def transmit_product_code(self):
"""
Transmit SWAP status packet containing the product code
"""
pcode = SwapValue(self.FIRMSERVER_PRODUCT_CODE)
status = SwapStatusPacket(self.server.devaddress, SwapRegId.ID_PRODUCT_CODE, pcode)
status.send(self.server)
def transmit_product_code(self):
"""
Transmit SWAP status packet containing the product code
"""
pcode = SwapValue(self.FIRMSERVER_PRODUCT_CODE)
status = SwapStatusPacket(self.server.devaddress, SwapRegId.ID_PRODUCT_CODE, pcode)
status.send(self.server)
def swapPacketReceived(self, packet):
"""
New SWAP packet received
@param packet: SWAP packet received
"""
if packet.destAddress in [
SwapAddress.BROADCAST_ADDR, self.server.devaddress
]:
# Packet broadcasted or explicitely addressed to our server
if packet.function == SwapFunction.QUERY:
# SWAP query received
if packet.destAddress == self.server.devaddress:
# Local register being queried
if packet.regId == SwapRegId.ID_PRODUCT_CODE:
# Server's product code
self.transmit_product_code()
elif packet.regId == SwapRegId.ID_FIRMWARE:
# Query comming from our node in programming mode?
if self.prog_address == packet.srcAddress:
# Firmware image being queried
if packet.value.getLength() == 2:
# The query contains 2 bytes of data
# Take line number
nb_line = (packet.value.toList()[0] <<
8) | packet.value.toList()[1]
line = self.hexfile.get_line(nb_line)
if line is not None:
prefix = packet.value.toList()
payload = prefix + line.data
val = SwapValue(payload)
page_packet = SwapStatusPacket(
self.server.devaddress,
SwapRegId.ID_FIRMWARE, val)
page_packet.send(self.server)
if nb_line == 0:
self.hexfile_line = 0
print "Erasing flash memory"
self.progress + 1
elif nb_line == 1:
print "Uploading code to node"
elif 1 < nb_line < (
self.hexfile.nbof_data_lines - 1):
if (nb_line != self.hexfile_line):
self.hexfile_line = nb_line
self.progress + 1
self.progress.show_progress()
elif nb_line == (self.hexfile.nbof_data_lines):
self.progress + 2
self.progress.show_progress()
print "\n\rUpload completed"
self.prog_address = None
self.hexfile_line = 0
def staRegister(self, regId):
"""
Send SWAP status packet about the current value of the register passed as argument
@param regId: Register ID
@param value: New value
"""
# Get register
reg = self.getRegister(regId)
# Status packet to be sent
infPacket = SwapStatusPacket(self.address, regId, reg.value)
# Send SWAP status packet to server
infPacket.send(self.server)
def swapPacketReceived(self, packet):
"""
New SWAP packet received
@param packet: SWAP packet received
"""
if packet.destAddress in [SwapAddress.BROADCAST_ADDR, self.server.devaddress]:
# Packet broadcasted or explicitely addressed to our server
if packet.function == SwapFunction.QUERY:
# SWAP query received
if packet.destAddress == self.server.devaddress:
# Local register being queried
if packet.regId == SwapRegId.ID_PRODUCT_CODE:
# Server's product code
self.transmit_product_code()
elif packet.regId == SwapRegId.ID_FIRMWARE:
# Query comming from our node in programming mode?
if self.prog_address == packet.srcAddress:
# Firmware image being queried
if packet.value.getLength() == 2:
# The query contains 2 bytes of data
# Take line number
nb_line = (packet.value.toList()[0] << 8) | packet.value.toList()[1]
line = self.hexfile.get_line(nb_line)
if line is not None:
prefix = packet.value.toList()
payload = prefix + line.data
val = SwapValue(payload)
page_packet = SwapStatusPacket(self.server.devaddress, SwapRegId.ID_FIRMWARE, val)
page_packet.send(self.server)
if nb_line == 0:
self.hexfile_line = 0
print "Erasing flash memory"
self.progress + 1
elif nb_line == 1:
print "Uploading code to node"
elif 1 < nb_line < (self.hexfile.nbof_data_lines - 1):
if nb_line != self.hexfile_line:
self.hexfile_line = nb_line
self.progress + 1
self.progress.show_progress()
elif nb_line == (self.hexfile.nbof_data_lines):
self.progress + 2
self.progress.show_progress()
print "\n\rUpload completed"
self.prog_address = None
self.hexfile_line = 0