Ion Systems / triforce-esc

Wrapper library for ESC PWM throttle control.

Fork of ESC by Mitch Carlson

Diff: esc.cpp

Revision:
0:ec466ef657a2
Child:
1:4c02fede684b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/esc.cpp	Thu Jun 06 18:57:02 2013 +0000
@@ -0,0 +1,28 @@
+/**
+ * esc.cpp
+ * UWB Quadcopter Project
+ *
+ *
+ * @Author
+ * Mitch Carlson
+ */
+#include "mbed.h"
+#include "esc.h"
+
+ESC::ESC(PwmOut pwmPinOut, int period)
+    : esc(pwmPinOut), period(period), throttle(1000) {
+        esc.period_ms(period);
+        esc.pulsewidth_us(throttle);
+    }
+
+bool ESC::setThrottle(int t) {
+    if (t >= 0 && t <= 100) {     // qualify range
+        throttle = t*10 + 1000;     // map range, 1-2 ms (1000-2000us)
+        return true;
+    }
+    return false;
+}
+
+void ESC::pulse(void) {
+    esc.pulsewidth_us(throttle);
+}