search

dusty-nv / jetbot_ros

ROS nodes and Gazebo model for NVIDIA JetBot with Jetson Nano
MIT License
382 stars 178 forks source link

Error no 121 IOError at ~$ rosrun jetbot_ros jetbot_motors.py #36

Open Vernieface opened 3 years ago

Vernieface commented 3 years ago

Observation:

file string is: /home/vern/workspace...

Rather than: /home/nvidia/workspace...

Terminal Session text follows: vern@JetBotAI:~$ rosrun jetbot_ros jetbot_motors.py Traceback (most recent call last): File "/home/vern/workspace/catkin_ws/src/jetbot_ros/scripts/jetbot_motors.py", line 75, in motor_driver = Adafruit_MotorHAT(i2c_bus=1) File "/home/vern/.local/lib/python2.7/site-packages/Adafruit_MotorHAT/Adafruit_MotorHAT_Motors.py", line 231, in init self._pwm = PWM(addr, debug=False, i2c=i2c, i2c_bus=i2c_bus) File "/home/vern/.local/lib/python2.7/site-packages/Adafruit_MotorHAT/Adafruit_PWM_Servo_Driver.py", line 59, in init self.setAllPWM(0, 0) File "/home/vern/.local/lib/python2.7/site-packages/Adafruit_MotorHAT/Adafruit_PWM_Servo_Driver.py", line 95, in setAllPWM self.i2c.write8(self.__ALL_LED_ON_L, on & 0xFF) File "/home/vern/.local/lib/python2.7/site-packages/Adafruit_GPIO/I2C.py", line 114, in write8 self._bus.write_byte_data(self._address, register, value) File "/home/vern/.local/lib/python2.7/site-packages/Adafruit_PureIO/smbus.py", line 268, in write_byte_data self._device.write(data) IOError: [Errno 121] Remote I/O error vern@JetBotAI:~$

santaimpersonator commented 3 years ago

If you are using the SparkFun kit, refer to this response: https://github.com/dusty-nv/jetbot_ros/issues/37#issuecomment-868492714