Data point mapping

SYSTEM_CAN_MESSAGE_SOLAR_DATA (59) has two fields, data_point_type and data_value. There are two solar boards, one with 5 MPPTs and one with 6, each of which is transmitting the same data point types but for different MPPTs/thermistors; they’re distinguishable by their device IDs. The data point type defines the type of data being sent according the the following table.

ID	Meaning	Unit

ID	Meaning	Unit
0	Voltage across MPPT 0	mV
1	Voltage across MPPT 1	mV
2	Voltage across MPPT 2	mV
3	Voltage across MPPT 3	mV
4	Voltage across MPPT 4	mV
5	Voltage across MPPT 5 (only on 6 MPPT board)	mV
6-7	(reserved)
8	Current through the whole array	µA
9-15	(reserved)
16	Temperature of array thermistor 0	d°C (deciCelsius)
17	Temperature of array thermistor 1	d°C
18	Temperature of array thermistor 2	d°C
19	Temperature of array thermistor 3	d°C
20	Temperature of array thermistor 4	d°C
21	5 MPPT board: ambient temperature from fan control 6 MPPT board: temperature of array thermistor 5	d°C
22-23	(reserved)
24	MPPT 0 input voltage	mV
25	MPPT 1 input voltage	mV
26	MPPT 2 input voltage	mV
27	MPPT 3 input voltage	mV
28	MPPT 4 input voltage	mV
29	MPPT 5 input voltage (only on 6 MPPT board)	mV
30-31	(reserved)
32	MPPT 0 input current	µA
33	MPPT 1 input current	µA
34	MPPT 2 input current	µA
35	MPPT 3 input current	µA
36	MPPT 4 input current	µA
37	MPPT 5 input current (only on 6 MPPT board)	µA
38-39	(reserved)
40	MPPT 0 PWM duty cycle	/1000 (fraction out of 1000)
41	MPPT 1 PWM duty cycle	/1000
42	MPPT 2 PWM duty cycle	/1000
43	MPPT 3 PWM duty cycle	/1000
44	MPPT 4 PWM duty cycle	/1000
45	MPPT 5 PWM duty cycle (only on 6 MPPT board)	/1000
46-47	(reserved)
48	MPPT 0 status	9 bits total: 4 bits: overcurrent flags for 4 channels in MPPT 1 bit: overvoltage 1 bit: overtemperature 1 bit: “CR”, whatever that is
49	MPPT 1 status	^ as above
50	MPPT 2 status	^ as above
51	MPPT 3 status	^ as above
52	MPPT 4 status	^ as above
53	MPPT 5 status (only on 6 MPPT board)	^ as above