Diff: project_defines.h

Revision:

9:95fdcdc0977e

Parent:

8:208d965a3bd2

Child:

10:b2d87404309a

--- a/project_defines.h	Thu Apr 23 17:05:36 2020 +0000
+++ b/project_defines.h	Sun Apr 26 08:50:12 2020 +0000
@@ -113,14 +113,23 @@
 #define PRESSURE_SENSOR_01_SRA                          (PRESSURE_SENSOR_01_SWA  | 1)
 #define PRESSURE_SENSOR_02_SRA                          (PRESSURE_SENSOR_02_SWA  | 1)
 
-#define VOLUME_DISPLAY_THRESHOLD                        0.01f
+#define PRESSURE_SENSOR_OUTPUT_MAX                      14745
+#define PRESSURE_SENSOR_OUTPUT_MIN                      1638
+#define PRESSURE_SENSOR_PRESSURE_MAX                    5.0f
+#define PRESSURE_SENSOR_PRESSURE_MIN                    0.0f
+#define PRESSURE_SENSOR_OFFSET_PSI                      0.0284467f
+
+#define VOLUME_DISPLAY_THRESHOLD                        0.1f
 #define FLOW_DISPLAY_THRESHOLD                          0.01f
-#define PRESSURE_DISPLAY_THRESHOLD                      0.01f
+#define PRESSURE_DISPLAY_THRESHOLD                      0.001f
 
-#define PSI_TO_CMH2O_CONSTANT                           70.307
+#define PSI_TO_CMH2O_CONSTANT                           70.306957829636f
 #define SPIROMETER_SENSOR_CONSTANT                      1.0f
 
 #define PRESSURE_SENSOR_READ_PERIOD_MS                  1
+#define LPF_CUTOFF_FREQ_HZ                              10.0f
+#define LPF_RC_CONSTANT_SEC                             (1/(6.2832*LPF_CUTOFF_FREQ_HZ))
+
 
 /* Defines for the stepper motor control */ 
 #define TO_HOME                                         0