Diff: main.cpp

Revision:

8:38419fb4e242

Parent:

7:f3eb2b2c295d

Child:

9:d6343146d23e

--- a/main.cpp	Tue Oct 11 02:47:49 2016 +0000
+++ b/main.cpp	Tue Oct 11 03:30:07 2016 +0000
@@ -7,8 +7,7 @@
 #define SECOND 1000 // used with threads
 DigitalOut led(LED1); // test led
 
-uLCD_4DGL lcd(p9,p10,p11);
-Mutex stdio_mutex;
+
 /* 1 init/declare
 
 Ticker first;
@@ -41,6 +40,9 @@
 
 /* 2 init/declare */
 
+uLCD_4DGL lcd(p9, p10, p11); // lcd used by the following threads
+Mutex stdio_mutex;           // mutex lock, ensure safe use of lcd
+
 // lcd thread
 void uLCD_reboot_thread(void const *args) {
     // show reboot process, associated with clip of apple restart
@@ -66,7 +68,9 @@
         stdio_mutex.unlock();
         Thread::wait(52 * SECOND);
         // clear screen
+        stdio_mutex.lock();
         lcd.cls();
+        stdio_mutex.unlock();
     }
 }
 
@@ -96,21 +100,24 @@
         lcd.text_string(":-(", 1, 1, FONT_7X8, WHITE);
         // unlock, wait for 20 sec
         stdio_mutex.unlock();
-        Thread::wait(20 * SECOND);
-        lcd.cls();
+        Thread::wait(20 * SECOND);        
     }
 }
 
+
+/* extra credit - video */
 void uLCD_video_thread(void const *args) {
-    uLCD.media_init();
-    uLCD.set_sector_address(0x001D, 0x4C42);
-    uLCD.display_video(0,0);
+    lcd.media_init();
+    lcd.set_sector_address(0x001D, 0x4C42);
+    lcd.display_video(0,0);
 }
+// - extra
+
 
 RGBLed rgbLED(p21, p22, p23);          // object to use the RGB LED
-const LightColor green(0.0, 0.8, 0.0); // adjust brightness for green
-const LightColor yellow(1.0, 0.8, 0.0);
-const LightColor orange(1.0, 0.4, 0.0);
+const LightColor green(0.0, 1.0, 0.0);
+const LightColor yellow(1.0, 1.0, 0.0);
+const LightColor orange(1.0, 0.6, 0.0);
 const LightColor red(1.0,0.0,0.0);
 const LightColor violet(1.0, 0.0, 0.8);
 const LightColor blue(0.0, 0.0, 1.0);
@@ -157,8 +164,8 @@
     
     /* 2 calls */
     Thread thread2(uLCD_reboot_thread);
-    //Thread thread3(uLCD_status_thread);
-    Thread thread4(rainbow_led_thread);
+    Thread thread3(uLCD_status_thread);
+    //Thread thread4(rainbow_led_thread);
     //Thread thread5(uLCD_video_thread);
     // - 2