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mbed/Timer.h@0:ad97421fb1fb, 2016-04-13 (annotated)
- Committer:
- antbig
- Date:
- Wed Apr 13 22:04:54 2016 +0000
- Revision:
- 0:ad97421fb1fb
Ajout interruption fin de match
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
antbig | 0:ad97421fb1fb | 1 | /* mbed Microcontroller Library - Timer |
antbig | 0:ad97421fb1fb | 2 | * Copyright (c) 2007-2009 ARM Limited. All rights reserved. |
antbig | 0:ad97421fb1fb | 3 | */ |
antbig | 0:ad97421fb1fb | 4 | |
antbig | 0:ad97421fb1fb | 5 | #ifndef MBED_TIMER_H |
antbig | 0:ad97421fb1fb | 6 | #define MBED_TIMER_H |
antbig | 0:ad97421fb1fb | 7 | |
antbig | 0:ad97421fb1fb | 8 | #include "platform.h" |
antbig | 0:ad97421fb1fb | 9 | #include "PinNames.h" |
antbig | 0:ad97421fb1fb | 10 | #include "PeripheralNames.h" |
antbig | 0:ad97421fb1fb | 11 | #include "Base.h" |
antbig | 0:ad97421fb1fb | 12 | |
antbig | 0:ad97421fb1fb | 13 | namespace mbed { |
antbig | 0:ad97421fb1fb | 14 | |
antbig | 0:ad97421fb1fb | 15 | /* Class: Timer |
antbig | 0:ad97421fb1fb | 16 | * A general purpose timer |
antbig | 0:ad97421fb1fb | 17 | * |
antbig | 0:ad97421fb1fb | 18 | * Example: |
antbig | 0:ad97421fb1fb | 19 | * > // Count the time to toggle a LED |
antbig | 0:ad97421fb1fb | 20 | * > |
antbig | 0:ad97421fb1fb | 21 | * > #include "mbed.h" |
antbig | 0:ad97421fb1fb | 22 | * > |
antbig | 0:ad97421fb1fb | 23 | * > Timer timer; |
antbig | 0:ad97421fb1fb | 24 | * > DigitalOut led(LED1); |
antbig | 0:ad97421fb1fb | 25 | * > int begin, end; |
antbig | 0:ad97421fb1fb | 26 | * > |
antbig | 0:ad97421fb1fb | 27 | * > int main() { |
antbig | 0:ad97421fb1fb | 28 | * > timer.start(); |
antbig | 0:ad97421fb1fb | 29 | * > begin = timer.read_us(); |
antbig | 0:ad97421fb1fb | 30 | * > led = !led; |
antbig | 0:ad97421fb1fb | 31 | * > end = timer.read_us(); |
antbig | 0:ad97421fb1fb | 32 | * > printf("Toggle the led takes %d us", end - begin); |
antbig | 0:ad97421fb1fb | 33 | * > } |
antbig | 0:ad97421fb1fb | 34 | */ |
antbig | 0:ad97421fb1fb | 35 | class Timer : public Base { |
antbig | 0:ad97421fb1fb | 36 | |
antbig | 0:ad97421fb1fb | 37 | public: |
antbig | 0:ad97421fb1fb | 38 | |
antbig | 0:ad97421fb1fb | 39 | Timer(const char *name = NULL); |
antbig | 0:ad97421fb1fb | 40 | |
antbig | 0:ad97421fb1fb | 41 | /* Function: start |
antbig | 0:ad97421fb1fb | 42 | * Start the timer |
antbig | 0:ad97421fb1fb | 43 | */ |
antbig | 0:ad97421fb1fb | 44 | void start(); |
antbig | 0:ad97421fb1fb | 45 | |
antbig | 0:ad97421fb1fb | 46 | /* Function: stop |
antbig | 0:ad97421fb1fb | 47 | * Stop the timer |
antbig | 0:ad97421fb1fb | 48 | */ |
antbig | 0:ad97421fb1fb | 49 | void stop(); |
antbig | 0:ad97421fb1fb | 50 | |
antbig | 0:ad97421fb1fb | 51 | /* Function: reset |
antbig | 0:ad97421fb1fb | 52 | * Reset the timer to 0. |
antbig | 0:ad97421fb1fb | 53 | * |
antbig | 0:ad97421fb1fb | 54 | * If it was already counting, it will continue |
antbig | 0:ad97421fb1fb | 55 | */ |
antbig | 0:ad97421fb1fb | 56 | void reset(); |
antbig | 0:ad97421fb1fb | 57 | |
antbig | 0:ad97421fb1fb | 58 | /* Function: read |
antbig | 0:ad97421fb1fb | 59 | * Get the time passed in seconds |
antbig | 0:ad97421fb1fb | 60 | */ |
antbig | 0:ad97421fb1fb | 61 | float read(); |
antbig | 0:ad97421fb1fb | 62 | |
antbig | 0:ad97421fb1fb | 63 | /* Function: read_ms |
antbig | 0:ad97421fb1fb | 64 | * Get the time passed in mili-seconds |
antbig | 0:ad97421fb1fb | 65 | */ |
antbig | 0:ad97421fb1fb | 66 | int read_ms(); |
antbig | 0:ad97421fb1fb | 67 | |
antbig | 0:ad97421fb1fb | 68 | /* Function: read_us |
antbig | 0:ad97421fb1fb | 69 | * Get the time passed in micro-seconds |
antbig | 0:ad97421fb1fb | 70 | */ |
antbig | 0:ad97421fb1fb | 71 | int read_us(); |
antbig | 0:ad97421fb1fb | 72 | |
antbig | 0:ad97421fb1fb | 73 | #ifdef MBED_OPERATORS |
antbig | 0:ad97421fb1fb | 74 | operator float(); |
antbig | 0:ad97421fb1fb | 75 | #endif |
antbig | 0:ad97421fb1fb | 76 | |
antbig | 0:ad97421fb1fb | 77 | #ifdef MBED_RPC |
antbig | 0:ad97421fb1fb | 78 | virtual const struct rpc_method *get_rpc_methods(); |
antbig | 0:ad97421fb1fb | 79 | static struct rpc_class *get_rpc_class(); |
antbig | 0:ad97421fb1fb | 80 | #endif |
antbig | 0:ad97421fb1fb | 81 | |
antbig | 0:ad97421fb1fb | 82 | protected: |
antbig | 0:ad97421fb1fb | 83 | |
antbig | 0:ad97421fb1fb | 84 | int slicetime(); |
antbig | 0:ad97421fb1fb | 85 | int _running; // whether the timer is running |
antbig | 0:ad97421fb1fb | 86 | unsigned int _start; // the start time of the latest slice |
antbig | 0:ad97421fb1fb | 87 | int _time; // any accumulated time from previous slices |
antbig | 0:ad97421fb1fb | 88 | |
antbig | 0:ad97421fb1fb | 89 | }; |
antbig | 0:ad97421fb1fb | 90 | |
antbig | 0:ad97421fb1fb | 91 | } // namespace mbed |
antbig | 0:ad97421fb1fb | 92 | |
antbig | 0:ad97421fb1fb | 93 | #endif |