Lab 1 Program C
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Diff: Timer.h
- Revision:
- 11:1c1ebd0324fa
- Parent:
- 5:62573be585e9
- Child:
- 27:7110ebee3484
--- a/Timer.h Thu May 14 14:44:00 2009 +0000 +++ b/Timer.h Fri Aug 28 12:10:11 2009 +0000 @@ -1,71 +1,95 @@ -/* mbed Microcontroller Library - Timer - * Copyright (c) 2007-2008, sford - */ - -#ifndef MBED_TIMER_H -#define MBED_TIMER_H - -#include "Base.h" - -namespace mbed { - -/* Class: Timer - * A general purpose timer - */ -class Timer : public Base { - -public: - - Timer(const char *name = NULL); - - /* Group: Access Methods */ - - /* Function: start - * Start the timer - */ - void start(); - - /* Function: stop - * Stop the timer - */ - void stop(); - - /* Function: reset - * Reset the timer to 0. - * - * If it was already counting, it will continue - */ - void reset(); - - /* Function: read - * Get the time passed in seconds - */ - float read(); - - /* Function: read_ms - * Get the time passed in mili-seconds - */ - int read_ms(); - - /* Function: read_us - * Get the time passed in micro-seconds - */ - int read_us(); - - operator float(); - - int slicetime(); - - int _running; // whether the timer is running - unsigned int _start; // the start time of the latest slice - int _time; // any accumulated time from previous slices - - virtual const struct rpc_method *get_rpc_methods(); - static struct rpc_class *get_rpc_class(); - -}; - -} - -#endif - +/* mbed Microcontroller Library - Timer + * Copyright (c) 2007-2009 ARM Limited. All rights reserved. + * sford + */ + +#ifndef MBED_TIMER_H +#define MBED_TIMER_H + +#include "platform.h" +#include "PinNames.h" +#include "PeripheralNames.h" +#include "Base.h" + +namespace mbed { + +/* Class: Timer + * A general purpose timer + * + * Example: + * > // Count the time to toggle a LED + * > + * > #include "mbed.h" + * > + * > Timer timer; + * > DigitalOut led(LED1); + * > int begin, end; + * > + * > int main() { + * > timer.start(); + * > begin = timer.read_us(); + * > led = !led; + * > end = timer.read_us(); + * > printf("Toggle the led takes %d us", end - begin); + * > } + */ +class Timer : public Base { + +public: + + Timer(const char *name = NULL); + + /* Function: start + * Start the timer + */ + void start(); + + /* Function: stop + * Stop the timer + */ + void stop(); + + /* Function: reset + * Reset the timer to 0. + * + * If it was already counting, it will continue + */ + void reset(); + + /* Function: read + * Get the time passed in seconds + */ + float read(); + + /* Function: read_ms + * Get the time passed in mili-seconds + */ + int read_ms(); + + /* Function: read_us + * Get the time passed in micro-seconds + */ + int read_us(); + +#ifdef MBED_OPERATORS + operator float(); +#endif + +#ifdef MBED_RPC + virtual const struct rpc_method *get_rpc_methods(); + static struct rpc_class *get_rpc_class(); +#endif + +protected: + + int slicetime(); + int _running; // whether the timer is running + unsigned int _start; // the start time of the latest slice + int _time; // any accumulated time from previous slices + +}; + +} // namespace mbed + +#endif +