Library with address set to hardware pins
pcf8575.h
- Committer:
- Bas
- Date:
- 2012-09-08
- Revision:
- 0:95cf83ce54ec
File content as of revision 0:95cf83ce54ec:
/* * PCF8575 Remote 16-bit I/O expander for I2C-bus * Copyright (c) 2012 Bas van Drunen Littel * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #ifndef __PCF8575_H #define __PCF8575_H #define VERSION 1.0 #include <mbed.h> #define PCF8575_I2C_ADDRESS 0x40 class PCF8575 { public: PCF8575(I2C* _interface, unsigned char _chipselect); ~PCF8575(void); unsigned short ReadBytes(void); void WriteBytes(unsigned short bytes); void WriteBytes(unsigned char byte0, unsigned char byte1); private: I2C* i2c; // Communication interface unsigned char address; //I2C address }; #endif