Diff: door_leds.cpp

Revision:

0:81f78497df4e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/door_leds.cpp	Mon Jun 18 17:47:17 2012 +0000
@@ -0,0 +1,40 @@
+#include "door_leds.h"
+
+/*definitions*/
+DigitalOut latch (p8);          //Connecting the latch of the LED driver to (pin 8) of the embed
+SPI port(p5, p6, p7);          //Using the SPI pins in the embed
+SPI spi(p5, p6, p7);
+int LED_Pos;
+int Level;
+Ticker timer;
+
+/*finction to know the level (top or bottom) and the total LEDS and the flashing*/
+void Open_Close_Door(int i) {
+    Level=i;
+    LED_Pos=24;       //The total LED for each door is 2x24
+}
+
+/*Function for the Ticker (LED doors update)*/
+
+void DOORS_LED (void) {
+    if (LED_Pos) {
+
+        spi.write(door_leds[Level][--LED_Pos]);
+        latch=1;
+        latch=0;
+        if (LED_Pos==0)
+            new_event(ev_Timeout);
+    }
+}
+
+/*The Ticker function to start opening and closing the door*/
+
+void Starting_LEDS (void) {
+    latch=0;
+    spi.format (16,0);
+    spi.write(0xFFFF);
+    latch=1;
+    latch=0;
+    LED_Pos=0;
+    timer.attach(&DOORS_LED,0.2);
+}
\ No newline at end of file