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/main.cpp@2:5bc47e544b8d, 2014-02-13 (annotated)

Committer:
aos
Date:
Thu Feb 13 06:51:20 2014 +0000
Revision:
2:5bc47e544b8d
Parent:
1:3b567aa3b09e 
Update some comments

Who changed what in which revision?

UserRevisionLine numberNew contents of line
aos 2:5bc47e544b8d 1 /* FILE: main.cpp by Chu Van Thiem + Sidik Soleman
aos 2:5bc47e544b8d 2 */
aos 0:6a2537e4188b 3 #include "mbed.h"
aos 1:3b567aa3b09e 4 #include "rtos.h"
aos 0:6a2537e4188b 5 #include "EthernetInterface.h"
aos 1:3b567aa3b09e 6 #include "USBHostMSD.h"
aos 1:3b567aa3b09e 7 #include "usb.h"
aos 1:3b567aa3b09e 8 #include "tcp_task.h"
aos 1:3b567aa3b09e 9 #include "player.h"
aos 1:3b567aa3b09e 10
aos 1:3b567aa3b09e 11 extern Ticker ticker;
aos 1:3b567aa3b09e 12 extern Ticker tickervolume;
aos 1:3b567aa3b09e 13 extern volatile int joyvalue;
aos 1:3b567aa3b09e 14
aos 1:3b567aa3b09e 15 // Ethernet
aos 1:3b567aa3b09e 16 EthernetInterface eth;
aos 1:3b567aa3b09e 17
aos 1:3b567aa3b09e 18 string songfile;
aos 1:3b567aa3b09e 19 char* song;
aos 1:3b567aa3b09e 20
aos 1:3b567aa3b09e 21 volatile int cmd_en = 1;
aos 1:3b567aa3b09e 22 volatile int play_en = 1;
aos 0:6a2537e4188b 23
aos 0:6a2537e4188b 24 int main() {
aos 1:3b567aa3b09e 25 int current = 0;
aos 1:3b567aa3b09e 26 // USB
aos 1:3b567aa3b09e 27 usb u("usb");
aos 1:3b567aa3b09e 28 while(!u.connect())
aos 1:3b567aa3b09e 29 {
aos 1:3b567aa3b09e 30 Thread::wait(5);
aos 1:3b567aa3b09e 31 }
aos 1:3b567aa3b09e 32 u.listdir("/");
aos 0:6a2537e4188b 33
aos 1:3b567aa3b09e 34 // Initialize ethernet interface
aos 1:3b567aa3b09e 35 eth.init(IP_ADDR, IP_MASK, GW_ADDR);
aos 1:3b567aa3b09e 36 eth.connect();
aos 1:3b567aa3b09e 37 //printf("Network setup completed!\n");
aos 0:6a2537e4188b 38
aos 1:3b567aa3b09e 39 // LCD
aos 1:3b567aa3b09e 40 welcome();
aos 1:3b567aa3b09e 41 /* print initiate */
aos 1:3b567aa3b09e 42 print(&(u.filenames), 0);
aos 1:3b567aa3b09e 43 /* reading the joystick value */
aos 1:3b567aa3b09e 44 ticker.attach(joystickcontrol, 0.004);
aos 1:3b567aa3b09e 45 /* reading the volume */
aos 1:3b567aa3b09e 46 tickervolume.attach(controlvolume, 0.004);
aos 1:3b567aa3b09e 47
aos 1:3b567aa3b09e 48 // TCPIP thread
aos 1:3b567aa3b09e 49 Thread thread_tcp(tcp_thread, NULL, osPriorityBelowNormal, 512, NULL);
aos 1:3b567aa3b09e 50 Thread thread_cmd(cmd_thread, &u, osPriorityBelowNormal, 2048, NULL);
aos 1:3b567aa3b09e 51
aos 1:3b567aa3b09e 52 while(1)
aos 1:3b567aa3b09e 53 {
aos 1:3b567aa3b09e 54 if (joyvalue == 1){
aos 1:3b567aa3b09e 55 if(u.filenames.size()>0){
aos 1:3b567aa3b09e 56 current = (current-1)%u.filenames.size();
aos 1:3b567aa3b09e 57 print(&(u.filenames),current);
aos 1:3b567aa3b09e 58 }
aos 1:3b567aa3b09e 59 }
aos 1:3b567aa3b09e 60 else if (joyvalue == 2){
aos 1:3b567aa3b09e 61 if(u.filenames.size()>0){
aos 1:3b567aa3b09e 62 current = (current+1)%u.filenames.size();
aos 1:3b567aa3b09e 63 print(&(u.filenames),current);
aos 1:3b567aa3b09e 64 }
aos 1:3b567aa3b09e 65 }
aos 1:3b567aa3b09e 66 else if (joyvalue == 3){
aos 1:3b567aa3b09e 67 if(u.filenames.size()>0){
aos 1:3b567aa3b09e 68 if (play_en)
aos 1:3b567aa3b09e 69 {
aos 1:3b567aa3b09e 70 cmd_en = 0;
aos 1:3b567aa3b09e 71 songfile = "/usb/";
aos 1:3b567aa3b09e 72 songfile = songfile + u.filenames.at(current);
aos 1:3b567aa3b09e 73 song = (char*)songfile.c_str();
aos 1:3b567aa3b09e 74 play(song);
aos 1:3b567aa3b09e 75 cmd_en = 1;
aos 1:3b567aa3b09e 76 }
aos 1:3b567aa3b09e 77 }
aos 1:3b567aa3b09e 78 }
aos 1:3b567aa3b09e 79 joyvalue = 0;
aos 1:3b567aa3b09e 80 Thread::wait(5);
aos 0:6a2537e4188b 81 }
aos 0:6a2537e4188b 82 }