cm2010

Python script that records log-data of the Conrad Charge Manager 2010 serial interface (tty). All relevant data is stored into a CSV file for later analysis (R-Scripts).

Byte Format

Based on CM2010

Byte	Description
0	Number of the charger slot
1 high	Unknown
1 low	Current display state (see display states table)
2 high	Battery capacity (manual selection or automatic) (see battery capacity table)
2 low	Charging program state (see program state table)
3	Unknown
4	Internal counter (time)
5	Charging hours
6	Charging minutes
7	Unknown
8-9	Voltage (U in mV) if charging otherwise 0x0000
10	Unknown
11	Unknown
12	Unknown
13-14	Amperage (I in mA) if charging and discharging
15-16	Voltage (U in mV) of the battery
17-19	Charged capacity (CCap in 10e-2 mAh)
20-22	Discharged capacity (DCap in 10e-2 mAh)
23	Unknown
24-25	Previous voltage (-4 intervals)
25-27	Previous voltage (-3 intervals)
28-29	Previous voltage (-2 interval)
30-31	Previous voltage (-1 interval)
32-33	Resistor in charger slot (0xFFFF if no battery otherwise in 10e-2 MOhm)

Display State

HEX	Description
0x00	--- (no battery in slot)
0x01	SELECT AUTO/MAN: AUTO
0x02	SELECT AUTO/MAN: MANUAL
0x03	SELECT PROGRAM: CHARGE
0x04	SELECT PROGRAM: DISCHARGE
0x05	SELECT PROGRAM: CHECK
0x06	SELECT PROGRAM: CYCLE
0x07	SELECT PROGRAM: ALIVE
0x08	CHA
0x09	DIS
0x0A	CHK
0x0B	CYC
0x0C	ALV
0x0D	RDY
0x0E	ERR
0x0F	TRI

Selected Battery Capacity

HEX	Description
0x00	Automatic detection
0x01	100-200 mAh
0x02	200-350 mAh
0x03	350-600 mAh
0x04	600-900 mAh
0x05	900-1200 mAh
0x06	1200-1500 mAh
0x07	1500-2200 mAh
0x08	2200-... mAh

Charging Program State

HEX	Description
0x00	No charging program active (no battery in charger slot)
0x01	Charging (Alive)
0x02	Discharging
0x03	Charging (Cycle)
0x04	Discharging (Check)
0x05	Charging (Charge)
0x06	Discharging (Discharge)
0x07	Trickle charge
0x08	Ready (done charging)

Example Output