62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
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/***************************************************
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This is a library for our Adafruit 16-channel PWM & Servo driver
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Pick one up today in the adafruit shop!
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------> http://www.adafruit.com/products/815
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These displays use I2C to communicate, 2 pins are required to
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interface. For Arduino UNOs, thats SCL -> Analog 5, SDA -> Analog 4
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Adafruit invests time and resources providing this open source code,
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please support Adafruit and open-source hardware by purchasing
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products from Adafruit!
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Written by Limor Fried/Ladyada for Adafruit Industries.
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BSD license, all text above must be included in any redistribution
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****************************************************/
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#ifndef _ADAFRUIT_PWMServoDriver_H
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#define _ADAFRUIT_PWMServoDriver_H
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#if ARDUINO >= 100
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#include "Arduino.h"
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#else
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#include "WProgram.h"
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#endif
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#define PCA9685_SUBADR1 0x2
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#define PCA9685_SUBADR2 0x3
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#define PCA9685_SUBADR3 0x4
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#define PCA9685_MODE1 0x0
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#define PCA9685_PRESCALE 0xFE
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#define LED0_ON_L 0x6
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#define LED0_ON_H 0x7
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#define LED0_OFF_L 0x8
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#define LED0_OFF_H 0x9
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#define ALLLED_ON_L 0xFA
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#define ALLLED_ON_H 0xFB
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#define ALLLED_OFF_L 0xFC
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#define ALLLED_OFF_H 0xFD
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class Adafruit_PWMServoDriver {
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public:
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Adafruit_PWMServoDriver(uint8_t addr = 0x40);
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void begin(void);
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void reset(void);
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void setPWMFreq(float freq);
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void setPWM(uint8_t num, uint16_t on, uint16_t off);
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private:
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uint8_t _i2caddr;
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uint8_t read8(uint8_t addr);
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void write8(uint8_t addr, uint8_t d);
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};
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#endif
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