A S / Mbed 2 deprecated aos_mbed

Advanced Operating Systems - Final Project A @ Tokyo Tech ////////////// Author: Chu Van Thiem and Sidik Soleman ////////////// A WAVE file player on the MBED Application Board with an interface to a software on PC via a TCP connection. ////////////// Main functions: 1. Browse files of an attached USB flash 2. The list of the files of the attached USB are displayed on the LCD 3. Use an joystick to select a WAVE file and give an instruction to play that file 4. Adjust the volume using a potentiometer 5. Output audio to the analog audio out jack ////////////// Software (https://github.com/thiemcv/VS/tree/master/Terminal): 1. Connect with the MBED application board via Ethernet connection 2. Read the list of files stored on the USB flash 3. Write files to the USB flash

Dependencies:   C12832_lcd EthernetInterface USBHost mbed-rtos mbed wave_player

src/player.cpp@5:12a48b7c41bf, 2014-02-13 (annotated)

Committer:
aos
Date:
Thu Feb 13 17:58:20 2014 +0000
Revision:
5:12a48b7c41bf
Parent:
2:5bc47e544b8d 
Update

Who changed what in which revision?

UserRevisionLine numberNew contents of line
aos 2:5bc47e544b8d 1 /* FILE: player.cpp by Sidik Soleman
aos 2:5bc47e544b8d 2 */
aos 1:3b567aa3b09e 3 #include "player.h"
aos 1:3b567aa3b09e 4
aos 1:3b567aa3b09e 5 C12832_LCD lcd;
aos 1:3b567aa3b09e 6 AnalogOut DACout(p18);
aos 1:3b567aa3b09e 7 /* joystick location */
aos 1:3b567aa3b09e 8 DigitalIn Up(p15);
aos 1:3b567aa3b09e 9 DigitalIn Down(p12);
aos 1:3b567aa3b09e 10 DigitalIn Left(p13);
aos 1:3b567aa3b09e 11 DigitalIn Right(p16);
aos 1:3b567aa3b09e 12 DigitalIn Play(p14);
aos 1:3b567aa3b09e 13 AnalogIn ain(p19);
aos 1:3b567aa3b09e 14
aos 1:3b567aa3b09e 15 Ticker ticker;
aos 1:3b567aa3b09e 16 Ticker tickervolume;
aos 1:3b567aa3b09e 17 int joyup=0,joydown=0,joyplay=0;
aos 1:3b567aa3b09e 18 wave_player waver(&DACout);
aos 1:3b567aa3b09e 19 volatile int joyvalue=0;
aos 1:3b567aa3b09e 20 float aout = 0;
aos 1:3b567aa3b09e 21 FILE *wave_file;
aos 1:3b567aa3b09e 22
aos 1:3b567aa3b09e 23 // Custom Function
aos 1:3b567aa3b09e 24 void play(char* song){
aos 1:3b567aa3b09e 25 wave_file=fopen(song,"r");
aos 1:3b567aa3b09e 26 waver.play(wave_file);
aos 1:3b567aa3b09e 27 fclose(wave_file);
aos 1:3b567aa3b09e 28 }
aos 1:3b567aa3b09e 29
aos 1:3b567aa3b09e 30 void welcome(){
aos 1:3b567aa3b09e 31 lcd.cls();
aos 1:3b567aa3b09e 32 lcd.locate(15,0);
aos 1:3b567aa3b09e 33 lcd.printf("MBED Player");
aos 1:3b567aa3b09e 34 Thread::wait(1);
aos 1:3b567aa3b09e 35 lcd.cls();
aos 1:3b567aa3b09e 36 }
aos 1:3b567aa3b09e 37
aos 1:3b567aa3b09e 38 void print(vector<string> *listoffile, int current){
aos 1:3b567aa3b09e 39 lcd.cls();
aos 1:3b567aa3b09e 40 int nsong = listoffile->size();
aos 1:3b567aa3b09e 41 lcd.locate(0,0);
aos 1:3b567aa3b09e 42 lcd.printf("Song Title (%d/%d)",(current+1),nsong);
aos 1:3b567aa3b09e 43 lcd.locate(0,9);
aos 1:3b567aa3b09e 44 lcd.printf("-------------------------------");
aos 1:3b567aa3b09e 45 if (nsong == 0){
aos 1:3b567aa3b09e 46 lcd.locate(0,15);
aos 1:3b567aa3b09e 47 lcd.printf("No File Song");
aos 1:3b567aa3b09e 48 } else {
aos 1:3b567aa3b09e 49 lcd.printf("> %s",(listoffile->at(current)).c_str());
aos 1:3b567aa3b09e 50 }
aos 1:3b567aa3b09e 51 }
aos 1:3b567aa3b09e 52
aos 1:3b567aa3b09e 53 /* JoyValue = 1: up, 2: down, 3: play */
aos 1:3b567aa3b09e 54 void joystickcontrol(){
aos 1:3b567aa3b09e 55 if (Up){
aos 1:3b567aa3b09e 56 if (joyup<NSAMPLE) joyup++;
aos 1:3b567aa3b09e 57 if (joyup==NSAMPLE){ joyvalue=1; joyup=0;}
aos 1:3b567aa3b09e 58 }
aos 1:3b567aa3b09e 59 if (Down){
aos 1:3b567aa3b09e 60 if (joydown<NSAMPLE) joydown++;
aos 1:3b567aa3b09e 61 if (joydown==NSAMPLE) { joyvalue=2; joydown = 0;}
aos 1:3b567aa3b09e 62 }
aos 1:3b567aa3b09e 63 if (Play){
aos 1:3b567aa3b09e 64 if (joyplay<NSAMPLE) joyplay++;
aos 1:3b567aa3b09e 65 if (joyplay==NSAMPLE) { joyvalue=3; joyplay=0;}
aos 1:3b567aa3b09e 66 }
aos 1:3b567aa3b09e 67 }
aos 1:3b567aa3b09e 68
aos 1:3b567aa3b09e 69 void controlvolume(){
aos 1:3b567aa3b09e 70 waver.volume = (float)ain;
aos 1:3b567aa3b09e 71 }