Jen Logreira
Mini Design Project demonstrating a Bluetooth Controlled Robot
Dependencies: Motor WavePlayer_HelloWorld4180 mbed
Revision 0:a4708667f84e, committed 2016-03-15
- Comitter:
- jlogreira3
- Date:
- Tue Mar 15 18:20:53 2016 +0000
- Commit message:
- dfgdsfg
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Motor.lib Tue Mar 15 18:20:53 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/simon/code/Motor/#f265e441bcd9
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/RGBLed.h Tue Mar 15 18:20:53 2016 +0000
@@ -0,0 +1,27 @@
+#include "mbed.h"
+
+//Class to control an RGB LED using three PWM pins
+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;
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WavePlayer_HelloWorld.lib Tue Mar 15 18:20:53 2016 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/users/jlogreira3/code/WavePlayer_HelloWorld4180/#f27cbf739ab0
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Mar 15 18:20:53 2016 +0000
@@ -0,0 +1,147 @@
+#include "mbed.h"
+#include "wave_player.h"
+#include "SDFileSystem.h"
+#include "Motor.h"
+#include "RGBLed.h"
+
+
+Motor motorA(p26, p11, p12); // pwm, fwd, rev
+Motor motorB(p25, p13, p14); // pwm, fwd, rev
+
+// Setup RGB led using PWM pins and class
+RGBLed myRGBled(p22,p23,p24); //red, green, blue PWM pins
+
+// Setup to play wav file from SD Card
+AnalogOut DACout(p18);
+wave_player waver(&DACout);
+SDFileSystem sd(p5, p6, p7, p8, "sd"); //SD card
+
+// Setup for bluetooth
+Serial blue(p28,p27);
+BusOut myled(LED1,LED2,LED3,LED4);
+
+//also setting any unused analog input pins to digital outputs reduces A/D noise a bit
+//see http://mbed.org/users/chris/notebook/Getting-best-ADC-performance/
+DigitalOut P16(p16);
+DigitalOut P17(p17);
+DigitalOut P19(p19);
+DigitalOut P20(p20);
+
+void playSound(char * wav)
+{
+ // need to change code to use threads to play the wav file while avoiding disrupting continuous code flow
+ // open wav file
+ FILE *wave_file;
+ wave_file = fopen(wav,"r");
+
+ // play wav file
+ waver.play(wave_file);
+
+ // close wav file
+ fclose(wave_file);
+}
+
+
+int main()
+{
+ float motorSpeed = 0.0;
+ char bnum = 0;
+ char bhit = 0;
+ while(1)
+ {
+ motorA.speed(motorSpeed);
+ motorB.speed(motorSpeed);
+ if (blue.getc() == '!') {
+ if (blue.getc() == 'B') { //button data packet
+ bnum = blue.getc(); //button number
+ bhit = blue.getc(); //1=hit, 0=release
+ if (blue.getc() == char(~('!' + 'B' + bnum + bhit))) { //checksum OK?
+ myled = bnum - '1'; //current button number will appear on LEDs
+ switch (bnum) {
+ case '1': //number button 1
+ if (bhit=='1') {
+ //add hit code here
+ motorSpeed += 0.2; // speed up
+ myRGBled.write(0.0,1.0,0.0); //green
+ } else {
+ //add release code here
+ }
+ break;
+ case '2': //number button 2
+ if (bhit=='1') {
+ //add hit code here
+ } else {
+ //add release code here
+ motorSpeed -= 0.2; // slow down
+ myRGBled.write(0.0,0.0,1.0); //blue
+ }
+ break;
+ case '3': //number button 3
+ if (bhit=='1') {
+ //add hit code here
+ } else {
+ //add release code here
+ motorSpeed = 0.0;
+ myRGBled.write(1.0,0.0,0.0); //red
+ }
+ break;
+ case '4': //number button 4
+ if (bhit=='1') {
+ //add hit code here
+ myRGBled.write(0.5,0.5,0.5); //white
+
+ } else {
+ //add release code here
+ playSound("/sd/myWavFiles/CarHornHonk.wav");
+ }
+ break;
+ case '5': //button 5 up arrow
+ if (bhit=='1') {
+ //add hit code here
+ motorSpeed = 0.5; // speed up
+ myRGBled.write(0.0,1.0,1.0); // teal
+ } else {
+ //add release code here
+ }
+ break;
+ case '6': //button 6 down arrow
+ if (bhit=='1') {
+ //add hit code here
+ motorSpeed = -0.5; // speed up
+ myRGBled.write(1.0,0.1,0.0); //orange
+ } else {
+ //add release code here
+ }
+ break;
+ case '7': //button 7 left arrow
+ if (bhit=='1') {
+ //add hit code here
+ myRGBled.write(0.3,0.0,0.6); // purple
+ motorA.speed(-1.0);
+ motorB.speed(1.0);
+ wait(1);
+ } else {
+ //add release code here
+ }
+ break;
+ case '8': //button 8 right arrow
+ if (bhit=='1') {
+ //add hit code here
+ myRGBled.write(1.0,0.0,0.2); // pink
+ motorA.speed(1.0);
+ motorB.speed(-1.0);
+ wait(1);
+ } else {
+ //add release code here
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ }
+ }
+ }
+}
+
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Mar 15 18:20:53 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/87f2f5183dfb \ No newline at end of file