OLIMEX MOD-RFID125, Руководство пользователя

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UART MODE:
In this mode there is no need for USB connection. Instead the device must
be connected via UEXT connector to a TTL-level UART of a microcontroller
system of choice. It expects the peer to be configured with 9600 bps, 8bit
character, no parity, 1 stop bit. The communication is otherwise the same
as in USB CDC mode, but there is no need for USB. Again, all entered
characters are echoed back.
SWITCHING OPERATING MODES:
The current mode of operation can be selected by pressing and holding the
button of the device. After two seconds the LEDs will start to blink and will
show the code for the next selected mode. When button is released, the
device will reboot and enter the selected mode. Selected mode is
remembered between power downs. The assigned codes are:
LED Status Description
Red Green Previous State State After Button Is
Released
blinks off UART USB HID
off blinks USB HID USB CDC
blinks blinks USB CDC UART
COMMAND LINE INTERFACE (USB CDC and UART modes):
The command line interface, available in USB CDC and UART modes,
allows device configuration and reading of successfully decoded TAG IDs.
Just open the serial port assigned to MOD-RFID125 using HyperTerminal
or similar terminal program, and start typing commands.
For the impatient: type '?' and press enter to see a short help for the
supported commands. Any typed character will be echoed back; 'enter' will
force the module to process the input command line.
1. Command ?
This command prints a short help message, describing the available
commands and their arguments.
2. Command i
This command prints a short information about firmware version,
hardware board revision, and currently selected configuration.
3. Command b
This command forces the device to enter boot loader mode. After
executing this command the device will disconnect itself from USB,
switch to boot loader mode, and reconnect itself in anticipation of
receiving a firmware upgrade image. See the section “Firmware
Upgrade” for more information.