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Help on CDC serial emulator and PIC18F46J50

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alexandrecf80

Joined: 04 May 2010
Posts: 1

Help on CDC serial emulator and PIC18F46J50

Posted: Tue May 04, 2010 8:14 am

Hi,

I need an example code for CDC serial emulator on PIC18F46J50.

My code works great on PIC18F4550, but the device is not recognized when I compile for PIC18F46J50.

Code:

#include <18F4550.h>

//configure a 8MHz crystal to operate at 48MHz
#fuses PLL2,CPUDIV1,USBDIV,HSPLL,NOFCMEN,NOIESO,BROWNOUT,BORV20,VREGEN,NOWDT,WDT32768,MCLR,NOLPT1OSC,NOPBADEN,CCP2C1,STVREN,NOPROTECT,NOCPB,NOCPD,NOWRT,NOWRTC,WRTB,NOWRTD
#use delay(clock=48000000)

#include <usb_cdc.h>

int8 data,i=0;

void main()
{
unsigned long int a;

usb_cdc_init();
usb_init();

a=0;

while(!usb_cdc_connected())
{
   }

do
{
usb_task();

   output_low(PIN_D0);
   delay_ms(500);
   output_high(PIN_D0);
   delay_ms(500);

   if (usb_enumerated())
   {
      if(usb_cdc_kbhit())
      {
         data = usb_cdc_getc();
         output_low(PIN_D0);
         if(data == 0x00)
         {
            usb_cdc_putc(0x00);
         }
         else
         {
            usb_cdc_putc(0xFF);
         }
         delay_ms(50);
      }
   }
} while (TRUE);
}

Thanks,

Alexandre

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