Showing changes from revision #5 to #6:
Added | Removed | Changed
# | Description |
---|---|
0 | Version number and memory map of BMU microcode |
1 | Battery capacity (nominal), in units of 11.7mAh? |
2 | Battery capacity (measured), in units of 11.7mAh? |
3 | Battery capacity (used), in units of 11.7mAh |
4 | Battery capacity (useable), in units of 11.7mAh |
5 | (reserved) |
6 | Charge estimate (may be written to), in units of 11.7mAh. 255 = unknown/invalid. |
7 | Instantaneous voltage |
8 | Instantaneous current, in units of 10.3mA |
9 | Instantaneous temperature |
10 | Flags |
11 | Charge rate (in bits 4 – 7) |
12 | Charge current |
13 | Discharge current |
14 | Voltage |
15 | Temperature 1 |
16 | Temperature 2 |
17 | Charge level |
18 | Status flags (as variable 10) |
19 | Input signals |
20 | Battery capacity |
21 | Battery time remaining, in seconds |
22 | Max battery life, in seconds |
Variables shown with a grey background are deprecated, and their use should be avoided. 4
# | Description | Units |
---|---|---|
0 | Version number and memory map of BMU microcode | |
1 | Battery capacity (nominal) | mAh 1 |
2 | Battery capacity (measured) | mAh 1 |
3 | Battery capacity (used) | mAh 1 |
4 | Battery capacity (useable) | mAh 1 |
5 | (reserved) | |
6 | Charge estimate (may be written to) | mAh 1 |
7 | Instantaneous voltage | mV 2 |
8 | Instantaneous current | mA 3 |
9 | Instantaneous temperature | 0.1K 2 |
10 | Flags | |
11 | Charge rate (in bits 4 – 7) | |
12 | Charge current | |
13 | Discharge current | |
14 | Voltage | |
15 | Temperature 1 | |
16 | Temperature 2 | |
17 | Charge level | |
18 | Status flags (as variable 10) | |
19 | Input signals | |
20 | Battery capacity | |
21 | Battery time remaining | Seconds |
22 | Max battery life | Seconds |
23 | Battery percentage remaining | 0-100 |
24 | Charge time remaining | Seconds |
25 | Charge cycle count | |
26 | Smoothed voltage | mV |
27 | Smoothed current | mA |
28 | Nominal available capacity | mAh |
29 | Compensated available capacity | mAh |
# | Meaning when set |
---|---|
0 | Battery |
1 | Lid open |
2 | Battery flat (threshold 2 reached) [shutdown now] |
3 | Battery low (threshold 1 reached) [warn user] |
4 | Fault in charging system |
5 | Charge state known |
6 | Battery present |
7 | Charger connected |
8 | Battery charging |
Not all BMU variables or flags are available in all variants of the module. See the Portable Feature Matrix for more details (BMU variables, flags)
1 Units are 11.7mAh in the A4 version of the Portable module
2 Units are unknown in the A4 version of the Portable module
3 Units are 10.3mA in the A4 version of the Portable module
4 The variables shown with a grey background are deprecated, for the following reasons: