mirror of
https://github.com/RobTillaart/Arduino.git
synced 2024-10-03 18:09:02 -04:00
151 lines
4.9 KiB
C++
151 lines
4.9 KiB
C++
#pragma once
|
|
//
|
|
// FILE: PCA9635.h
|
|
// AUTHOR: Rob Tillaart
|
|
// DATE: 23-apr-2016
|
|
// VERSION: 0.4.0
|
|
// PURPOSE: Arduino library for PCA9635 I2C LED driver, 16 channel
|
|
// URL: https://github.com/RobTillaart/PCA9635
|
|
|
|
|
|
#include "Arduino.h"
|
|
#include "Wire.h"
|
|
|
|
|
|
#define PCA9635_LIB_VERSION (F("0.4.0"))
|
|
|
|
#define PCA9635_MODE1 0x00
|
|
#define PCA9635_MODE2 0x01
|
|
|
|
// 0x80 bit ==> Auto-Increment for all registers.
|
|
// used in writeN() - see issue #9 PCA9634
|
|
#define PCA9635_PWM(x) (0x82+(x))
|
|
|
|
#define PCA9635_GRPPWM 0x12
|
|
#define PCA9635_GRPFREQ 0x13
|
|
|
|
// check datasheet for details
|
|
#define PCA9635_LEDOUT_BASE 0x14 // 0x14..0x17
|
|
#define PCA9635_LEDOFF 0x00 // default @ startup
|
|
#define PCA9635_LEDON 0x01
|
|
#define PCA9635_LEDPWM 0x02
|
|
#define PCA9635_LEDGRPPWM 0x03
|
|
|
|
// Error codes
|
|
#define PCA9635_OK 0x00
|
|
#define PCA9635_ERROR 0xFF
|
|
#define PCA9635_ERR_WRITE 0xFE
|
|
#define PCA9635_ERR_CHAN 0xFD
|
|
#define PCA9635_ERR_MODE 0xFC
|
|
#define PCA9635_ERR_REG 0xFB
|
|
#define PCA9635_ERR_I2C 0xFA
|
|
|
|
|
|
// Configuration bits MODE1 register
|
|
#define PCA9635_MODE1_AUTOINCR2 0x80 // ReadOnly, 0 = disable 1 = enable
|
|
#define PCA9635_MODE1_AUTOINCR1 0x40 // ReadOnly, bit1
|
|
#define PCA9635_MODE1_AUTOINCR0 0x20 // ReadOnly, bit0
|
|
#define PCA9635_MODE1_SLEEP 0x10 // 0 = normal 1 = sleep
|
|
#define PCA9635_MODE1_SUB1 0x08 // 0 = disable 1 = enable
|
|
#define PCA9635_MODE1_SUB2 0x04 // 0 = disable 1 = enable
|
|
#define PCA9635_MODE1_SUB3 0x02 // 0 = disable 1 = enable
|
|
#define PCA9635_MODE1_ALLCALL 0x01 // 0 = disable 1 = enable
|
|
#define PCA9635_MODE1_NONE 0x00
|
|
|
|
// Configuration bits MODE2 register
|
|
#define PCA9635_MODE2_BLINK 0x20 // 0 = dim 1 = blink
|
|
#define PCA9635_MODE2_INVERT 0x10 // 0 = normal 1 = inverted
|
|
#define PCA9635_MODE2_ACK 0x08 // 0 = on STOP 1 = on ACK
|
|
#define PCA9635_MODE2_TOTEMPOLE 0x04 // 0 = open drain 1 = totem-pole
|
|
#define PCA9635_MODE2_NONE 0x00
|
|
|
|
// NOT IMPLEMENTED YET
|
|
#define PCA9635_SUBADR(x) (0x17+(x)) // x = 1..3
|
|
#define PCA9635_ALLCALLADR 0x1B
|
|
|
|
|
|
class PCA9635
|
|
{
|
|
public:
|
|
explicit PCA9635(const uint8_t deviceAddress, TwoWire *wire = &Wire);
|
|
|
|
#if defined (ESP8266) || defined(ESP32)
|
|
bool begin(uint8_t sda, uint8_t scl,
|
