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add a couple of sanity checks for the battery values

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Richard Hughes 2008-07-25 16:55:28 +01:00
parent 32df1e0cc1
commit 2ed6ed8019
1 changed files with 10 additions and 0 deletions
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10
src/devkit-power-source.c
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@ -576,6 +576,10 @@ update_battery (DevkitPowerSource *source)
source->priv->battery_energy_full_design =
sysfs_get_double (source->priv->native_path, "energy_full_design") / 1000000.0;
/* the last full cannot be bigger than the design */
if (source->priv->battery_energy_full > source->priv->battery_energy_full_design)
source->priv->battery_energy_full = source->priv->battery_energy_full_design;
/* calculate how broken our battery is */
source->priv->battery_capacity = source->priv->battery_energy_full_design /
source->priv->battery_energy_full * 100.0f;
@ -596,6 +600,12 @@ update_battery (DevkitPowerSource *source)
sysfs_get_double (source->priv->native_path, "energy_now") / 1000000.0;
source->priv->battery_energy_rate =
fabs (sysfs_get_double (source->priv->native_path, "current_now") / 1000000.0);
/* sanity check to less than 100W */
if (source->priv->battery_energy_rate > 100*1000)
source->priv->battery_energy_rate = -1;
/* discharging has a negative rate */
if (is_charging)
source->priv->battery_energy_rate *= -1.0;