Narendra Joshi
We wrote this for controlling our bots in a game designed for the ARM design challenge
Revision 0:2f73cbc3f754, committed 2013-10-27
- Comitter:
- narendraj9
- Date:
- Sun Oct 27 09:19:15 2013 +0000
- Commit message:
- initial commit
Changed in this revision
diff -r 000000000000 -r 2f73cbc3f754 Motor.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Motor.lib Sun Oct 27 09:19:15 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/narendraj9/code/Motor/#118c5f0675da
diff -r 000000000000 -r 2f73cbc3f754 Robo.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Robo.lib Sun Oct 27 09:19:15 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/narendraj9/code/Robo/#c31299ed92f1
diff -r 000000000000 -r 2f73cbc3f754 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sun Oct 27 09:19:15 2013 +0000
@@ -0,0 +1,91 @@
+#include "mbed.h"
+#include "Robo.h"
+
+
+// robot object
+Robo roger(p20, p19, p18,
+ p21, p22, p23,
+ p24, p25, p27, p28, p29, p30);
+
+DigitalOut myled(LED2);
+DigitalOut left(LED3); // status left LED
+DigitalOut right(LED4); // status right LED
+
+// a buzzer when a life decreses
+DigitalOut buzzer(p7);
+
+//the rf receiver Serial object
+Serial rx(p9, p10);
+
+//a rise on this pin reduces a life of the robot
+InterruptIn heart(p6);
+
+/* a wrapper function for roger.devLives
+ * which can be passed as argument to some other funtion
+ */
+void decRoboLives() {
+ roger.decLives();
+ buzzer = 0;
+ }
+
+int main() {
+ char command = 'S';
+ rx.baud(2400);
+ myled = 1; // test led. test: program loaded successfully
+ heart.rise(decRoboLives);
+
+/* main while loop
+ * 1. wait for instructions
+ * 1. read instruction
+ * 2. do the required action
+ * 3. empty the rx object by reading further
+ * 4. go to 1
+ * we introduced redundancy in sending the instructions so as to make
+ * sure they really end up being received by the robots. that's the raison d'etre
+ * for step 3.
+ */
+ while(1) {
+ if (rx.readable()) {
+ command = rx.getc();
+ switch(command) {
+ case 'L' :
+ left = 1;
+ right = 0;
+ roger.goLeft();
+ break;
+ case 'R':
+ right = 1;
+ left = 0;
+ roger.moveRight();
+ break;
+ case 'M':
+ roger.goAhead();
+ break;
+ case 'B':
+ roger.moveBack();
+ break;
+ case 'S':
+ roger.stop();
+ break;
+ case 'D':
+ roger.printlcd("Hi");
+ wait(1);
+ roger.goLeft();
+ roger.moveRight();
+ roger.goLeft();
+ roger.moveRight();
+ roger.goAhead();
+ wait(1);
+ roger.moveBack();
+ wait(1);
+ roger.stop();
+ default:
+ roger.printlcd("Waiting... ");
+ break;
+
+ }
+ while (rx.readable())
+ command = rx.getc();
+ }
+ }
+ }
diff -r 000000000000 -r 2f73cbc3f754 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sun Oct 27 09:19:15 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/a9913a65894f \ No newline at end of file