mbed Car

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Comitter:
malcolmlear
Date:
Thu Oct 27 13:26:41 2016 +0000
Commit message:
Test

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
diff -r 000000000000 -r 6cfc4ab23aac main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Oct 27 13:26:41 2016 +0000
@@ -0,0 +1,62 @@
+#include "mbed.h"
+
+PwmOut steering(p21);
+PwmOut velocity(p22);
+
+float vo=0;
+
+// Velocity expects -1 (reverse) to +1 (forward)
+void Velocity(float v) {
+    v=v+1;
+    if (v>=0 && v<=2) {
+        if (vo>=1 && v<1) {                 //
+            velocity.pulsewidth(0.0014);    // this is required to
+            wait(0.1);                      //
+            velocity.pulsewidth(0.0015);    // move into reverse
+            wait(0.1);                      //
+        }                                   //
+        velocity.pulsewidth(v/2000+0.001);
+        vo=v;
+    }
+}
+// Steering expects -1 (left) to +1 (right)
+void Steering(float s) {
+    s=s+1;
+    if (s>=0 && s<=2) {
+        steering.pulsewidth(s/2000+0.001);
+    }
+}
+
+int main() { 
+    velocity.period(0.02);
+    steering.period(0.02);
+    Velocity(0); // initiate the drive motor (this must be done)
+    Steering(0); // centre steering 
+    wait(0.5);
+    while(1) {
+        for(int i=0; i<100; i++) {          // stop to full forward
+            Velocity(i/100.0);
+            wait(0.1);
+        }
+        for(int i=100; i>-100; i--) {       // full forward to full reverse
+            Velocity(i/100.0);
+            wait(0.1);
+        }
+        for(int i=-100; i<0; i++) {         // full reverse to stop
+            Velocity(i/100.0);
+            wait(0.1);
+        }
+        for(int i=0; i<100; i++) {          // centre to full right
+            Steering(i/100.0);
+            wait(0.1);
+        }
+        for(int i=100; i>-100; i--) {       // full right to full left
+            Steering(i/100.0);
+            wait(0.1);
+        }
+        for(int i=-100; i<0; i++) {         // full left to centre
+            Steering(i/100.0);
+            wait(0.1);
+        }
+    }
+}
diff -r 000000000000 -r 6cfc4ab23aac mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Oct 27 13:26:41 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/6f327212ef96
\ No newline at end of file