USB2-F-7x01 Full-Speed USB to 1-Port CANBus Adapter Datasheet

Version 1.4

Document Reference No.: CP_000050 Clearance No.: CP#040

Copyright © Connective Peripherals Pte Ltd

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4

Application Programming Interfaces

4.1

ASCII commands

The following ASCII commands provide a means of utilizing an interactive terminal program, or

communication through a standard COM or TTY port. Unrecognized commands return the ASCII BELL

character (0x07). Some useful settings for a terminal program to assist in the human readability of

command responses are:

-

Echo typed characters locally – the USB2-F-7x01 does not echo characters.

-

Append line feeds to incoming line ends.

-

With the use of the FTDI FT245 USB-FIFO interface, serial port bit rate settings are not typically

necessary; however, some terminal programs may yield unpredictable results with slow rates.

Set the COM port to the highest available bit rate. The USB2-F-7x01 will maintain the most

efficient data rate available.

The CANbus messages are received at all times by default and sent to the host through the FTDI FT245

USB-FIFO interface immediately. Firmware version 2.2 supports sustained read of CAN messages sent

1ms apart as well as a bursts of up to 100 CAN messages sent 50us apart.

Help (H, h or ?)

Summary

Lists available commands.

Definition

H<CR>, h<CR> or ?<CR>

Parameters

None

Remarks

Example:

?<CR>

List available commands.

Return Codes

List of Supported Commands

O – Open CAN Channel

C – Close CAN Channel

t – Transmit Standard Frame

T – Transmit Extended Frame

F – Read Status Flag

V – USB2-F-7001 Version

N – Serial Number of USB2-F-7001

Z – TimeStamp Option On/Off

S – Set CAN Bit Rate

s – Set BRGCON Registers

m – Set Acceptance Mask

M – Set Acceptance Filter

B – Enter Bootload Mode

L – Set Listen Mode

E – Clear Buffers and Echo Char

R – Reset USB2-F-7001

H, ? or h – Help on USB2-F-7001 Commands<CR> = OK

<BELL> = ERROR