Azra Ismail
update
Dependencies: 4DGL-uLCD-SE SDFileSystem mbed-rtos mbed wave_player
Diff: Part2.cpp
- Revision:
- 1:3af15e979565
- Parent:
- 0:8af0a4200bd0
- Child:
- 2:d832b6c139d4
--- a/Part2.cpp Thu Oct 13 10:06:25 2016 +0000
+++ b/Part2.cpp Thu Oct 13 13:22:29 2016 +0000
@@ -7,20 +7,19 @@
// mutex to make the lcd lib thread safe
Mutex lcd_mutex;
-//SDFileSystem sd(p5, p6, p7, p8, "sd"); //SD card
-//AnalogOut speaker(p26);
-//wave_player waver(&speaker);
-uLCD_4DGL uLCD(p28,p27,p30); // serial tx, serial rx, reset pin;
-//BusIn joy(p15,p12,p13,p16);
-BusOut leds(LED1,LED2,LED3,LED4);
-DigitalIn joyfire(p14);
+SDFileSystem sd(p5, p6, p7, p8, "sd"); //SD card
+AnalogOut speaker(p18);
+wave_player waver(&speaker);
+uLCD_4DGL uLCD(p28,p27,p30); // serial tx, serial rx, reset pin
+Semaphore lcd_sem(1);
-// Shiftbrite stuff
+// Shiftbrite
DigitalOut latch(p15);
DigitalOut enable(p16);
SPI spi(p11, p12, p13);
+// Touchpad
// Create the interrupt receiver object on pin 26
InterruptIn interrupt(p26);
// Setup the i2c bus on pins 9 and 10
@@ -29,7 +28,7 @@
// constructor(i2c object, i2c address of the mpr121)
Mpr121 mpr121(&i2c, Mpr121::ADD_VSS);
-
+// Test leds
DigitalOut led1(LED1);
DigitalOut led2(LED2);
DigitalOut led3(LED3);
@@ -38,14 +37,15 @@
// global variables
int light = 0; // to keep track of lighting
int sound = 0; // to keep track of sound
-// led lights
-//int red;
-//int green;
-//int blue;
+int sb_freq = 0.5; // rgb frequency
+int bright = 1; // time of the day
-//AnalogIn photocell(p15);
-PwmOut myled(LED1);
+// Light sensor
+AnalogIn photocell(p17);
+//PwmOut myled(LED1);
+
+// Microphone
class microphone
{
public :
@@ -55,6 +55,7 @@
private :
AnalogIn _pin;
};
+
microphone::microphone (PinName pin):
_pin(pin)
{
@@ -70,8 +71,70 @@
return _pin.read();
}
-//microphone mymicrophone(p16);
+
+// joystick
+class Nav_Switch
+{
+public:
+ Nav_Switch(PinName up,PinName down,PinName left,PinName right,PinName fire);
+ int read();
+//boolean functions to test each switch
+ bool up();
+ bool down();
+ bool left();
+ bool right();
+ bool fire();
+//automatic read on RHS
+ operator int ();
+//index to any switch array style
+ bool operator[](int index) {
+ return _pins[index];
+ };
+private:
+ BusIn _pins;
+};
+Nav_Switch::Nav_Switch (PinName up,PinName down,PinName left,PinName right,PinName fire):
+ _pins(up, down, left, right, fire)
+{
+ _pins.mode(PullUp); //needed if pullups not on board or a bare nav switch is used - delete otherwise
+ wait(0.001); //delays just a bit for pullups to pull inputs high
+}
+inline bool Nav_Switch::up()
+{
+ return !(_pins[0]);
+}
+inline bool Nav_Switch::down()
+{
+ return !(_pins[1]);
+}
+inline bool Nav_Switch::left()
+{
+ return !(_pins[2]);
+}
+inline bool Nav_Switch::right()
+{
+ return !(_pins[3]);
+}
+inline bool Nav_Switch::fire()
+{
+ return !(_pins[4]);
+}
+inline int Nav_Switch::read()
+{
+ return _pins.read();
+}
+inline Nav_Switch::operator int ()
+{
+ return _pins.read();
+}
+
+microphone mymicrophone(p19); // uncomment when using
+
+// joystick
+Nav_Switch myNav(p14, p25, p24, p10, p9); //pin order on Sparkfun breakout
+
+// Shiftbrite
void RGB_LED(int red, int green, int blue)
{
unsigned int low_color=0;
@@ -90,11 +153,12 @@
{
while(true) { // thread loop
lcd_mutex.lock();
+ // lcd_sem.wait();
if (light == 0 && sound == 1) {
// display red siren
uLCD.filled_circle(SIZE_X/2, SIZE_Y/2, 10, RED);
uLCD.filled_rectangle(SIZE_X/2 - 10, SIZE_Y/2, SIZE_X/2 + 10, SIZE_Y/2 + 30, RED);
- } else if (light == 1 ) {
+ } else if (light == 1 || sound == 0) {
// display white siren
uLCD.filled_circle(SIZE_X/2, SIZE_Y/2, 10, WHITE);
uLCD.filled_rectangle(SIZE_X/2 - 10, SIZE_Y/2, SIZE_X/2 + 10, SIZE_Y/2 + 30, WHITE);
@@ -104,6 +168,7 @@
uLCD.filled_rectangle(SIZE_X/2 - 10, SIZE_Y/2, SIZE_X/2 + 10, SIZE_Y/2 + 30, BLUE);
}
lcd_mutex.unlock();
+ // lcd_sem.release();
Thread::wait(5); // wait till thread is done
}
}
@@ -113,6 +178,7 @@
{
while(true) { // thread loop
lcd_mutex.lock();
+ // lcd_sem.wait();
if (sound == 1) {
// some indication there is audio
// text saying "!ALERT!"
