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Improved ramp-down of warm-light after max hour (#7272)

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previously: warm light stays at 100% for 3 hours and then drops by 50% per hour
now: warm light stays at 100% for 4 hours and then drops by 15% per hour
This commit is contained in:
Rex Kerr
2021-02-12 17:39:47 -08:00
committed by GitHub
parent 286a6b4883
commit 2348cdb066
2 changed files with 12 additions and 8 deletions
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10
frontend/device/cervantes/powerd.lua
View File

@@ -152,18 +152,20 @@ function CervantesPowerD:calculateAutoWarmth()
local current_time = os.date("%H") + os.date("%M")/60
local max_hour = self.max_warmth_hour
local diff_time = max_hour - current_time
-- number of hours to stay at full warmth before decreasing
local warm_window = 4
if diff_time < 0 then
diff_time = diff_time + 24
end
if diff_time < 12 then
-- We are before bedtime. Use a slower progression over 5h.
self.fl_warmth = math.max(20 * (5 - diff_time), 0)
elseif diff_time > 22 then
-- Keep warmth at maximum for two hours after bedtime.
elseif diff_time > (24 - warm_window) then
-- Keep warmth at maximum for 'warm_window' hours after bedtime.
self.fl_warmth = 100
else
-- Between 2-4h after bedtime, return to zero.
self.fl_warmth = math.max(100 - 50 * (22 - diff_time), 0)
-- Decrease for each subsequent hour by 20% per hour
self.fl_warmth = math.max(100 - 20 * (24 - warm_window - diff_time), 0)
end
self.fl_warmth = math.floor(self.fl_warmth + 0.5)

10
frontend/device/kobo/powerd.lua
View File

@@ -267,18 +267,20 @@ function KoboPowerD:calculateAutoWarmth()
local current_time = os.date("%H") + os.date("%M")/60
local max_hour = self.max_warmth_hour
local diff_time = max_hour - current_time
-- number of hours to stay at full warmth before decreasing
local warm_window = 4
if diff_time < 0 then
diff_time = diff_time + 24
end
if diff_time < 12 then
-- We are before bedtime. Use a slower progression over 5h.
self.fl_warmth = math.max(20 * (5 - diff_time), 0)
elseif diff_time > 22 then
-- Keep warmth at maximum for two hours after bedtime.
elseif diff_time > (24 - warm_window) then
-- Keep warmth at maximum for 'warm_window' hours after bedtime.
self.fl_warmth = 100
else
-- Between 2-4h after bedtime, return to zero.
self.fl_warmth = math.max(100 - 50 * (22 - diff_time), 0)
-- Decrease for each subsequent hour by 20% per hour
self.fl_warmth = math.max(100 - 20 * ((24 - warm_window) - diff_time), 0)
end
self.fl_warmth = math.floor(self.fl_warmth + 0.5)
-- Make sure sysfs_light actually picks that new value up without an explicit setWarmth call...