comparison: slotUI/freeslot.py
slotUI/freeslot.py
- changeset 26
- 4af697fa5ea9
- parent 25
- 646ee4dc3a6b
- child 27
- 3e617fcf999a
equal
deleted
inserted
replaced
| 25:646ee4dc3a6b | 26:4af697fa5ea9 |
|---|---|
| 1 """ | 1 """ |
| 2 FreeSlot project | 2 FreeSlot project |
| 3 Blackbox communication library | 3 Blackbox communication library |
| 4 """ | 4 """ |
| 5 | 5 |
| 6 from serial import Serial | |
| 7 | |
| 6 class SerialCommunicator(): | 8 class SerialCommunicator(): |
| 7 def __init__(self, device, speed): | 9 def __init__(self, device, speed): |
| 8 self.device = device | 10 self.device = device |
| 9 self.speed = speed | 11 self.speed = speed |
| 10 self.port = None | 12 self.com = None |
| 11 self.connected = False | 13 self.connected = False |
| 12 | 14 |
| 13 def connect(self): | 15 def connect(self): |
| 14 if self.connected: | 16 if self.connected: |
| 15 return True | 17 return True |
| 18 self.com = Serial(self.device, baudrate=self.speed, xonxoff=0, timeout=1) | |
| 19 self.connected = True | |
| 20 return True | |
| 16 | 21 |
| 17 def disconnect(self): | 22 def disconnect(self): |
| 23 self.com = None | |
| 18 return True | 24 return True |
| 19 | 25 |
| 20 def write(self): | 26 def write(self, msg, getanswer=False): |
| 21 return True | 27 self.com.write(msg + "\n") |
| 28 if getanswer: | |
| 29 return self.readline() | |
| 30 return None | |
| 22 | 31 |
| 23 def read(self): | 32 def readline(self): |
| 24 return True | 33 answer = self.com.readline() |
| 34 return string.strip(answer, "\n") | |
| 25 | 35 |
| 26 class Blackbox(): | 36 class Blackbox(): |
| 27 def __init__(self): | 37 def __init__(self): |
| 28 self.com = None | 38 self.com = None |
| 29 self.info = None | 39 self.info = None |
| 30 | 40 |
| 31 def connect(self, device="/dev/ttyUSB0", speed=115200): | 41 def connect(self, device="/dev/ttyUSB0", speed=115200): |
| 32 if self.com == None: | 42 if self.com == None: |
| 33 self.com = SerialCommunicator(device, speed) | 43 self.com = SerialCommunicator(device, speed) |
| 44 if self.com.connected: | |
| 45 self.com.disconnect() | |
| 34 self.com.connect() | 46 self.com.connect() |
| 35 self.info = self.readinfo() | 47 self.info = self.readinfo() |
| 36 | 48 |
| 37 def disconnect(): | 49 def disconnect(): |
| 38 self.com.disconnect() | 50 self.com.disconnect() |
| 39 | 51 |
| 40 def readinfo(): | 52 def readinfo(): |
| 41 """ | 53 """ |
| 42 Read complete Information from connected box | 54 Read complete Information from connected box |
| 55 This does not include race+car status! | |
| 43 """ | 56 """ |
| 44 return None | 57 return None |
| 58 | |
| 59 def progcar(self, carid, command, value): | |
| 60 """ | |
| 61 Send program packets to specified car id | |
| 62 valid command: speed, brake | |
| 63 valid value: 4 bit integer (0..15) | |
| 64 """ | |
| 65 return True | |
| 66 | |
| 67 def setmode(self, mode): | |
| 68 """ | |
| 69 Switch the Blackbox mode | |
| 70 Valid modes are: idle, prepare, race | |
| 71 note: box will permanently send status info in race mode, so no | |
| 72 polling is required | |
| 73 """ | |
| 74 return True | |
| 75 | |
| 76 def getmode(self): | |
| 77 self.readinfo() | |
| 78 return self.info["mode"] |
