def program_sam3u(self, port, fw_path=None):
"""Program the SAM3U Firmware assuming device is in bootloader mode"""
fw_data = None
print("Opening firmware...")
if fw_path is None:
print("Firmware not specified. Using firmware/phywhisperer.py")
from phywhisperer.firmware.phywhisperer import getsome
fw_data = getsome("phywhisperer-SAM3U1C.bin").read()
else:
if not os.path.isfile(fw_path):
raise ValueError("Cannot find specified firmware file {}".format(fw_path))
fw_data = open(fw_path, "rb").read()
sam = Samba()
print("Opened!\nConnecting...")
sam.con(port)
print("Connected!\nErasing...")
sam.erase()
print("Erased!\nProgramming file {}...".format(fw_path))
sam.write(fw_data)
print("Programmed!\nVerifying...")
if sam.verify(fw_data):
print("Verify OK!")
sam.flash.setBootFlash(True)
print("Bootloader disabled. Please power cycle device.")
else:
print("Verify FAILED!")
sam.ser.close()
def con(self, PID=0xC610, sn=None, program_fpga=True, bitstream_file=None):
"""Connect to PhyWhisperer-USB. Raises error if multiple detected
Args:
PID (int, optional): USB PID of PhyWhisperer, defaults to 0xC610 (NewAE standard).
sn (int, option): Serial Number of PhyWhisperer, required when multiple
PhyWhisperers are connected.
program_fpga (bool, option): Specifies whether or not to program the FPGA with
the default firmware when we connect. Set to False if using custom bitstream.
"""
self.usb = NAE.NAEUSB()
self.usb.con(idProduct=[PID], serial_number=sn)
self._llint = LLINT.PhyWhispererUSB(self.usb)
if program_fpga:
if bitstream_file is None:
with ZipFile(getsome("phywhisperer-firmware.zip")) as myzip:
with myzip.open('phywhisperer_top.bit') as bitstream:
self._llint.FPGAProgram(bitstream)
pass
else:
print("Programming custom bit stream '%s'" % bitstream_file)
with open(bitstream_file,"rb") as bitstream:
self._llint.FPGAProgram(bitstream)
self.write_reg(self.REG_COUNT_WRITES, [1])
def con(self, PID=0xC521, sn=None, program_fpga=True):
"""Connect to PhyWhisperer-USB. Raises error if multiple detected
PID : int
Product ID of PhyWhisperer
sn : int
Serial Number of PhyWhisperer, required when multiple PhyWhisperers are connected.
program_fpga : bool
Specifies whether or not to program the FPGA with the default firmware when we connect
"""
self.usb = NAE.NAEUSB()
self.usb.con(idProduct=[PID], serial_number=sn)
self._llint = LLINT.PhyWhispererUSB(self.usb)
if program_fpga:
from phywhisperer.firmware.phywhisperer import getsome
with ZipFile(getsome("phywhisperer-firmware.zip")) as myzip:
with myzip.open('phywhisperer_top.bit') as bitstream:
self._llint.FPGAProgram(bitstream)
pass
pass
def program_sam3u(self, port, fw_path=None):
"""Program the SAM3U Firmware assuming device is in bootloader mode.
Args:
port (str): Serial port name, such as 'COM36' or '/dev/ttyACM0'.
fw_path (str): Path to firmware binary to program the sam3u with.
If None, use default firmware. Defautls to None.
"""
fw_data = None
print("Opening firmware...")
if fw_path is None:
print("Firmware not specified. Using firmware/phywhisperer.py")
fw_data = getsome("phywhisperer-SAM3U1C.bin").read()
else:
if not os.path.isfile(fw_path):
raise ValueError("Cannot find specified firmware file {}".format(fw_path))
fw_data = open(fw_path, "rb").read()
sam = Samba()
print("Opened!\nConnecting...")
sam.con(port)
print("Connected!\nErasing...")
sam.erase()
print("Erased!\nProgramming file {}...".format(fw_path))
sam.write(fw_data)
print("Programmed!\nVerifying...")
if sam.verify(fw_data):
print("Verify OK!")
sam.flash.setBootFlash(True)
print("Bootloader disabled. Please power cycle device.")
else:
print("Verify FAILED!")
sam.ser.close()