D:\ADB\platform-tools>adb shell / # i2cset -fy 2 0x18 0x00 0x00 b WARNING! This program can confuse your I2C bus, cause data loss and worse! I will write to device file /dev/i2c-2, chip address 0x18, data address 0x00, data 0x00, mode byte. Continue? [Y/n] y / # i2cdump -fy 2 0x18 No size specified (using byte-data access) WARNING! This program can confuse your I2C bus, cause data loss and worse! I will probe file /dev/i2c-2, address 0x18, mode byte Continue? [Y/n] y 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef 00: 00 00 60 00 07 92 20 00 00 00 00 88 82 00 80 02 ..`.?? ....??.?? 10: 00 08 88 82 80 01 00 04 00 00 01 00 00 01 84 00 .?????.?..?..??. 20: 00 00 00 00 cc 00 00 00 00 00 0e 00 00 00 00 00 ....?.....?..... 30: 00 00 00 00 08 12 03 02 04 00 00 00 01 01 00 14 ....?????...??.? 40: 0c d8 d8 00 6f 38 00 00 00 00 00 ee 10 d8 7e e3 ???.o8.....???~? 50: 00 c0 00 28 28 00 00 00 7f 00 00 00 00 00 00 00 .?.((...?....... 60: 7f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ?............... 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ / # i2cset -fy 2 0x18 0x00 0x01 b WARNING! This program can confuse your I2C bus, cause data loss and worse! I will write to device file /dev/i2c-2, chip address 0x18, data address 0x00, data 0x01, mode byte. Continue? [Y/n] y / # i2cdump -fy 2 0x18 No size specified (using byte-data access) WARNING! This program can confuse your I2C bus, cause data loss and worse! I will probe file /dev/i2c-2, address 0x18, mode byte Continue? [Y/n] y 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef 00: 00 00 60 00 07 12 20 00 00 00 00 08 02 00 80 02 ..`.?? ....??.?? 10: 00 08 08 02 80 01 00 04 00 00 01 00 00 01 04 00 .?????.?..?..??. 20: 00 00 00 00 cc 00 00 00 00 00 0e 00 00 00 00 00 ....?.....?..... 30: 00 00 00 00 08 12 03 02 04 00 00 00 01 01 00 14 ....?????...??.? 40: 0c d8 d8 00 6f 38 00 00 00 00 00 ee 10 d8 7e e3 ???.o8.....???~? 50: 00 00 88 00 00 00 00 00 7f 00 00 00 00 00 00 00 ..?.....?....... 60: 7f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ?............... 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ / #