a2d.h

/*! \file a2d.h \brief Analog-to-Digital Converte Driver for LPC2000. */
//*****************************************************************************
//
// File Name    : 'a2d.h'
// Title        : Analog-to-Digital Converte Driver for LPC2000
// Author       : Pascal Stang - Copyright (C) 2006
// Created      : 2006.04.09
// Revised      : 2006.04.15
// Version      : 0.1
// Target MCU   : LPC2000 ARM processors
// Editor Tabs  : 4
//
// This code is distributed under the GNU Public License
//      which can be found at http://www.gnu.org/licenses/gpl.txt
//
//*****************************************************************************

#ifndef A2D_H
#define A2D_H

#include "global.h"

// register bits
#define ADCR_SEL_MASK       (0xFF)
#define ADCR_CLKDIV_MASK    (0xFF<<8)
#define ADCR_BURST          (1<<16)

#define ADCR_CLKS_10BIT     (0<<17)
#define ADCR_CLKS_9BIT      (1<<17)
#define ADCR_CLKS_8BIT      (2<<17)
#define ADCR_CLKS_7BIT      (3<<17)
#define ADCR_CLKS_6BIT      (4<<17)
#define ADCR_CLKS_5BIT      (5<<17)
#define ADCR_CLKS_4BIT      (6<<17)
#define ADCR_CLKS_3BIT      (7<<17)
#define ADCR_CLKS_MASK      (7<<17)

#define ADCR_PDN            (1<<21)

#define ADCR_START_NOW      (1<<24)
#define ADCR_START_MASK     (7<<24)

#define ADCR_EDGE           (1<<27)

#define ADDR_DONE           (1<<31)
#define ADDR_OVERUN         (1<<31)
#define ADDR_CHN_MASK       (7<<24)
#define ADDR_VALUE_MASK     (0xFFFF)

void a2dInit(void);
int a2dConvert(int channel);

#endif

---