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dsPIC33FJ128GP802 on board DAC

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ROBERT-SANSOM

Joined: 16 Nov 2011
Posts: 2

dsPIC33FJ128GP802 on board DAC
Posted: Wed Nov 16, 2011 4:57 am

I am unable to get the on board DAC operational on dsPIC33FJ128GP802. Can anyone help with getting it set up? Cheers.

ROBERT-SANSOM

Joined: 16 Nov 2011
Posts: 2

Here is my code

Posted: Wed Nov 16, 2011 10:38 am

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Code:

#include <main.h>
#include <STDIO.H>

#use fixed_io(A_outputs=PIN_A0)
#use delay(clock=20000000)

#word DAC1CON =0x03F0
#word DAC1STAT =0x03F2
#word DAC1DFLT =0x03F4
#word DAC1RDAT =0x03F6
#word DAC1LDAT =0x03F8
#word ACLKCON =0x074A

//PORT A
#define LED PIN_A0

void main()
{
//Initialise DAC
disable_interrupts(INTR_GLOBAL);
DAC1CON=0b1001000000000001;
DAC1STAT=0b1000000100000000;
DAC1DFLT=0x0000;
//Auxiliary Clock
//ACLKCON=0b0010111100000000;
//Primary clock
ACLKCON=0b0000000010000000;
while(1)
{
output_high(LED);
delay_ms(500);
output_low(LED);
delay_ms(500);

DAC1LDAT=0xFFFF;
delay_ms(500);
DAC1LDAT=0X0000;
delay_ms(500);
}

// TODO: USER CODE!!

}[quote]

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