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Diffstat (limited to 'Documentation/w1/slaves/w1_ds2423')
| -rw-r--r-- | Documentation/w1/slaves/w1_ds2423 | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/Documentation/w1/slaves/w1_ds2423 b/Documentation/w1/slaves/w1_ds2423 deleted file mode 100644 index 3f98b505a0ee..000000000000 --- a/Documentation/w1/slaves/w1_ds2423 +++ /dev/null @@ -1,47 +0,0 @@ -Kernel driver w1_ds2423 -======================= - -Supported chips: - * Maxim DS2423 based counter devices. - -supported family codes: - W1_THERM_DS2423 0x1D - -Author: Mika Laitio <lamikr@pilppa.org> - -Description ------------ - -Support is provided through the sysfs w1_slave file. Each opening and -read sequence of w1_slave file initiates the read of counters and ram -available in DS2423 pages 12 - 15. - -Result of each page is provided as an ASCII output where each counter -value and associated ram buffer is outpputed to own line. - -Each lines will contain the values of 42 bytes read from the counter and -memory page along the crc=YES or NO for indicating whether the read operation -was successful and CRC matched. -If the operation was successful, there is also in the end of each line -a counter value expressed as an integer after c= - -Meaning of 42 bytes represented is following: - - 1 byte from ram page - - 4 bytes for the counter value - - 4 zero bytes - - 2 bytes for crc16 which was calculated from the data read since the previous crc bytes - - 31 remaining bytes from the ram page - - crc=YES/NO indicating whether read was ok and crc matched - - c=<int> current counter value - -example from the successful read: -00 02 00 00 00 00 00 00 00 6d 38 00 ff ff 00 00 fe ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff crc=YES c=2 -00 02 00 00 00 00 00 00 00 e0 1f 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff crc=YES c=2 -00 29 c6 5d 18 00 00 00 00 04 37 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff crc=YES c=408798761 -00 05 00 00 00 00 00 00 00 8d 39 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff crc=YES c=5 - -example from the read with crc errors: -00 02 00 00 00 00 00 00 00 6d 38 00 ff ff 00 00 fe ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff crc=YES c=2 -00 02 00 00 22 00 00 00 00 e0 1f 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff crc=NO -00 e1 61 5d 19 00 00 00 00 df 0b 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff 00 00 ff ff crc=NO -00 05 00 00 20 00 00 00 00 8d 39 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff crc=NO |