streo mp3 player see: http://mbed.org/users/okini3939/notebook/I2S_AUDIO
Dependencies: FatFileSystemCpp I2SSlave TLV320 mbed
Fork of madplayer by
Timer.h
00001 /* mbed Microcontroller Library - Timer 00002 * Copyright (c) 2007-2009 ARM Limited. All rights reserved. 00003 * sford 00004 */ 00005 00006 #ifndef MBED_TIMER_H 00007 #define MBED_TIMER_H 00008 00009 #include "platform.h" 00010 #include "PinNames.h" 00011 #include "PeripheralNames.h" 00012 #include "Base.h" 00013 00014 namespace mbed { 00015 00016 /* Class: Timer 00017 * A general purpose timer 00018 * 00019 * Example: 00020 * > // Count the time to toggle a LED 00021 * > 00022 * > #include "mbed.h" 00023 * > 00024 * > Timer timer; 00025 * > DigitalOut led(LED1); 00026 * > int begin, end; 00027 * > 00028 * > int main() { 00029 * > timer.start(); 00030 * > begin = timer.read_us(); 00031 * > led = !led; 00032 * > end = timer.read_us(); 00033 * > printf("Toggle the led takes %d us", end - begin); 00034 * > } 00035 */ 00036 class Timer : public Base { 00037 00038 public: 00039 00040 Timer(const char *name = NULL); 00041 00042 /* Function: start 00043 * Start the timer 00044 */ 00045 void start(); 00046 00047 /* Function: stop 00048 * Stop the timer 00049 */ 00050 void stop(); 00051 00052 /* Function: reset 00053 * Reset the timer to 0. 00054 * 00055 * If it was already counting, it will continue 00056 */ 00057 void reset(); 00058 00059 /* Function: read 00060 * Get the time passed in seconds 00061 */ 00062 float read(); 00063 00064 /* Function: read_ms 00065 * Get the time passed in mili-seconds 00066 */ 00067 int read_ms(); 00068 00069 /* Function: read_us 00070 * Get the time passed in micro-seconds 00071 */ 00072 int read_us(); 00073 00074 #ifdef MBED_OPERATORS 00075 operator float(); 00076 #endif 00077 00078 #ifdef MBED_RPC 00079 virtual const struct rpc_method *get_rpc_methods(); 00080 static struct rpc_class *get_rpc_class(); 00081 #endif 00082 00083 protected: 00084 00085 int slicetime(); 00086 int _running; // whether the timer is running 00087 unsigned int _start; // the start time of the latest slice 00088 int _time; // any accumulated time from previous slices 00089 00090 }; 00091 00092 } // namespace mbed 00093 00094 #endif 00095
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