Diff: main.cpp

Revision:

0:97120df18654

Child:

1:40788af73d41

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Apr 11 13:03:41 2020 +0000
@@ -0,0 +1,106 @@
+#include "mbed.h"
+#include "rtos.h"
+#include "uLCD_4DGL.h"
+#include "SDFileSystem.h"
+#include "wave_player.h"
+ 
+// Onboard LEDs (for testing)
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
+
+// RBG LED
+PwmOut RGBLED_r(p23);
+PwmOut RGBLED_g(p24);
+PwmOut RGBLED_b(p25);
+
+// LCD Screen
+uLCD_4DGL uLCD(p9,p10,p17); // serial tx, serial rx, reset pin;
+
+Thread thread1;
+Thread thread2;
+Thread thread3;
+
+// mutex to make the lcd lib thread safe
+Mutex lcd_mutex;
+
+//SD Card
+SDFileSystem sd(p5, p6, p7, p8, "sd"); //SD card
+
+AnalogOut DACout(p18);
+
+wave_player waver(&DACout);
+
+//Bouncing Ball Demo
+float fx=60.0,fy=60.0,vx=1.0,vy=0.4;
+int x=60,y=60,radius=4;
+int i = 0;
+ 
+void led2_thread() {
+    while (true) {
+        lcd_mutex.lock();
+        //erase old ball location
+        uLCD.filled_circle(x, y, radius, BLACK);
+        //move ball
+        fx=fx+vx;
+        fy=fy+vy;
+        x=(int)fx;
+        y=(int)fy;
+        //draw ball
+        uLCD.filled_circle(x, y, radius, RED);
+        lcd_mutex.unlock();
+        //bounce off edge walls and slow down a bit?
+        if ((x<=radius+1) || (x>=126-radius)) vx = -.90*vx;
+        if ((y<=radius+51) || (y>=126-radius)) vy = -.90*vy;
+        Thread::wait(40);
+    }
+}
+
+void led3_thread() {
+    while (true) {
+        lcd_mutex.lock();
+        uLCD.locate(1,3);
+        uLCD.printf("%2D",i);
+        lcd_mutex.unlock();
+        i++;
+        Thread::wait(1000);
+    }
+}
+
+void led4_thread() {
+    while(true) {         // thread loop
+        RGBLED_r = 0.5 + (rand() % 11)/20.0;
+        RGBLED_g = 0.1 + (rand() % 11)/20.0;
+        RGBLED_b = 0.1 + (rand() % 11)/20.0;
+        Thread::wait(40);    
+    }
+}
+ 
+int main() {
+    thread1.start(led2_thread);
+    thread2.start(led3_thread);
+    thread3.start(led4_thread);
+    
+    lcd_mutex.lock();
+    //draw walls
+    uLCD.line(0, 50, 127, 50, WHITE);
+    uLCD.line(127, 50, 127, 127, WHITE);
+    uLCD.line(127, 127, 0, 127, WHITE);
+    uLCD.line(0, 127, 0, 50, WHITE);
+    uLCD.locate(0,1);
+    uLCD.printf("Seconds Since \nInitialisation: "); //Default Green on black text
+    lcd_mutex.unlock();
+    
+    FILE *wave_file;
+    printf("\n\n\nHello, wave world!\n");
+    wave_file=fopen("/sd/OriginalSeriesMainTitle.wav","r");
+    waver.play(wave_file);
+    fclose(wave_file);
+    while (true) {
+        led1 = !led1;
+
+        
+        Thread::wait(500);
+    }
+}
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