moyuhai
138 lines
2.7 KiB
C
138 lines
2.7 KiB
C
#ifndef _rf_send_C_
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#define _rf_send_C_
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/*********************************************************************************************************************/
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#include "ca51f5_config.h"
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#include "includes\ca51f5sfr.h"
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#include "includes\ca51f5xsfr.h"
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#include "includes\gpiodef_f5.h"
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#include "Library\Includes\delay.h"
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#include "rf_send.h"
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sbit Pin_rf = P0^7;
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unsigned char D0,D1;
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unsigned int idata ID;
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unsigned char RF_Time; //用于控制RF发送间隔时间
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unsigned char Send433_Status = 0; //发送过程的状态
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unsigned int Send433_Time = 0; //记录433发送数据的高低电平时间
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unsigned char Yaokong_Data[3]={0};
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unsigned char Send433_Byte_Cont=0;//记录发送一组433数据的字节数
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unsigned char Send433_Bit_Cont = 0; //记录发送位
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unsigned char Temp=0;
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unsigned char Chose_Data_En=0;//使能选择一组433数据的第N个字节
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void Send433_Byte(void) //100us执行一次
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{
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switch (Send433_Status)
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{
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case 0: //同步头高
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Pin_rf = 1;
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if (++Send433_Time >= 4)//高电平400us
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{
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Send433_Time = 0;
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Send433_Status = 1; //进入同步头低
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}
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break;
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case 1://同步头低电平
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Pin_rf = 0;
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if (++Send433_Time >= 120)//电平12300us
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{
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Send433_Time = 0;
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Send433_Status = 2; //进入发送24位
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}
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break;
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case 2:
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if(!Chose_Data_En)//还没开始发送 或者上次已经发送完一个字节才使能选择
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{
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Chose_Data_En=1;
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Temp=Yaokong_Data[Send433_Byte_Cont];
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//Send433_Byte_Cont++;
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}
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Send433_Time++;
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if (Temp & 0x80) //1
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{
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if (Send433_Time <= 12)
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{
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Pin_rf = 1;
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}
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else if (Send433_Time >= 13)
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{
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Pin_rf = 0;
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if (Send433_Time == 16)
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{
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Send433_Time = 0;
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Temp <<= 1;
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Send433_Bit_Cont++;
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}
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}
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}
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else//0
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{
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if (Send433_Time <= 4)
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{
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Pin_rf = 1;
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}
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else if (Send433_Time >= 5)
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{
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Pin_rf = 0;
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if (Send433_Time == 16)
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{
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Send433_Time = 0;
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Temp <<= 1;
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Send433_Bit_Cont++;
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}
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}
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}
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if (Send433_Bit_Cont == 8)//发送完一字节
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{
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Send433_Bit_Cont = 0;
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Chose_Data_En=0;//使能选择下一个字节
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if(++Send433_Byte_Cont==3)
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{
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Send433_Byte_Cont=0;
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if(flagStart == 1)
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{
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Send433_Status = 3; //结束脉冲
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}
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else
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{
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Send433_Status = 0; //一帧数据发送完毕
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// if(WheelSliderPosition == -1)
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// {
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// Send433_Status = 3;
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// }
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}
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}
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}
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break;
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case 3:
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if (++Send433_Time <= 4)
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{
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Pin_rf = 1;
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}
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else
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{
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Pin_rf = 0;
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Send433_Time = 0;
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// flagStart = 0;
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Send433_Status = 0;
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TR0 = 0; //定时器0禁止
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}
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break;
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default:
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break;
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}
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}
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#endif |