NewMNFJ/source/user/mapp_time.c

//==================================================================
//
//	Filename: mapp_time.c
//	Description: External Input driver.
//
//------------------------------------------------------------------
//
// version:
// date: 08:54am, 08.Feb.2023, by dwd
//	Description:
//
//------------------------------------------------------------------
//==================================================================

/*------------------------------------------------------------------------------
 *						I N C L U D E
 *------------------------------------------------------------------------------*/
#include "stm32f0xx.h"
#include "general.h"
#include "main.h"
#include "mapp_gpio.h"
#include "mapp_time.h"
#include "mapp_arm.h"
#include "mapp_msg.h"


/*------------------------------------------------------------------------------
 *						D E F I N E
 *------------------------------------------------------------------------------*/


/*------------------------------------------------------------------------------
 *						S T R U C T
 *------------------------------------------------------------------------------*/

/*------------------------------------------------------------------------------
 *						S T A T I C - V A R I A B L E S
 *------------------------------------------------------------------------------*/


/*------------------------------------------------------------------------------
 *						G L O B A L
 *------------------------------------------------------------------------------*/

/*------------------------------------------------------------------------------
 *						P R O T O T Y P E
 *------------------------------------------------------------------------------*/
#define  BUS_REV_MAX        6
static unsigned short  BUS_Rev_Buf[6][150]={0};
static unsigned char   BUS_Rev_ReadIndex=0;
static unsigned char   BUS_Rev_WriteIndex=0;



static unsigned char TIM1_cc_flag=0;     

static unsigned char TIM1_Rev_Buf[30]={0};

unsigned char  gt_busrxflag =0;


int TIM6_init(void)
{
    TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
    NVIC_InitTypeDef NVIC_InitStructure;
    GPIO_InitTypeDef GPIO_InitStructure; 
    
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM6,ENABLE);
    TIM_DeInit(TIM6);
    TIM_TimeBaseStructure.TIM_Prescaler = 48 - 1;        //48000000/48=1M
    TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;
    TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
    TIM_TimeBaseStructure.TIM_Period = 100 ;            //初始值  F=1M/100=10KHz
    TIM_TimeBaseInit(TIM6,&TIM_TimeBaseStructure);
   
    //=========================================================
    TIM_ITConfig(TIM6,TIM_IT_Update,ENABLE);
    TIM_ITConfig(TIM6,TIM_IT_Update,DISABLE);
    TIM_ClearFlag(TIM6, TIM_FLAG_Update);
    
    NVIC_InitStructure.NVIC_IRQChannel = TIM6_DAC_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);
    TIM_Cmd(TIM6, ENABLE);
    //=========================================================
   
    return 1;
    
}

/*----------------------------------------------------------------------
PWM OUT :100K,PA6(TIM3_CH1);
BUSIN: PB1(TIM3_CH4)
TIM3->CCER &=~(1<<0);//关闭PWM输出(TIM3_CH1);OC1禁止输出
 ----------------------------------------------------------------------*/
//----------------------------------------------------------------------
void TIM3_PWM_Init(void)
{
	TIM_TimeBaseInitTypeDef  TIM_TimeBaseInitStructure;
  TIM_ICInitTypeDef  TIM_ICInitStructure;
	TIM_OCInitTypeDef        TIM_OCInitStructure;
	 NVIC_InitTypeDef NVIC_InitStructure;

	RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3,ENABLE);


	TIM_DeInit(TIM3);

	//TIM_Prescaler:48,TIM_Period:20000 周期20ms

	TIM_TimeBaseInitStructure.TIM_Prescaler = (24-0);            //1M 1us加1.   48

	TIM_TimeBaseInitStructure.TIM_Period = 17;               //设置自动重装载寄存器周期值  9

	TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up; //向上计数模式  
  TIM_TimeBaseInitStructure.TIM_RepetitionCounter = 0;           //重复计数设置               //重复计数设置  
	TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;  //设置时钟分割  

	TIM_TimeBaseInit(TIM3,&TIM_TimeBaseInitStructure);      //参数初始化   

	 //================================= 
    NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);    
    //=================================   
		

