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`print_battery_info` computes `batt_info.percentage_remaining` by
dividing batt_info.remaining by `full`. If `full` is `0` then the
battery remaining will be reported as "inf".
Before this, it tries to set `full` to either the design capacity or to
the last known good charge. It determines if these values are available
by checking whether their fields in `batt_info` are non-negative. As it
initialized `batt_info` with values of `-1`, a non-negative value
implies that something has provided a value.
`slurp_all_batteries` and `add_battery_info` however initialize these
fields to zero, so if these functions are called then
`batt_info.full_design` will always be used.
This means that on systems that don't provide a value for design
capacity the percentage remaining will be reported as "inf", unless the
user has set `last_full_capacity` to `true` in their `i3status.conf`.
This patch changes `print_battery_info` to expect values for the battery
capacity to be strictly greater than zero. This seems reasonable as a
battery with a capacity of zero isn't useful.
An alternative solution would be to change `slurp_all_batteries` and
`add_battery_info` to initialize `batt_info` with `-1`, as
`print_battery_info` does. This is less appealing as `add_battery_info`
is accumulating the values, so using `-1` would introduce off-by-one
errors without additional code to avoid them.
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The Linux power supply class defines three entries to provide battery status.
One of them wasn't used: POWER_SUPPLY_CAPACITY.
https://www.kernel.org/doc/Documentation/power/power_supply_class.txt
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estimate only has a granularity of minutes.
From tb@openbsd.org
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Using title number all, this enables aggregates. Note that FreeBSD and
OpenBSD previously only reported aggregates, so this is bringing Linux
and NetBSD that functionality.
Changes the default battery reporting to the aggregate since most
users probably don't care about individual batteries. For single-battery
systems there should be no change.
Fixes one obvious memory leak in NetBSD.
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Should make it more resilient to future ambiguities in uevent.
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Signed-off-by: Tomasz Nitecki <tnnn@tnnn.pl>
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This allows OSes that support reporting multiple batteries to simply
sum into full_design,full_last,remaining and let print_battery_info
make computations.
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This is in preparation for moving the ratio computation code out of
slurp_battery_info to support aggregating multiple batteries.
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For time estimates when charging.
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The isspace macro is just a table lookup.
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Doing strlen(a) == strlen(b) && strncmp(a, b, N) seems to have no
benefits compared to just strcmp(a, b). The NetBSD cstring properties
come from the kernel, not the user.
The test for units did a prefix match, but that looked like a bug, the
unit is "Watt hour" in my Virtual box.
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the output formatter.
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This was probably a bug since it makes no sense to have here.
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This uses the more direct tests of whether percentage_remaining and
seconds_remaining are available or not (rather than looking at
present_rate).
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This changes the behavior for NetBSD: previously this time was not
shown while charging. On Linux it was treated as "full time". This
change makes all OSes behave the same.
OpenBSD and FreeBSD did not support emptytime previously.
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remaining time is always 00:00:00. When the battery is discharging, the remaining time will show up again if the user has set their format correctly.
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The hw.acpi.battery.state sysctl returns a bitmask of flags as
defined in <dev/acpica/acpiio.h>. Use constants from this header
to examine the state and check for the charging flag to determine
if the battery is charging.
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From here on, we’ll use clang-format to automatically format the source.
This has worked well in i3, so we are introducing it for i3status.
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The boolean flag 'watt_as_unit' may be used without being initialized if the
configured battery path does not contain expected statistics (for example if
it is misconfigured and points to AC adapter info or simply an unrelated file).
Even though it does not cause ill effects, it causes a warning (true positive)
when running i3status under Valgrind. Initialize the variable to make code
well-defined.
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dicharching, full)
Replaced hard coded status strings (CHR, BAT, FULL) in
print_battery_info.c with user defined strings. The new strings are
'status_chr', 'status_bat' and 'status_full' and can be set in i3status.conf.
e.g.
status_chr = "⚡ CHR"
If any of the new status strings is omitted the standard strings (CHR,
BAT, FULL) are used.
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In my case, the voltage variable would stay initialized as -1,
which caused the calculation of battery charge percentage to be
incorrect (I would get the message that there is no battery present
or even -0% charge).
I have no idea how this would affect other systems, since I don't
have a chance to test this.
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Apparently some notebooks report a negative current, whereas most don’t.
fixes #1249
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This patch takes a similar approach as the NetBSD CPU temperature
code in that it uses proplib(3) to walk dictionaries supplied by
envsys(4).
In addition to providing the basic functionality, it:
* Provides all existing format specifiers (%emptytime %consumption
%status %percentage %remaining)
* Respects all existing config options (hide_seconds, low_threshold,
integer_battery_capacity, last_full_capacity)
* Projects "time until full" when battery status is CS_CHARGING
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* strncmp(s1, s2, strlen(s2)) → BEGINS_WITH(s1, s2)
* strncmp(s1, s2, strlen(s1)) → strcmp(s1, s2)
* Prefer case-insensitive comparison for options
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fixes: #1134
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On some systems, the discharge rate may be missing, although the battery
is still working. This leads to an edge case on Linux systems in which
the output may not be colorized although a threshold was defined.
This commit fixes the behavior by colorizing output if threshold_type is
set to "percentage". Since we cannot calculate remaining time without
discharge rate, output is still uncolorized in case of threshold_type
set to "time".
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- fix the battery status printing in %status.
- fix remaining time when we're charging.
- use colors to indicate battery status.
- small cleanups.
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If the battery is not discharging it may be not possible to give information on
remaining time or consumption. The resulting strings (%remaining, %consumption,
%emptytime) are empty then. But because they are in the format string, the
output string contains unnecessary spaces in this case.
This commit makes i3status strip these spaces.
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