main.cpp

00001 #include "mbed.h"
00002 #include "SdUsbConnect.h"
00003 #include "EasyPlayback.h"
00004 #include "EasyDec_WavCnv2ch.h"
00005 
00006 #define FNAME_LEN              (64)
00007 #define MOUNT_NAME             "storage"
00008 
00009 static InterruptIn skip_btn(USER_BUTTON0);
00010 static EasyPlayback AudioPlayer(EasyPlayback::AUDIO_TPYE_PWM, P4_5, P4_7);
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"/") + FNAME_LEN];
00020     SdUsbConnect storage(MOUNT_NAME);
00021 
00022     AudioPlayer.add_decoder<EasyDec_WavCnv2ch>(".wav");  // decoder setting
00023     AudioPlayer.add_decoder<EasyDec_WavCnv2ch>(".WAV");  // decoder setting
00024     AudioPlayer.outputVolume(0.5);  // Volume control (min:0.0 max:1.0)
00025     skip_btn.fall(&skip_btn_fall);  // button setting
00026 
00027     while (1) {
00028         storage.wait_connect();
00029         d = opendir("/"MOUNT_NAME"/");  // file search
00030         while ((p = readdir(d)) != NULL) {
00031             size_t len = strlen(p->d_name);
00032             if (len < FNAME_LEN) {
00033                 sprintf(file_path, "/%s/%s", MOUNT_NAME, p->d_name); // make file path
00034                 printf("%s\r\n", file_path);
00035                 AudioPlayer.play(file_path); // playback
00036             }
00037         }
00038         closedir(d);
00039     }
00040 }