Chris Styles
/
EA_PCA9532
Example code and library for the PCF9532 I2C LED driver on the Embedded Artists baseboard
PCA9532.h
- Committer:
- chris
- Date:
- 2010-04-27
- Revision:
- 0:a64165168954
File content as of revision 0:a64165168954:
/* mbed PCF9532 LED Driver Library * * Copyright (c) 2010, cstyles (http://mbed.org) * * 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 PCA9532_H #define PCA9532_H #include "mbed.h" // register names #define PCA9532_REG_INPUT0 0 #define PCA9532_REG_INPUT1 1 #define PCA9532_REG_PSC0 2 #define PCA9532_REG_PWM0 3 #define PCA9532_REG_PSC1 4 #define PCA9532_REG_PWM1 5 #define PCA9532_REG_LS0 6 #define PCA9532_REG_LS1 7 #define PCA9532_REG_LS2 8 #define PCA9532_REG_LS3 9 // LED modes #define MODE_OFF 0 #define MODE_ON 1 #define MODE_PWM0 2 #define MODE_PWM1 3 class PCA9532 { public: PCA9532(PinName sda, PinName scl, int addr); int SetLed (int led, int mode); int SetMode (int mask, int mode); int Duty (int channel, float duty); int Period (int channel, float period); protected: void _write(int reg, int data); int _read(int reg); int _addr; I2C _i2c; }; #endif