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发表于 2019-10-14 23:54:10
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root@catdriver1:/# i2cset -y -f pxa_i2c-i2c 0x45 0x01 0x01
/ F# T) K% L aError: I2C bus name is not unique!) R6 g; X% X8 s$ a6 L6 M
Usage: i2cset [-f] [-y] [-m MASK] [-r] I2CBUS CHIP-ADDRESS DATA-ADDRESS [VALUE] ... [MODE]
' P% m& n( W5 Y; U# y- B I2CBUS is an integer or an I2C bus name
2 f: ^+ X o- D0 e. y" _ ADDRESS is an integer (0x03 - 0x77)' D. U& ~% A' e0 Z$ d1 f' e( Z, L
MODE is one of:
6 ]) J" a- J, W0 B, Q8 ` c (byte, no value)! j( p) _. B i/ |$ m* M
b (byte data, default)
1 D3 K% |0 S7 R" q" \# g. ~) w w (word data)3 O9 z2 [; ^1 k8 F
i (I2C block data)
4 O9 l( @8 `8 S+ d5 r' C8 r s (SMBus block data)' P6 G! |; o7 k
Append p for SMBus PEC
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