@@ -121,61 +187,75 @@
uLCD.set_font_size(7, 7);
uLCD.printf("!ALERT !");
} else if (sound == 0) {
- uLCD.color(0x000000);
+ //uLCD.color(0x000000);
uLCD.locate(6,1);
uLCD.set_font_size(7, 7);
- uLCD.printf("!ALERT !");
+ uLCD.textbackground_color(BLACK);
+ uLCD.printf(" ");
// no indication
// text removed
-
}
lcd_mutex.unlock();
+ // lcd_sem.release();
Thread::wait(5); // wait till thread is done
}
}
+// thread playing video
+void video_thread(void const *args)
+{
+ uLCD.media_init();
+ uLCD.set_sector_address(0x001D, 0x4C42);
+ uLCD.display_video(0,0);
+}
+
+int play = 1;
// thread dealing with speaker
-
void speaker_thread(void const *args)
{
-
-/* FILE *wave_file;
+ FILE *wave_file;
wave_file = fopen("/sd/police_siren.wav","r");
// play siren
while(true) { // thread loop
- sound = 1;
- //wait(5);
- waver.play(wave_file);
-
- // generate a 500Hz tone using PWM hardware output
- //speaker.period(1.0/500.0); // 500hz period
- //speaker =0.5; //50% duty cycle - max volume
- //wait(3);
- //speaker=0.0; // turn off audio
- //wait(2);
- speaker = 0;
- wait(5);
+ if (play == 1) {
+ sound = 1; // comment when using mic
+ waver.play(wave_file);
+ play = 0; // comment when using joystick or touchpad
+ } else if (play == 0) {
+ // how can we stop play midway? - reduce volume?
+ sound = 0; // comment when using mic
+ wait(5); // comment when using joystick or touchpad
+ play = 1; // comment when using joystick or touchpad
+ }
Thread::wait(1000); // wait 1s
- //speaker=0.0; // off
}
- //Thread::wait(100); // wait 1s
-
- fclose(wave_file);*/
+ fclose(wave_file);
}
// thread reading from - ultrasonic sensor to do XYZ
+void sonar_thread(void const *args)
+{
+}
// thread reading from - tactile switch to control RGB/sound/lcd
void switchthread(void const *args)
{
- while(true) { // thread loop
- /* if (joyfire) {
- leds = 0xf;
- } else {
- leds = joy;
- }
- Thread::wait(1000); // wait 0.25s*/
+ while(true) {
+ // control sound & RGB frequency
+ //with pullups a button hit is a "0" - "~" inverts data to leds
+ //mbedleds = ~(myNav & 0x0F); //update leds with nav switch direction inputs FOR TESTING ONLY
+ if (myNav.up()) play = 1;
+ if (myNav.down()) play = 0;
+ if (sb_freq > 0.2) {
+ if (myNav.left()) sb_freq -= 0.1;
+ }
+ if (sb_freq < 1) {
+ if (myNav.right()) sb_freq += 0.1;
+ }
+ //if(myNav.fire()) mbedleds = 0x0F; //special all leds on case for fire (center button)
+ //or use - if(myNav[4]==0) mbedleds = 0x0F; //can index a switch bit like this
+ Thread::wait(200);
}
}
@@ -193,11 +273,15 @@
for (i=0; i<12; i++) {
if (((value>>i)&0x01)==1) key_code=i+1;
}
- led4=key_code & 0x01;
- led3=(key_code>>1) & 0x01;
- led2=(key_code>>2) & 0x01;
- led1=(key_code>>3) & 0x01;
- Thread::wait(1000); // wait 0.25s
+ if (key_code == 2) {
+ play = 1;
+ } else if (key_code == 8) {
+ play = 0;
+ } else if (key_code == 4) {
+ sb_freq -= 0.1;
+ } else if (key_code == 6) {
+ sb_freq += 0.1;
+ }
}
}
