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/*------------------------------------------------------------------------------
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-- This file is a part of the libuc, microcontroler library
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-- Copyright (C) 2013, Alexis Jeandet
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--
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation; either version 3 of the License, or
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-- (at your option) any later version.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program; if not, write to the Free Software
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-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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-------------------------------------------------------------------------------
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-- Author : Alexis Jeandet
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-- Mail : alexis.jeandet@member.fsf.org
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-------------------------------------------------------------------------------*/
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#ifndef STMPE811_H
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#define STMPE811_H
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#include <stdio.h>
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#include <genericTC_Controler.h>
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#include <spi.h>
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#define ADS7843_CONFIG_MASK 0x0F
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#define ADS7843_MODE_8BITS 0x08
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#define ADS7843_MODE_12BITS 0x00
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#define ADS7843_REFMODE_SINGLE 0x04
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#define ADS7843_REFMODE_DIFF 0x00
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#define ADS7843_POWER_ADC_ON 0x01
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#define ADS7843_POWER_ADC_OFF 0x00
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#define ADS7843_POWER_REF_ON 0x02
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#define ADS7843_POWER_REF_OFF 0x00
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#define ADS7843_START 0x80
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#define ADS7843_MEAS_X_POS 0x50
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#define ADS7843_MEAS_Y_POS 0x10
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#define ADS7843_MEAS_Z1_POS 0x30
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#define ADS7843_MEAS_Z2_POS 0x40
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#define ADS7843_MEAS_X_POS_SINGLE (ADS7843_MEAS_X_POS |ADS7843_REFMODE_SINGLE)
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#define ADS7843_MEAS_Y_POS_SINGLE (ADS7843_MEAS_Y_POS |ADS7843_REFMODE_SINGLE)
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#define ADS7843_MEAS_Z1_POS_SINGLE (ADS7843_MEAS_Z1_POS|ADS7843_REFMODE_SINGLE)
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#define ADS7843_MEAS_Z2_POS_SINGLE (ADS7843_MEAS_Z2_POS|ADS7843_REFMODE_SINGLE)
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#define ADS7843_MEAS_TEMP0_SINGLE ( 0x00 |ADS7843_REFMODE_SINGLE)
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#define ADS7843_MEAS_TEMP1_SINGLE ( 0x70 |ADS7843_REFMODE_SINGLE)
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#define ADS7843_MEAS_AUX_SINGLE ( 0x60 |ADS7843_REFMODE_SINGLE)
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#define ADS7843_MEAS_VBAT_SINGLE ( 0x20 |ADS7843_REFMODE_SINGLE)
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#define ADS7843_MEAS_Z2_POS_SINGLE (ADS7843_MEAS_Z2_POS|ADS7843_REFMODE_SINGLE)
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#define ADS7843_MEAS_X_POS_DIFF (ADS7843_MEAS_X_POS |ADS7843_REFMODE_DIFF)
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#define ADS7843_MEAS_Y_POS_DIFF (ADS7843_MEAS_Y_POS |ADS7843_REFMODE_DIFF)
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#define ADS7843_MEAS_Z1_POS_DIFF (ADS7843_MEAS_Z1_POS|ADS7843_REFMODE_DIFF)
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#define ADS7843_MEAS_Z2_POS_DIFF (ADS7843_MEAS_Z2_POS|ADS7843_REFMODE_DIFF)
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typedef struct ADS7843_t
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{
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spi_t spidev;
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void (*setnCS)(char);
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int (*busy)();
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char config;
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uint16_t zeroX;
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uint16_t zeroY;
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uint16_t zeroRtouch;
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uint16_t xMin;
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uint16_t xMax;
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uint16_t yMin;
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uint16_t yMax;
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char delta;
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}ADS7843_t;
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extern int ads7843init(ADS7843_t *dev, spi_t spidev,char config,void (*setnCS)(char),int (*busy)());
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extern int ads7843read(ADS7843_t *dev,int* x,int* y);
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extern int ads7843readRtouch(ADS7843_t *dev);
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extern int ads7843calibrate(ADS7843_t *dev,uint16_t zeroX,uint16_t zeroY,uint16_t zeroRtouch,uint16_t xMin,uint16_t xMax,uint16_t yMin,uint16_t yMax,char delta);
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extern int ads7843isPenTouching(ADS7843_t *dev);
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#endif
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