Diff: main.cpp

Revision:

0:b487734d687d

Child:

1:42e428d934fe

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Oct 16 14:31:19 2018 +0000
@@ -0,0 +1,75 @@
+#include "mbed.h"
+#include "uLCD_4DGL.h"
+#include "rtos.h"
+#include "stdio.h"
+
+uLCD_4DGL uLCD(p13,p14,p30);
+PwmOut RGBLED_r(p23);
+PwmOut RGBLED_g(p24);
+PwmOut RGBLED_b(p25);
+Mutex lcd_mutex;
+
+
+void thread1(void const *args)
+{
+    while(true) {         // thread loop
+        RGBLED_r = 0.5 + (rand() % 11)/20.0;
+        RGBLED_g = 0.5 + (rand() % 11)/20.0;
+        RGBLED_b = 0.5 + (rand() % 11)/20.0;
+        Thread::wait(300);    // wait 1.5s
+    }
+}
+
+void thread2(void const *args)
+{
+    while(true) {         // thread loop
+        lcd_mutex.lock();
+        // basic printf demo = 16 by 18 characters on screen
+        uLCD.printf("\nHello uLCD World\n"); //Default Green on black text
+        uLCD.printf("\n  Starting Demo...");
+        uLCD.text_width(4); //4X size text
+        uLCD.text_height(4);
+        uLCD.color(RED);
+        for (int i=10; i>=6; --i) {
+            uLCD.locate(1,2);
+            uLCD.printf("%2D",i);
+            wait(.5);
+        }
+        uLCD.cls();
+        lcd_mutex.unlock();
+        Thread::wait(1000);
+    }
+}
+
+
+void thread3(void const *args)
+{
+    while(true) {         // thread loop
+        lcd_mutex.lock();
+        // basic printf demo = 16 by 18 characters on screen
+        uLCD.printf("\nHello uLCD World\n"); //Default Green on black text
+        uLCD.printf("\n  Starting Demo...");
+        uLCD.text_width(4); //4X size text
+        uLCD.text_height(4);
+        uLCD.color(RED);
+        for (int i=5; i>=0; --i) {
+            uLCD.locate(1,2);
+            uLCD.printf("%2D",i);
+            wait(.5);
+        }
+        uLCD.cls();
+        lcd_mutex.unlock();
+        Thread::wait(1000);
+    }
+}
+
+int main() {
+    Thread t1(thread1);
+    Thread t2(thread2);
+    Thread t3(thread3);
+    while(1) {
+        lcd_mutex.lock();
+        lcd_mutex.unlock();
+        Thread::wait(500);
+    }
+}