I am attempting to use Ardusub with a different flight controller (either a Kakute H7, or SpeedyBee F405 Wing). When attaching the Bar30 pressure sensor to the SDA / SCL pins, I receive the error Baro:Unable to initialize driver. This error stops pretty much all functionality of the ROV. Without the Bar30 pressure sensor connected it works fine. At first I believed it was an I2C address conflict with the onboard pressure sensor, although using an address translator did not fix the problem. Any help would be greatly appreciated! Thanks!
I’m not sure if our team have either of those flight controller boards available to test with. In the hope that it’s just a configuration issue, have you confirmed that the I2C port you’re using is enabled via the BARO_EXT_BUS parameter, and that the MS5837 sensor driver is enabled in BARO_PROBE_EXT?
I’m not sure if you’re using a standard or custom firmware build, but hopefully the driver wasn’t excluded via a compilation flag, although I could imagine a bug in how and where the pre-compiler macros are applied could cause an error like that. Alternatively there could be a problem with the sensor itself being damaged / not responding as expected. Do you have a way of testing it independently (e.g. via an Arduino or Raspberry Pi)?
Hmm, how did you go about this?
The driver uses a hardcoded address, to match the fixed address of the device, so if you’ve changed the effective address via a translator then you would also need to compile the firmware to use that different address.