Philip Wolfe
Lab4 4180 photocell controlled cursor game
Dependencies: 4DGL-uLCD-SE SDFileSystem mbed-rtos mbed wave_player
Revision 0:a17e0e0a506a, committed 2015-10-20
- Comitter:
- pwolfe8
- Date:
- Tue Oct 20 20:22:41 2015 +0000
- Commit message:
- 4180Lab4Fall15PhilipWolfe;
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/4DGL-uLCD-SE.lib Tue Oct 20 20:22:41 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/4180_1/code/4DGL-uLCD-SE/#e39a44de229a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/PwmSpeaker.cpp Tue Oct 20 20:22:41 2015 +0000
@@ -0,0 +1,50 @@
+#include "PwmSpeaker.h"
+
+PwmSpeaker::PwmSpeaker(PinName pin) : _pin(pin) {
+ // _pin(pin) means pass pin to the Speaker Constructor
+}
+
+// class method to play a note based on PwmOut class
+void PwmSpeaker::playNote(float frequency, float duration, float volume) {
+ _pin.period(1.0/frequency);
+ _pin = volume/2.0; //50% duty cycle - max volume
+ wait(duration);
+ _pin = 0.0; //turn off note
+}
+
+// generate a short 150Hz tone using PWM hardware output
+// something like this can be used for a button click effect for feedback
+ //for (i=0; i<10; i++) {
+// speaker.period(1.0/150.0); // 500hz period
+// speaker =0.25; //25% duty cycle - mid range volume
+// wait(.02);
+// speaker=0.0; // turn off audio
+// wait(0.5);
+// }
+// sweep up in frequency by changing the PWM period
+ //for (i=0; i<8000; i=i+100) {
+// speaker.period(1.0/float(i));
+// speaker=0.25;
+// wait(.1);
+// }
+// wait(2);
+// two tone police siren effect - two periods or two frequencies
+// increase volume - by changing the PWM duty cycle
+// for (i=0; i<26; i=i+2) {
+// speaker.period(1.0/969.0);
+// speaker = float(i)/50.0;
+// wait(.5);
+// speaker.period(1.0/800.0);
+// wait(.5);
+// }
+//// decrease volume
+// for (i=25; i>=0; i=i-2) {
+// speaker.period(1.0/969.0);
+// speaker = float(i)/50.0;
+// wait(.5);
+// speaker.period(1.0/800.0);
+// wait(.5);
+// }
+// speaker =0.0;
+// wait(2);
+//}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/PwmSpeaker.h Tue Oct 20 20:22:41 2015 +0000
@@ -0,0 +1,10 @@
+#include "mbed.h"
+
+class PwmSpeaker
+{
+ public:
+ PwmSpeaker(PinName pin);
+ void playNote(float frequency, float duration, float volume);
+ private:
+ PwmOut _pin;
+};
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SDFileSystem.lib Tue Oct 20 20:22:41 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/mbed_official/code/SDFileSystem/#7b35d1709458
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Oct 20 20:22:41 2015 +0000
@@ -0,0 +1,141 @@
+#include "mbed.h"
+#include "rtos.h"
+#include "uLCD_4DGL.h"
+#include "SDFileSystem.h"
+#include "wave_player.h"
+
+// Mutex initialization
+Mutex lcdLock;
+Mutex speakerLock;
+Mutex hitLock;
+
+// AnalogIn initialization
+AnalogIn photocell1(p15);
+AnalogIn photocell2(p16);
+
+// Speaker initialization
+//PwmSpeaker speaker(p21);
+ SDFileSystem sd(p5, p6, p7, p8, "sd"); //SD card
+ FILE *wave_file;
+ AnalogOut DACout(p18);
+ wave_player waver(&DACout);
+
+// uLCD initialization
+uLCD_4DGL uLCD(p28,p27,p26); // tx, rx, rst;
