From: Lukáš Jiřiště <jiriste@icpf.cas.cz>
Date: Tue, 10 Dec 2024 16:13:35 +0000 (+0100)
Subject: Add a delay between gas filling and cell opening
X-Git-Url: https://git.ljiriste.work/?a=commitdiff_plain;p=Servomatic.git

Add a delay between gas filling and cell opening
---

diff --git a/Servomatic.ino b/Servomatic.ino
index 0d8363a..35d3ac4 100644
--- a/Servomatic.ino
+++ b/Servomatic.ino
@@ -19,6 +19,9 @@ static constexpr unsigned long	CELL_BARELY_OPEN_EQUILIBRATION_MS = 60000;
 static constexpr unsigned long	EVACUATION_LONG_MS = 600000;
 static constexpr unsigned long	EVACUATION_MS = 60000;
 
+// to get a reliable value for the pressure before connecting the cell
+static constexpr unsigned long	FILL_PRESSURE_DELAY_MS = 30000;
+
 static constexpr unsigned int	THREEWAY_TURNS_TO_FILL = 1;
 
 static constexpr float	MEASUREMENT_UPPER_LIMIT = 8;
@@ -74,6 +77,7 @@ void	main_loop()
 				{
 					// absorption cycle
 					threeway_fill(gas_threeway_valve, THREEWAY_TURNS_TO_FILL);
+					delay(FILL_PRESSURE_DELAY_MS);
 					cell_valve.open_barely();
 					delay(CELL_BARELY_OPEN_EQUILIBRATION_MS);
 					cell_valve.open();