danielinux/gadget-weather-station
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Compensate soldering offset for barometer/thermometer

Browse source
This commit is contained in:
Daniele Lacamera 2022-09-04 13:47:53 +02:00
parent 6a8399f95c
commit 3128b41aa6
1 changed files with 9 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
src/main.c
View file

@ -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);