X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/hmcfgusb/blobdiff_plain/2a7ec3e4e4d784c06d17e4cfab27d25d4a0b08ce..256adf553a043566b5131e718060b918d2075943:/README.md diff --git a/README.md b/README.md index f0ccc78..3726b6c 100644 --- a/README.md +++ b/README.md @@ -1,5 +1,6 @@ This repository contains utilities to use the [HM-CFG-USB(2)][] (HomeMatic USB -Konfigurations-Adapter) from [ELV][] on Linux/Unix by using [libusb 1.0][]. +Konfigurations-Adapter, seems to be discontinued) from [ELV][] on Linux/Unix +by using [libusb 1.0][]. The HM-CFG-USB can be used to send and receive [BidCoS-Packets][] to control [HomeMatic][] home automation devices (like remote controllable sockets, @@ -11,7 +12,7 @@ HM-CFG-USB in [Fhem][] or as a lan configuration tool for the [CCU][] or the HomeMatic windows configuration software, also supporting devices using AES-signing like [KeyMatic][]. -[HM-CFG-USB(2)]: http://www.elv.de/homematic-usb-konfigurations-adapter-1.html +[HM-CFG-USB(2)]: http://www.eq-3.de/Downloads/eq3/downloads_produktkatalog/homematic/bda/HM-CFG-USB-2_-UM-eQ-3-150129-web.pdf [ELV]: http://www.elv.de/ [libusb 1.0]: http://www.libusb.org/ [BidCoS-Packets]: http://homegear.eu/index.php/BidCoS%C2%AE_Packets @@ -31,7 +32,7 @@ AES-signing like [KeyMatic][]. 2. Extract the archive: `tar xzf hmcfgusb-0.100.tar.gz` 3. Change into the new directory: `cd hmcfgusb-0.100` * Get the current *development*-version via git (can be easily updated with `git pull`): - 1. `git clone git://git.zerfleddert.de/hmcfgusb` + 1. `git clone https://git.zerfleddert.de/git/hmcfgusb` 2. Change into the new directory: `cd hmcfgusb` * Get the current *development*-version as an archive: 1. [hmcfgusb-HEAD-xxxxxxx.tar.gz][] (xxxxxxx is part of the commit-id. @@ -48,7 +49,7 @@ AES-signing like [KeyMatic][]. ``define hmusb HMLAN 127.0.0.1:1234`` ``attr hmusb hmId `` -**Important compatibility information:** +**Important compatibility information:** If older Fhem-versions (before 2015-06-19) or [Homegear][] before 2015-07-01 is used to connect to hmland, the `-I` switch might be needed to impersonate a LAN-interface (this replaces the identity string HM-USB-IF with @@ -60,6 +61,14 @@ hmland without this switch. It was the hardcoded default in versions This incompatibility is needed so connecting software is able to differentiate between HM-CFG-LAN and HM-CFG-USB. +**Important security information:** +Versions before 0.101 do not correctly transmit the AES channel-mask +to the HM-CFG-USB, which results in signature-requests not being generated +by the device in most cases. This can lead to processing of unsigned messages +by the host-software. If you are relying on authenticated messages +(with e.g. aesCommReq in Fhem) from devices like door-sensors and remotes, +you should upgrade to at least version 0.101. + [releases-directory]: https://git.zerfleddert.de/hmcfgusb/releases/ [hmcfgusb-HEAD-xxxxxxx.tar.gz]: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/hmcfgusb/snapshot/HEAD.tar.gz [Homegear]: https://www.homegear.eu/ @@ -68,15 +77,17 @@ differentiate between HM-CFG-LAN and HM-CFG-USB. 1. Compile the hmcfgusb utilities like in the hmland HowTo above (steps 1 to 5) and stay in the directory -2. Download the new firmware: [hmusbif.03c7.enc][]: +2. Download the new firmware: [hmusbif.03c7.enc][] (extracted from the + [Firmware update tool][]): `wget https://git.zerfleddert.de/hmcfgusb/firmware/hmusbif.03c7.enc` 3. Make sure that hmland is not running 4. Flash the update to the USB-stick: `./flash-hmcfgusb hmusbif.03c7.enc` (You might need to use `sudo` for this) [hmusbif.03c7.enc]: https://git.zerfleddert.de/hmcfgusb/firmware/hmusbif.03c7.enc +[Firmware update tool]: http://www.eq-3.de/Downloads/Software/Firmware%20Update%20Tool/HM-CFG-USB-2_FW-UpdateTool-Usersoftware_V1_1_eQ-3_140619.zip -### Updating HomemMatic devices over the air (OTA) (also for CUL devices): ### +### Updating HomemMatic devices over the air (OTA) (also for CUL- and HM-MOD-UART-devices): ### 1. Compile the hmcfgusb utilities like in the hmland HowTo above (steps 1 to 5) and stay in the directory @@ -87,11 +98,32 @@ differentiate between HM-CFG-LAN and HM-CFG-USB. * When using the **[HM-CFG-USB(2)][]**, flash the new firmware to the device with serial *KEQ0123456*: `./flash-ota -f hm_cc_rt_dn_update_V1_4_001_141020.eq3 -s KEQ0123456` -* When using a **[culfw][]**-based device (**[CUL][]/[COC][]/...**), flash - the new firmware to the device with serial *KEQ0123456*: +* When using a **[culfw][]**-, **[a-culfw][]**- or **[tsculfw][]**-based + device (**[CUL][]/[COC][]/...**), flash the new firmware to the device + with serial *KEQ0123456*: `./flash-ota -f hm_cc_rt_dn_update_V1_4_001_141020.eq3 -s KEQ0123456 -c /dev/ttyACM0` +* When using the **[HM-MOD-UART][]**, flash the new firmware to the device + with serial *KEQ0123456*: + `./flash-ota -f hm_cc_rt_dn_update_V1_4_001_141020.eq3 -s KEQ0123456 -U /dev/ttyAMA0` + +**Automatic firmware-updates:** +The options `-C` (HMID of central), `-D` (HMID of device) and `-K` (AES key w/ +index) can be used to send a device to the bootloader automatically without +manually rebooting the device while pressing buttons: + +`./flash-ota -f hm_cc_rt_dn_update_V1_4_001_141020.eq3 -C ABCDEF -D 012345 -K 01:00112233445566778899AABBCCDDEEFF` + +`-K` is only needed, when AES signing is active on the device. + +**Acknowledgments:** +flash-ota uses the public domain [AES implementation by Brad Conte][] to answer +signing-requests with culfw-devices. [eQ-3]: http://www.eq-3.de/downloads.html [culfw]: http://culfw.de/culfw.html +[a-culfw]: https://forum.fhem.de/index.php?topic=35064.0 +[tsculfw]: https://forum.fhem.de/index.php?topic=24436.0 [CUL]: http://busware.de/tiki-index.php?page=CUL [COC]: http://busware.de/tiki-index.php?page=COC +[HM-MOD-UART]: https://www.elv.de/homematic-funkmodul-fuer-raspberry-pi-bausatz.html +[AES implementation by Brad Conte]: https://github.com/B-Con/crypto-algorithms