Revision 0:52a1996ad711, committed 2015-12-03

Comitter:

sillevl

Date:

Thu Dec 03 07:57:50 2015 +0000

Child:

1:c285b2c57b2e

Commit message:

initial commit

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TLC59116.cpp	Thu Dec 03 07:57:50 2015 +0000
@@ -0,0 +1,53 @@
+#include "TLC59116.h"
+
+
+TLC59116::TLC59116(PinName sda, PinName scl, int _address): i2c(sda, scl), address(_address)
+{
+    // oscillator set to normal mode 
+    enable();
+    // enable individual brightness and group dimming
+    setOutputState(0xFF,0xFF,0xFF,0xFF);
+}
+
+void TLC59116::enable()
+{
+    // should readout register state first
+    setRegister(0,0);
+}
+
+void TLC59116::disable()
+{
+    // should readout register state first
+    setRegister(0,1 << 4);
+}
+
+void TLC59116::setOutputState(int ledout0, int ledout1, int ledout2, int ledout3)
+{
+    setRegister(0x14,ledout0);
+    setRegister(0x15,ledout1);
+    setRegister(0x16,ledout2);
+    setRegister(0x17,ledout3);
+}
+
+void TLC59116::setChannel(int led, float brightness)
+{
+    char data[] = {NO_AUTO_INCREMENT + 0x02 + led, brightness * 255.0};
+    i2c.write(address, data, 2);
+}
+
+
+void TLC59116::setBrightness(float brightness)
+{
+    setRegister(GRPPWM, brightness * 255.0);
+}
+
+void TLC59116::setRegister(int reg, int value)
+{
+    char data[] = {NO_AUTO_INCREMENT + reg, value};
+    i2c.write(address, data, 2);
+}
+
+void TLC59116::setRegisters(int reg, char* value, int length, int mode)
+{
+    // not implemented yet
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TLC59116.h	Thu Dec 03 07:57:50 2015 +0000
@@ -0,0 +1,34 @@
+#pragma once
+
+#include "mbed.h"
+
+class TLC59116{
+    public:
+    TLC59116(PinName sda, PinName scl, int address);
+    
+    void setBrightness(float brightness);
+    void setChannel(int channel, float brightness);
+    void enable();
+    void disable();
+    
+    protected:
+    int address;
+    I2C i2c;
+    
+    void setOutputState(int ledout0, int ledout1, int ledout2, int ledout3);
+    
+    private:
+    void setRegister(int reg, int value);
+    void setRegisters(int reg, char* value, int length, int mode = AUTO_INCREMENT_ALL_REGISTERS);
+    
+    static const int AUTO_INCREMENT_ALL_REGISTERS = 0x80;
+    static const int AUTO_INCREMENT_BRIGHTNESS = 0xA0;
+    static const int AUTO_INCREMENT_CONTROL = 0xC0;
+    static const int AUTO_INCREMENT_BRIGHTNESS_CONTROL = 0xE0;
+    static const int NO_AUTO_INCREMENT = 0x00;
+    
+    static const int GRPPWM = 0x12;
+    static const int LEDOUT0 = 0x014;
+
+    
+};
\ No newline at end of file