main.cpp

00001 #include "mbed.h"
00002 #include "SdUsbConnect.h"
00003 #include "EasyPlayback.h"
00004 #include "EasyDec_WavCnv2ch.h"
00005 
00006 #define FILE_NAME_LEN          (64)
00007 #define MOUNT_NAME             "storage"
00008 
00009 static InterruptIn skip_btn(USER_BUTTON0);
00010 static EasyPlayback AudioPlayer;
00011 
00012 static void skip_btn_fall(void) {
00013     AudioPlayer.skip();
00014 }
00015 
00016 int main() {
00017     DIR  * d;
00018     struct dirent * p;
00019     char file_path[sizeof("/"MOUNT_NAME"/") + FILE_NAME_LEN];
00020     SdUsbConnect storage(MOUNT_NAME);
00021 
00022     // decoder setting
00023     AudioPlayer.add_decoder<EasyDec_WavCnv2ch>(".wav");
00024     AudioPlayer.add_decoder<EasyDec_WavCnv2ch>(".WAV");
00025 
00026     // volume control
00027     AudioPlayer.outputVolume(0.5);  // Volume control (min:0.0 max:1.0)
00028 
00029     // button setting
00030     skip_btn.fall(&skip_btn_fall);
00031 
00032     while (1) {
00033         storage.wait_connect();
00034         // file search
00035         d = opendir("/"MOUNT_NAME"/");
00036         while ((p = readdir(d)) != NULL) {
00037             size_t len = strlen(p->d_name);
00038             if (len < FILE_NAME_LEN) {
00039                 // make file path
00040                 sprintf(file_path, "/%s/%s", MOUNT_NAME, p->d_name);
00041                 printf("%s\r\n", file_path);
00042 
00043                 // playback
00044                 AudioPlayer.play(file_path);
00045             }
00046         }
00047         closedir(d);
00048     }
00049 }