> On Feb 29, 2016, at 10:07 PM, Nuno Sucena Almeida <n...@aeminium.org> wrote: > >> On 02/29/2016 08:28 PM, AV8TOR wrote: >> Update: >> I anticipate someone will want to know how the sensor is interfaced: >> Again, using the BMP085 as a reference for my BMP280 >> The actual BMP280 pinout BMP280 Pinout >> <https://learn.adafruit.com/adafruit-bmp280-barometric-pressure-plus-temperature-sensor-breakout/pinouts> >> the below steps snipped from this link: BMP On the Beaglebone Black >> <http://elinux.org/Beagleboard:BMP_on_the_Beagle_Bone_Black> >> >> 1. Connect GND from the BMP085 to P9.1 of your BBB. >> 2. Connect VIN from the BMP085 to P9.3 of your BBB. >> 3. Connect SCL from the BMP085 to P9.19 of your BBB. >> 4. Connect SDA from the BMP085 to P9.20 of your BBB. (NOTE: the BMP280 >> does not have SDA, so I'm using SDI instead) > > You might want to make sure that you are using the BMP280 in I2C mode, > instead of SPI mode, as it supports both. > > Before assigning a driver to it (your echo command), you can try to see > if it's actually being detected on the i2c bus and dump its registers > using the i2c tools (i2cdetect, i2cdump) > > You also didn't mention what linux/kernel versions you are running. > There's support for BMP280 on newer linux kernels within the kernel iio > framework as of 2014/2015.
The kernel outputs to its own log rather than your terminal. Use 'dmesg' to report the kernel response after your attempt to load the driver. > > regards, > Nuno > > -- > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to beagleboard+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
