ASIF AHMAD
/
cortexm0sleepmodes
sleep library for cortex m0
Diff: pca9865.h
- Revision:
- 0:e8a124690cda
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/pca9865.h Fri Sep 27 18:13:20 2013 +0000 @@ -0,0 +1,74 @@ +/**************************************************************************/ +/*! + @file pca9685.h + @author K. Townsend (microBuilder.eu) + + @section LICENSE + + Software License Agreement (BSD License) + + Copyright (c) 2012 K. Townsend + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + 3. Neither the name of the copyright holders nor the + names of its contributors may be used to endorse or promote products + derived from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY + EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ +/**************************************************************************/ +#ifndef _PCA9685_H_ +#define _PCA9685_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "projectconfig.h" +#include "core/i2c/i2c.h" + +#define PCA9685_ADDRESS (0x40<<1) // 1000000 +#define PCA9685_READBIT (0x01) + +enum +{ + PCA9685_REG_SUBADR1 = 0x02, + PCA9685_REG_SUBADR2 = 0x03, + PCA9685_REG_SUBADR3 = 0x04, + PCA9685_REG_MODE1 = 0x00, + PCA9685_REG_PRESCALE = 0xFE, + PCA9685_REG_LED0_ON_L = 0x06, + PCA9685_REG_LED0_ON_H = 0x07, + PCA9685_REG_LED0_OFF_L = 0x08, + PCA9685_REG_LED0_OFF_H = 0x09, + PCA9685_REG_ALLLED_ON_L = 0xFA, + PCA9685_REG_ALLLED_ON_H = 0xFB, + PCA9685_REG_ALLLED_OFF_L = 0xFC, + PCA9685_REG_ALLLED_OFF_H = 0xFD +}; + +error_t pca9685Init (uint8_t address); +error_t pca9685SetFrequency (uint16_t freqHz); +error_t pca9685SetPWM (uint16_t channel, uint16_t on, uint16_t off); + +#ifdef __cplusplus +} +#endif + +#endif \ No newline at end of file