Update with nidaqmx

Author: pradeeban

nintan/pstim.py

@@ -3,6 +3,11 @@
 import time
 import threading
 
+from hardware.util_functions import *
+import nidaqmx
+from nidaqmx.constants import AcquisitionType
+from nidaqmx.stream_writers import DigitalSingleChannelWriter
+
 global uglobal
 uglobal = 0.5
 PULSE_WIDTH = 10
@@ -14,13 +19,23 @@ def pwm():
             ulocal = 0.0
         if ulocal > 1.0:
             ulocal = 1.0
-        print("+")
-        time.sleep(PULSE_WIDTH*ulocal)
-        print("-")
-        time.sleep(PULSE_WIDTH*(1.0-ulocal))
+        
+        writer.write_one_sample_one_line(data=1,timeout=10)
+        accurate_delay(PULSE_WIDTH*ulocal)
+        writer.write_one_sample_one_line(data=0,timeout=10)
+        accurate_delay(PULSE_WIDTH*(1.0-ulocal))
+
+        # print("+")
+        # time.sleep(PULSE_WIDTH*ulocal)
+        # print("-")
+        # time.sleep(PULSE_WIDTH*(1.0-ulocal))
 
 pwm_thread = threading.Thread(target=pwm, daemon=True)
 
+task = nidaqmx.Task()
+task.do_channels.add_do_chan("Dev1/port0/line0")
+writer = DigitalSingleChannelWriter(task.out_stream)
+        
 concore.delay = 0.001
 init_simtime_u = "[0.0, 0.0, 0.0]"
 init_simtime_ym = "[0.0, 0.0, 0.0]"