Hideto KIHARA / TLC5940SWSPI

TLC5940 library which supports SWSPI, has API to specify grayscale PWM period and has API like Arduino library.

Fork of TLC5940 by Stefan Nielsen

Diff: TLC5940.h

Revision:
3:2c0af5f5fa13
Parent:
2:b411648dfe54
Child:
4:fc83415fa28c
--- a/TLC5940.h	Tue Oct 13 12:20:23 2015 +0000
+++ b/TLC5940.h	Sat Oct 17 01:36:58 2015 +0000
@@ -8,14 +8,28 @@
 private:
     SWSPI _spi;
     PwmOut _gsclk;
-    DigitalOut _sclk;
     DigitalOut _xlat;
-    DigitalOut _blank; 
+    DigitalOut _blank;
     Ticker _t;
+    int _gspwmcycle_us;
+    bool _gspwmcycle_repeat;
     uint16_t gs_data[16];
     void refresh();
 public:
-    TLC5940(PinName mosi, PinName miso, PinName sck, PinName xlat, PinName blank, PinName gsclk);
+    /**
+     * Constructor.
+     * @param mosi  -> SIN
+     * @param miso  -> (not connect to TLC5940)
+     * @param sck   -> SCLK
+     * @param xlat  -> XLAT
+     * @param blank -> BLANK
+     * @param gsclk -> GSCLK
+     * @param gspwmcycle_us grayscale PWM cycle in [us]. consists of 4096 pulses.
+     * @param gspwmcycle_repeat repeat grayscale PWM cycle or not.
+     *   If true, send BLANK pulse after each grayscale PWM cycle using Ticker.
+     */
+    TLC5940(PinName mosi, PinName miso, PinName sck, PinName xlat, PinName blank, PinName gsclk,
+            int gspwmcycle_us = 20480, bool gspwmcycle_repeat = true);
     void set(int channel, uint16_t brightness);
     void flush();
     void run();