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manually added https://github.com/adafruit/Adafruit_Python_PN532/pull/10 - thanks! :)

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This commit is contained in:
ladyada 2018-08-25 17:04:21 -04:00
parent a6c32449ef
commit 3f4eeb5cbb
1 changed files with 27 additions and 1 deletions
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28
adafruit_pn532.py
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@ -365,7 +365,7 @@ class PN532:
try:
response = self.call_function(_COMMAND_INLISTPASSIVETARGET,
params=[0x01, card_baud],
response_length=17,
response_length=19,
timeout=timeout)
except BusyError:
return None # no card found!
@ -438,6 +438,32 @@ class PN532:
response_length=1)
return response[0] == 0x0
def ntag2xx_write_block(self, block_number, data):
"""Write a block of data to the card. Block number should be the block
to write and data should be a byte array of length 4 with the data to
write. If the data is successfully written then True is returned,
otherwise False is returned.
"""
assert data is not None and len(data) == 4, 'Data must be an array of 4 bytes!'
# Build parameters for InDataExchange command to do NTAG203 classic write.
params = bytearray(3+len(data))
params[0] = 0x01 # Max card numbers
params[1] = MIFARE_ULTRALIGHT_CMD_WRITE
params[2] = block_number & 0xFF
params[3:] = data
# Send InDataExchange request.
response = self.call_function(_COMMAND_INDATAEXCHANGE,
params=params,
response_length=1)
return response[0] == 0x00
def ntag2xx_read_block(self, block_number):
"""Read a block of data from the card. Block number should be the block
to read. If the block is successfully read a bytearray of length 16 with
data starting at the specified block will be returned. If the block is
not read then None will be returned.
"""
return self.mifare_classic_read_block(block_number)[0:4] # only 4 bytes per page
class PN532_UART(PN532):
"""Driver for the PN532 connected over Serial UART"""