Hallo Forum,
Ich habe bei meinem Raspberry Pi Model B Raspbian in der neuesten Version installiert und wollte mein Piface wieder in Betrieb nehmen. Ich bin nach der Anleitung von http://www.piface.org.uk/guides/Install…Digital_modules Also ein apt - get install python3-pifacedigital-emulator sollte reichen um den Emulator zu installieren. Nach dem Reboot erscheint das Icon, aber es startet nicht.
Über das Terminal kommt diese Fehlermeldung:
$ pifacedigital-emulator
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/pifacecommon/interrupts.py", line 363, in bring_gpio_interrupt_into_userspace
with open(GPIO_INTERRUPT_DEVICE_VALUE):
IOError: [Errno 2] No such file or directory: '/sys/devices/virtual/gpio/gpio25/value'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/bin/pifacedigital-emulator", line 3, in <module>
pfd = emu.PiFaceDigital()
File "/usr/lib/python3/dist-packages/pifacedigital_emulator/core.py", line 91, in __init__
hardware_addr, bus, chip_select, init_board)
File "/usr/lib/python3/dist-packages/pifacedigitalio/core.py", line 82, in __init__
self.init_board()
File "/usr/lib/python3/dist-packages/pifacedigitalio/core.py", line 114, in init_board
self.enable_interrupts()
File "/usr/lib/python3/dist-packages/pifacedigitalio/core.py", line 86, in enable_interrupts
self.gpio_interrupts_enable()
File "/usr/lib/python3/dist-packages/pifacecommon/interrupts.py", line 210, in gpio_interrupts_enable
bring_gpio_interrupt_into_userspace()
File "/usr/lib/python3/dist-packages/pifacecommon/interrupts.py", line 368, in bring_gpio_interrupt_into_userspace
export_file.write(str(GPIO_INTERRUPT_PIN))
IOError: [Errno 16] Device or resource busy
Exception AttributeError: "'PiFaceDigital' object has no attribute 'fd'" in <bound method PiFaceDigital.__del__ of <pifacedigital_emulator.core.PiFaceDigital object at 0xb6981e50>> ignored