Merge DIYglenn

Debugging/Samples/Kaifa/readme.md

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+## Sample for Kaifa KFM_001
+
+This sample shows a full data package, including start and stop bits.
+Please check the [data breakdown](./obisdata.md) for a more detailed description of each OBIS code value.
+
+A good portion of raw sample data is also available in [raw-raw-20170915.txt](./raw-raw-20170915.txt)
+
+### SAMPLE Data:
+> **[2017-09-12 23.18.43.731 - Received 41 (0x29) bytes]**
+
+> 7E A0 27 01 02 01 10 5A  87 E6 E7 00 0F 40 00 00  00 09 0C 07 E1 09 0C 02
+> 17 12 2A FF 80 00 00 02  01 06 00 00 05 28 B8 0C  7E
+
+
+### Breakdown:
+Data	|	Explaination
+--------|-------------
+7E 	|	Frame Start flag
+A	|	4 bits, A = Frame Format Type 3 (0b1010)
+0 27	|	11 bits, Frame size: 0x27 (39 bytes, excluding start/end flags)
+01	|	Destination Address (Address can be 1-4 bytes. Terminated by LSB=1)
+02 01	|	Source Address (Address can be 1-4 bytes. Terminated by LSB=1)
+10	|	Control Field
+5A 87	|	Header check sequence (HCS) (Check sum calculated from the address bytes, according to RFC 1662)
+**Begin Data**|	LLC PDU Format (GB, 8.3 Fig 19)||
+E6	|	Destination LSAP
+E7	|	Source LSAP
+00	|	LLC Quality
+0F 	|	Information, n*8 bits?
+40 00 00 00	|	(UNCERTAIN)
+09 | ??String?? Kamstrup removed this, will it also disappear from Kaifa?
+0C | 12 bytes (length of the string)
+07 E1	|	2017 (year)
+09	|	09 (sep)
+0C	|	12 (date)
+02	|	tuesday 
+17	|	23 (hour)
+12	|	18 (min)
+2A	|	42 (sec)
+FF 	|	(fff not specified)
+80 	|	(deviation not specified?)
+00 00 |	(clock_status?) This is the 12th (0x0C) byte of the string
+02 01	|	(UNKNOWN) could this be another value, identified by 0x02?
+06 	|	Integer following: 1320 Watt
+00 	|	Byte 1 (MSB)
+00 	|	Byte 2
+05 | Byte 3
+28 | Byte 4 (LSB) 
+**End Data**|
+B8 0C	|	Frame check sequence (FCS) (Check sum calculated from full frame, excluding flags and FCS, according to RFC 1662)
+7E	|	Frame End flag