mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-12-26 20:53:07 +00:00
75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
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from SCons.Errors import StopError
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class BlackmagicResolver:
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BLACKMAGIC_HOSTNAME = "blackmagic.local"
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def __init__(self, env):
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self.env = env
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# On Win:
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# 'location': '1-5:x.0', 'name': 'COM4',
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# 'location': '1-5:x.2', 'name': 'COM13',
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# On Linux:
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# 'location': '1-1.2:1.0', 'name': 'ttyACM0',
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# 'location': '1-1.2:1.2', 'name': 'ttyACM1',
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# On MacOS:
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# 'location': '0-1.3', 'name': 'cu.usbmodemblackmagic1',
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# 'location': '0-1.3', 'name': 'cu.usbmodemblackmagic3',
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def _find_probe(self):
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import serial.tools.list_ports as list_ports
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ports = list(list_ports.grep("blackmagic"))
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if len(ports) == 0:
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# Blackmagic probe serial port not found, will be handled later
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pass
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elif len(ports) > 2:
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raise StopError("More than one Blackmagic probe found")
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else:
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# If you're getting any issues with auto lookup, uncomment this
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# print("\n".join([f"{p.device} {vars(p)}" for p in ports]))
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return sorted(ports, key=lambda p: f"{p.location}_{p.name}")[0]
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# Look up blackmagic probe hostname with dns
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def _resolve_hostname(self):
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import socket
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try:
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return socket.gethostbyname(self.BLACKMAGIC_HOSTNAME)
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except socket.gaierror:
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print("Failed to resolve Blackmagic hostname")
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return None
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def get_serial(self):
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if not (probe := self._find_probe()):
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return None
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# print(f"Found Blackmagic probe on {probe.device}")
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if self.env.subst("$PLATFORM") == "win32":
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return f"\\\\.\\{probe.device}"
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return probe.device
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def get_networked(self):
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if not (probe := self._resolve_hostname()):
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return None
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return f"tcp:{probe}:2345"
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def __str__(self):
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# print("distenv blackmagic", self.env.subst("$BLACKMAGIC"))
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if (blackmagic := self.env.subst("$BLACKMAGIC")) != "auto":
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return blackmagic
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# print("Looking for Blackmagic...")
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if probe := self.get_serial() or self.get_networked():
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return probe
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raise Exception("Please specify BLACKMAGIC=...")
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def generate(env):
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env.SetDefault(BLACKMAGIC_ADDR=BlackmagicResolver(env))
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def exists(env):
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return True
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