Diff: main.cpp

Revision:

12:7e05acc6502b

Parent:

11:0309bef74ba8

Child:

13:72e2a45b7847

--- a/main.cpp	Wed Feb 15 14:04:02 2017 -0600
+++ b/main.cpp	Sun Feb 26 19:52:01 2017 +0000
@@ -1,22 +1,165 @@
 #include "mbed.h"
 #include "rtos.h"
- 
+#include "uLCD_4DGL.h"
+#include "ShiftBrite.h"
+#include "SDFileSystem.h"
+#include "wave_player.h"
+
+Mutex mutex;    //handles writing to the LCD
+Mutex mutex2;   //used for color changing
 DigitalOut led1(LED1);
 DigitalOut led2(LED2);
-Thread thread;
- 
-void led2_thread() {
-    while (true) {
-        led2 = !led2;
-        Thread::wait(1000);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
+Thread thread1;
+Thread thread2;
+Thread thread3;
+Thread thread4;
+DigitalOut latch(p15);
+DigitalOut enable(p16);
+SPI spi(p11, p12, p13);
+uLCD_4DGL uLCD(p28,p27,p29); //(p27, p28, p30);    //tx, rx, rst
+ShiftBrite myBrite(p15,p16,spi); //latch, enable, spi
+SDFileSystem sd(p5, p6, p7, p8, "sd"); //SD card
+AnalogOut DACout(p18);      //must be p18
+RawSerial BT(p9, p10);  //bluetooth pinout
+int red = 200;
+int blue = 0;
+int green = 0;
+FILE *wave_file;        //global bc its gotta be changed by Main while running in child thread
+unsigned int redHex = 0xFF0000;
+unsigned int grnHex = 0x00FF00;
+unsigned int bluHex = 0x0000FF;
+
+
+wave_player waver(&DACout);
+
+void LCD_thread1() {
+    while(1){    
+        mutex.lock();
+        uLCD.filled_circle(64, 64, 12, 0xFF0000);
+        mutex.unlock();
+        wait(.5);
+        mutex.lock();
+        uLCD.filled_circle(64, 64, 12, 0x0000FF);
+        mutex.unlock();
+        wait(.5);
+    }     
+}
+void LCD_thread2() {    //update a timer on the display every 100ms
+    uLCD.cls();
+    float time = 0.0;
+    int count =0;
+    while(1) {
+        Thread::wait(60);
+        //time = time + 0.25;
+        uLCD.locate(0,0);
+        mutex.lock();
+        count++;
+        uLCD.printf("Counting! %i \n", count);
+        mutex.unlock();
     }
 }
- 
-int main() {
-    thread.start(led2_thread);
+void LED_thread() {
+    //flash red & blue for police siren
+    while(1){
+        mutex2.lock();
+        //myBrite.Write(red,green,blue);
+        myBrite.Write(150, green, 0);
+        mutex2.unlock();
+        wait(.5);
+        mutex2.lock();
+        myBrite.Write(0,green,150);
+        //myBrite.Write(blue,green,red);  // change LEDs so Red=OFF, Blue=ON
+        mutex2.unlock();
+        wait(.5); 
+    }
+} 
+void BT_thread() {
+    // use mutex to lock getc(), printf(), scanf()
+    // don't unlock until you've checked that it's readable() 
+    char bnum=0;
+    while(1) {
+        mutex.lock();
+        if (BT.getc()=='!') {
+            if (BT.getc()=='B') { //button data
+                bnum = BT.getc(); //button number
+                if (bnum == '1') {
+                    green = 250;  
+                }
+                if (bnum == '2') {
+                    
+                }
+                if (bnum == '3') {
+                    green = 250;  
+                }
+                if (bnum == '4') {
+                    green = 0;
+                }
+                //if ((bnum>='1')&&(bnum<='4')) //is a number button 1..4
+                //    myled[bnum-'1']=blue.getc()-'0'; //turn on/off that num LED
+            }
+        }
+        mutex.unlock();
+    }  
     
-    while (true) {
-        led1 = !led1;
-        Thread::wait(500);
+}
+void sound_thread(){
+    //FILE *wave_file;
+    wave_file=fopen("/sd/Police_Siren.wav","r");    
+    if (wave_file == NULL){
+           led1=led2=led3=led4 = 1;
     }
+    waver.play(wave_file);
+    fclose(wave_file);  
 }
+int main() {
+    thread1.start(LED_thread);  //police lights work
+    thread2.start(LCD_thread1);
+    thread3.start(LCD_thread2);
+    thread4.start(sound_thread);
+    // use mutex to lock getc(), printf(), scanf()
+    // don't unlock until you've checked that it's readable() 
+    char bnum=0;
+    while(1) {
+        mutex.lock();
+        if (BT.getc()=='!') {
+            if (BT.getc()=='B') { //button data
+                bnum = BT.getc(); //button number
+                if (bnum == '1') {  //turn Green LED on
+                    green = 250; 
+                    led1 = 1;
+                    led2=led3=led4=0; 
+                }
+                if (bnum == '2') { // turn Green LED off
+                    green = 0;
+                    led1=led3=led4=0;
+                    led2=1;
+                }
+                if (bnum == '3') {  // change sound file playing
+                    green = 250;  
+                    led2=led1=led4=0;
+                    led3=1;
+                    fclose(wave_file);        //stop police siren from playing
+                    
+                    FILE *wave_file2;
+                    wave_file2=fopen("/sd/banker_calling.wav","r");
+                    if (wave_file2 == NULL){
+                        led1=led2=0;
+                        led3=led4=1;
+                    }
+                    waver.play(wave_file2);
+                    fclose(wave_file2);
+                    
+
+                }
+                if (bnum == '4') {  // change LCD colors
+                    bluHex = 0x00FF00;  //change the lights to flash red/grn
+                    led2=led3=led1=0;
+                    led4=1;
+                }
+            }
+        }
+    } 
+    
+}