File: //usr/sbin/i2cdump
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tE$u1ۉ$[]<nt <yuǻ 1뿐U]Ít& ' UWVS^ E )E}Ut+1ƍ ED$E D$E$9}u߃ [^_]Ë $ÐUSt Ћu[]US [P Y[ Syntax: i2cdump [-f] [-y] I2CBUS ADDRESS [MODE] [BANK [BANKREG]]
i2cdump -V
MODE is one of:
b (byte, default)
w (word)
W (word on even register addresses)
s (SMBus block)
i (I2C block)
c (consecutive byte)
Append 'p' to 'b', 'w', 's' or 'c' for PEC checking
I2CBUS is an integer
ADDRESS is an integer 0x00 - 0x7f
BANK and BANKREG are for byte and word accesses (default bank 0, reg 0x4e)
BANK is the command for smbusblock accesses (default 0)
Warning: Unsupported flag "-%c"!
Error: First argument not a number!
Error: I2CBUS argument out of range!
Error: Second argument not a number!
No size specified (using byte-data access)
Error: block command out of range!
Error: Invalid bank register number!
Error: bank out of range (0-0xff)!
Error: Could not get the adapter functionality matrix: %s
Error: Adapter for i2c bus %d does not have byte capability
Error: Adapter for i2c bus %d does not have byte read capability
Error: Adapter for i2c bus %d does not have word read capability
Error: Adapter for i2c bus %d does not have smbus block read capability
Error: Adapter for i2c bus %d does not have i2c block read capability
Warning: Adapter for i2c bus %d does not seem to actually support PEC
WARNING! This program can confuse your I2C bus, cause data loss and worse!
I will probe file %s, address 0x%x, mode %s
Only probing even register addresses.
Probing bank %d using bank register 0x%02x.
Error: Block read failed, return code %d
Error: Write start address failed, return code %d
0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef 0,8 1,9 2,a 3,b 4,c 5,d 6,e 7,f 2.10.7 i2cdump version %s
Error: No i2c-bus specified!
Error: No address specified!
Error: Address out of range!
b w W i Error: Invalid mode!
Error: Invalid bank number!
Error: bank out of range!
Error: Could not set PEC: %s
smbus block i2c block byte consecutive read byte word PEC checking enabled.
Using command 0x%02x.
Continue? [Y/n] Aborting on user request.
Error: Bank switching failed
%02x: %02x XXXX %04x !(q!!!Error: Could not set address to 0x%02x: %s
Error: Could not open file `/dev/i2c-%d' or `/dev/i2c/%d': %s
Error: Could not open file `%s': %s
Error: No I2C busses found!
Be sure you have done 'modprobe i2c-dev'
and also modprobed your i2c bus drivers
/dev/i2c/%d /dev/i2c-%d Run as root?
/proc/bus/i2c Installed I2C busses:
%s /proc/mounts %[^ ] %[^ ] %[^ ] %*s
sysfs /class/i2c-dev .. %s/%s/name %s/%s/device/name %s/%s/device i2c- %s/%s/device/%s/name %s: read error
ISA %s %-10s %-32s %s
%s %-10s %s
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