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基于stm32的紅外解碼源程序 大家看不懂可以問我
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作者:
zhu56139902
時間:
2018-1-31 15:48
標題:
基于stm32的紅外解碼源程序 大家看不懂可以問我
qq1175630462只需要去讀取發射部分的對應的碼值什么都能解
單片機源程序如下:
#include "ir.h"
#include "LED.h"
#include "usart.h"
#include "control.h"
char IR_charge_states_after[3]={0};
char IR_charge_states[3]={0};
IR_OBJ IR_DATA[7]={0};
//正在接受紅外接收的狀態
u8 ready_ok=0;
void IR_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
GPIO_InitStructure.GPIO_Pin=GPIO_Pin_4;
GPIO_InitStructure.GPIO_Mode=GPIO_Mode_IPU;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0;
GPIO_InitStructure.GPIO_Mode=GPIO_Mode_IPU;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin=GPIO_Pin_1;
GPIO_InitStructure.GPIO_Mode=GPIO_Mode_IPU;
GPIO_Init(GPIOA, &GPIO_InitStructure);
}
//外部中斷
static void IR_EXTI_Init(void)
{
EXTI_InitTypeDef EXTI_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO,ENABLE);
GPIO_EXTILineConfig(GPIO_PortSourceGPIOA,GPIO_PinSource4);
GPIO_EXTILineConfig(GPIO_PortSourceGPIOA,GPIO_PinSource0);
GPIO_EXTILineConfig(GPIO_PortSourceGPIOA,GPIO_PinSource1);
EXTI_InitStructure.EXTI_Line=EXTI_Line0|EXTI_Line1|EXTI_Line4;
EXTI_InitStructure.EXTI_LineCmd= ENABLE;
EXTI_InitStructure.EXTI_Mode=EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger= EXTI_Trigger_Falling;
EXTI_Init(&EXTI_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel= EXTI4_IRQn;
NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority=1;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn; //設置中斷優先級
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
//頂
NVIC_InitStructure.NVIC_IRQChannel = EXTI1_IRQn; //設置中斷優先級
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
//只用到定時器的計數功能故不開啟定時器更新中斷、不必配置中斷優先級。
static void IR_TIM_Init(void)
{
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
TIM_TimeBaseStructure.TIM_Period=59999;
TIM_TimeBaseStructure.TIM_Prescaler=719;
TIM_TimeBaseStructure.TIM_ClockDivision=TIM_CKD_DIV1;
TIM_TimeBaseStructure.TIM_CounterMode=TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
// TIM_SetAutoreload(TIM2, 60000);//手動設置ARR
TIM_ITConfig(TIM2,TIM_IT_Update,DISABLE );
TIM_Cmd(TIM2, ENABLE);
}
void IR_Init(void)
{
IR_GPIO_Init();
IR_EXTI_Init();
IR_TIM_Init();
}
//紅外解碼
static void IR_RECEIVE(IR_OBJ *IR_DATA_INTENAL,char number)
{
int T_val=0;
T_val=(TIM2->CNT>IR_DATA_INTENAL->ITC)?(TIM2->CNT-IR_DATA_INTENAL->ITC):(60000-IR_DATA_INTENAL->ITC+TIM2->CNT);
IR_DATA_INTENAL->ITC=TIM2->CNT;
if(T_val>1300&&T_val<1400&&ready_ok==0)//引導碼
{
ready_ok=1;
IR_DATA_INTENAL->Flag_Data=0;
IR_DATA_INTENAL->Flag_ROK=0;//receive ok
IR_DATA_INTENAL->AdressCode=0;
IR_DATA_INTENAL->AdressCode1=0;
IR_DATA_INTENAL->Ir_OrderCode=0;
IR_DATA_INTENAL->Ir_OrderCode1=0;
IR_DATA_INTENAL->RepeatSen=0;
}
else if(T_val>100&&T_val<140)//低電平
{
if(IR_DATA_INTENAL->Flag_Data<8)
{
IR_DATA_INTENAL->AdressCode&=(u8)~(1<<IR_DATA_INTENAL->Flag_Data);
IR_DATA_INTENAL->Flag_Data++;
}
else if(IR_DATA_INTENAL->Flag_Data>=8&IR_DATA_INTENAL->Flag_Data<16)
{
IR_DATA_INTENAL->AdressCode1&=(u8)~(1<<IR_DATA_INTENAL->Flag_Data);
IR_DATA_INTENAL->Flag_Data++;
}
else if(IR_DATA_INTENAL->Flag_Data>=16&IR_DATA_INTENAL->Flag_Data<24)
{
IR_DATA_INTENAL->Ir_OrderCode&=(u8)~(1<<IR_DATA_INTENAL->Flag_Data);
IR_DATA_INTENAL->Flag_Data++;
}
else if(IR_DATA_INTENAL->Flag_Data>=24&IR_DATA_INTENAL->Flag_Data<32)
{
IR_DATA_INTENAL->Ir_OrderCode1&=(u8)~(1<<IR_DATA_INTENAL->Flag_Data);
IR_DATA_INTENAL->Flag_Data++;
if(IR_DATA_INTENAL->Flag_Data==32)
{
IR_DATA[6].Flag_ROK=1;
IR_DATA[6].Flag_Data=IR_DATA_INTENAL->Flag_Data;
