the hardware parameters have been remove from the json file and put back in...

the hardware parameters have been remove from the json file and put back in the may code. the export path is now an absolute path.

ohmpi.py

@@ -157,6 +157,15 @@ for i in pinList:
     GPIO.setup(i, GPIO.OUT)
     GPIO.output(i, GPIO.HIGH)
 
+"""
+Hardware parameters
+"""
+R_ref = 50 # reference resistance value in ohm
+coef_p0 = 2.5 # slope for the current conversion for ADS.P0, measurement in V/V
+coef_p1 = 2.5 # slope for the current conversion for ADS.P1, measurement in V/V
+coef_p2 = 2.5 # slope for the current conversion for ADS.P2, measurement in V/V
+coef_p3 = 2.5 # slope for the current conversion for ADS.P3, measurement in V/V
+
 """
 Main loop
 """
@@ -169,7 +178,7 @@ for g in range(0,pardict.get("nbr_meas")): # for time-lapse monitoring
         switch_mux(N[i,])
 
         # run a measurement
-        current_measurement = run_measurement(pardict.get("stack"), pardict.get("injection_duration"), pardict.get("R_ref"), pardict.get("coef_p0"), pardict.get("coef_p1"), pardict.get("coef_p2"), pardict.get("coef_p3"), N[i,])
+        current_measurement = run_measurement(pardict.get("stack"), pardict.get("injection_duration"), R_ref, coef_p0, coef_p1, coef_p2, coef_p3, N[i,])
 
         # save data and print in a text file
         append_and_save(pardict.get("export_path"), current_measurement)

ohmpi_param.json

@@ -4,10 +4,5 @@
     "nbr_meas": 1,
     "sequence_delay": 30,
     "stack": 1,
-    "R_ref": 50,
-    "coef_p0": 2.02,
-    "coef_p1": 2.02,
-    "coef_p2": 1,
-    "coef_p3": 1,
-    "export_path": "~/measurement.csv" 
+    "export_path": "home/pi/Desktop/measurement.csv" 
 }
\ No newline at end of file