Diff: TLC59116.cpp

Revision:

1:1686fedb8e0a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TLC59116.cpp	Fri Apr 07 16:12:08 2017 +0000
@@ -0,0 +1,164 @@
+#include "TLC59116.h"
+
+TLC59116::TLC59116(PinName sda, PinName scl, PinName cs) : _i2c(sda, scl), _cs(cs)
+{
+    for (int i = 0; i < sizeof(b); i++) b[i] = 0;               // clear internal buffer
+    _i2c.frequency(400000);                                     // set i2c buffer frequency
+}    
+
+void TLC59116::Enable(void)
+{
+    _cs = 1;
+    wait_ms(1);
+}
+
+void TLC59116::Disable(void)
+{
+    _cs = 0;
+    wait_ms(1);
+}
+
+int TLC59116::SWRST()
+{
+    // TLC59116 SWRST
+    b[0] = 0xA5;
+    b[1] = 0x5A;
+    return(_i2c.write(0xD6, b, 2));
+}
+
+int TLC59116::init(void)
+{
+    // TLC59116 FOO
+    b[ 0] = AUTO_INCREMENT_ALL;             // COMMAND
+    b[ 1] = 0x00;                           // MODE1
+    b[ 2] = 0x00;                           // MODE2
+    b[ 3] = 0xFF;                           // PWM0
+    b[ 4] = 0xFF;                           // PWM1
+    b[ 5] = 0xFF;                           // PWM2
+    b[ 6] = 0xFF;                           // PWM3
+    b[ 7] = 0xFF;                           // PWM4
+    b[ 8] = 0xFF;                           // PWM5
+    b[ 9] = 0xFF;                           // PWM6
+    b[10] = 0xFF;                           // PWM7
+    b[11] = 0xFF;                           // PWM8
+    b[12] = 0xFF;                           // PWM9
+    b[13] = 0xFF;                           // PWM10
+    b[14] = 0xFF;                           // PWM11
+    b[15] = 0xFF;                           // PWM12
+    b[16] = 0xFF;                           // PWM13
+    b[17] = 0xFF;                           // PWM14
+    b[18] = 0xFF;                           // PWM15
+    b[19] = 0xFF;                           // GRPPWM
+    b[20] = 0x00;                           // GRPFREQ
+    b[21] = 0x00;                           // LEDOUT0
+    b[22] = 0x00;                           // LEDOUT1
+    b[23] = 0x00;                           // LEDOUT2
+    b[24] = 0x00;                           // LEDOUT3
+    return(_i2c.write(TLC59116_ADDRESS, b, 25));
+}
+
+int TLC59116::SetBrightness(int x)
+{
+    b[0] = AUTO_INCREMENT_NONE;                    // set mask for no auto increment
+    b[0] = b[0] | GRPPWM;                          // mask in group pwm control register
+    b[1] = x;                                      // Brightness - PWM value between 0 and 255
+    return(_i2c.write(TLC59116_ADDRESS, b, 2));
+}
+
+void TLC59116::SetAuto(bool v)
+{
+    b[0] = AUTO_INCREMENT_NONE;                     // set mask for no auto increment
+    b[0] = b[0] | LEDOUT3;                          // mask in LEDOUT3 register
+    _i2c.write(TLC59116_ADDRESS, b, 1);             // write register address
+    _i2c.read(TLC59116_ADDRESS, b, 1);              // read register
+    if (v)
+        b[1] = b[0] | 0b00000011;
+    else
+        b[1] = b[0] & 0b11111100;
+    b[0] = AUTO_INCREMENT_NONE;
+    b[0] = b[0] | LEDOUT3;
