Svenska ElektronikForumet

Kod: Markera allt

//
// Example code for a NEXA transmitter produced by Sonny -11
// Needs adjustment depending of wich microcontroller choosen.
//

// Defines for connected processor port
#define TX_HI PORTB.F5 = 1
#define TX_LO PORTB.F5 = 0

unsigned long saved_sender = 123456; // The "remote-control" id
unsigned short saved_recicpient = 7; // Receiver channel
unsigned short saved_group = 0;      // no "group" message
unsigned short saved_action = 1;     // "on" :)
unsigned short PACKETS = 7;          // Packets to send out
//unsigned short true = 1;
//unsigned short false = 0;
unsigned char readbuff[64];
unsigned char writebuff[64];

char cnt;
char kk;

void interrupt(){
   USB_Interrupt_Proc();                   // USB servicing is done inside the interrupt
}

void sendBitNEXA(unsigned short b) {
    if (b == 1) {
        TX_HI;
        delay_us(320);
        TX_LO;
        delay_us(200);
    } else {
        TX_HI;
        delay_us(320);
        TX_LO;
        delay_us(1210);
    }
    return;
}

void sendPairNEXA(unsigned short b) {
    // Manchester data is 01 or 10, never 11 or 00
    if(b == 0) {
        sendBitNEXA(1);
        sendBitNEXA(0);
    } else {
        sendBitNEXA(0);
        sendBitNEXA(1);
    }
    return;
}

void transmitNEXA( unsigned long SenderID, unsigned short RecCh, unsigned short Group, unsigned short Enabled, unsigned short Repeats, unsigned short dimm){
  //
  // Takes approx. 80mS / packet
  //
  unsigned short i,cnt;
  unsigned long DA;
  unsigned short RCP;
  for (cnt = 0;cnt < Repeats;cnt++) {
      //
      DA = SenderID;
      RCP = RecCh;
      //
      TX_HI;
      delay_us(320);
      TX_LO;
      delay_us(2510);
      //
      for(i=0; i<26;i++) {     // Send bits 0-25 ,Device Address..
        //
         if((DA & 0x02000000)==0x02000000) {
             sendPairNEXA(1);
         } else {
             sendPairNEXA(0);
         }
         DA <<= 1;
      }

      // Send 26th bit - group 1/0
      sendPairNEXA(Group);

          // Send 27th bit - on/off 1/0
          if(Enabled == 2) {
              sendBitNEXA(1);
              sendBitNEXA(1);
          } else {
              sendPairNEXA(Enabled);
          }

          // 4 bit button
          //
          for(i=0; i<4;i++) {
             //
             if((RCP & 0x8)==0x8) {
                 sendPairNEXA(1);
             } else {
                 sendPairNEXA(0);
             }
             RCP <<= 1;
          }

          // 4 bit dimm level
          //
          if(Enabled == 2) {
              for(i=0; i<4;i++) {
                 //
                 if((dimm & 0x8)==0x8) {
                     sendPairNEXA(1);
                 } else {
                     sendPairNEXA(0);
                 }
                 dimm <<= 1;
              }
          }

      //
      // Now send "EndOfMessage" pattern ...
      //
      TX_HI;
      delay_us(310);
      TX_LO;
      delay_us(9810);  // put low for at least this time :)
  }
  //
  return;
}

void main(void){
  ADCON1 |= 0x0F;                         // Configure all ports with analog function as digital
  CMCON  |= 7;                            // Disable comparators
  PORTA = 0;
  TRISA = 0;
  PORTB = 0;
  TRISB = 0;
  HID_Enable(&readbuff,&writebuff);       // Enable HID communication
  Delay_ms(1000);
     while( 1 ) {
         while(!HID_Read());
         for(cnt=0;cnt<64;cnt++) {
             transmitNEXA(saved_sender, readbuff[0], readbuff[1], readbuff[2], readbuff[3], readbuff[4]);
             writebuff[cnt]=readbuff[cnt];
             /*if (readbuff[cnt] = ',') {
                 strToInt(readbuff[cnt]);
             } else if (readbuff[cnt] = 'S') {
             } else {
                 temp[tcnt]=readbuff[cnt];
                 tcnt++;
                 strToInt(readbuff[cnt]);
             } */
         }
         while(!HID_Write(&writebuff,64));
     }
}