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Diff: TLC5940.cpp
- Revision:
- 0:2a7734c01842
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TLC5940.cpp Wed Jul 29 06:44:12 2015 +0000 @@ -0,0 +1,65 @@ +#include "TLC5940.h" + +int num_drivers = 1; + +void setup (SPI &driver, DigitalOut &vprg, DigitalOut &xlat, DigitalOut &blank, PwmOut &gsclk, int num_ics) +{ + driver.format (6,0); + driver.frequency (20000000); + if (num_ics <= 0) + { + num_drivers = 1; + } + else + { + num_drivers = num_ics; + } + + xlat = 0; // hold GS/DC data constant + blank = 0; + blank = 1; + blank = 0; // Blank (squelch) all outputs + + //補正データを最大に設定 + vprg = 1; + for (int i = 0; i<16*num_ics; i++) + { + driver.write (0x3F); //最大 + } + xlat = 1; + xlat = 0; // hold GS/DC data constant + + driver.format (12,0); + vprg = 0; // sets drivers to GS mode. Set to 1 to change to DC mode + gsclk.period_us (1.0); // set grayscale clock to 1000 Hz + gsclk = 0.5; // turn on grayscale clock to 50% duty cycle at afore mentioned frequency + + + +} + + +void update_led (SPI &driver, DigitalOut &xlat, DigitalOut &blank, PwmOut &gsclk, unsigned short* LEDS) +{ + blank = 1; + for (int k = (num_drivers - 1); k >= 0; k--) + { + for (int i = (16 - 1); i >= 0; i--) + { + driver.write (*(LEDS + k + i)); + } + } + wait_us(10); + xlat = 1; + xlat = 0; + blank = 0; + driver.format (12,0); + +} + +void offDisp(DigitalOut &blank , PwmOut &gsclk) +{ + blank = 1; +} + + \ No newline at end of file