@@ -205,30 +289,40 @@
void lightsensor_thread(void const *args)
{
while(true) { // thread loop
- /* myled = photocell;
- wait(0.1);
- Thread::wait(1000); // wait 0.25s*/
+ if (photocell*3.3 < 1.34) {
+ bright = 0;
+ } else {
+ bright = 1;
+ }
+ wait(0.1);
+ Thread::wait(1000); // wait 0.25s
}
}
+int mymic;
// thread reading from - microphone to control rgb
void mic_thread(void const *args)
{
- /* while(true) { // thread loop
- //read in, subtract 0.67 DC bias, take absolute value, and scale up .1Vpp to 15 for builtin LED display
- leds = int(abs((mymicrophone - (0.67/3.3)))*500.0);
- //Use an 8kHz audio sample rate (phone quality audio);
- wait(1.0/8000.0);
- Thread::wait(1000); // wait 0.25s
- }*/
+ while(true) { // thread loop
+ //read in, subtract 0.67 DC bias, take absolute value, and scale up .1Vpp to 15 for builtin LED display
+ mymic = int(abs((mymicrophone - (0.67/3.3)))*500.0);
+ //Use an 8kHz audio sample rate (phone quality audio);
+ if (mymic > 0.5) {
+ sound = 1;
+ //wait(7); // song is around 8 seconds long
+ } else {
+ sound = 0;
+ }
+ //wait(1.0/8000.0);
+ Thread::wait(1000); // wait 0.25s
+ }
}
int main()
{
- //uLCD.cls();
- wait(1);
+ uLCD.cls();
+
// shiftbrite stuff
-
int red=0;
int green=0;
int blue=0;
@@ -237,65 +331,73 @@
enable=0;
latch=0;
wait(2);
- // draw police car base
+
+ // draw police car base?
+
+ // t5 and t6 should not run at the same time
// call threads here
Thread t1(LCD_thread1); //start thread1
Thread t2(LCD_thread2); //start thread2
- //Thread t4(speaker_thread); //start thread4
+ //Thread t3(speaker_thread); //start thread3
+ //Thread t4(sonar_thread); // start thread4
//Thread t5(switchthread); //start thread5
//Thread t6(touchpad_thread); //start thread6
//Thread t7(lightsensor_thread); //start thread7
//Thread t8(mic_thread); //start thread8
+ // running shiftbrite
+ int color = 255;
while(1) {
+ if (bright == 0) {
+ color = 150;
+ } else {
+ color = 255;
+ }
if (sound == 0) {
RGB_LED(0,0,0);
- //Thread::wait(500);
+ Thread::wait(500);
} else {
light = 0;
- red = 200; // flash red light
+ red = color; // flash red light
green = 0;
blue = 0;
RGB_LED(red, green, blue);
- wait(0.5);
+ wait(sb_freq);
RGB_LED(0,0,0);
- wait(0.5);
+ wait(sb_freq);
light = 1;
- red = 200; // flash white light
- green = 200;
- blue = 200;
+ red = color; // flash white light
+ green = color;
+ blue = color;
RGB_LED( red, green, blue);
- wait(0.5);
+ wait(sb_freq);
RGB_LED(0,0,0);
- wait(0.5);
+ wait(sb_freq);
light = 2;
red = 0; // flash blue light
green = 0;
- blue = 200;
+ blue = color;
RGB_LED( red, green, blue);
- wait(0.5);
+ wait(sb_freq);
RGB_LED(0,0,0);
- wait(0.5);
+ wait(sb_freq);
light = 1;
- red = 200; // flash white light
- green = 200;
- blue = 200;
+ red = color; // flash white light
+ green = color;
+ blue = color;
RGB_LED( red, green, blue);
- wait(0.5);
+ wait(sb_freq);
RGB_LED(0,0,0);
+ Thread::wait(500);
}
- Thread::wait(500);
}
-
-
-
}