tree a00a27487879dbd039a5384f92a80894115f4c78
parent 0e57e4fb78e0830e522eb4b78b646bf1470cb091
author Andrei Emeltchenko <andrei.emeltchenko@intel.com> 1555499077 +0300
committer Anas Nashif <anas.nashif@intel.com> 1557285104 -0400

usb: cdc_acm: Refactor USB serial code

Add TX ring buffer, change USB API to transfer API.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>