Pavel S / TLC59116

16-channel I2C constant current LED sink driver

Fork of TLC59116 by Sille Van Landschoot

TLC59116.cpp@2:daabe2fe9b1d, 2017-08-22 (annotated)

Committer:
pilotak
Date:
Tue Aug 22 10:56:36 2017 +0000
Revision:
2:daabe2fe9b1d
Parent:
1:c285b2c57b2e 
fix the mbed::NonCopyable thing

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sillevl 0:52a1996ad711 1 #include "TLC59116.h"
sillevl 0:52a1996ad711 2
pilotak 2:daabe2fe9b1d 3 TLC59116::TLC59116(I2C &i2c_obj, int _address)
pilotak 2:daabe2fe9b1d 4 :
pilotak 2:daabe2fe9b1d 5 i2c_p(NULL),
pilotak 2:daabe2fe9b1d 6 i2c(i2c_obj),
pilotak 2:daabe2fe9b1d 7 address(_address)
sillevl 1:c285b2c57b2e 8 {
sillevl 1:c285b2c57b2e 9 initialize();
sillevl 1:c285b2c57b2e 10 }
sillevl 0:52a1996ad711 11
pilotak 2:daabe2fe9b1d 12 TLC59116::TLC59116(PinName sda, PinName scl, int _address)
pilotak 2:daabe2fe9b1d 13 :
pilotak 2:daabe2fe9b1d 14 i2c_p(new I2C(sda, scl)),
pilotak 2:daabe2fe9b1d 15 i2c(*i2c_p),
pilotak 2:daabe2fe9b1d 16 address(_address)
sillevl 0:52a1996ad711 17 {
sillevl 1:c285b2c57b2e 18 initialize();
sillevl 1:c285b2c57b2e 19 }
sillevl 1:c285b2c57b2e 20
sillevl 1:c285b2c57b2e 21 void TLC59116::initialize()
sillevl 1:c285b2c57b2e 22 {
sillevl 0:52a1996ad711 23 // oscillator set to normal mode
sillevl 0:52a1996ad711 24 enable();
sillevl 0:52a1996ad711 25 // enable individual brightness and group dimming
sillevl 0:52a1996ad711 26 setOutputState(0xFF,0xFF,0xFF,0xFF);
sillevl 0:52a1996ad711 27 }
sillevl 0:52a1996ad711 28
sillevl 0:52a1996ad711 29 void TLC59116::enable()
sillevl 0:52a1996ad711 30 {
sillevl 0:52a1996ad711 31 // should readout register state first
sillevl 0:52a1996ad711 32 setRegister(0,0);
sillevl 0:52a1996ad711 33 }
sillevl 0:52a1996ad711 34
sillevl 0:52a1996ad711 35 void TLC59116::disable()
sillevl 0:52a1996ad711 36 {
sillevl 0:52a1996ad711 37 // should readout register state first
sillevl 0:52a1996ad711 38 setRegister(0,1 << 4);
sillevl 0:52a1996ad711 39 }
sillevl 0:52a1996ad711 40
sillevl 0:52a1996ad711 41 void TLC59116::setOutputState(int ledout0, int ledout1, int ledout2, int ledout3)
sillevl 0:52a1996ad711 42 {
sillevl 0:52a1996ad711 43 setRegister(0x14,ledout0);
sillevl 0:52a1996ad711 44 setRegister(0x15,ledout1);
sillevl 0:52a1996ad711 45 setRegister(0x16,ledout2);
sillevl 0:52a1996ad711 46 setRegister(0x17,ledout3);
sillevl 0:52a1996ad711 47 }
sillevl 0:52a1996ad711 48
sillevl 0:52a1996ad711 49 void TLC59116::setChannel(int led, float brightness)
sillevl 0:52a1996ad711 50 {
sillevl 0:52a1996ad711 51 char data[] = {NO_AUTO_INCREMENT + 0x02 + led, brightness * 255.0};
sillevl 0:52a1996ad711 52 i2c.write(address, data, 2);
sillevl 0:52a1996ad711 53 }
sillevl 0:52a1996ad711 54
sillevl 0:52a1996ad711 55
sillevl 0:52a1996ad711 56 void TLC59116::setBrightness(float brightness)
sillevl 0:52a1996ad711 57 {
sillevl 0:52a1996ad711 58 setRegister(GRPPWM, brightness * 255.0);
sillevl 0:52a1996ad711 59 }
sillevl 0:52a1996ad711 60
sillevl 0:52a1996ad711 61 void TLC59116::setRegister(int reg, int value)
sillevl 0:52a1996ad711 62 {
sillevl 0:52a1996ad711 63 char data[] = {NO_AUTO_INCREMENT + reg, value};
sillevl 0:52a1996ad711 64 i2c.write(address, data, 2);
sillevl 0:52a1996ad711 65 }
sillevl 0:52a1996ad711 66
sillevl 0:52a1996ad711 67 void TLC59116::setRegisters(int reg, char* value, int length, int mode)
sillevl 0:52a1996ad711 68 {
sillevl 0:52a1996ad711 69 // not implemented yet
sillevl 0:52a1996ad711 70 }