dac.c

	
/*
 * dac.c
 *  Created on: 17/10/2017
 *      Author: Evandro Teixeira
 */
#include "dac.h"
 
/****************************************************************************************
*
*****************************************************************************************/
void dac_Init(void)
{
	// DAC0 clock enabled
	SIM_SCGC6 |= SIM_SCGC6_DAC0_MASK;
 
	// Clear status register
	DAC0_SR = 0x00;
 
	// The DAC system is enabled
	DAC0_C0 = DAC_C0_DACEN_MASK ;
}
/****************************************************************************************
*
*****************************************************************************************/
bool dac_Output(uint16_t value)
{
	uint8_t msb = 0;
	uint8_t lsb = 0;
 
    if(value < 4096)
    {
    	msb = (uint8_t)(value >> 8);
    	lsb = (uint8_t)(value);
 
    	DAC0_DAT0L = lsb;
    	DAC0_DAT0H = msb;
 
    	return true;
    }
    else return false;
}
/********************************************************************************