IR_DATA[6].AdressCode=IR_DATA_INTENAL->AdressCode;
IR_DATA[6].AdressCode1=IR_DATA_INTENAL->AdressCode1;
IR_DATA[6].Ir_OrderCode=IR_DATA_INTENAL->Ir_OrderCode;
IR_DATA[6].Ir_OrderCode1=IR_DATA_INTENAL->Ir_OrderCode1;
IR_DATA[6].RepeatSen=IR_DATA_INTENAL->RepeatSen;
IR_DATA_INTENAL->Flag_Data=0;
IR_DATA_INTENAL->AdressCode = 0;
IR_DATA_INTENAL->AdressCode1 = 0;
IR_DATA_INTENAL->Ir_OrderCode = 0;
IR_DATA_INTENAL->Ir_OrderCode1 = 0;
IR_DATA_INTENAL->RepeatSen = 0;
}
}
}
else if(T_val>200&&T_val<240)//高電平
{
if(IR_DATA_INTENAL->Flag_Data<8)
{
IR_DATA_INTENAL->AdressCode|=(u8)(1<<IR_DATA_INTENAL->Flag_Data);
IR_DATA_INTENAL->Flag_Data++;
}
else if(IR_DATA_INTENAL->Flag_Data>=8&IR_DATA_INTENAL->Flag_Data<16)
{
IR_DATA_INTENAL->AdressCode1|=(u8)(1<<IR_DATA_INTENAL->Flag_Data);
IR_DATA_INTENAL->Flag_Data++;
}
else if(IR_DATA_INTENAL->Flag_Data>=16&IR_DATA_INTENAL->Flag_Data<24)
{
IR_DATA_INTENAL->Ir_OrderCode|=(u8)(1<<IR_DATA_INTENAL->Flag_Data);
IR_DATA_INTENAL->Flag_Data++;
}
else if(IR_DATA_INTENAL->Flag_Data>=24&IR_DATA_INTENAL->Flag_Data<32)
{
IR_DATA_INTENAL->Ir_OrderCode1|=(u8)(1<<IR_DATA_INTENAL->Flag_Data);
IR_DATA_INTENAL->Flag_Data++;
if(IR_DATA_INTENAL->Flag_Data==32)
{
IR_DATA[6].Flag_ROK=1;
IR_DATA[6].Flag_Data=IR_DATA_INTENAL->Flag_Data;
IR_DATA[6].AdressCode=IR_DATA_INTENAL->AdressCode;
IR_DATA[6].AdressCode1=IR_DATA_INTENAL->AdressCode1;
IR_DATA[6].Ir_OrderCode=IR_DATA_INTENAL->Ir_OrderCode;
IR_DATA[6].Ir_OrderCode1=IR_DATA_INTENAL->Ir_OrderCode1;
IR_DATA[6].RepeatSen=IR_DATA_INTENAL->RepeatSen;
IR_DATA_INTENAL->Flag_Data=0;
IR_DATA_INTENAL->AdressCode = 0;
IR_DATA_INTENAL->AdressCode1 = 0;
IR_DATA_INTENAL->Ir_OrderCode = 0;
IR_DATA_INTENAL->Ir_OrderCode1 = 0;
IR_DATA_INTENAL->RepeatSen = 0;
}
}
}
else if(T_val>1000 && T_val<1200) //11.25ms
{
IR_DATA_INTENAL->RepeatSen++;
if(32==IR_DATA_INTENAL->Flag_Data)
{
IR_DATA[6].Flag_ROK =1;
IR_DATA[6].Flag_Data = IR_DATA_INTENAL->Flag_Data;
IR_DATA[6].AdressCode = IR_DATA_INTENAL->AdressCode;
IR_DATA[6].AdressCode1 = IR_DATA_INTENAL->AdressCode1;
IR_DATA[6].Ir_OrderCode= IR_DATA_INTENAL->Ir_OrderCode;
IR_DATA[6].Ir_OrderCode1 = IR_DATA_INTENAL->Ir_OrderCode1;
IR_DATA[6].RepeatSen = IR_DATA_INTENAL->RepeatSen;
IR_DATA_INTENAL->Flag_Data = 0;
IR_DATA_INTENAL->AdressCode = 0;
IR_DATA_INTENAL->AdressCode1 = 0;
IR_DATA_INTENAL->Ir_OrderCode = 0;
IR_DATA_INTENAL->Ir_OrderCode1 = 0;
IR_DATA_INTENAL->RepeatSen = 0;
}
}
if((7==IR_DATA_INTENAL->Flag_Data)&&((IR_DATA_INTENAL->AdressCode==0x18)||(IR_DATA_INTENAL->AdressCode==0x05)||(IR_DATA_INTENAL->AdressCode==0x20)))
{
//IR_DATA_INTENAL->Flag_RECEIVE_OK = 1;
IR_charge_states_after[number]|=Charge_data_calc(&IR_DATA[number]);
IR_charge_states[number]|=IR_charge_states_after[number];
}
}
//紅外充電座數據處理
char Charge_data_calc(IR_OBJ *IR_DATA_INTENAL)
{
char temp=0;
switch(IR_DATA_INTENAL->AdressCode)
{
case 0x18: //充電座防碰撞保護區域
{
temp=IR_Home_close;
break;
}
case 0x05: //充電座右方發光區域
{
temp=IR_Home_Right;
break;
}
case 0x20: //充電座左方發光區域
{
temp=IR_Home_Left;
break;
}
default: break;
}
IR_DATA_INTENAL->AdressCode=0; //置零
IR_DATA_INTENAL->Flag_ROK=0;
return temp;
}
//頂
void EXTI0_IRQHandler(void)
{
if(EXTI_GetITStatus(EXTI_Line0))
……………………
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紅外解碼部分.rar
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jhsusan2008
時間:
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好東西 看一看
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將近2000的查看,回復卻只有一個,都是拿來主義
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記號一下,不錯
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謝謝分享!!!
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