def toolchain_erase(self):
""" Erases the LUNA board's flash. """
from apollo import ApolloDebugger
from apollo.flash import ensure_flash_gateware_loaded
# Create our connection to the debug module.
debugger = ApolloDebugger()
ensure_flash_gateware_loaded(debugger, platform=self.__class__())
with debugger.flash as flash:
flash.erase()
debugger.soft_reset()
def toolchain_flash(self, products, name="top"):
""" Programs the LUNA board's flash via its sideband connection. """
from apollo import ApolloDebugger
from apollo.flash import ensure_flash_gateware_loaded
# Create our connection to the debug module.
debugger = ApolloDebugger()
ensure_flash_gateware_loaded(debugger, platform=self.__class__())
# Grab our generated bitstream, and upload it to the .
bitstream = products.get("{}.bit".format(name))
with debugger.flash as flash:
flash.program(bitstream)
debugger.soft_reset()
def toolchain_program(self, products, name):
""" Programs the relevant LUNA board via its sideband connection. """
from apollo import ApolloDebugger
from apollo.ecp5 import ECP5_JTAGProgrammer
# Create our connection to the debug module.
debugger = ApolloDebugger()
# Grab our generated bitstream, and upload it to the FPGA.
bitstream = products.get("{}.bit".format(name))
with debugger.jtag as jtag:
programmer = ECP5_JTAGProgrammer(jtag)
programmer.configure(bitstream)
def toolchain_program(self, products, name):
""" Programs the relevant Daisho board via its sideband connection. """
from apollo import ApolloDebugger
from apollo.intel import IntelJTAGProgrammer
# If the user has opted to use their own programming cable, use it instead.
if os.environ.get("PROGRAM_WITH_QUARTUS", False):
self._toolchain_program_quartus(products, name)
return
# Create our connection to the debug module.
debugger = ApolloDebugger()
# Grab our generated bitstream, and upload it to the FPGA.
bitstream = products.get("{}.rbf".format(name))
with debugger.jtag as jtag:
programmer = IntelJTAGProgrammer(jtag)
programmer.configure(bitstream)
# Create a simple SFR that will trigger an ILA capture when written,
# and which will display our sample status read.
spi_registers.add_sfr(REGISTER_ILA,
read=self.ila.complete,
write_strobe=self.ila.trigger)
# Attach the LEDs and User I/O to the MSBs of our counter.
leds = [platform.request("led", i, dir="o") for i in range(0, 6)]
m.d.comb += Cat(leds).eq(self.counter[-7:-1])
# Return our elaborated module.
return m
if __name__ == "__main__":
example = top_level_cli(ILASharedBusExample)
# Create a debug and ILA connection.
debugger = ApolloDebugger()
ila = ApolloILAFrontend(debugger, ila=example.ila, use_inverted_cs=True)
# Trigger an ILA capture.
debugger.spi.register_write(REGISTER_ILA, 0)
# Wait for the capture to be complete.
while not debugger.spi.register_read(REGISTER_ILA):
time.sleep(0.001)
# Finally, read back the capture and display it on-screen.
ila.interactive_display()