STMPE811.c
69 lines
| 1.7 KiB
| text/x-c
|
CLexer
| r57 | /*------------------------------------------------------------------------------ | |||
| -- 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@gmail.com | ||||
| -------------------------------------------------------------------------------*/ | ||||
| #include <STMPE811.h> | ||||
| 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; | ||||
| } | ||||
