> On Sep 14, 2016, at 12:22 AM, Siddharth Amaravadi > <siddharth.amarav...@gmail.com> wrote: > > Hello, > > I've connected a Grove temperature sensor to my BBB. When I try to detect it > using i2cdetect, I don't see my sensor connected. Can you please help, > following are some details > > I2C Connection Details: > SIG -> P9_19 > NC -> P9_20
P9_19 should be connected to SCL and P9_20 should be connected to SDA. > > root@beaglebone:/# uname -a > Linux beaglebone 3.8.13-bone47 #1 SMP Fri Apr 11 01:36:09 UTC 2014 armv7l > GNU/Li nux > root@beaglebone:/# clear > root@beaglebone:/# i2cdetect -l > i2c-0 i2c OMAP I2C adapter I2C adapter > i2c-1 i2c OMAP I2C adapter I2C adapter > root@beaglebone:/# i2cdetect -r 0 > WARNING! This program can confuse your I2C bus, cause data loss and worse! > I will probe file /dev/i2c-0 using read byte commands. > I will probe address range 0x03-0x77. > Continue? [Y/n] y > 0 1 2 3 4 5 6 7 8 9 a b c d e f > 00: -- -- -- -- -- -- -- -- -- -- -- -- -- > 10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- > 20: -- -- -- -- UU -- -- -- -- -- -- -- -- -- -- -- > 30: -- -- -- -- UU -- -- -- -- -- -- -- -- -- -- -- > 40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- > 50: UU -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- > 60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- > 70: UU -- -- -- -- -- -- -- > root@beaglebone:/# i2cdetect -r 1 > WARNING! This program can confuse your I2C bus, cause data loss and worse! > I will probe file /dev/i2c-1 using read byte commands. > I will probe address range 0x03-0x77. > Continue? [Y/n] y > 0 1 2 3 4 5 6 7 8 9 a b c d e f > 00: -- -- -- -- -- -- -- -- -- -- -- -- -- > 10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- > 20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- > 30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- > 40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- > 50: -- -- -- -- UU UU UU UU -- -- -- -- -- -- -- -- > 60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- > 70: -- -- -- -- -- -- -- -- > > Please let me know if you need any further details > -- > 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. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/ebb07353-c6f5-4aea-85d1-e425606e9119%40googlegroups.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. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/E170B6F1-0DEC-4BC9-A282-B615D78CAFCB%40gmail.com. For more options, visit https://groups.google.com/d/optout.
