Microchip Technology MPLAB ICD 3 User Manual page 37

counter.c
/*****************************************************************************
* MPLAB ICD 3 In-Circuit Debugger Tutorial
* Counting program
*
*****************************************************************************
* Demo Board: Explorer 16
* Processor: PIC24FJ128GA010
* Compiler: MPLAB C30
* Linker: MPLAB LINK30
* Company: Microchip Technology Incorporated
*
*****************************************************************************/
#include "p24FJ128GA010.h"
// Set up configuration bits
_CONFIG1( JTAGEN_OFF & GCP_OFF & GWRP_OFF & COE_OFF & FWDTEN_OFF & ICS_PGx2)
_CONFIG2( FCKSM_CSDCMD & OSCIOFNC_ON & POSCMOD_HS & FNOSC_PRI )
void TimerInit(void);
unsigned char TimerIsOverflowEvent(void);
// Set up user-defined variables
#define INIT_COUNT
unsigned int counter;
int main(void)
{
// Set up PortA IOs as digital output
AD1PCFG = 0xffff;
TRISA = 0x0000;
// Set up Timer1
TimerInit();
// Initialize variables
counter = INIT_COUNT;
while (1) {
// Wait for Timer1 overflow
if (TimerIsOverflowEvent()){
counter++; //increment counter
PORTA = counter;
}// End of if...
}// End of while loop...
}// End of main()...
© 2008 Microchip Technology Inc.
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//display on port LEDs
Tutorial
DS51766A-page 31