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Subaru global imperial/metric ACC speed fix #638

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commented May 11, 2019

Openpilot shows Subaru global ACC set speed incorrectly when car has been set to use metric units in dash menu. This PR adds CAN units signal to dbc and conditional mph to kph ACC speed unit conversion according to units signal value

SG_ Checksum : 0|8@1+ (1,0) [0|255] "" XXX
SG_ Counter : 8|4@1+ (1,0) [0|15] "" XXX
SG_ NEW_SIGNAL_3 : 16|4@1+ (1,0) [0|15] "" XXX
SG_ Units : 27|5@1+ (1,0) [5|27] "" XXX

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rbiasini May 12, 2019


I don't think unit should be 5 bits. Wouldn't be better:

SG_ Units : 29|3@1+ (1,0) [0|7] "" XXX
imperial = 1 (b001)
metric = 6 (b110)



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commented May 12, 2019

Looks good. See my comment on the dbc file. This change is already merged into our internal branch and it will be out with the next OP version. Thanks!

@rbiasini rbiasini closed this May 12, 2019

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