Diff: main.cpp

Revision:

5:471ccc07dbaf

Parent:

4:79863d2ea5a0

--- a/main.cpp	Sun Sep 22 17:57:46 2013 +0000
+++ b/main.cpp	Mon Oct 07 02:39:45 2019 +0000
@@ -1,164 +1,102 @@
-// example to test the mbed Lab Board lcd lib with the mbed rtos
-// Pot1 changes the contrast
-// Pot2 changes the speed of the sin wave
-
 #include "mbed.h"
 #include "rtos.h"
-#include "Small_6.h"
-#include "Small_7.h"
-#include "Arial_9.h"
-#include "stdio.h"
-#include "C12832_lcd.h"
-
+#include "uLCD_4DGL.h"
+#include "SDFileSystem.h"
+#include "wave_player.h"
+#include "string.h"
 
-C12832_LCD LCD;
-AnalogIn Pot1(p19);
-AnalogIn Pot2(p20);
-PwmOut Speaker(p26);
-PwmOut RGBLED_r(p23);
-PwmOut RGBLED_g(p24);
-PwmOut RGBLED_b(p25);
-DigitalIn joyfire(p14);
-BusIn joy(p15,p12,p13,p16);
-BusOut leds(LED1,LED2,LED3,LED4);
+uLCD_4DGL uLCD(p9, p10, p11); // serial tx, serial rx, reset pin;
+SDFileSystem sd(p5, p6, p7, p8, "sd"); //SD card
+PwmOut Red(p21);
+PwmOut Green(p22);
+PwmOut Blue(p23);
+Serial pc(USBTX,USBRX);
+//Analog Out Jack
+AnalogOut DACout(p18);
+//On Board Speaker
+PwmOut PWMout(p26);
+ 
+wave_player waver(&DACout,&PWMout);
 
 // mutex to make the lcd lib thread safe
 Mutex lcd_mutex;
 
 // Thread 1
-// print counter into first line and wait for 1 s
+// Increments counter on screen
 void thread1(void const *args)
 {
-    int i;
+    int i = 0;
+
     while(true) {       // thread loop
+        pc.printf("Thread 1\n\r");
         lcd_mutex.lock();
-        LCD.locate(0,0);
-        LCD.set_font((unsigned char*) Small_6);
-        LCD.printf("Thread1 count: %d",i);
+        uLCD.locate(1,2);
+        uLCD.printf("%2D",i);
         lcd_mutex.unlock();
         i++;
-        Thread::wait(1000);
+        Thread::wait(1000); // wait 1 s
     }
 }
 
 // Thread 2
-// print counter into third line and wait for 0,5s
+// Plays tick sound
 void thread2(void const *args)
 {
-    int k;
+    FILE *wave_file=fopen("/sd/mydir/sample.wav","r");
     while(true) {       // thread loop
-        lcd_mutex.lock();
-        LCD.locate(0,20);
-        LCD.set_font((unsigned char*) Arial_9);
-        LCD.printf("Thread 2 count : %d",k);
-        lcd_mutex.unlock();
-        k++;
-        Thread::wait(500); // wait 0.5s
+        pc.printf("Thread 2\n\r");
+        waver.play(wave_file);
+        Thread::wait(1000); // wait 1s
     }
 }
 
 // Thread 3
-// print a sin function in a small window
-// the value of pot 1 changes the speed of the sine wave
+// Flashes led between red and blue
 void thread3(void const *args)
 {
-    int i,k,v;
-    double s,a;
-    k = 1;
-    lcd_mutex.lock();
-    LCD.rect(89,0,127,17,1);
-    lcd_mutex.unlock();
-    while(true) {       // thread loop
-        v = Pot1.read_u16();  // get value of pot 1
-        lcd_mutex.lock();
-        for (i=90; i<127; i++) {
-            s = 8 * sin((long double)(i+k) /5);   // pixel to print
-            a = 8 * sin((long double)(i+k-1) /5); // old pixel to erase
-            LCD.pixel(i,9 + (int)a ,0);           // erase pixel
-            LCD.pixel(i,9 + (int)s ,1);           // print pixel
+    bool flag = 0;
+    
+    while(true) {       // main is the next thread
+        pc.printf("Thread 3\n\r");
+        flag = !flag;
+        if(flag == 0)   // make led red
+        {
+            Red = 1;
+            Green = 0;
+            Blue = 0;
         }
-        LCD.copy_to_lcd();  // LCD.pixel does not update the lcd
-        lcd_mutex.unlock();
-        k++;
-        Thread::wait(v/100);   // value of pot1 / 100
+        else            // make led blue
+        {
+            Red = 0;
+            Green = 0;
+            Blue = 1;
+        }
+        Thread::wait(500);   // wait 0.5
     }
 }
 
-// Thread 4
-// input pot 2 and change the contrast of LCD
-void thread4(void const *args)
-{
-    int k;
-    while(true) {         // thread loop
-        k = Pot2.read_u16();  // get the value of poti 2
-        k = k >> 10;          // need only 6 bits for contrast
-        lcd_mutex.lock();
-        LCD.set_contrast(k);
-        lcd_mutex.unlock();
-        Thread::wait(500);    // wait 0.5s
-    }
-}
-// Thread 5
-// RGB LED
-void thread5(void const *args)
+int main()
 {
-    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(1667);    // wait 1.5s
-    }
-}
-// Thread 6
-// Speaker
-void thread6(void const *args)
-{
-    while(true) {         // thread loop
-        Speaker.period(1.0/800.0);
-        Speaker = 0.01;
-        Thread::wait(1000);    // wait 1.0s
-        Speaker.period(1.0/969.0);
-        Speaker = 0.01;
-        Thread::wait(1000);    // wait 1.0s
+    bool flag = 0;
+
+    Thread t1(thread1); //start thread1
+    //Thread t2(thread2); //start thread2
+    Thread t3(thread3); //start thread3
+
+    // Flashes screen background between red and blue
+    while(true) {       // main is the next thread
+        pc.printf("Thread 4");
+        lcd_mutex.lock();
+        flag = !flag;
+        if(flag == 0)
+        {
+            uLCD.filled_circle(120, 60, 10, RED);
+        }
+        else
+        {
+            uLCD.filled_circle(120, 60, 10, BLUE);
+        }
+        lcd_mutex.unlock();
+        Thread::wait(500);   // wait 0.5
     }
 }
-
-// Thread 7
-// Joystick controls onboard mbed LEDs
-void thread7(void const *args)
-{
-    while(true) {         // thread loop
-        if (joyfire) {
-            leds = 0xf;
-        } else {
-            leds = joy;
-        }
-        Thread::wait(200);    // wait 0.25s
-    }
-}
-
-
-
-int main()
-{
-    int j;
-    LCD.cls();
-
-    Thread t1(thread1); //start thread1
-    Thread t2(thread2); //start thread2
-    Thread t3(thread3); //start thread3
-    Thread t4(thread4); //start thread4
-    Thread t5(thread5); //start thread5
-    Thread t6(thread6); //start thread6
-    Thread t7(thread7); //start thread7
-
-    while(true) {       // main is the next thread
-        lcd_mutex.lock();
-        LCD.locate(0,9);
-        LCD.set_font((unsigned char*) Small_7);
-        j = LCD.get_contrast();    // read the actual contrast
-        LCD.printf("contrast : %d",j);
-        lcd_mutex.unlock();
-        Thread::wait(500);   // wait 0.5s
-    }
-}