kumi/MicroPython_PN532
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longer timeout seems necessary

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ladyada 2018-08-25 00:31:36 -04:00
parent 6664444ab7
commit 72fa49206d
1 changed files with 1 additions and 1 deletions
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adafruit_pn532.py
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@ -291,7 +291,7 @@ class PN532:
"""Call PN532 GetFirmwareVersion function and return a tuple with the IC,
Ver, Rev, and Support values.
"""
response = self.call_function(_COMMAND_GETFIRMWAREVERSION, 4, timeout=0.1)
response = self.call_function(_COMMAND_GETFIRMWAREVERSION, 4, timeout=0.5)
if response is None:
raise RuntimeError('Failed to detect the PN532')
return tuple(response)