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      1. 新聞中心

        EEPW首頁 > 嵌入式系統(tǒng) > 設(shè)計(jì)應(yīng)用 > 51單片機(jī)+315M無線射頻模塊接受程序

        51單片機(jī)+315M無線射頻模塊接受程序

        作者: 時(shí)間:2016-11-30 來源:網(wǎng)絡(luò) 收藏

        void Display_T()
        {
        DisplayOneChar(9,1,recv_buf[5]);
        DisplayOneChar(8,1,recv_buf[4]);
        DisplayOneChar(7,1,recv_buf[3]);
        DisplayOneChar(6,1,recv_buf[2]);
        DisplayOneChar(5,1,recv_buf[1]);
        DisplayOneChar(0,0,0x54);
        }

        本文引用地址:http://www.biyoush.com/article/201611/323697.htm

        #define SCMD_SET_PORT 0x51
        #define SCMD_GET_PORT 0x52

        #define SCMD_RESET 0x61

        #define SCMD_LCD_OUTSTR 0x71
        #define SCMD_LCD_RESET 0x72
        #define SCMD_LCD_SETXY 0x73
        #define SCMD_LCD_SETLINE 0x74
        #define SCMD_LCD_CLEAR 0x75


        #define SRESP_GET_PORT_ERROR 0x41
        #define SRESP_SET_PORT_ERROR 0x42

        #define HEART_BEAT_INTERVAL 200//心跳間隔 X / 1000 秒
        unsigned int heart_beat_timer = HEART_BEAT_INTERVAL;
        unsigned int last_jiffies=0;


        void main(){
        Delay400Ms(); //啟動(dòng)等待,等LCM講入工作狀態(tài)
        LCMInit(); //LCM初始化
        Delay5Ms(); //延時(shí)片刻(可不要)
        mychar(10,1); //顯示 自定義字符
        init_serialcomm();
        P0=0x0ff;
        P2=0x00;
        sys_init();


        //send_string_com("ok",2);
        //lcd_reset();
        //lcd_power_on();
        //lcd_self_test();

        while(1){
        if (jiffies - last_jiffies >= 20){//每次中斷為50us,所以要20次才為1ms
        last_jiffies = jiffies;
        heart_beat_timer--;
        if (send_delay)
        send_delay--;
        }

        if (heart_beat_timer == 0){
        heart_beat_timer = HEART_BEAT_INTERVAL;

        while(1) {recv();if (recv_stat == RECV_SUCCESS)
        {
        P0_0=~P0_0;
        send_string_com(recv_buf,strlen(recv_buf));
        Display_T();
        recv_stat = 0;break;}
        recv_stat = 0;
        }
        }

        /*#if 0
        if (send_stat == 0){
        //碰撞測(cè)試
        START_SEND(8);
        send_buf[1]=T;
        send_buf[2]=e;
        send_buf[3]=s;
        send_buf[4]=t;
        send_buf[5]=O;
        send_buf[6]=k;
        send_buf[7]=!;

        lcd_out_string("sending:");
        //send_string_com(send_buf,strlen(send_buf));
        printhex(send_buf[0]);
        printhex(send_buf[1]);
        }
        #endif
        */
        wirless();

        if (send_stat == SEND_FAILED){


        send_stat = 0;

        }else if (send_stat == SEND_SUCCESS){
        send_stat = 0;
        P2_3=~P2_3;

        }
        //recv();
        //send_string_com("start",5);
        /*while(1) {recv();if (recv_stat == RECV_SUCCESS)
        {
        P0_0=~P0_0;
        send_string_com(recv_buf,strlen(recv_buf));} }*/
        /*if (recv_stat == RECV_SUCCESS){
        //send_string_com("test1",5);
        #if 1
        //unsigned int i;
        //for(i=0; i//serial_out(recv_buf[i]);//輸出接收到的字符
        P0_0=~P0_0;
        send_string_com(recv_buf,strlen(recv_buf));
        #else
        //if (recv_buf[1]==o)
        //P0=0x00;
        //lcd_out_string("data recived:");
        //printhex(recv_buf[0]);
        //printhex(recv_buf[1]);
        //OutChar();
        //send_string_com("test3",5);
        #endif
        recv_stat = 0;
        }
        */
        #if 0
        if (RI){
        unsigned char scmd[17];
        heart_beat_timer = HEART_BEAT_INTERVAL;
        wait_serial(scmd, 1, 0);
        switch(scmd[0]){
        case SCMD_RESET:
        ((void (code *) (void))0x0000) ();//軟件復(fù)位
        case SCMD_SET_PORT:
        if (wait_serial(scmd, 2, 200))
        break;
        switch(scmd[0]){
        case 0:
        P0 = scmd[1];
        break;
        case 1:
        P1 = scmd[1];
        break;
        case 2:
        P2 = scmd[1];
        break;
        case 3:
        P3 = scmd[1];
        break;
        }
        break;
        case SCMD_GET_PORT:
        if (wait_serial(scmd, 1, 200))
        break;
        switch(scmd[0]){
        case 0:
        serial_out(P0);
        break;
        case 1:
        serial_out(P1);
        break;
        case 2:
        serial_out(P2);
        break;
        case 3:
        serial_out(P3);
        break;
        }
        break;
        case SCMD_LCD_OUTSTR:
        if (wait_serial(scmd, 1, 200))
        break;
        scmd[scmd[0]] = 0;
        if (wait_serial(scmd, scmd[0], 200))
        break;
        lcd_out_string(scmd);
        break;
        case SCMD_LCD_RESET:
        lcd_reset();
        break;
        case SCMD_LCD_CLEAR:
        lcd_clear();
        break;
        case SCMD_LCD_SETXY:
        if (wait_serial(scmd, 2, 200))
        break;
        SetXY(scmd[0], scmd[1]);
        break;
        case SCMD_LCD_SETLINE:
        if (wait_serial(scmd, 1, 200))
        break;
        SetLine(scmd[0]);
        break;
        default:
        break;
        }
        }
        #endif
        }
        }


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