<https://lh3.googleusercontent.com/-693LAOpBgRg/WdfcmlITSyI/AAAAAAAAGCk/CugmXpLMDM8iFSz578t-5U1Jz6o0GXaEwCLcBGAs/s1600/I0066740226.jpg>
<https://lh3.googleusercontent.com/-zhFDI7kB13I/Wdfb3YShlSI/AAAAAAAAGCc/h8vqN48VdBsjnyvR4ZRrO27RaAF3MHDOQCLcBGAs/s1600/I0643527176.jpg> Hi all, I have a bbb, and I have interfaced an adxl345 on p9_19 and p9_20. on* i2cdetect -r 2* I can see the* chip address 0x53 as SDO is grounded.* When I try to do *root@beaglebone:~# i2cdetect -r 2* *WARNING! This program can confuse your I2C bus, cause data loss and worse!* *I will probe file /dev/i2c-2 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: -- -- -- 53 UU UU UU UU -- -- -- -- -- -- -- --* *60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --* *70: -- -- -- -- -- -- -- --* and *i2cdump -y 1 0x53* I see all entries as *root@beaglebone:~# i2cdump -y 1 0x53* *No size specified (using byte-data access)* * 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef* *00: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX* *10: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX* *20: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX* *30: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX* *40: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX* *50: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX* *60: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX* *70: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX* *80: XX XX XX XX XX XX XX* I am directly connecting *3.3v(p9_3) to 3v3 of adxl and gnd(p9_1) to gnd of adxl. Also I am direclty connecting to p9_19 to scl and p9_20 to sda* directly. I do not have oscilloscope so I can't check much * what is wrong here?* -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/0a36d339-2a2a-4572-a99e-dbf1c0b0e825%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
