major correction about injection current procedure.

adds a dead time after the power injection has been cut off

major correction about injection current procedure.
adds a dead time after the power injection has been cut off
a581ed1b · Clement Remi · 22b81d87 · a581ed1b
Commit a581ed1b authored 4 years ago by Clement Remi
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--- a/Ohmpy.py
+++ b/Ohmpy.py
@@ -117,6 +117,7 @@ def run_measurement(nb_stack, injection_deltat, Rref, coefp0, coefp1, coefp2, co
        Vm1 = AnalogIn(ads,ADS.P2).voltage * coefp2# reading voltage value on ADS channel A2
        Vn1 = AnalogIn(ads,ADS.P3).voltage * coefp3# reading voltage value on ADS channel A3
        GPIO.output(8, GPIO.LOW)# stop current injection
+        time.sleep(injection_deltat) # Dead time equivalent to the duration of the current injection pulse
        I1= (Ia1 - Ib1)/Rref
        sum_I=sum_I+I1
        Vmn1= (Vm1 - Vn1)