kicer/hc32flash
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auto select last ports

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This commit is contained in:
vc4
2024-02-27 16:28:01 +08:00
parent 5cdfbe3818
commit c39a77d500
1 changed files with 9 additions and 6 deletions
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15
hc32flash.py
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@@ -191,17 +191,20 @@ class TransportError(Exception):
class SerialTransport(): class SerialTransport():
def __init__(self, port, baud): def __init__(self, port, baud):
if not port:
_ports = serial.tools.list_ports.comports()
if len(_ports):
port = _ports[-1].device
self.serial = None self.serial = None
try: try:
self.serial = serial.Serial(port, baud) self.serial = serial.Serial(port, baud)
self.serial.rts = False
self.serial.dtr = False
self.serial.rts = True
self.serial.dtr = True
except serial.SerialException as e: except serial.SerialException as e:
raise TransportError(str(e)) from None raise TransportError(str(e)) from None
self.serial.rts = False
self.serial.dtr = False
self.serial.rts = True
self.serial.dtr = True
self.serial.timeout = 1 self.serial.timeout = 1
self.serial.write_timeout = None self.serial.write_timeout = None
@@ -330,7 +333,7 @@ if __name__ == '__main__':
parser = argparse.ArgumentParser(description='HC32xx Flash Downloader.') parser = argparse.ArgumentParser(description='HC32xx Flash Downloader.')
parser.add_argument('-l', '--list', action='store_true', help='List support device') parser.add_argument('-l', '--list', action='store_true', help='List support device')
parser.add_argument('-d', metavar=' device', default='HC32F003', help='Device name, default HC32F003') parser.add_argument('-d', metavar=' device', default='HC32F003', help='Device name, default HC32F003')
parser.add_argument('-p', metavar=' port', default='/dev/ttyUSB0', help='Serial port, default /dev/ttyUSB0') parser.add_argument('-p', metavar=' port', default='', help='Serial port, default serial[-1]')
parser.add_argument('-b', metavar=' baudrate',type=int,default=0, help='Serial baudrate') parser.add_argument('-b', metavar=' baudrate',type=int,default=0, help='Serial baudrate')
parser.add_argument('-u', '--unlock', action='store_true', help='Unlock. Erase device when locked') parser.add_argument('-u', '--unlock', action='store_true', help='Unlock. Erase device when locked')
parser.add_argument('-L', '--lock', action='store_true', help='Lock. SWD port disabled') parser.add_argument('-L', '--lock', action='store_true', help='Lock. SWD port disabled')