Add some notes

README.md

@@ -12,3 +12,8 @@ make install
 cd /srv/crawler
 git pull
 ```
+
+
+# Notes
+
+[Uart Stuff](https://www.reddit.com/r/raspberry_pi/comments/833qux/binary_file_tranfer_via_uart/)

crawler_software/raspberry_pi/tests/otp/otp_test.py

@@ -1,15 +1,25 @@
-import time, pyotp
+from random import randrange
+import time, pyotp, datetime
 
-totp = pyotp.TOTP(pyotp.random_base32())
+hotp = pyotp.HOTP(pyotp.random_base32())
 
-code = totp.now()
+success = 0
+num_tries = 20
 
-for i in range(0,60):
+for i in range(0,num_tries):
+    epoch = int(time.time())
+    code = hotp.at(epoch)
+    print('------------------------')
+    print(f'Made a code {code} at {epoch}, sending a simualted instruction')
 
-    if totp.verify(code):
+    waittime = randrange(5)
-        print(f'{code} verified fine at t+{i}')
+    print(f'Instuction will take {waittime} seconds to receive or be recieved')
+    time.sleep(waittime)
+
+    if hotp.verify(code, epoch):
+        print(f'code:{code} verified')
+        success += 1
     else:
-        print(f'{code} expired at t+{i}')
+        print(f'code:{code} expired')
-        break
 
-    time.sleep(1)
+print(f'Succeded {success} out of {num_tries} tries')