CAN3 Interfacing a Pi 3 with PiCAN2
Features several scripts written in python to interface with Model S CAN Bus 3 (powertrain). I execute these scripts as CGI and output through an Apache HTTP server.
initial release
Features several scripts written in python to interface with Model S CAN Bus 3 (powertrain). I execute these scripts as CGI and output through an Apache HTTP server.
Thanks for putting this up!
In looking at the calculations in logger.py, under SHOW _REAR_POWER_DATA, the calculations (3 of them) maybe wrong, but I can't confirm it. For example:
mechPower = ((message.data[2] + ((message.data[3] & 0x7)<<8))-(512 * (message.data[3] & 0x4))) / 2
It seems wrong that data[3] bits 0,1 and 2 (i.e. &7) are used in the first part of the equation, and then data[3] bit 2 (i.e. & 0x4) is re-used in the latter part. I'd expect different bits. The other two similar calculations torqMeas and torqEst also reuse bits in a similar way, which seems wrong. If you have a source document, you might check if this was done wrong.
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