+    _i2c.write(TLC59116_ADDRESS, b, 2);
+}
+
+void TLC59116::SetManual(bool v)
+{
+    b[0] = AUTO_INCREMENT_NONE;                     // set mask for no auto increment
+    b[0] = b[0] | LEDOUT3;                          // mask in LEDOUT3 register
+    _i2c.write(TLC59116_ADDRESS, b, 1);             // write register address
+    _i2c.read(TLC59116_ADDRESS, b, 1);              // read register
+    if (v)
+        b[1] = b[0] | 0b00001100;
+    else
+        b[1] = b[0] & 0b11110011;
+    b[0] = AUTO_INCREMENT_NONE;
+    b[0] = b[0] | LEDOUT3;
+    _i2c.write(TLC59116_ADDRESS, b, 2);
+}
+
+void TLC59116::SetPower(bool v)
+{
+    b[0] = AUTO_INCREMENT_NONE;                     // set mask for no auto increment
+    b[0] = b[0] | LEDOUT2;                          // mask in LEDOUT3 register
+    _i2c.write(TLC59116_ADDRESS, b, 1);             // write register address
+    _i2c.read(TLC59116_ADDRESS, b, 1);              // read register
+    if (v)
+        b[1] = b[0] | 0b00110000;
+    else
+        b[1] = b[0] & 0b11001111;
+    b[0] = AUTO_INCREMENT_NONE;
+    b[0] = b[0] | LEDOUT2;
+    _i2c.write(TLC59116_ADDRESS, b, 2);
+}
+
+void TLC59116::SetFault(bool v)
+{
+    b[0] = AUTO_INCREMENT_NONE;                     // set mask for no auto increment
+    b[0] = b[0] | LEDOUT2;                          // mask in LEDOUT3 register
+    _i2c.write(TLC59116_ADDRESS, b, 1);             // write register address
+    _i2c.read(TLC59116_ADDRESS, b, 1);              // read register
+    if (v)
+        b[1] = b[0] | 0b11000000;
+    else
+        b[1] = b[0] & 0b00111111;
+    b[0] = AUTO_INCREMENT_NONE;
+    b[0] = b[0] | LEDOUT2;
+    _i2c.write(TLC59116_ADDRESS, b, 2);
+}
+
+// Set bar graph to value between zero and ten.
+//  This routine sets the bar graph only
+void TLC59116::SetBarGraph(int x)
+{
+    const int d[11][4] = {
+        //LEDOUT0     LEDOUT1     LEDOUT2     LEDOUT3
+        0b00000000, 0b00000000, 0b00000000, 0b00000000,     // 0
+        0b00000000, 0b00000000, 0b00001100, 0b00000000,     // 1
+        0b00000000, 0b00000000, 0b00001111, 0b00000000,     // 2
+        0b00000000, 0b11000000, 0b00001111, 0b00000000,     // 3
+        0b00000000, 0b11110000, 0b00001111, 0b00000000,     // 4
+        0b00000000, 0b11111100, 0b00001111, 0b00000000,     // 5
+        0b00000000, 0b11111111, 0b00001111, 0b00000000,     // 6
+        0b11000000, 0b11111111, 0b00001111, 0b00000000,     // 7
+        0b11110000, 0b11111111, 0b00001111, 0b00000000,     // 8
+        0b11111100, 0b11111111, 0b00001111, 0b00000000,     // 9
+        0b11111111, 0b11111111, 0b00001111, 0b00000000      // 10
+    };
+
+    // read current LED status
+    b[0] = AUTO_INCREMENT_ALL;
+    b[0] = b[0] | LEDOUT0;
+    _i2c.write(TLC59116_ADDRESS, b, 1);
+    _i2c.read(TLC59116_ADDRESS, b, 4);
+
+    b[2] = b[2] & ~d[10][2]; // 0b11110000;
+    b[2] = b[2] | d[x][2];
+
+    b[4] = b[3];
+    b[3] = b[2];
+    b[2] = d[x][1];
+    b[1] = d[x][0];
+    b[0] = AUTO_INCREMENT_ALL;
+    b[0] = b[0] | LEDOUT0;
+    _i2c.write(TLC59116_ADDRESS, b, 5);
+
+}