diff options
Diffstat (limited to 'Stomps/read_stomp.py')
| -rw-r--r-- | Stomps/read_stomp.py | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/Stomps/read_stomp.py b/Stomps/read_stomp.py index 516db24..65dcdae 100644 --- a/Stomps/read_stomp.py +++ b/Stomps/read_stomp.py @@ -1,8 +1,15 @@ +# Quick and simple Python 2 script to read the raw bytes, +# from a stomp device on the Quad Cortex. + +from datetime import datetime + class StompEvent: def __init__(self, raw_bytes): self.raw_bytes = raw_bytes self.action = "unknown" self.value = "unknown" + self.system_epoch = datetime.now().strftime("%s") + self.system_datetime = datetime.now() self.decode_bytes() def print_bytes(self): @@ -13,15 +20,20 @@ class StompEvent: print '---'*32 def decode_bytes(self): + self.decode_action() + self.decode_value() + self.decode_time() + + def decode_action(self): action_byte_1 = self.raw_bytes[10].encode('hex') action_byte_2 = self.raw_bytes[11].encode('hex') - value_byte = self.raw_bytes[12].encode('hex') - if(action_byte_1 == "11" and action_byte_2 == "01"): self.action = "button" elif(action_byte_1 == "08" and action_byte_2 == "00"): self.action = "rotary" + def decode_value(self): + value_byte = self.raw_bytes[12].encode('hex') if(value_byte == "00"): self.value = "released" elif(value_byte == "01"): @@ -32,8 +44,18 @@ class StompEvent: elif(value_byte == "ff"): self.value = "counter clock" + def decode_time(self): + # the first 4 bytes form the time + time_bytes = self.raw_bytes[0:4] + time_bytes.reverse() + time_hex = "" + for i in range(len(time_bytes)): + time_hex = time_hex + time_bytes[i].encode('hex') + self.epoch = int(time_hex, 16) + self.date_time = datetime.fromtimestamp(self.epoch) + def __str__(self): - return "Action: " + self.action + " | Value: " + self.value + return "Action: " + self.action + "\nValue: " + self.value + "\nEpoch: " + str(self.epoch) + "\nDatetime: " + str(self.date_time) with open('/dev/zencoder/knob_stomp2', 'rb') as file: byte_buffer = [] |