/*------------------------------------------------------------------------------ -- This file is a part of the libuc, microcontroler library -- Copyright (C) 2013, Alexis Jeandet -- -- This program is free software; you can redistribute it and/or modify -- it under the terms of the GNU General Public License as published by -- the Free Software Foundation; either version 3 of the License, or -- (at your option) any later version. -- -- This program is distributed in the hope that it will be useful, -- but WITHOUT ANY WARRANTY; without even the implied warranty of -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -- GNU General Public License for more details. -- -- You should have received a copy of the GNU General Public License -- along with this program; if not, write to the Free Software -- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ------------------------------------------------------------------------------- -- Author : Alexis Jeandet -- Mail : alexis.jeandet@member.fsf.org -------------------------------------------------------------------------------*/ #include int stmpe811init(STMPE811_t *dev, i2c_t i2cdev, uint8_t A0) { dev->devAddress = 0x82; if(A0) dev->devAddress = 0x88; dev->i2cdev = i2cdev; return 1; } int stmpe811getID(STMPE811_t *dev) { if(dev != NULL) { char DATA[2]; DATA[0]=STMPE811_REGISTER_CHIP_ID; i2cwrite(dev->i2cdev,dev->devAddress,DATA,1); i2cread(dev->i2cdev,dev->devAddress,DATA,2); uint16_t val=DATA[0]; val=(val<<8)+DATA[1]; return val; } return -1; }