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非常详细地介绍CANOpen通讯中EMCY、PDO、SDOrx、SDOtx、NMT error control、NMT、SYNC、TIME STAMP等的请求与应答数据格式
i2c protocol,this program to 8951 hardware systems
A reference of SIP protocol stack, very good.
RPC: Remote Procedure Call Protocol Specification Version 2
HCI USB driver for Linux Bluetooth protocol stack
PIC USB source code,include usb protocol stack.
ATMEL 90usb128 USB source,include USB protocol stack.
UBX protocol specification for u-blox 5 receiver.
protocol for serial communication in rs485 network device
email client and support pop3、smtp、imap protocol.