Diff: RFSRF05.h
- Revision:
- 0:1e4910aeb884
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/RFSRF05.h Wed Mar 14 17:05:15 2012 +0000
@@ -0,0 +1,105 @@
+/* mbed SRF05 Ultrasonic Rangefiner Library
+ * Copyright (c) 2007-2010, cstyles, sford
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+
+#ifndef MBED_RFSRF05_H
+#define MBED_RFSRF05_H
+
+#include "mbed.h"
+#include "RF12B.h"
+
+#define CODE0 0x22
+#define CODE1 0x44
+#define CODE2 0x88
+
+/** Library for the SRF05 Ultrasonic range finder
+ *
+ * Example:
+ * @code
+ * // Print measured distance
+ *
+ * #include "mbed.h"
+ * #include "SRF05.h"
+ *
+ * SRF05 srf(p9,p10);
+ *
+ * int main() {
+ * while(1) {
+ * printf("Measured : %.1f\n", srf.read());
+ * wait(0.2);
+ * }
+ * }
+ * @endcode
+ */
+class RFSRF05 {
+public:
+
+ /** Create a SRF05 object, connected to the specified pins
+ *
+ * @param trigger DigitalOut to the SRF05 trigger
+ * @param echo InterruptIn to measure the return pulse
+ */
+ RFSRF05(
+ PinName trigger,
+ PinName echo0,
+ PinName echo1,
+ PinName echo2,
+ PinName echo3,
+ PinName echo4,
+ PinName echo5,
+ PinName SDI,
+ PinName SDO,
+ PinName SCK,
+ PinName NCS,
+ PinName NIRQ);
+
+ /** A non-blocking function that will return the last measurement
+ *
+ * @returns floating point representation of distance in cm
+ */
+ float read0();
+ float read1();
+ float read2();
+
+ /** A short hand way of using the read function */
+ operator float();
+
+private :
+ RF12B _rf;
+ DigitalOut _trigger;
+ InterruptIn _echo0;
+ InterruptIn _echo1;
+ InterruptIn _echo2;
+ InterruptIn _echo3;
+ InterruptIn _echo4;
+ InterruptIn _echo5;
+ Timer _timer;
+ Ticker _ticker;
+ void _rising (void);
+ void _falling (void);
+ void _startRange (void);
+ float _dist[3];
+ char _code[3];
+ int _beacon_counter;
+};
+
+#endif