d2a.c

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/*! \file d2a.c \brief Digital-to-Analog Converter Driver for ADuC7000. */
//*****************************************************************************
//
// File Name    : 'd2a.c'
// Title        : Digital-to-Analog Converter Driver for ADuC7000
// Author       : Pascal Stang - Copyright (C) 2005
// Created      : 2/5/2005
// Revised      : 2/5/2005
// Version      : 0.1
// Target MCU   : Analog Devices ADuC7000 ARM Series
// Editor Tabs  : 4
//
// This code is distributed under the GNU Public License
//      which can be found at http://www.gnu.org/licenses/gpl.txt
//
//*****************************************************************************

#include "aduc7026.h"

#include "global.h"
#include "d2a.h"

// functions
void d2aInit(void)
{
    #define DACBYP              (1<<6)
    #define DACCLK              (1<<5)
    #define DACCLR              (1<<4)
    #define DACRANGE_PWRDOWN    (0x00)
    #define DACRANGE_DACREF     (0x01)
    #define DACRANGE_AREF       (0x02)
    #define DACRANGE_AVDD       (0x03)

    // set DAC to ON, range to 0-AVdd
    DAC0CON |= DACCLR | DACRANGE_AVDD;
    DAC1CON |= DACCLR | DACRANGE_AVDD;
    DAC2CON |= DACCLR | DACRANGE_AVDD;
    DAC3CON |= DACCLR | DACRANGE_AVDD;
}

void d2aSet(int channel, int level)
{
    DAC->Channel[channel].Data = level<<16;
}

---