def transfer(self, data):
"""Transfers data over SPI.
Arguments:
data: The data to transfer.
Returns:
The data returned by the SPI device.
"""
settings = self.transfer_settings
settings.spi_tx_size = len(data)
self.transfer_settings = settings
response = ''
for i in range(0, len(data), 60):
response += self.sendCommand(
commands.SPITransferCommand(data[i:i + 60])).data
# msc just waste for 2 byte messages time.sleep(0.01)
while len(response) < len(data):
response += self.sendCommand(commands.SPITransferCommand('')).data
return ''.join(response)
def transfer(self, data):
#print "device.py:MCP2210:transfer"
"""Transfers data over SPI.
Arguments:
data: The data to transfer.
Returns:
The data returned by the SPI device.
"""
# settings = self.transfer_settings
# settings.spi_tx_size = len(data)
# self.transfer_settings = settings
response = ''
for i in range(0, len(data), 60):
response += self.sendCommand(commands.SPITransferCommand(data[i:i + 60])).data
time.sleep(0.01)
while len(response) < len(data):
response += self.sendCommand(commands.SPITransferCommand('')).data
return ''.join(response)
def transfer(self, data):
"""Transfers data over SPI.
Arguments:
data: The data to transfer.
Returns:
The data returned by the SPI device.
"""
settings = self.transfer_settings
settings.spi_tx_size = len(data)
self.transfer_settings = settings
response = b''
for i in range(0, len(data), 60):
status = 1
while status != 0:
r = self.sendCommand(commands.SPITransferCommand(data[i:i +
60]),
check=False)
status = r.status
if status not in (0, 0xf8):
raise CommandException(status)
response += r.data
while len(response) < len(data):
status = 1
while status != 0:
r = self.sendCommand(commands.SPITransferCommand(b''),
check=False)
status = r.status
if status not in (0, 0xf8):
raise CommandException(status)
response += r.data
return response