diff options
Diffstat (limited to 'drivers/gaudio/vs1053/readme.txt')
| -rw-r--r-- | drivers/gaudio/vs1053/readme.txt | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/gaudio/vs1053/readme.txt b/drivers/gaudio/vs1053/readme.txt index 6e99e56f..d5d10145 100644 --- a/drivers/gaudio/vs1053/readme.txt +++ b/drivers/gaudio/vs1053/readme.txt @@ -1,4 +1,14 @@ This chip supports playing in many formats including MP3 etc. -For this driver however we only support PCM in 8 bit unisgned and 16 bit signed formats. +For this driver we support the standard PCM in 8 bit unsigned and 16 bit signed formats. -Requires GFX_USE_GTIMER
\ No newline at end of file +Requires GFX_USE_GTIMER + + * The VS1053 has an internal processor which can decode many file formats directly. + * If you want to use anything other than raw PCM then you should use GAUDIO_PLAY_FORMAT_FILE and pipe + * the entire file as if it was sound data. It doesn't matter if you choose the mono or stereo channel + * as the codec chip automatically detects the real format itself. + * No testing is made of the file format - if there is an error it can only be detected by the codec chip + * and its behaviour is undefined (we haven't tested). + * Note that some formats require a firmware patch to be installed to play correctly. + * In this case define VS1053_FIRMWARE_PATCH as TRUE in your gfxconf.h file and include the patch file + * in your project directory. The patch file MUST be called "vs1053_patch.plg". |