- added delay line for pot sim

components/plant/delay.py

@@ -0,0 +1,32 @@
+import numpy as np
+
+
+class Delay:
+	def __init__(self, dt, delay):
+		nd = int(delay/dt + 0.5)
+		self.delay_line = np.zeros(nd)
+		self.ri = 0
+		self.wi = 0
+
+	def put(self, data):
+		if self.wi >= self.delay_line.size:
+			self.wi = 0
+		self.delay_line[self.wi] = data
+		self.wi += 1
+
+	def get(self):
+		self.ri += 1
+		if self.ri >= self.delay_line.size:
+			self.ri = 0
+
+		result = self.delay_line[self.ri]
+
+		return result
+
+
+if __name__ == '__main__':
+	d = Delay(1, 10)
+
+	for i in range(1, 20):
+		d.put(i)
+		print("In = {}, out = {}".format(i, d.get()))