Changed variables for floating point math

COVID-19-electronic-health-system · Aug 6, 2020 · caede89 · caede89
1 parent bf22a65
commit caede89
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diff --git a/board/driver/mpx5100.h b/board/driver/mpx5100.h
@@ -2,7 +2,7 @@
 #define MPX5100_H
 
 #include "../driver/adc.h"
-#define MAX_PRESSURE 120 // Pressure in KPa
+#define MAX_PRESSURE 120.0 // Pressure in KPa
 
 float pascal, adc_val;
 void getPascal(void);

diff --git a/board/mpx5100/mpx5100.c b/board/mpx5100/mpx5100.c
@@ -2,6 +2,6 @@
 
 void getPascal(void) {
 	adc_val = adcRead();
-	pascal = ((adc_val / 1023) * MAX_PRESSURE) * 1000;
+	pascal = ((adc_val / 1023.0) * MAX_PRESSURE) * 1000.0;
  	printf("%.2f Pa\n" pascal);
 }