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PIC18F24j50 -> USB dont work !!

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slaxtrack

Joined: 09 Jul 2010
Posts: 2

PIC18F24j50 -> USB dont work !!

Posted: Tue Jul 13, 2010 11:21 pm

compiler -> 4.104 CCS
Xtal --> 20 Mhz (resonator)

My program:

Code:

#include <18F24J50.h>
#device adc=8

#FUSES NOWDT //No Watch Dog Timer
#FUSES WDT128 //Watch Dog Timer uses 1:128 Postscale
#FUSES HSPLL //High Speed Crystal/Resonator with PLL enabled
#FUSES NODEBUG //No Debug mode for ICD
#FUSES NOXINST //Extended set extension and Indexed Addressing mode disabled (Legacy mode)
#FUSES STVREN //Stack full/underflow will cause reset
#FUSES NOPROTECT //Code not protected from reading
#FUSES FCMEN //Fail-safe clock monitor enabled
#FUSES IESO //Internal External Switch Over mode enabled
#FUSES IOL1WAY //Allows only one reconfiguration of peripheral pins
#FUSES PRIMARY //Primary clock is system clock when scs=00
#FUSES NOWPCFG
#FUSES WPEND
#FUSES WPDIS
#FUSES NOCPUDIV
#FUSES LPT1OSC //Timer1 configured for low-power operation
#FUSES T1DIG
#FUSES MSSPMSK7
#FUSES PLLDIV5
#FUSES DSWDT2147483648
#FUSES DSWDT
#FUSES DSBOR
#FUSES RTCOSC_T1
#FUSES DSWDTOSC_INT
#FUSES WPFP0
#FUSES WPFP1
#FUSES WPFP2
#FUSES WPFP3
#FUSES WPFP4
#FUSES WPFP5

#use delay(clock=48000000)
#use rs232(baud=9600,parity=N,xmit=PIN_C6,rcv=PIN_C7,bits=8)

#include <usb_cdc.h>

void main(void)
{
char c;
usb_init_cs();

while (TRUE)
{
usb_task();
if (usb_cdc_kbhit())
{
c=usb_cdc_getc();
usb_cdc_putc(c+1);
}
}
}

ERROR ---> Unknown device on my PC Sad

help me guys please !

rwskinner

Joined: 08 Dec 2006
Posts: 125
Location: Texas

Posted: Sun Jul 18, 2010 8:11 am

Did you get it going?

Here is some of my stuff....

Code:

#FUSES HSPLL
#FUSES PLLDIV5
#FUSES NOCPUDIV
#FUSES NOXINST
#FUSES NOPROTECT
#FUSES NOLPT1OSC
#FUSES PRIMARY
#USE delay(clock=48000000)

Also, you have to set the PLL up manually in the beginning of your Main....

Code:

setup_oscillator(OSC_PLL_ON);

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