Diff: main.cpp

Revision:

2:d50445fa62da

Parent:

0:49512863ec9b

--- a/main.cpp	Thu Dec 01 02:01:22 2016 +0000
+++ b/main.cpp	Thu Dec 01 06:31:12 2016 +0000
@@ -21,7 +21,7 @@
 DigitalIn button(P0_1);
 SPI spi(P0_21, P0_22, P1_15);
 
-void dotsStar (int *buf, int num) {
+void dotStar (int *buf, int num) {
     int i;
 
     // start frame
@@ -41,13 +41,16 @@
     }
 }
 
-void dotsStar_off () {
+void dotStar_off () {
     int i;
 
     for (i = 0; i < 4; i ++) {
         spi.write(0);
     }
-    for (i = 0; i < LED_NUM * 4; i ++) {
+    for (i = 0; i < LED_NUM; i ++) {
+        spi.write((7<<5) | LED_GLOBAL);
+        spi.write(0);
+        spi.write(0);
         spi.write(0);
     }
     for (i = 0; i < 4; i ++) {
@@ -73,8 +76,12 @@
           }
           a += 3;
         }
+        for (; x < LED_NUM; x ++) {
+            led_buf[x] = 0;
+        }
+        a = ((a + 3) / 4) * 4; // padding
         DBG("%d %d %d/%d\r\n", a, y, header->width, header->height);
-        dotsStar(led_buf, header->width < LED_NUM ? header->width : LED_NUM);
+        dotStar(led_buf, LED_NUM);
         y ++;
         if (y >= header->height) {
             y = 0;
@@ -111,7 +118,7 @@
             c = ((i + color) % 7) + 1;
             led_buf[i] = (c & 4 ? 0xff0000 : 0) | (c & 2 ? 0xff00 : 0) | (c & 1 ? 0xff : 0);
         }
-        dotsStar(led_buf, LED_NUM);
+        dotStar(led_buf, LED_NUM);
         led = !led;
 
         wait_ms(500);
@@ -133,7 +140,7 @@
 
     wait_ms(10);
     spi.frequency(LED_FREQ);
-    dotsStar_off();
+    dotStar_off();
 
     if (usb_vbus) {
         DBG("usb\r\n");