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streo mp3 player see: http://mbed.org/users/okini3939/notebook/I2S_AUDIO
Dependencies: FatFileSystemCpp I2SSlave TLV320 mbed
Fork of madplayer by
Diff: mbed/Timer.h
- Revision:
- 0:7627c79db971
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed/Timer.h Fri Nov 26 12:18:30 2010 +0000 @@ -0,0 +1,95 @@ +/* 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 +