(TIM2_IRQn);
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}
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/*********************************************************************
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* @fn TIM2_Init
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*
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* @brief Initializes TIM2.
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*
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* @return none
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*/
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void TIM3_Init(void)
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{
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// TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure = { 0 };
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//
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// RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
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//
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// TIM_TimeBaseStructure.TIM_Period = StepPeriod - 1;//25us
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// TIM_TimeBaseStructure.TIM_Prescaler = (SystemCoreClock / 1000000) - 1;//120M/120=1MHz
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// TIM_TimeBaseStructure.TIM_ClockDivision = 0;
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// TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
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// TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);
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// TIM_ITConfig(TIM3, TIM_IT_Update, ENABLE);
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//
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// TIM_Cmd(TIM3, ENABLE);
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// TIM_ClearITPendingBit(TIM3, TIM_IT_Update);
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// NVIC_EnableIRQ(TIM3_IRQn);
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}
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/*********************************************************************
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* @fn TIM9_OutCompare_Init
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*
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* @brief Initializes TIM9 output compare.
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*
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* @param arr - the period value.
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* psc - the prescaler value.
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* ccp - the pulse value.
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*
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* @return none
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*/
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void TIM9_PWMOut_Init( u16 arr, u16 psc )
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{
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GPIO_InitTypeDef GPIO_InitStructure = {0};
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TIM_OCInitTypeDef TIM_OCInitStructure = {0};
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TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure = {0};
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RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOD | RCC_APB2Periph_TIM9|RCC_APB2Periph_AFIO , ENABLE );//开启时钟。
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8|GPIO_Pin_10|GPIO_Pin_12;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;//推挽复用
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIOD, &GPIO_InitStructure);
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GPIO_PinRemapConfig(GPIO_FullRemap_TIM9,ENABLE);//TIM9的IO口映射配置
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TIM_TimeBaseInitStructure.TIM_Period = arr;//周期
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TIM_TimeBaseInitStructure.TIM_Prescaler = psc;//分频系数
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TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;//默认为0
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TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;//计数
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TIM_TimeBaseInit( TIM9, &TIM_TimeBaseInitStructure );
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#if (PWM_MODE == PWM_MODE1)
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TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
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#elif (PWM_MODE == PWM_MODE2)
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TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2;//
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#endif
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TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Disable;//通道不使能
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TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;//互补通道使能
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TIM_OCInitStructure.TIM_Pulse = 0;
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TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;//决定输出的高电平还是低电平
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TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_High;//决定输出的高电平还是低电平
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TIM_OC1Init( TIM9, &TIM_OCInitStructure );//通道1
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TIM_OC2Init( TIM9, &TIM_OCInitStructure );//通道2
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TIM_OC3Init( TIM9, &TIM_OCInitStructure );//通道3
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TIM_CtrlPWMOutputs( TIM9, ENABLE );
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TIM_OC1PreloadConfig( TIM9, TIM_OCPreload_Enable );//通道1
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TIM_OC2PreloadConfig( TIM9, TIM_OCPreload_Enable );//通道2
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TIM_OC3PreloadConfig( TIM9, TIM_OCPreload_Enable );//通道3
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TIM_ARRPreloadConfig( TIM9, ENABLE );
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TIM_Cmd( TIM9, ENABLE );
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}
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/*********************************************************************
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* @fn TIM10_OutCompare_Init
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*
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* @brief Initializes TIM10 output compare.
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*
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* @param arr - the period value.
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* psc - the prescaler value.
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* ccp - the pulse value.
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*
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* @return none
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*/
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void TIM10_PWMOut_Init( u16 arr, u16 psc )
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{
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GPIO_InitTypeDef GPIO_InitStructure = {0};
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TIM_OCInitTypeDef TIM_OCInitStructure = {0};
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TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure = {0};
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RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOE | RCC_APB2Periph_TIM10|RCC_APB2Periph_AFIO , ENABLE );//开启时钟。
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;//重新初始化 PE3,他是复用口
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIOE, &GPIO_InitStructure);
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GPIO_PinRemapConfig(GPIO_FullRemap_TIM10,ENABLE);//TIM10的IO口映射配置
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TIM_TimeBaseInitStructure.TIM_Period = arr;//周期
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TIM_TimeBaseInitStructure.TIM_Prescaler = psc;//分频系数
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TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;//默认为0
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TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;//计数
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TIM_TimeBaseInit( TIM10, &TIM_TimeBaseInitStructure );
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#if (PWM_MODE == PWM_MODE1)
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TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
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#elif (PWM_MODE == PWM_MODE2)
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TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2;//
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#endif
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TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Disable;//通道不使能
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TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;//互补通道使能
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TIM_OCInitStructure.TIM_Pulse = 0;
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TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;//决定输出的高电平还是低电平
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TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_High;//决定输出的高电平还是低电平
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TIM_OC1Init( TIM10, &TIM_OCInitStructure );//通道1
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TIM_CtrlPWMOutputs( TIM10, ENABLE );
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TIM_OC1PreloadConfig( TIM10, TIM_OCPreload_Enable );//通道1
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TIM_ARRPreloadConfig( TIM10, ENABLE );
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TIM_Cmd( TIM10, ENABLE );
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}
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//获取当前计数器时间us
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uint32_t getCurrentTime(void)
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{
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return TIM_GetCounter(TIM2);//这个要求是us
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}
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