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Dependents: RSALB_hbridge_helloworld RSALB_lobster WavPlayer_test AudioCODEC_HelloWorld
WavPlayer Class Reference
A class to play WAV files from a file system, tested with USB. More...
#include <WavPlayer.h>
Public Member Functions | |
| WavPlayer () | |
| Create a WavPlayer instance. | |
| WavPlayer (FILE **fpp) | |
| Create a WavPlayer instance. | |
| void | open (FILE **fpp) |
| Set the file to read out of. | |
| int | getConfig () |
| Extract the header infomation, automatically called by open. | |
| float | play () |
| Play the entire file. | |
| float | play (float time) |
| Play the file for a certain number of seconds. | |
| float | play (float start, float timefor) |
| Play the file for a certain number of seconds, from a certain start point. | |
Detailed Description
A class to play WAV files from a file system, tested with USB.
Example (note, this has requires the USB MSC library to be imported):
#include "mbed.h" #include "WavPlayer.h" #include "MSCFileSystem.h" MSCFileSystem msc("msc"); // Mount flash drive under the name "msc" WavPlayer player; int main() { FILE *fp = fopen("/msc/test.wav", "r"); // Open "out.txt" on the local file system for writing player.open(&fp); player.play(); fclose(fp); }
Definition at line 62 of file WavPlayer.h.
Constructor & Destructor Documentation
| WavPlayer | ( | ) |
Create a WavPlayer instance.
Definition at line 33 of file WavPlayer.cpp.
| WavPlayer | ( | FILE ** | fpp ) |
Create a WavPlayer instance.
- Parameters:
-
fpp A pointer to a file pointer to read out of
Definition at line 59 of file WavPlayer.cpp.
Member Function Documentation
| int getConfig | ( | ) |
Extract the header infomation, automatically called by open.
Definition at line 144 of file WavPlayer.cpp.
| void open | ( | FILE ** | fpp ) |
Set the file to read out of.
- Parameters:
-
fpp A pointer to a file pointer to read out of
Definition at line 124 of file WavPlayer.cpp.
| float play | ( | float | time ) |
Play the file for a certain number of seconds.
Blocking
- Parameters:
-
time The number of seconds to play the file for.
Definition at line 195 of file WavPlayer.cpp.
| float play | ( | ) |
| float play | ( | float | start, |
| float | timefor | ||
| ) |
Play the file for a certain number of seconds, from a certain start point.
Blocking
- Parameters:
-
start The start time timefor The number of seconds to play the file for.
Definition at line 200 of file WavPlayer.cpp.
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