From 29fdb2c512e2b0576faf4011a2311200300335be Mon Sep 17 00:00:00 2001
From: Avi Levkovich <avi@twine-s.com>
Date: Wed, 8 Aug 2018 16:46:19 +0300
Subject: fix bug in Dispenser Pressure calculation

---
 Software/Embedded_SW/Embedded/Modules/IDS/IDS_init.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'Software/Embedded_SW/Embedded/Modules')

diff --git a/Software/Embedded_SW/Embedded/Modules/IDS/IDS_init.c b/Software/Embedded_SW/Embedded/Modules/IDS/IDS_init.c
index 374ab444f..87274f904 100644
--- a/Software/Embedded_SW/Embedded/Modules/IDS/IDS_init.c
+++ b/Software/Embedded_SW/Embedded/Modules/IDS/IDS_init.c
@@ -35,9 +35,9 @@ void Calculateinit (void)
     Bits_0Pascal = Vlow * 4096 / 3; // Vlow * 4096bit / 3Vref = 709.973328 bits
     Bits_1MPascal = VHigh * 4096 / 3; // VHigh * 4096bit / 3Vref = 3549.86646 bits
 
-    a = (1 - 0) / (Bits_1MPascal - Bits_0Pascal);// Mpascal/Bits = 0.000352125
+    float a = (Bits_1MPascal - Bits_0Pascal) / (1 - 0) ;// Mpascal/Bits =
 
-    b = 0 - (a * Bits_0Pascal );
+    float b = Bits_0Pascal - (a * 0 );
 
 }
 float CalculateDispenserPressure (int DispenserId)
@@ -58,7 +58,7 @@ float CalculateDispenserPressure (int DispenserId)
     if(data<Bits_0Pascal)
         data = Bits_0Pascal;//40mA 0Bar
 
-    temp = a * data + b;
+    temp = (data - b) / a;
 
     DispenserPressure[DispenserId] = temp; // [Mpascal] ( 1 Mpascal = 10 Bar )
 
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