Ian Wolf
MBED Application board used to control frequency and duty cycle of injector valves
Diff: coil-driver.h
- Revision:
- 0:9b2c760c8e5c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/coil-driver.h Tue Jul 25 14:29:20 2017 +0000
@@ -0,0 +1,22 @@
+#ifndef COIL_DRIVER_H
+#define COIL_DRIVER_H
+
+#include "mbed.h"
+#include "rtos.h"
+
+// Coil driver class. Applies full power for given "spike" time
+// and then applies a PWM signal to keep the coil energized at a lower power.
+class Coil
+{
+public:
+ Coil(PinName _controlPin, uint16_t _spikeus, uint16_t _holdperiod_us, uint16_t _holdpulse_us);
+
+ //InterruptIn controlIn; // Input for external coil "ON" signal
+ PwmOut controlOut; // PWM output pin driving coil
+ uint16_t spikeus, holdperiod_us, holdpulse_us, pwmFrequency;
+
+ void on();
+ void off();
+};
+
+#endif
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