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Problem with the uart PIC 24FJ128GA006

 
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frankcr



Joined: 29 Apr 2010
Posts: 11

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Problem with the uart PIC 24FJ128GA006
PostPosted: Fri May 28, 2010 10:16 pm     Reply with quote
Hello I use the uart in the PIC24FJ128GA006, but I have this problem:
Quote:

"Undefined identifier PIC_C1"
"Undefined identifier PIC_C2"

This is part of my code:
Code:

.....
#use rs232(UART1,baud=9600,parity=N,bits=8)
...
#define CTS PIN_C1 //Clear to send
#define RTS PIN_C2 //Request to send
.....
// ********** INICIALIZA HOST USB ***************************
void inic_host()  {

   output_high(RTS);
   while(input(CTS));     //espero que el VDRIVE2 busque el pic
   output_low(RTS);       //le envio una respuesta
   
  serial_sendbyte('S'); //envía un SCS (habilitar comandos en modo corto)
   serial_sendbyte('C');
   serial_sendbyte('S');
   serial_sendbyte(0x0D);  //caracter para indicar fin del comando(enter)

}
//**************************************************

//***ENVIA UN CARACTER AL PUERTO SERIE ***********************

void serial_sendbyte(unsigned int8 TXbyte){ //ENVIAR UN CARACTER
   
      while(input(CTS));
      putc(TXbyte);
     
}

I have PCD 4.104. Can anyone help me?
FvM



Joined: 27 Aug 2008
Posts: 2337
Location: Germany

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PostPosted: Sat May 29, 2010 12:22 am     Reply with quote
The said chip has no C1 or C2 pin. They are only present with larger package types. Check the datasheet or CCS device file.
frankcr



Joined: 29 Apr 2010
Posts: 11

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PostPosted: Sat May 29, 2010 12:04 pm     Reply with quote
Thanks I saw my error, after I posted the problem.
I have other question: I need to especify the RX and TX pins?
FvM



Joined: 27 Aug 2008
Posts: 2337
Location: Germany

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PostPosted: Sun May 30, 2010 3:35 am     Reply with quote
PIC24FJ128GA006 has fixed UART pins. Specifying UART1 or UART2 in the #use rs232 statement is sufficient.
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