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NVIDIA-AI-IOT / jetracer

An autonomous AI racecar using NVIDIA Jetson Nano
MIT License
1.06k stars 319 forks source link

小车移动 #61

Closed Aubuty closed 2 years ago

Aubuty commented 4 years ago

TimeoutError Traceback (most recent call last) /usr/local/lib/python3.6/dist-packages/adafruit_circuitpython_busdevice-4.1.1-py3.6.egg/adafruit_bus_device/i2c_device.py in __probe_for_device(self) 162 try: --> 163 self.i2c.writeto(self.device_address, b'') 164 except OSError:

/usr/local/lib/python3.6/dist-packages/Adafruit_Blinka-3.3.4-py3.6.egg/busio.py in writeto(self, address, buffer, start, end, stop) 83 return self._i2c.writeto(address, memoryview(buffer)[start:end], stop=stop) ---> 84 return self._i2c.writeto(address, buffer, stop=stop) 85

/usr/local/lib/python3.6/dist-packages/Adafruit_Blinka-3.3.4-py3.6.egg/adafruit_blinka/microcontroller/generic_linux/i2c.py in writeto(self, address, buffer, start, end, stop) 37 end = len(buffer) ---> 38 self._i2c_bus.write_bytes(address, buffer[start:end]) 39

/usr/local/lib/python3.6/dist-packages/Adafruit_PureIO/smbus.py in write_bytes(self, addr, buf) 255 self._select_device(addr) --> 256 self._device.write(buf) 257

TimeoutError: [Errno 110] Connection timed out

During handling of the above exception, another exception occurred:

OSError Traceback (most recent call last) /usr/local/lib/python3.6/dist-packages/adafruit_circuitpython_busdevice-4.1.1-py3.6.egg/adafruit_bus_device/i2c_device.py in __probe_for_device(self) 168 result = bytearray(1) --> 169 self.i2c.readfrom_into(self.device_address, result) 170 except OSError:

/usr/local/lib/python3.6/dist-packages/Adafruit_Blinka-3.3.4-py3.6.egg/busio.py in readfrom_into(self, address, buffer, start, end) 73 stop = True # remove for efficiency later ---> 74 return self._i2c.readfrom_into(address, buffer, stop=stop) 75

/usr/local/lib/python3.6/dist-packages/Adafruit_Blinka-3.3.4-py3.6.egg/adafruit_blinka/microcontroller/generic_linux/i2c.py in readfrom_into(self, address, buffer, start, end, stop) 43 ---> 44 readin = self._i2c_bus.read_bytes(address, end-start) 45 for i in range(end-start):

/usr/local/lib/python3.6/dist-packages/Adafruit_PureIO/smbus.py in read_bytes(self, addr, number) 154 self._select_device(addr) --> 155 return self._device.read(number) 156

OSError: [Errno 121] Remote I/O error

During handling of the above exception, another exception occurred:

ValueError Traceback (most recent call last)

in 1 from jetracer.nvidia_racecar import NvidiaRacecar 2 ----> 3 car = NvidiaRacecar() /usr/local/lib/python3.6/dist-packages/jetracer-0.0.0-py3.6.egg/jetracer/nvidia_racecar.py in __init__(self, *args, **kwargs) 16 super(NvidiaRacecar, self).__init__(*args, **kwargs) 17 self.kit = ServoKit(channels=16, address=self.i2c_address1) ---> 18 self.motor = ServoKit(channels=16, address=self.i2c_address2) 19 self.motor._pca.frequency = 1600 20 self.steering_motor = self.kit.continuous_servo[self.steering_channel] /usr/local/lib/python3.6/dist-packages/adafruit_circuitpython_servokit-1.1.0-py3.6.egg/adafruit_servokit.py in __init__(self, channels, i2c, address, reference_clock_speed) 84 if i2c is None: 85 i2c = board.I2C() ---> 86 self._pca = PCA9685(i2c, address=address, reference_clock_speed=reference_clock_speed) 87 self._pca.frequency = 50 88 /usr/local/lib/python3.6/dist-packages/adafruit_circuitpython_pca9685-3.2.5-py3.6.egg/adafruit_pca9685.py in __init__(self, i2c_bus, address, reference_clock_speed) 129 130 def __init__(self, i2c_bus, *, address=0x40, reference_clock_speed=25000000): --> 131 self.i2c_device = i2c_device.I2CDevice(i2c_bus, address) 132 self.channels = PCAChannels(self) 133 """Sequence of 16 `PWMChannel` objects. One for each channel.""" /usr/local/lib/python3.6/dist-packages/adafruit_circuitpython_busdevice-4.1.1-py3.6.egg/adafruit_bus_device/i2c_device.py in __init__(self, i2c, device_address, probe) 65 66 if probe: ---> 67 self.__probe_for_device() 68 69 def readinto(self, buf, **kwargs): /usr/local/lib/python3.6/dist-packages/adafruit_circuitpython_busdevice-4.1.1-py3.6.egg/adafruit_bus_device/i2c_device.py in __probe_for_device(self) 169 self.i2c.readfrom_into(self.device_address, result) 170 except OSError: --> 171 raise ValueError("No I2C device at address: %x" % self.device_address) 172 finally: 173 self.i2c.unlock() ValueError: No I2C device at address: 60 这是为什么啊