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https://github.com/m5stack/Core2forAWS-MicroPython.git
synced 2026-05-20 10:30:31 -07:00
Henrik Sölver
51 lines
841 B
Python
51 lines
841 B
Python
from pyb import CAN
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CAN.initfilterbanks(14)
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can = CAN(1)
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print(can)
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can.init(CAN.LOOPBACK)
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print(can)
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print(can.any(0))
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# Catch all filter
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can.setfilter(0, CAN.MASK16, 0, (0, 0, 0, 0))
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can.send('abcd', 123)
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print(can.any(0))
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print(can.recv(0))
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can.send('abcd', -1)
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print(can.recv(0))
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can.send('abcd', 0x7FF + 1)
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print(can.recv(0))
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# Test too long message
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try:
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can.send('abcdefghi', 0x7FF)
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except ValueError:
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print('passed')
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else:
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print('failed')
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del can
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# Testing extended IDs
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can = CAN(1, CAN.LOOPBACK, extframe = True)
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# Catch all filter
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can.setfilter(0, CAN.MASK32, 0, (0, 0))
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print(can)
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try:
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can.send('abcde', 0x7FF + 1)
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except ValueError:
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print('failed')
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else:
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r = can.recv(0)
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if r[0] == 0x7FF+1 and r[3] == b'abcde':
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print('passed')
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else:
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print('failed, wrong data received')
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