Add scripts for rough benchmarking

host/benchmark.py

@@ -0,0 +1,44 @@
+#! /usr/bin/python
+
+import sys, os
+import time
+import random
+
+from pylibftdi import Driver, Device
+
+dev_list  = Driver().list_devices()
+if len(dev_list) != 0:
+    print "Following devices found:"
+for device_ in dev_list:
+    print device_
+
+dev = Device(device_id="FTZ17IRO", mode='b', interface_select=2)
+dev.open()
+
+
+epochs = 1024*10
+BLOCK_LEN = 2048
+tx_data = bytearray([ random.randrange(0, 256) for i in range(BLOCK_LEN)])
+ts = time.time()
+while epochs:
+
+    dev.write(tx_data)
+    rx_data = bytearray(dev.read(BLOCK_LEN))
+
+    #print "Epoch: {}".format(epochs) 
+    failed = False
+    for i in range(BLOCK_LEN):
+      if ((tx_data[i]+1)%256) != rx_data[i]:
+        print "Epoch: {}".format(epochs) 
+        print "[Test] Test 2: Data verification failed! , tx_data : ", tx_data[i], " =/= rx_data : ", rx_data[i]
+        failed = True
+        print "Breaking..."
+        break
+    if failed:
+        break
+
+    epochs -= 1
+
+dev.close()
+te = time.time()
+print "Time {}".format(str(te-ts))

host/run_benchmark.py

@@ -0,0 +1,15 @@
+import os
+import sys
+import subprocess
+
+times = []
+epochs = 10
+
+while epochs:
+    run = subprocess.Popen(["python", "benchmark.py"], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    for line in run.stdout:
+        if "Time" in line:
+            times.append(float(line.split()[1]))
+
+print times
+

host/test_saturn_ft2232.py

@@ -19,7 +19,7 @@
     tx_data = bytearray(range(0, 256))
     dev.write(tx_data)
 
-    rx_data = bytearray(dev.read(257, timeout = 0))
+    rx_data = bytearray(dev.read(257))#, timeout = 0))
 
     if len(rx_data) == 256 :
       print "\n\n[Test] Test 1 Passed: Sent 256 bytes of data, received 256 bytes of data"