The USB Control Device Class Abstract Control Model - CDC ACM

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USB CDC (Communications Device Class) ACM (Abstract Control Model) is a vendor-independent publicly documented protcol that can be used for emulating serial ports over USB.

Contents

Hardware specifics

Neo1973 and CDC ACM

The Neo1973 u-boot boot loader contains support for obtaining the boot loader prompt over USB CDC ACM.

The OpenMoko kernel also contains CDC ACM device support, contained in the g_serial.ko kernel module.

Host PC and CDC ACM

Linux

Linux has a generic CDC ACM host-side implementation in the kernel module cdc_acm.ko

Windows

FIXME

MacOS X

MacOS X has a CDC ACM host-side implementation.

FIXME: Check which bits we need to change in u-boot to make it work.

The Neo1973 has been reported to work with AjZaurusUSB available from http://www.versiontracker.com/dyn/moreinfo/macosx/26581

Personal tools

USB CDC (Communications Device Class) ACM (Abstract Control Model) is a vendor-independent publicly documented protcol that can be used for emulating serial ports over USB.

Hardware specifics

Neo1973 and CDC ACM

The Neo1973 u-boot boot loader contains support for obtaining the boot loader prompt over USB CDC ACM.

The OpenMoko kernel also contains CDC ACM device support, contained in the g_serial.ko kernel module.

Host PC and CDC ACM

Linux

Linux has a generic CDC ACM host-side implementation in the kernel module cdc_acm.ko

Windows

FIXME

MacOS X

MacOS X has a CDC ACM host-side implementation.

FIXME: Check which bits we need to change in u-boot to make it work.

The Neo1973 has been reported to work with AjZaurusUSB available from http://www.versiontracker.com/dyn/moreinfo/macosx/26581