STM32F10x单片机红外接收管解析键码程序

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已于 2024-03-04 23:11:43 修改 · 523 阅读

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#单片机 #stm32 #嵌入式硬件

于 2024-03-04 23:00:48 首次发布

优快云平台上红外接收相关代码存在编译错误问题，现分享无编译错误（0 error，0 warning）的代码，包含.c、.h、main等文件，还有oled、led相关的.c和.h文件。

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鉴于优快云平台关于红外接收的相关代码均存在编译错误的问题，现直接呈现0 error，0 warning的代码

#include "stm32f10x.h"                  // Device header

unsigned char IR_State;
unsigned char IR_RepeatFlag;
//unsigned char IR_Data[4];
unsigned char IR_pData;

unsigned char IR_DataFlag;
unsigned char IR_RepeatFlag;
unsigned char IR_Address;
unsigned char IR_Slave;
unsigned char IR_Datas;
unsigned char IR_Command;

unsigned char IR_Sta;
uint32_t IR_Up;
uint32_t IR_ThisPulse,IR_LastPulse;
uint32_t IR_PulseSub;
uint32_t IR_PulseCnt;
uint8_t IR_Data[60];
uint32_t StartRevFlag,RevComplete,IR_Tick,IR_Idx;
uint32_t flag,LianFaCnt;


uint32_t All_Time,i,j;

uint32_t result;

void IC_Init(void)
{
	RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3,ENABLE);//因为TIM2已经是要输出PWM，所以用TIM3
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE);
	
	GPIO_InitTypeDef GPIO_InitStruction;
	GPIO_InitStruction.GPIO_Mode = GPIO_Mode_IPU;//
	GPIO_InitStruction.GPIO_Pin = GPIO_Pin_6;
	GPIO_InitStruction.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(GPIOA,&GPIO_InitStruction);
	
	TIM_InternalClockConfig(TIM3);//定时器TIM3选择内部时钟
	
	TIM_TimeBaseInitTypeDef TIM_TimerBaseInitStruction;
	TIM_TimerBaseInitStruction.TIM_ClockDivision = TIM_CKD_DIV1;//影响不大
	TIM_TimerBaseInitStruction.TIM_CounterMode = TIM_CounterMode_Up;//选择向上计数模式
	TIM_TimerBaseInitStruction.TIM_Period = 0xffff;//ARR，最多20ms溢出
	TIM_TimerBaseInitStruction.TIM_Prescaler = 144-1;//预分频器,(计数的频率)(PSC)   2us
	TIM_TimerBaseInitStruction.TIM_RepetitionCounter = 0;//重复计数器，是高级定时器里的,TIM2通用定时器没有
	TIM_TimeBaseInit(TIM3,&TIM_TimerBaseInitStruction);//配置时基单元函数

	TIM_ICInitTypeDef TIM_ICInitStruction;
	TIM_ICInitStruction.TIM_Channel = TIM_Channel_1;
	TIM_ICInitStruction.TIM_ICFilter = 0x03;//滤波器
	TIM_ICInitStruction.TIM_ICPolarity = TIM_ICPolarity_Falling;
	TIM_ICInitStruction.TIM_ICPrescaler = TIM_ICPSC_DIV1;//不分频是每次触发都有效，2分频就是每隔一次触发一次、分频器
	TIM_ICInitStruction.TIM_ICSelection = TIM_ICSelection_DirectTI;//直连通道或交叉通道的输入
	TIM_ICInit(TIM3,&TIM_ICInitStruction);
	
//	TIM_SelectInputTrigger(TIM3,TIM_TS_TI1FP1);//选择触发源
//	TIM_SelectSlaveMode(TIM3,TIM_SlaveMode_Reset);//选择触发之后执行的复位操作 -->需要频闭这两行代码
	
	TIM_ITConfig(TIM3, TIM_IT_CC1 | TIM_IT_Update, ENABLE );//允许更新中断 ,允许CC1IE捕获中断
	TIM_ClearFlag(TIM3,TIM_IT_CC1 | TIM_IT_Update);
	NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
	NVIC_InitTypeDef NVIC_InitStructure;
	NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn;  //TIM3中断
	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;  //先占优先级0级
	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;  //从优先级3级
	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQ通道被使能
	NVIC_Init(&NVIC_InitStructure);  //根据NVIC_InitStruct中指定的参数初始化外设NVIC寄存器	
	
	TIM_Cmd(TIM3,ENABLE);
}

uint32_t IC_GetFreq(void)
{
	return 500000/(TIM_GetCapture1(TIM3)+1);
}


uint32_t IC_GetTime(void)
{
	return TIM_GetCapture1(TIM3)+1;
}


unsigned char IR_GetDataFlag(void)//得到数据
{
	if(IR_DataFlag)
	{
		IR_DataFlag=0;
		return 1;
	}
	return 0;
}

unsigned char IR_GetRepeatFlag(void)//重发
{
	if(IR_RepeatFlag)
	{
		IR_RepeatFlag=0;
		return 1;
	}
	return 0;
}


unsigned char IR_GetAddress(void)//得到地址
{
	return IR_Address;
}


unsigned char IR_GetSlave(void)//得到命令字，一般是固定的
{
	return IR_Slave;
}

unsigned char IR_GetDatas(void)