mmc-to-usb

Simple tool for android devices with usb configfs, to provide the whole emmc as usb mass storage device.

How it works

mmc-to-usb builds an minmalistic ramdisk with busybox and an init script. When it boots, it configures the usb interface to mass storage.

Use cases

• Use dd from PC
• Modify partition table (be careful)
• Just modify some file on some partitions in easy way.
• You tell me

Minimalist porting guide

• Place your kernel in prebuilt/brand-model/zImage (kernel must have CONFIG_USB_CONFIGFS_MASS_STORAGE enabled)
• Create your device config file (src/env-*.sh)
• Create an makefile rule
• Build & test