Revision 0:2a7734c01842, committed 2015-07-29

Comitter:

kohacraft

Date:

Wed Jul 29 06:44:12 2015 +0000

Commit message:

ver1.1

Changed in this revision

diff -r 000000000000 -r 2a7734c01842 TLC5940.cpp
--- /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

diff -r 000000000000 -r 2a7734c01842 TLC5940.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TLC5940.h	Wed Jul 29 06:44:12 2015 +0000
@@ -0,0 +1,6 @@
+#include "mbed.h"
+
+
+void setup (SPI &driver, DigitalOut &vprg, DigitalOut &xlat, DigitalOut &blank, PwmOut &gsclk, int num_ics);
+void update_led (SPI &driver, DigitalOut &xlat, DigitalOut &blank, PwmOut &gsclk, unsigned short* LEDS);
+void offDisp(DigitalOut &blank, PwmOut &gsclk);