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Handle 10 bytes data - Printable Version

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Handle 10 bytes data - Kilogica - 24.02.2021

Hello everyone,

I have to send a 10 bytes value to an object (it's a blumotix access control system) with a W4K, but I can't find a way to write directly on knx bus, is it possible?

I tried to search but I wasn't able to find anything useful

For examble I have to send $12 $34 $56 $00 $00 $00 $00 $00 $00 $80 to the address 5/4/0, how can I?

Many thanks in advance for the help.

RE: Handle 10 bytes data - admin - 24.02.2021

Use dt.raw datatype to send raw data as is:
Code:
value = string.char(0x12, 0x34, 0x56, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80)
grp.write('5/4/0', value, dt.raw)


RE: Handle 10 bytes data - Kilogica - 24.02.2021

It works, thanks!

RE: Handle 10 bytes data - CristianAgata - 14.08.2021

(24.02.2021, 10:42)admin Wrote: Use dt.raw datatype to send raw data as is:
Code:
value = string.char(0x12, 0x34, 0x56, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80)
grp.write('5/4/0', value, dt.raw)

Thanks

RE: Handle 10 bytes data - Alberto.ricof - 02.02.2022

Good afternoon,

Can you think of a way to give the client a text field (or 6 different fields since the password is 6 digits) to fill in those 10bytes?

This Blumotix device (see attached manufacturer's information for the 10byte object) works with 6 digit keys in 10byte format, the last byte determines whether you write or delete the key.

The idea is to set up a visualisation so that the client can write the key every time he wants to change it and with a button we can write correctly on the device.

Thank you in advance for your help,

Greetings !

   

RE: Handle 10 bytes data - admin - 03.02.2022

Event script for the code object. Use 250 byte string object. Code format is 6 numbers, everything else will be ignored.
Code:
value = event.getvalue()

-- code format is 6 numbers
if #value == 6 and value:match('^%d+$') then
  b1 = tonumber(value:sub(1, 2), 16)
  b2 = tonumber(value:sub(3, 4), 16)
  b3 = tonumber(value:sub(5, 6), 16)

  req = string.char(b1, b2, b3, 0, 0, 0, 0, 0, 0, 0x80)
  grp.write('5/4/0', req, dt.raw)
end


RE: Handle 10 bytes data - Alberto.ricof - 03.02.2022

(03.02.2022, 06:48)admin Wrote: Event script for the code object. Use 250 byte string object. Code format is 6 numbers, everything else will be ignored.
Code:
value = event.getvalue()

-- code format is 6 numbers
if #value == 6 and value:match('^%d+$') then
  b1 = tonumber(value:sub(1, 2), 16)
  b2 = tonumber(value:sub(3, 4), 16)
  b3 = tonumber(value:sub(5, 6), 16)

  req = string.char(b1, b2, b3, 0, 0, 0, 0, 0, 0, 0x80)
  grp.write('5/4/0', req, dt.raw)
end

works great, you are a crack!

thank you very much