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author | norly <ny-git@enpas.org> | 2019-02-18 14:48:44 +0100 |
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committer | norly <ny-git@enpas.org> | 2019-02-18 14:48:44 +0100 |
commit | af2eeee04aedc5816011a49192f338e6cc066acc (patch) | |
tree | 56966753930baeb9b17dede55d160806f93ee344 /readme.rst | |
parent | 4291078e9ec02a81765434360abad8e8e8110f3a (diff) |
README.txt: Add limitations for 'v1.5' clones
Diffstat (limited to 'readme.rst')
-rw-r--r-- | readme.rst | 16 |
1 files changed, 16 insertions, 0 deletions
@@ -95,6 +95,22 @@ sheet. This needs to be done before attaching the line discipline. Known limitations of the controller ------------------------------------ +- Clone "v1.5" devices + + Sending RTR frames is not supported and will be dropped silently. + + Receiving RTR with DLC 8 will appear to be a regular frame with + the last received frame's DLC and payload. + + "``AT CSM``" not supported, thus no ACK-ing frames while listening: + "``AT MA``" will always be silent. However, immediately after + sending a frame, the ELM327 will be in "receive reply" mode, in + which it *does* ACK any received frames. Once the bus goes silent + or an error occurs (such as BUFFER FULL), the ELM327 will end reply + reception mode on its own and elmcan will fall back to "``AT MA``" + in order to keep monitoring the bus. + + - All versions No automatic full duplex operation is supported. The driver will |