+
+//Variable initializations
+int c1=0, c2=0, s1=0; //photocell variables
+int x=64, y=64, cursorRadius = 5; // cursor variables
+int xr=0,yr=0, hitRadius = 7; // beatmap variables
+int pnts = 0; int distAwaySqr = 100, distReqSqr = 101; int clearX=0, clearY=0; //handleHit variables
+static void handleHit() {
+ Thread::wait(50);
+
+ hitLock.lock();
+ clearX = xr;
+ clearY = yr;
+ hitLock.unlock();
+
+ distAwaySqr = (x-clearX)*(x-clearX) + (y-clearY)*(y-clearY);
+ distReqSqr = (cursorRadius+hitRadius)*(cursorRadius+hitRadius);
+ if ( distAwaySqr <= distReqSqr ) {
+ pnts++;
+ Thread::wait(50);
+
+ lcdLock.lock();
+ uLCD.circle(clearX,clearY,hitRadius+3,RED);
+ uLCD.circle(clearX,clearY,hitRadius+5,RED);
+ lcdLock.unlock();
+ Thread::wait(100);
+ lcdLock.lock();
+ uLCD.filled_circle(clearX,clearY,hitRadius+5,BLACK);
+ lcdLock.unlock();
+
+ Thread::wait(50);
+
+ lcdLock.lock();
+ uLCD.printf("pnts: %d\r", pnts);
+ lcdLock.unlock();
+ }
+ Thread::wait(50);
+}
+
+// Photocell thread
+void phc_thread(void const *args) {
+ while(1){
+ c1 = (photocell1.read()- 0.06)*150;
+ c1 = (c1>64) ? 64 : c1; //clamp below 64
+ c1 = c1 - 32; // move between -32 and 31
+
+ c2 = (photocell2.read() - 0.06)*150;
+ c2 = (c2>64) ? 64 : c2; //clamp below 64
+ c2 = c2 - 32; // move between -32 and 31
+ Thread::wait(50);
+ }
+}
+
+// player cursor thread
+void cursor_thread(void const *args) {
+ while(1){
+ lcdLock.lock();
+ uLCD.filled_circle(x,y,cursorRadius,BLACK);
+ lcdLock.unlock();
+ Thread::wait(50);
+
+ x = 64-c1;
+ y = 64-c2;
+ handleHit();
+
+ lcdLock.lock();
+ uLCD.filled_circle(x,y,cursorRadius,GREEN);
+ lcdLock.unlock();
+ Thread::wait(50);
+ }
+}
+
+// beatmap thread
+void bm_thread(void const *args) {
+ while(1){
+ hitLock.lock();
+ xr = rand()%64 + 32;
+ yr = rand()%64 + 32;
+ hitLock.unlock();
+
+ lcdLock.lock();
+ uLCD.filled_circle(xr,yr,hitRadius,0xFF00FF);
+ lcdLock.unlock();
+
+ Thread::wait(4000);
+
+ lcdLock.lock();
+ uLCD.filled_circle(xr,yr,hitRadius,BLACK);
+ lcdLock.unlock();
+ Thread::wait(50);
+ }
+}
+
+// Sound thread
+void sound_thread(void const *args) {
+ while(1){
+ wave_file=fopen("/sd/wavfiles/CaveStory.wav","r");
+ speakerLock.lock();
+ waver.play(wave_file);
+ speakerLock.unlock();
+ fclose(wave_file);
+ Thread::wait(30000); // wait 30s before playing again
+ }
+
+}
+
+int main() {
+ uLCD.printf("pnts: %d\n\n\n\n\n\n\n\n\n\n\n\n\n\n", pnts);
+ uLCD.printf("Chase pink circle!");
+ uLCD.locate(0,0);
+ Thread cursor(cursor_thread);
+ Thread beatmap(bm_thread);
+ Thread sound(sound_thread);
+ Thread pcell(phc_thread);
+
+ while (true) {
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos.lib Tue Oct 20 20:22:41 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed-rtos/#12552ef4e980
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Oct 20 20:22:41 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/34e6b704fe68 \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/wave_player.lib Tue Oct 20 20:22:41 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/sravet/code/wave_player/#acc3e18e77ad