![](/media/cache/profiles/6dcb66034aed7493a93ef9b231ecaf14.50x50_q85.png)
This program utilizes an LCD, RPG, 8 ohm speaker, and SD card to provide the basic functions of a music player. The project cycles through the SD card for .wav files and tracks elapsed time. See http://mbed.org/users/rsartin3/notebook/audio-player/ for more information.
Dependencies: DebounceIn RPG SDFileSystem TextLCD mbed wav_header wave_player
Revision 1:f31b40073d35, committed 2013-03-05
- Comitter:
- rsartin3
- Date:
- Tue Mar 05 06:34:43 2013 +0000
- Parent:
- 0:040129c3d961
- Commit message:
- ;
Changed in this revision
diff -r 040129c3d961 -r f31b40073d35 DebounceIn.lib --- a/DebounceIn.lib Mon Mar 04 22:37:29 2013 +0000 +++ b/DebounceIn.lib Tue Mar 05 06:34:43 2013 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/AjK/code/DebounceIn/#1f3e0982f89d +http://mbed.org/users/rsartin3/code/DebounceIn/#1f3e0982f89d
diff -r 040129c3d961 -r f31b40073d35 main.cpp --- a/main.cpp Mon Mar 04 22:37:29 2013 +0000 +++ b/main.cpp Tue Mar 05 06:34:43 2013 +0000 @@ -1,7 +1,6 @@ /* - MUSIC PLAYER HOORAY - wumbo -*/ + * Audio Player + */ #include "mbed.h" #include "DebounceIn.h" @@ -36,16 +35,16 @@ AnalogOut DACout(p18); wave_player waver(&DACout); -// Timer Junk +// Ticker for interrupting song Ticker songTick; time_t time_i; struct playlist { // Doubly-linked list to easily traverse between filenames - char s_name[30]; // File name without .wav extension - playlist *prev; // Pointer to next filename - playlist *next; // Pointer to previous filename -}; // Structure name courtesy of Layla Marshall + char s_name[30]; // File name without .wav extension + playlist *prev; // Pointer to next filename + playlist *next; // Pointer to previous filename +}; void insert( struct playlist *root, string songName) { @@ -77,11 +76,11 @@ */ DIR *d; // Directory pointer dirent *file; // dirent to get file name - // playlist *curr = root; // + // playlist *curr = root; int count = 0; // count of songs added to playlist if(DEBUG) pc.printf("\n\rWell... Let's get started!\r\n"); - if((d = opendir(location)) == NULL) { //Attempt to open directory at given location + if((d = opendir(location)) == NULL) { // Attempt to open directory at given location // If Error lcd.cls(); lcd.printf("Unable to open directory!"); @@ -103,17 +102,17 @@ if(count == 0){ // If still at root node count++; // Increment count - strcpy(root->s_name, (str.substr(0,exten)).c_str()); //Copy filename into root node - // curr = root; + strcpy(root->s_name, (str.substr(0,exten)).c_str()); // Copy filename into root node + // curr = root; }else{ - count++; // Increment count + count++; // Increment count insert(root,str.substr(0,exten)); // Add new song to playlist } } } closedir(d); // Close directory } - return count; //Return number of songnames added to playlist + return count; // Return number of songnames added to playlist } void printList(playlist *root) { @@ -177,7 +176,6 @@ // if(DEBUG) printf("Time Elapsed: %d. (Start: %d, Stop: %d)\n\r", time_f - time_i, time_i, time_f); lcd.locate(6,1); lcd.printf("%d", time_f - time_i + 1); - } int main() {
diff -r 040129c3d961 -r f31b40073d35 wav_header.lib --- a/wav_header.lib Mon Mar 04 22:37:29 2013 +0000 +++ b/wav_header.lib Tue Mar 05 06:34:43 2013 +0000 @@ -1,1 +1,1 @@ -wav_header#a50bba1964ec +http://mbed.org/users/rsartin3/code/wav_header/#a50bba1964ec