Closed ruffle-b closed 5 years ago
Hi @ruffle-b,
Are you connecting it to a car? Have you tried any of the non-OBDII examples?
I've successfully used a SN65HVD230
transceiver for board to board, but haven't had success getting OBD-II data from a car with it.
Hi, all. It is problem have a solution. Very important chip imaging. Set the terminator to 60 ohms. If the free standing on the bus is not 1.65 V, then use pull-up resistors for this. CANH > RES 3kOhm > GND (Pull down) CANL > RES 3kOhm > +3,3 V (Pull up)
Driver ADM3053 also works.))
I tried using with my Suzuki. I'm getting following data on CAN BUS.
Received packet with id 0x13 and length 4
?0p
Received packet with id 0x39 and length 0
Received packet with id 0x41 and length 0
How do I read/parse this data as OBD response ? I tried using your OBD library along with this but It shows nothing on serial.
Your data is output if the LENGTH is not zero.
@quadcodes please open another issue for your questions as it's not related to the original topic of this issue.
@rahmaevao thanks for the tips!
Closing due to lack of feedback.
Nice library but it doesn't work on a SN65HVD230 Transceiver (which are now very common).
Using your simple EngineRPM demo; it hangs at CAN.endPacket() (the standard can library in esp-idf does work with SN65HVD230).
Weirdly, if I put a Serial.println immediately before that it not only hangs but I have to power cycle my ESP32 before it will talk again: