File content as of revision 21:dc161a192ba7:

**Supported boards (confirmed):**\\
Nucleo-F030R8\\
Nucleo-L152RE\\
Nucleo-F401RE\\
Nucleo-F411RE\\
\\
**Only compilation is OK (unchecked, but may work):**\\
Nucleo-L073RZ\\
Nucleo-F334R8\\
Nucleo-F303RE\\
Nucleo-F429ZI\\
Nucleo-F446RE\\
Nucleo-F446ZE\\
Nucleo-L476RG\\
\\
**Supported SD card:**\\
SDSC/SDHC card,\\
FAT16 and FAT32.\\
(1) At first, format SD card using SD Card Formatter\\
    [[https://www.sdcard.org/downloads/formatter_4/index.html]]\\
(2) Copy PCM wav files to the SD card.
\\
**Supported file:**\\
PCM wave file that have file extension ".wav" on root directory.\\
16bit/8bit, fs(sampling rate)=32kHz,44.1kHz,48kHz.\\
Stereo/Mono.\\
\\
**Hardware setting:**\\
Refer to the file **port_setting.txt** \\
PWM output port:\\
Left upper(Hi)    PWM 8bit out: PB_5 (TM3_CH2)\\
Right upper(Hi)   PWM 8bit out: PB4 (TM3_CH1)\\
Left lower(Low)    PWM 8bit out: PC_9 (TM3_CH4)\\
Right lower(Low)   PWM 8bit out: PC_8 (TM3_CH3)\\
{{http://mpu.up.seesaa.net/image/16bit-wave-player-output-schema.png}}
\\
**USER_BUTTON: PC_13(default button) **\\
Next song: One click in Play mode.\\
Pause    : Push long time . \\
Play     : One click from Pause.\\