This is a library for our Adafruit 16-channel PWM & Servo driver Pick one up today in the adafruit shop! ------> http://www.adafruit.com/products/815 These displays use I2C to communicate, 2 pins are required to interface. Adafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by purchasing products from Adafruit! Written by Limor Fried/Ladyada for Adafruit Industries. BSD license, check license.txt for more information All text above must be included in any redistribution
Adafruit_PWMServoDriver.h
- Committer:
- bxd
- Date:
- 2013-08-17
- Revision:
- 0:ed0c8a6481fd
File content as of revision 0:ed0c8a6481fd:
/*************************************************** This is a library for our Adafruit 16-channel PWM & Servo driver Pick one up today in the adafruit shop! ------> http://www.adafruit.com/products/815 These displays use I2C to communicate, 2 pins are required to interface. For Arduino UNOs, thats SCL -> Analog 5, SDA -> Analog 4 Adafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by purchasing products from Adafruit! Written by Limor Fried/Ladyada for Adafruit Industries. BSD license, all text above must be included in any redistribution Ported to mbed by Brian Dickman, mbed.org user bxd. Note: you are responsible for creating the I2C object, and setting frequency if desired. ****************************************************/ #ifndef _ADAFRUIT_PWMServoDriver_H #define _ADAFRUIT_PWMServoDriver_H #include "mbed.h" #define PCA9685_SUBADR1 0x2 #define PCA9685_SUBADR2 0x3 #define PCA9685_SUBADR3 0x4 #define PCA9685_MODE1 0x0 #define PCA9685_PRESCALE 0xFE #define LED0_ON_L 0x6 #define LED0_ON_H 0x7 #define LED0_OFF_L 0x8 #define LED0_OFF_H 0x9 #define ALLLED_ON_L 0xFA #define ALLLED_ON_H 0xFB #define ALLLED_OFF_L 0xFC #define ALLLED_OFF_H 0xFD class Adafruit_PWMServoDriver { public: Adafruit_PWMServoDriver(I2C *i2c, uint8_t addr = 0x40); void begin(void); void reset(void); void setPWMFreq(float freq); void setPWM(uint8_t num, uint16_t on, uint16_t off); private: I2C *_i2c; uint8_t _i2caddr; uint8_t read8(uint8_t addr); void write8(uint8_t addr, uint8_t d); }; #endif