//=================================   
    TIM_ICInitStructure.TIM_Channel = TIM_Channel_4;                         //选择输入端 IC1映射到TI4上
    TIM_ICInitStructure.TIM_ICPolarity = TIM_ICPolarity_Falling;             //下降沿捕获
    TIM_ICInitStructure.TIM_ICSelection = TIM_ICSelection_DirectTI;          //通道一一对应
    TIM_ICInitStructure.TIM_ICPrescaler = TIM_ICPSC_DIV1;                    //配置输入分频,不分频 
    TIM_ICInitStructure.TIM_ICFilter =0;                                    //IC4F=0011 配置输入滤波器 8个定时器时钟周期滤波
    TIM_ICInit(TIM3, &TIM_ICInitStructure);                                  //初始化定时器输入捕获通道  


  /* Select the TIM3 Input Trigger: TIM_TS_TI1FP1 */
  TIM_SelectInputTrigger(TIM3, TIM_TS_TI1FP1);  //选择输入触发源trgi

/* Select the slave Mode: Reset Mode */
  TIM_SelectSlaveMode(TIM3, TIM_SlaveMode_Reset);
  TIM_SelectMasterSlaveMode(TIM3,TIM_MasterSlaveMode_Enable);
  
	TIM_ITConfig(TIM3,TIM_IT_CC4,ENABLE);


	TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;  //输出PWM

	TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;

	TIM_OCInitStructure.TIM_Pulse = 8;                                //预设值

	TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;

	TIM_OC1Init(TIM3,&TIM_OCInitStructure);

	TIM_OC1PreloadConfig(TIM3,TIM_OCPreload_Enable);

	TIM_CtrlPWMOutputs(TIM3, ENABLE);


	//使能标志位CC1.CC2.CC3.CC4

	TIM_Cmd(TIM3,ENABLE);
  TIM3->CCER &=~(1<<0);  //默认不输出

}


void TIM1_Init(void)
{
	TIM_TimeBaseInitTypeDef  TIM_TimeBaseInitStructure;
  TIM_ICInitTypeDef  TIM_ICInitStructure;
	TIM_OCInitTypeDef        TIM_OCInitStructure;
	 NVIC_InitTypeDef NVIC_InitStructure;


	RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);

	TIM_DeInit(TIM1);

	//TIM_Prescaler:48,TIM_Period:20000 周期20ms

	TIM_TimeBaseInitStructure.TIM_Prescaler = (480-1);            //480-1预分频器,100K的计数频率,10us加1.  

	TIM_TimeBaseInitStructure.TIM_Period = 65535;               //设置自动重装载寄存器周期值  65535

	TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up; //向上计数模式  
  TIM_TimeBaseInitStructure.TIM_RepetitionCounter = 0;           //重复计数设置               //重复计数设置  
	TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;  //设置时钟分割  

	TIM_TimeBaseInit(TIM1,&TIM_TimeBaseInitStructure);      //参数初始化   

	
//=================================   

    TIM_ICInitStructure.TIM_Channel = TIM_Channel_1;                         //选择输入端 IC1映射到TI4上
    TIM_ICInitStructure.TIM_ICPolarity = TIM_ICPolarity_Falling;             //下降沿捕获
    TIM_ICInitStructure.TIM_ICSelection = TIM_ICSelection_DirectTI;          //通道一一对应
    TIM_ICInitStructure.TIM_ICPrescaler = TIM_ICPSC_DIV1;                    //配置输入分频,不分频 
    TIM_ICInitStructure.TIM_ICFilter =0;                                    //IC4F=0011 配置输入滤波器 8个定时器时钟周期滤波
    TIM_ICInit(TIM1, &TIM_ICInitStructure);                                  //初始化定时器输入捕获通道  

 //================================= 
    NVIC_InitStructure.NVIC_IRQChannel = TIM1_CC_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);    
    //=================================   
		


  /* Select the TIM3 Input Trigger: TIM_TS_TI1FP1 */
  //TIM_SelectInputTrigger(TIM3, TIM_TS_TI1FP1);  //选择输入触发源trgi

/* Select the slave Mode: Reset Mode */
 // TIM_SelectSlaveMode(TIM3, TIM_SlaveMode_Reset);
  //TIM_SelectMasterSlaveMode(TIM3,TIM_MasterSlaveMode_Enable);
  
	TIM_ITConfig(TIM1,TIM_IT_CC1,ENABLE);
	//TIM_ITConfig(TIM3,TIM_IT_Update,ENABLE);
	//TIM_ITConfig(TIM3,TIM_IT_Update,ENABLE);
	
	//TIM_ClearITPendingBit(TIM3, TIM_IT_Update);//??????
   TIM_ClearITPendingBit(TIM1, TIM_IT_CC1);//??????

	  TIM_Cmd(TIM1, ENABLE);
}





/*------------------------------- E O F ----------------------------------------*/