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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
9 w8 f+ v& |- q+ IError: I2C bus name is not unique!' W, T6 N* [0 T+ M$ L
Usage: i2cset [-f] [-y] [-m MASK] [-r] I2CBUS CHIP-ADDRESS DATA-ADDRESS [VALUE] ... [MODE]% G0 T3 M8 X1 _% |- u
I2CBUS is an integer or an I2C bus name
+ z9 `: G: N& r3 q( Q ADDRESS is an integer (0x03 - 0x77)
7 } n% _* E# m9 o MODE is one of:- C+ [- q! p; T) c3 ~
c (byte, no value)- U2 Q4 ?6 l7 I6 d6 {( q% `7 M; g: g
b (byte data, default)
. s& h' m$ K; Y0 w1 ~ w (word data)
1 }, |$ N1 d; i3 V1 u( m i (I2C block data)- ?: W# \# K" r( \' n/ i
s (SMBus block data)
/ K G$ t* @- D0 ?# ^9 H7 F; u Append p for SMBus PEC
& p- j) O8 v7 F X0 D$ u1 P; n9 ~ |
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