Diff: Pulse1.h

Revision:

1:48651f86a80c

Child:

2:a91e76505e52

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Pulse1.h	Thu Nov 07 03:34:00 2013 +0000
@@ -0,0 +1,53 @@
+
+#ifndef MBED_PULSE1_H
+#define MBED_PULSE1_H
+
+#include "mbed.h"
+
+/** Pulse Input/Output Class(es)
+ */
+ 
+class PulseInOut   {
+    public:
+        /** Create a PulseInOut object connected to the specified pin
+        * @param pin i/o pin to connect to
+        */
+        PulseInOut(PinName);
+        ~PulseInOut();
+        /** Set the value of the pin
+        * @param val Value to set, 0 for LOW, otherwise HIGH
+        */
+        void write(int val);
+        /** Send a pulse of a given value for a specified time
+        * @param val Value to set, 0 for LOW, otherwise HIGH
+        * @param time Length of pulse in microseconds
+        */
+        void write_us(int val, int time);
+        /** Return the length of the next HIGH pulse in microsconds
+        */
+        int read_high_us();
+        /** Return the length of the next HIGH pulse in microseconds or -1 if longer than timeout
+        * @param timeout Time before pulse reading aborts and returns -1, in microseconds
+        */
+        int read_high_us(int timeout);
+        /** Return the length of the next LOW pulse in microsconds
+        */
+        int read_low_us();
+        /** Return the length of the next LOW pulse in microseconds or -1 if longer than timeout
+        * @param timeout Time before pulse reading aborts and returns -1, in microseconds
+        */
+        int read_low_us(int timeout);
+        /** Return the length of the next pulse in microsconds
+        */
+        int read_us();
+        /** Return the length of the next pulse in microseconds or -1 if longer than timeout
+        * @param timeout Time before pulse reading aborts and returns -1, in microseconds
+        */
+        int read_us(int timeout);
+    private:
+        int startval;
+        Timer pulsetime, runtime;
+        DigitalInOut io;
+};
+
+#endif
\ No newline at end of file