Mbed Clock application using an NTP connection to get internet time and a terminal interface to send commands
Dependencies: 4DGL-uLCD-SE EthernetInterface NTPClient mbed-rtos mbed SDFileSystem wavfile
Speaker.h
00001 #include "mbed.h" 00002 // new class to play a note on Speaker based on PwmOut class 00003 class Speaker 00004 { 00005 private: 00006 // sets up specified pin for PWM using PwmOut class 00007 PwmOut pin; 00008 Ticker ticker; 00009 void flipPin() { 00010 pin = 0.0; 00011 } 00012 public: 00013 Speaker(PinName pin) : pin(pin) { 00014 // _pin(pin) means pass pin to the Speaker Constructor 00015 } 00016 // class method to play a note based on PwmOut class 00017 void playNote(float frequency, float duration, float volume) { 00018 pin.period(1.0/frequency); 00019 pin = volume/2.0; 00020 ticker.attach(this, &Speaker::flipPin, duration); 00021 //wait(duration); 00022 //pin = 0.0; 00023 } 00024 00025 }; 00026
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