This sample will play a ".wav" file of the USB root folder. Only RIFF format.

Fork of GR-PEACH_Audio_WAV by Daiki Kato

Audio sample for GR-PEACH or GR-LYCHEE. This sample will play a ".wav" file in the root of USB memory or SD card. If the USER_BUTTON0 is pressed, the next song is played.

The default setting of serial communication (baud rate etc.) in mbed is shown the following link.
Please refer to the link and change the settings of your PC terminal software.
The default value of baud rate in mbed is 9600, and this application uses baud rate 9600.
https://developer.mbed.org/teams/Renesas/wiki/GR-PEACH-Getting-Started#install-the-usb-serial-communication

Please refer to following link about Audio/Camera Shield.
https://developer.mbed.org/teams/Renesas/wiki/Audio_Camera-shield

For GR-PEACH:

FormatWav file (RIFF format) ".wav"
Channel2ch
Frequencies32kHz, 44.1kHz, 48kHz, 88.2kHz and 96kHz
Quantization bit rate16bits, 24bits and 32bits


For GR-LYCHEE:

FormatWav file (RIFF format) ".wav"
Channel2ch
Frequencies32kHz, 44.1kHz and 48kHz
Quantization bit rate16bits



  • Use USB0 of PEACH:
    /media/uploads/dkato/audio_wav_usb0.png

    If you use the USB0 as USB Host, please close GR-PEACH's JP3.
    /media/uploads/RyoheiHagimoto/usb.jpg

    Please select USB0 connector by the following configuration.

mbed_app.json

{
    "config": {
        "usb-host-ch":{
            "help": "(for GR-PEACH) 0:ch0 1:ch1",
            "value": "0"
        },
        "audio-camera-shield":{
            "help": "(for GR-PEACH) 0:not use 1:use",
            "value": "0"
        }
    }
}



  • Use USB1 of GR-PEACH:
    /media/uploads/dkato/audio_wav_usb1.png

    If you use the USB1 as USB Host, please close Audio/Camera Shield's JP1. /media/uploads/dkato/audiocamerashield_jp1.jpg

    Please select Audio/Camera Shield and USB1 connector by the following configuration.

mbed_app.json

{
    "config": {
        "usb-host-ch":{
            "help": "(for GR-PEACH) 0:ch0 1:ch1",
            "value": "1"
        },
        "audio-camera-shield":{
            "help": "(for GR-PEACH) 0:not use 1:use",
            "value": "1"
        }
    }
}

mbed-os.lib

Committer:
1050186
Date:
8 months ago
Revision:
10:1e59ae6a81df
Parent:
9:a1045daef81d

File content as of revision 10:1e59ae6a81df:

https://github.com/ARMmbed/mbed-os/#2fd0c5cfbd83fce62da6308f9d64c0ab64e1f0d6