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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@gmail.com
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-------------------------------------------------------------------------------*/
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#include <STMPE811.h>
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int stmpe811init(STMPE811_t *dev, i2c_t i2cdev, uint8_t A0)
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{
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dev->devAddress = 0x82;
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if(A0) dev->devAddress = 0x88;
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dev->i2cdev = i2cdev;
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return 1;
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}
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int stmpe811getID(STMPE811_t *dev)
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{
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if(dev != NULL)
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{
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char DATA[2];
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DATA[0]=STMPE811_REGISTER_CHIP_ID;
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i2cwrite(dev->i2cdev,dev->devAddress,DATA,1);
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i2cread(dev->i2cdev,dev->devAddress,DATA,2);
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uint16_t val=DATA[0];
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val=(val<<8)+DATA[1];
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return val;
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}
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return -1;
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}
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