用的mindb_dd这个镜像,
使用i2cdetect -l是好的,但是i2cdetect -r -y 0 就会一直显示mv64xxx: I2C bus locked
root@LicheePi:~# i2cdetect -l
i2c-0 i2c mv64xxx_i2c adapter I2C adapter
root@LicheePi:~# i2cdetect -r -y 0
0 1 2 3 4 5 6 7 8 9 a b c d e f
00: [ 654.325777] i2c i2c-0: mv64xxx: I2C bus locked, block: 1, time_left: 0
-- [ 656.405767] i2c i2c-0: mv64xxx: I2C bus locked, block: 1, time_left: 0
-- ^C[ 658.485768] i2c i2c-0: mv64xxx: I2C bus locked, block: 1, time_left: 0
root@LicheePi:~#
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是不是因为我设备树里面没有使能?
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SDA/SCL 4.7k 上拉就 OK 了
谢谢大佬,我去试试!
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