This is a Arduino Library for Accessing INSTA-Funkbus witch ist used be Gira, Becker and Jung until 2017. In case of the ending of Support from this firms this is only a proof of concept and I will not finish it. But I hope others can use my work. Many information about INSTA-Funkbus I found on https://www.mikrocontroller.net/topic/158243 But not all of this information was correct.
____ ____ ____ ________________ ____ ________________ _____
|****|xxxx|xxxx|xxxxxxxxxxxxxxxx|xxxx|xxxxxxxxxxxxxxxx|xxxxx|
| | | | | | | |
4Bit 4Bit 4Bit 16Bit 4Bit 16Bit 5Bit
| | | | | |
| | | | | #--Checksum
| | | | #--Data
| | | #--Battery state
| | #--serialnumber
| #--subtype
#--sendertype'* = 4ms Hi signal on start The transport ist AM bitmodulation on 433 Mhz
__ __ __ __ __ __
| | | | | | | |
_| |__ __| |__| |__| |__.....
| 0 | 0 | 1 | 0 | 1 |My Remotecontrol has sendertype 0010 and subtype 1100
0000-0xxx-xx0x-xxxx
||| || | ||||#-Parity bit
||| || | |##-- button Presstime/Sequenz
||| || | |##-- 00 First in Seq., 10 short press seq. 2
||| || | |##-- 00 First in Seq., 01 long press seq. 2, 11 long press seq. 3
||| || | #---- OFF (OFF = 1)
||| || #------ ON (ON = 1)
||| ||
||| ##-------- 00 = CH A
||| ##-------- 10 = CH B
||| ##-------- 01 = CH C
||| ##-------- 11 = Licht senen modus (LS)
|||
###----------- 000 = button 1 or LS1
###----------- 100 = button 2 or LS2
###----------- 010 = button 3 or LS3
###----------- 110 = button 4 or LS4
###----------- 001 = button 5 or LS5
###----------- 101 = button 6 or LS6
###----------- 011 = button 7 or LS7
###----------- 111 = button 8 or LS8
The remote control sends a a sequence of package. Minimum 3 packages. On a short press of a button the first package is difrent from the other. On as long press of a button it sends three types of packages. The differnts I found in the "Presstime/Sequenz" bits.
00 | First package in sequence
10 | package 2 and folow in sequence for short press of a button
01 | package 2 and 3 in sequence for long press of a button
11 | package 4 and folow in sequence for long press of a buttonThe Checksum is a big problem In the Article on https://www.mikrocontroller.net/topic/158243 "Wireless Avans" writes that he found the algorithm, that's wrong.
1234
xxxx1--- Last bit always 1
#### ---- 1. negate the pattern from ON if OFF
#------ 2. negate this if bit 1 of "Presstime/Sequenz" bits is 1
#-------- 3. negate this if bit 2 of "Presstime/Sequenz" bits is 1
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