From ba663a7dab9c132695da3ff949cbedc516817a13 Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Mon, 15 Jan 2024 00:33:32 +0100
Subject: Implemented naive scheduling

---
 wakeup.lua | 46 ++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 40 insertions(+), 6 deletions(-)

(limited to 'wakeup.lua')

diff --git a/wakeup.lua b/wakeup.lua
index 9239fe1..9b5b6a4 100644
--- a/wakeup.lua
+++ b/wakeup.lua
@@ -61,18 +61,52 @@ function wakeup:sendout (interval, times, after)
 end
 
 
+function wakeup:now ()
+	local time = rtctime.epoch2cal(rtctime.get())
+	time.year = nil
+	time.sec = nil
+	return time
+end
+
+
+local
+function compare (time, pattern)
+	for key, value in pairs(pattern) do
+		if time[key] ~= value then
+			return false
+		end
+	end
+	return true
+end
+
+
 function wakeup:init ()
 	gpio.write(4, gpio.HIGH)
 	gpio.mode(4, gpio.OUTPUT)
 	self.data = magic_packet(self.mac)
 
 	wifi.eventmon.register(wifi.eventmon.STA_GOT_IP, function ()
-		gpio.write(4, gpio.LOW)
-
-		self:sendout(500, 5, function ()
-			wifi.setmode(wifi.NULLMODE, false)
-			gpio.write(4, gpio.HIGH)
-		end)
+		sntp.sync(
+			self.sntp,
+			function ()
+				if compare(self:now(), self.when) then
+					gpio.write(4, gpio.LOW)
+					self:sendout(500, 5, function ()
+						wifi.setmode(wifi.NULLMODE, false)
+						gpio.write(4, gpio.HIGH)
+					end)
+				else
+					print("Not yet time")
+					wifi.setmode(wifi.NULLMODE, false)
+					tmr.create():alarm(25000, tmr.ALARM_SINGLE, function ()
+						self:run()
+					end)
+				end
+			end,
+			function (code, err)
+				print("SNTP sync failed", code, err)
+				node.restart()
+			end)
 	end)
 end
 
-- 
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