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I2C Bus test

Question asked by yann kingoum on Sep 9, 2014
Latest reply on Sep 11, 2014 by alejandrolozano

i try to test the I2C Bus of IMX6 automotive.

with the command i2cdetect -l,the microcontroller has 2 bus (1 and 2).

with the command i2cdetect 1 ,i have one sensor on 0x48

i see to the datensheet that 0x90 is the chip address to Read/Writte

now i wan to read and writte

i use the command i2cget 1 0x48 0x90

but the answer is read failed.

Please why can i do ,to have some answer ?

and why can i don to writte with the command i2cset?