Revision 12:8297b1d18cb2, committed 2021-04-12

Comitter:

carahcamron

Date:

Mon Apr 12 19:51:39 2021 +0000

Parent:

11:0309bef74ba8

Commit message:

lab 3 code with bluetooth

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/4DGL-uLCD-SE.lib	Mon Apr 12 19:51:39 2021 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/4180_1/code/4DGL-uLCD-SE/#2cb1845d7681

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SDFileSystem.lib	Mon Apr 12 19:51:39 2021 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/neilt6/code/SDFileSystem/#e4d2567200db

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Speaker.h	Mon Apr 12 19:51:39 2021 +0000
@@ -0,0 +1,19 @@
+#include "mbed.h"
+// a new class to play a note on Speaker based on PwmOut class
+class Speaker
+{
+public:
+    Speaker(PinName pin) : _pin(pin) {
+// _pin(pin) means pass pin to the Speaker Constructor
+    }
+// class method to play a note based on PwmOut class
+    void PlayNote(float frequency, float duration, float volume) {
+        _pin.period(1.0/frequency);
+        _pin = volume/2.0;
+        wait(duration);
+        _pin = 0.0;
+    }
+
+private:
+    PwmOut _pin;
+};
\ No newline at end of file

--- a/main.cpp	Wed Feb 15 14:04:02 2017 -0600
+++ b/main.cpp	Mon Apr 12 19:51:39 2021 +0000
@@ -1,22 +1,143 @@
+
 #include "mbed.h"
+#include "uLCD_4DGL.h"
+#include "SDFileSystem.h"
+#include "wave_player.h"
 #include "rtos.h"
- 
-DigitalOut led1(LED1);
-DigitalOut led2(LED2);
-Thread thread;
- 
-void led2_thread() {
+
+//Create class for RGB LED with 3 PWM out;
+class RGBLed
+{
+public:
+    RGBLed(PinName redpin, PinName greenpin, PinName bluepin);
+    void write(float red, float green, float blue);
+private:
+    PwmOut _redpin;
+    PwmOut _greenpin;
+    PwmOut _bluepin;
+};
+
+
+RGBLed::RGBLed (PinName redpin, PinName greenpin, PinName bluepin)
+    : _redpin(redpin), _greenpin(greenpin), _bluepin(bluepin)
+{
+    //50Hz PWM clock default a bit too low, go to 2000Hz (less flicker)
+    _redpin.period(0.0005);
+}
+
+void RGBLed::write(float red,float green, float blue)
+{
+    _redpin = red;
+    _greenpin = green;
+    _bluepin = blue;
+}
+
+
+//-----------------------------------------------------
+DigitalOut led1(LED1);                 // MBED Led 1
+DigitalOut led2(LED2);                 // MBED Led 2
+RGBLed myLED(p23,p24,p25);             // RGB PWM pins
+uLCD_4DGL LCD(p9,p10,p11);             // serial tx, serial rx, reset pin
+RawSerial bluemod(p28,p27);            // bluetooth adafruit serial port
+SDFileSystem sd(p5, p6, p7, p8, "sd"); // SDcard reader
+AnalogOut DACout(p18);                 // Speaker Analog Out
+wave_player waver(&DACout);            // Creates wave player at same address
+
+
+// mutex to make the lcd lib safe
+Mutex lcd_mutex;
+
+Thread thread1;
+Thread thread2;
+Thread thread3;
+
+// Thread 5
+// RGB LED
+
+void led_thread()
+{
+    while(true) {
+        char bred=0;
+        char bgreen=0;
+        char bblue=0;    
+        lcd_mutex.lock();     // thread loop
+        bred = 0.5 + (rand() % 11)/20.0;
+        bgreen = 0.5 + (rand() % 11)/20.0;
+        bblue = 0.5 + (rand() % 11)/20.0;
+        myLED.write(bred, bgreen, bblue);
+        lcd_mutex.unlock();
+        Thread::wait(1667);    // wait 1.5s
+    }
+}
+
+void led_thread1() {
     while (true) {
-        led2 = !led2;
+        char bred=0;
+        char bgreen=0;
+        char bblue=0;
+        while(1) {
+            if(bluemod.readable()) {
+                lcd_mutex.lock();
+                if (bluemod.getc()=='!') {
+                    if (bluemod.getc()=='C') { // color data packet
+                        bred = bluemod.getc(); // RGB color values
+                        bgreen = bluemod.getc();
+                        bblue = bluemod.getc();
+                        if (bluemod.getc()==char(~('!' + 'C' + bred + bgreen + bblue))) { //checksum OK?
+                            myLED.write(bred/255.0, bgreen/255.0, bblue/255.0); // send new color to RGB LED PWM outputs
+
+                        }
+                    }
+                }
+            lcd_mutex.unlock();
+            }
+          Thread::wait(1000);// wait 1s
+        }
+    }
+}
+
+void waveplayer_thread() {
+    while (true) {
+        FILE *wave_file;
+        printf("\n\n\nHello, wave world!\n");
+        wave_file=fopen("/sd/sample.wav","r");
+        waver.play(wave_file);
+        fclose(wave_file);
+        Thread::wait(1500); // wait 0.5s
+    }
+}
+
+void lcd_thread() {
+    while(true) {
+        lcd_mutex.lock();
+        LCD.filled_circle(32,65,25, 0x000000);
+        LCD.circle(65,65,30,0xFF00FF);
+        LCD.filled_circle(97,65,25, 0xFF0000);
+        lcd_mutex.unlock();
+        Thread::wait(1500); // wait 0.5s
+    }
+}
+
+int main() {
+    lcd_mutex.lock();
+    LCD.cls();
+    LCD.background_color(BLACK);
+    LCD.baudrate(3000000);
+    lcd_mutex.unlock();
+
+    thread1.start(led_thread1);   //start RGB thread
+    thread2.start(waveplayer_thread);     //start LCD thread
+    thread3.start(lcd_thread);  //start speaker thread
+
+
+    while (true) {
+        led1 = !led1;
+        lcd_mutex.lock();
+        LCD.filled_circle(97,65,25, 0x000000);
+        LCD.circle(65,65,30,0xFF00FF);
+        LCD.filled_circle(32,65,25, 0x0000FF);
+        lcd_mutex.unlock();
+
         Thread::wait(1000);
     }
 }
- 
-int main() {
-    thread.start(led2_thread);
-    
-    while (true) {
-        led1 = !led1;
-        Thread::wait(500);
-    }
-}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wave_player.lib	Mon Apr 12 19:51:39 2021 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/sravet/code/wave_player/#acc3e18e77ad