From 3128b41aa600464effd75dc771c2500729b0cbdb Mon Sep 17 00:00:00 2001
From: Daniele Lacamera <dan@danielinux.net>
Date: Sun, 4 Sep 2022 13:47:53 +0200
Subject: [PATCH] Compensate soldering offset for barometer/thermometer

---
 src/main.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/main.c b/src/main.c
index 4a100c7..7a32b3f 100644
--- a/src/main.c
+++ b/src/main.c
@@ -5,6 +5,11 @@
 #include "minmea.h"
 
 //#define HZ2MS(X) ((uint64_t)((X * 53000.0)/(SystemCoreClock)))
+//
+#define BMP180_SOLDERING_OFF_T 190
+#define BMP180_SOLDERING_OFF_P 12050
+
+
 
 
 void init_uart0(void)
@@ -412,9 +417,6 @@ int main(void)
     /* Read calibration registers */
     bmp180_calibrate();
 
-
-
-
     while (1)
     {
         read_gps(&gps_data);
@@ -430,6 +432,10 @@ int main(void)
         LCD_ShowString(0, 48, (u8 *)(prs), GREEN);
         LCD_ShowString(0, 64, (u8 *)(tmp), GREEN);
 
+        /* Device offset */
+        ut -= BMP180_SOLDERING_OFF_T;
+        up -= BMP180_SOLDERING_OFF_P;
+
         temperature = compensate_temperature(ut);
         pressure = compensate_pressure(up);
         snprintf(tmp, MAX_ROW - 1, "T: %d", temperature);