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WiﬁCtrl Reference Card

Communication

WiﬁCtrl can be controlled by simple ascii based commands via USB,

WLAN, SPI and USART. Default communication port is USB

(virtual serial port) with 115 200 baud. Each port is buﬀered with a

256 byte FIFO.

Note: All commands are written in lower case.

There are three mechanism to detect commands or data packages in

a data stream. Data is separated and processed every..

set flush size X X bytes (default 80)

set flush time X X µs with no data reception

(default 2500 µs)

set separator X occurrence of char ’X’ (default ’\0’)

These mechanism can be enabled or disabled by sending 0 or oﬀ as

a parameter. At least one mechanism must be active!

e.g. set separator oﬀ, set ﬂush time 0

WiﬁCtrl will acknowledge each command and print warnings. Every

message is ﬁnished by ”\r\n”.

IO-Control

IO-Pins of the extension port are tri-state and can be set to 0, 1 or

high-impedance.

set portX Y Z X = port (A,B,C,D)

set portXY Z Y = pin (0..7)

Z = level (0..1)

get portX Y returns ’0’ or ’1’, pin has high-impedance

Note: Interface commands will overwrite IO-settings and disable

the corresponding pins.

Interfaces

WiﬁCtrl has three conﬁgurable USART and one SPI, each capable

of either processing commands or being connected to another

interface. Baud rate error must be regarded, when opening a

USART. SPI frequency is 24 MHz/prescaler.

Note: SPI is shared with the onboard 433 Mhz transceiver, causing

traﬃc during power-up and all 433 Mhz related send-commands.

set usartXY Z X = port (C,D)

Y = number (0..1)

Z = baud rate (300..2 000 000 baud)

set usartXY close close USART and release IO pins

get usartXY returns connection state and baud rate

set spi X Y X = mode (SLAVE, MASTER)

Y = prescaler (2,4,8,16,32,64,128)

set spi close close SPI and release IO pins

get spi returns connection state and prescaler

Send

The send-command can be used to send data to the on-board

interfaces or the 433 Mhz ISM band.

Send to on-board interfaces:

send X Y X = interface (usb, wlan, usart[d0,c0,c1], spi)

Y = data

Send to 433 Mhz:

send he XY send HomeEasy EU

send heuk XY send HomeEasy UK simple

X = format (0x = hex, 0b = bin, ”= normal)

Y = data in selected format

send it XY send Intertechno (HX2262)

X = format (0x = hex, 0b = bin, ”= normal)

Y = data in selected format

Examples: send usartd0 hello world, send he 0x3FAA

Log

WiﬁCtrl has a 1024 byte (MiniCtrl 256 byte) FIFO buﬀer for storage

of received 433 Mhz messages.

get log get log data. Each entry is separated by \r\n

Note: FIFO data can be read only once!

set log 1 enable log (default)

set log 0 disable log, data is streamed to USB

Data format can be changed to hex, bin or normal. Normal will

display HX2262 messages in tristate (0,1,F), HomeEasy will be in

hex format.

A typical HX2262 message:

binary: IT 00:00:20 0000000000000101010101000

normal: IT 00:00:20 000000FFFFF0

hexadecimal: IT 00:00:20 0000AA8

no timestamp: IT 0000AA8

set format X X = format (hex, bin, nor)

set timestamp X X = enable timestamp (0..1)

set multiple packages X X = disable ﬁltering of multiple

packages (not recommended)

Due to similarities between the Intertechno (HX2262) and the

HomeEasy UK simple protocol, only one type can be received

simultaneously. The user can activate the desired protocol.

set protocol X X = (it,uk) (default: it)

get protocol returns ”it” or ”he”

Connect

Connect commands allow the user to connect diﬀerent interfaces, so

that they work as an interface converter. The following interfaces

can be connected:

- WLAN

- USB

- usart[d0,c0,c1]

- spi

During a connection, all data sent to Interface X is sent directly to

Y. The disconnect-command disconnects one Interface, the other is

still connected. To self-disconnect the Interface send: ”EXIT”

connect X Y X = interface (usb,wlan,usart[d0,c0,c1],spi)

disconnect X Y = interface (usb,wlan,usart[d0,c0,c1],spi)

Wlan

WiﬁCtrl uses the RN171 Wiﬁ-Module from Roving Networks.

General settings can be set/viewed by:

set wlan set IP, network and password

get wlan display all wlan settings

For full access use the connect command and refer to the RN171

datasheet from Roving Networks. Follow these steps:

- type "connect usb wlan"

- configure the RN171 with its own commands

- type "EXIT" to disconnect USB from Wlan

- type "disconnect wlan" to disconnect Wlan from USB

Remember to enter command mode of the RN171 by sending ”$$$”.

All further commands of the RN171 are ﬁnished by <cr>.

Miscellaneous

set date dd.mm.yyyy d = day (1..31)

get date m = month (1..12)

y = year

set time hh:mm:ss h = hours (0..23)

get time m = minutes (0..59)

s = seconds (0..59)

get version returns ﬁrmware version

get id returns board id

All settings will be discarded during next power-up, unless they were

saved.

save save changes made by set-commands

reset reset settings to default.

Version 0.2, last updated 13.01.2013

 2013 Philip Parsch

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