|
uint8_t mode1_mask = PCA9635_MODE1_ALLCALL,
|
|
uint8_t mode2_mask = PCA9635_MODE2_NONE);
|
|
#endif
|
|
bool begin(uint8_t mode1_mask = PCA9635_MODE1_ALLCALL,
|
|
uint8_t mode2_mask = PCA9635_MODE2_NONE);
|
|
void configure(uint8_t mode1_mask, uint8_t mode2_mask);
|
|
bool isConnected();
|
|
|
|
uint8_t channelCount() { return _channelCount; };
|
|
|
|
uint8_t setLedDriverMode(uint8_t channel, uint8_t mode);
|
|
uint8_t getLedDriverMode(uint8_t channel);
|
|
|
|
// single PWM setting
|
|
uint8_t write1(uint8_t channel, uint8_t value);
|
|
|
|
// RGB setting, write three consecutive PWM registers
|
|
uint8_t write3(uint8_t channel, uint8_t R, uint8_t G, uint8_t B);
|
|
|
|
// generic worker, write N consecutive PWM registers
|
|
uint8_t writeN(uint8_t channel, uint8_t* arr, uint8_t count);
|
|
|
|
// reg = 1, 2 check datasheet for values
|
|
uint8_t writeMode(uint8_t reg, uint8_t value);
|
|
uint8_t readMode(uint8_t reg);
|
|
// convenience wrappers
|
|
uint8_t setMode1(uint8_t value) { return writeMode(PCA9635_MODE1, value); };
|
|
uint8_t setMode2(uint8_t value) { return writeMode(PCA9635_MODE2, value); };
|
|
uint8_t getMode1() { return readMode(PCA9635_MODE1); };
|
|
uint8_t getMode2() { return readMode(PCA9635_MODE2); };
|
|
|
|
|
|
// TODO PWM also in %% ?
|
|
void setGroupPWM(uint8_t value) { writeReg(PCA9635_GRPPWM, value); };
|
|
uint8_t getGroupPWM() { return readReg(PCA9635_GRPPWM); };
|
|
|
|
// TODO set time in milliseconds and round to nearest value?
|
|
void setGroupFREQ(uint8_t value) { writeReg(PCA9635_GRPFREQ, value); };
|
|
uint8_t getGroupFREQ() { return readReg(PCA9635_GRPFREQ); };
|
|
|
|
int lastError();
|
|
|
|
/////////////////////////////////////////////////////
|
|
//
|
|
// SUB CALL - ALL CALL (since 0.2.0)
|
|
//
|
|
// nr = { 1, 2, 3 }
|
|
bool enableSubCall(uint8_t nr);
|
|
bool disableSubCall(uint8_t nr);
|
|
bool isEnabledSubCall(uint8_t nr);
|
|
bool setSubCallAddress(uint8_t nr, uint8_t address);
|
|
uint8_t getSubCallAddress(uint8_t nr);
|
|
|
|
bool enableAllCall();
|
|
bool disableAllCall();
|
|
bool isEnabledAllCall();
|
|
bool setAllCallAddress(uint8_t address);
|
|
uint8_t getAllCallAddress();
|
|
|
|
|
|
private:
|
|
// DIRECT CONTROL
|
|
uint8_t writeReg(uint8_t reg, uint8_t value); // returns error status.
|
|
uint8_t readReg(uint8_t reg);
|
|
|
|
uint8_t _address;
|
|
uint8_t _register;
|
|
uint8_t _data;
|
|
int _error;
|
|
uint8_t _channelCount = 16;
|
|
|
|
TwoWire* _wire;
|
|
};
|
|
|
|
|
|
// -- END OF FILE --
|
|
|