A compilation of some hardware sensors and their shared programming interfaces.
TouchSensor.h@0:8d34cc2ff388, 2014-03-16 (annotated)
- Committer:
- mgottscho
- Date:
- Sun Mar 16 01:48:59 2014 +0000
- Revision:
- 0:8d34cc2ff388
A compilation of various hardware sensors and some shared programming interfaces.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mgottscho | 0:8d34cc2ff388 | 1 | /* TouchSensor.h |
mgottscho | 0:8d34cc2ff388 | 2 | * Tested with mbed board: FRDM-KL46Z |
mgottscho | 0:8d34cc2ff388 | 3 | * Author: Mark Gottscho |
mgottscho | 0:8d34cc2ff388 | 4 | * mgottscho@ucla.edu |
mgottscho | 0:8d34cc2ff388 | 5 | */ |
mgottscho | 0:8d34cc2ff388 | 6 | |
mgottscho | 0:8d34cc2ff388 | 7 | #ifndef TOUCHSENSOR_H |
mgottscho | 0:8d34cc2ff388 | 8 | #define TOUCHSENSOR_H |
mgottscho | 0:8d34cc2ff388 | 9 | |
mgottscho | 0:8d34cc2ff388 | 10 | #include "mbed.h" |
mgottscho | 0:8d34cc2ff388 | 11 | #include "TSISensor.h" |
mgottscho | 0:8d34cc2ff388 | 12 | #include "PeriodicSensor.h" |
mgottscho | 0:8d34cc2ff388 | 13 | |
mgottscho | 0:8d34cc2ff388 | 14 | class TouchSensor : public PeriodicSensor { |
mgottscho | 0:8d34cc2ff388 | 15 | public: |
mgottscho | 0:8d34cc2ff388 | 16 | /** |
mgottscho | 0:8d34cc2ff388 | 17 | * Initialize the touch sensor |
mgottscho | 0:8d34cc2ff388 | 18 | */ |
mgottscho | 0:8d34cc2ff388 | 19 | TouchSensor(); |
mgottscho | 0:8d34cc2ff388 | 20 | |
mgottscho | 0:8d34cc2ff388 | 21 | /** |
mgottscho | 0:8d34cc2ff388 | 22 | * Destroy the touch sensor |
mgottscho | 0:8d34cc2ff388 | 23 | */ |
mgottscho | 0:8d34cc2ff388 | 24 | ~TouchSensor(); |
mgottscho | 0:8d34cc2ff388 | 25 | |
mgottscho | 0:8d34cc2ff388 | 26 | /** |
mgottscho | 0:8d34cc2ff388 | 27 | * Read Touch Sensor percentage value. |
mgottscho | 0:8d34cc2ff388 | 28 | * @param sampleNow if true, queries the device for the sample and returns it. if false, gets the last queried value. |
mgottscho | 0:8d34cc2ff388 | 29 | * @returns percentage value between [0 ... 1] |
mgottscho | 0:8d34cc2ff388 | 30 | */ |
mgottscho | 0:8d34cc2ff388 | 31 | float getPercentage(bool sampleNow); |
mgottscho | 0:8d34cc2ff388 | 32 | |
mgottscho | 0:8d34cc2ff388 | 33 | /** |
mgottscho | 0:8d34cc2ff388 | 34 | * Read Touch Sensor distance |
mgottscho | 0:8d34cc2ff388 | 35 | * @param sampleNow if true, queries the device for the sample and returns it. if false, gets the last queried value. |
mgottscho | 0:8d34cc2ff388 | 36 | * @returns distance in mm. The value is between [0 ... 40] |
mgottscho | 0:8d34cc2ff388 | 37 | */ |
mgottscho | 0:8d34cc2ff388 | 38 | uint8_t getDistance(bool sampleNow); |
mgottscho | 0:8d34cc2ff388 | 39 | |
mgottscho | 0:8d34cc2ff388 | 40 | private: |
mgottscho | 0:8d34cc2ff388 | 41 | /** |
mgottscho | 0:8d34cc2ff388 | 42 | * Interrupt service routine for sampling the touch sensor. |
mgottscho | 0:8d34cc2ff388 | 43 | */ |
mgottscho | 0:8d34cc2ff388 | 44 | virtual void __sample_data_ISR(); |
mgottscho | 0:8d34cc2ff388 | 45 | |
mgottscho | 0:8d34cc2ff388 | 46 | TSISensor __sensor; |
mgottscho | 0:8d34cc2ff388 | 47 | |
mgottscho | 0:8d34cc2ff388 | 48 | volatile uint8_t __distance; |
mgottscho | 0:8d34cc2ff388 | 49 | volatile float __percentage; |
mgottscho | 0:8d34cc2ff388 | 50 | }; |
mgottscho | 0:8d34cc2ff388 | 51 | |
mgottscho | 0:8d34cc2ff388 | 52 | #endif |