Gurvan PRIEM
/
RaptorControl
An incomplete quadcopter control programme.
PwmIn/PwmIn.h@0:9cb9445a11f0, 2013-07-17 (annotated)
- Committer:
- Gurvan
- Date:
- Wed Jul 17 15:58:25 2013 +0000
- Revision:
- 0:9cb9445a11f0
Pour Zobson, fi(r)st commit.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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Gurvan | 0:9cb9445a11f0 | 1 | /* mbed PwmIn Library |
Gurvan | 0:9cb9445a11f0 | 2 | * Copyright (c) 2008-2010, sford |
Gurvan | 0:9cb9445a11f0 | 3 | * |
Gurvan | 0:9cb9445a11f0 | 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
Gurvan | 0:9cb9445a11f0 | 5 | * of this software and associated documentation files (the "Software"), to deal |
Gurvan | 0:9cb9445a11f0 | 6 | * in the Software without restriction, including without limitation the rights |
Gurvan | 0:9cb9445a11f0 | 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
Gurvan | 0:9cb9445a11f0 | 8 | * copies of the Software, and to permit persons to whom the Software is |
Gurvan | 0:9cb9445a11f0 | 9 | * furnished to do so, subject to the following conditions: |
Gurvan | 0:9cb9445a11f0 | 10 | * |
Gurvan | 0:9cb9445a11f0 | 11 | * The above copyright notice and this permission notice shall be included in |
Gurvan | 0:9cb9445a11f0 | 12 | * all copies or substantial portions of the Software. |
Gurvan | 0:9cb9445a11f0 | 13 | * |
Gurvan | 0:9cb9445a11f0 | 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
Gurvan | 0:9cb9445a11f0 | 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
Gurvan | 0:9cb9445a11f0 | 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
Gurvan | 0:9cb9445a11f0 | 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
Gurvan | 0:9cb9445a11f0 | 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
Gurvan | 0:9cb9445a11f0 | 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
Gurvan | 0:9cb9445a11f0 | 20 | * THE SOFTWARE. |
Gurvan | 0:9cb9445a11f0 | 21 | */ |
Gurvan | 0:9cb9445a11f0 | 22 | |
Gurvan | 0:9cb9445a11f0 | 23 | #ifndef MBED_PWMIN_H |
Gurvan | 0:9cb9445a11f0 | 24 | #define MBED_PWMIN_H |
Gurvan | 0:9cb9445a11f0 | 25 | |
Gurvan | 0:9cb9445a11f0 | 26 | #include "mbed.h" |
Gurvan | 0:9cb9445a11f0 | 27 | |
Gurvan | 0:9cb9445a11f0 | 28 | /** PwmIn class to read PWM inputs |
Gurvan | 0:9cb9445a11f0 | 29 | * |
Gurvan | 0:9cb9445a11f0 | 30 | * Uses InterruptIn to measure the changes on the input |
Gurvan | 0:9cb9445a11f0 | 31 | * and record the time they occur |
Gurvan | 0:9cb9445a11f0 | 32 | * |
Gurvan | 0:9cb9445a11f0 | 33 | * @note uses InterruptIn, so not available on p19/p20 |
Gurvan | 0:9cb9445a11f0 | 34 | */ |
Gurvan | 0:9cb9445a11f0 | 35 | class PwmIn { |
Gurvan | 0:9cb9445a11f0 | 36 | public: |
Gurvan | 0:9cb9445a11f0 | 37 | /** Create a PwmIn |
Gurvan | 0:9cb9445a11f0 | 38 | * |
Gurvan | 0:9cb9445a11f0 | 39 | * @param p The pwm input pin (must support InterruptIn) |
Gurvan | 0:9cb9445a11f0 | 40 | */ |
Gurvan | 0:9cb9445a11f0 | 41 | PwmIn(PinName p); |
Gurvan | 0:9cb9445a11f0 | 42 | |
Gurvan | 0:9cb9445a11f0 | 43 | /** Read the current period |
Gurvan | 0:9cb9445a11f0 | 44 | * |
Gurvan | 0:9cb9445a11f0 | 45 | * @returns the period in seconds |
Gurvan | 0:9cb9445a11f0 | 46 | */ |
Gurvan | 0:9cb9445a11f0 | 47 | float period(); |
Gurvan | 0:9cb9445a11f0 | 48 | |
Gurvan | 0:9cb9445a11f0 | 49 | /** Read the current pulsewidth |
Gurvan | 0:9cb9445a11f0 | 50 | * |
Gurvan | 0:9cb9445a11f0 | 51 | * @returns the pulsewidth in seconds |
Gurvan | 0:9cb9445a11f0 | 52 | */ |
Gurvan | 0:9cb9445a11f0 | 53 | float pulsewidth(); |
Gurvan | 0:9cb9445a11f0 | 54 | |
Gurvan | 0:9cb9445a11f0 | 55 | /** Read the current dutycycle |
Gurvan | 0:9cb9445a11f0 | 56 | * |
Gurvan | 0:9cb9445a11f0 | 57 | * @returns the dutycycle as a percentage, represented between 0.0-1.0 |
Gurvan | 0:9cb9445a11f0 | 58 | */ |
Gurvan | 0:9cb9445a11f0 | 59 | float dutycycle(); |
Gurvan | 0:9cb9445a11f0 | 60 | |
Gurvan | 0:9cb9445a11f0 | 61 | protected: |
Gurvan | 0:9cb9445a11f0 | 62 | void rise(); |
Gurvan | 0:9cb9445a11f0 | 63 | void fall(); |
Gurvan | 0:9cb9445a11f0 | 64 | |
Gurvan | 0:9cb9445a11f0 | 65 | InterruptIn _p; |
Gurvan | 0:9cb9445a11f0 | 66 | Timer _t; |
Gurvan | 0:9cb9445a11f0 | 67 | int _pulsewidth, _period, _temp_pulsewidth; |
Gurvan | 0:9cb9445a11f0 | 68 | }; |
Gurvan | 0:9cb9445a11f0 | 69 | |
Gurvan | 0:9cb9445a11f0 | 70 | #endif |