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mbv: black

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This commit is contained in:
Paul Mathieu 2025-06-25 08:39:33 -07:00
parent 7f1f924331
commit e4936abb53
1 changed files with 20 additions and 16 deletions
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34
mbv/prog.py
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@ -6,32 +6,32 @@ import threading
import time import time
offset = 0x80000000 offset = 0x80000000
tty = '/dev/ttyUSB1' tty = "/dev/ttyUSB1"
baud = 115200 baud = 115200
chunksize = 1024 chunksize = 1024
def write(s, offset, dat): def write(s, offset, dat):
for i in range(0, len(dat), chunksize): for i in range(0, len(dat), chunksize):
chunk = dat[i: i + chunksize] chunk = dat[i : i + chunksize]
cmd = struct.pack('<cII', b'c', offset + i, len(chunk)) cmd = struct.pack("<cII", b"c", offset + i, len(chunk))
print(f'Sending {len(chunk)} bytes @0x{offset + i:04x}') print(f"Sending {len(chunk)} bytes @0x{offset + i:04x}")
s.write(cmd) s.write(cmd)
s.write(chunk) s.write(chunk)
ack = s.read(2) ack = s.read(2)
if len(ack) < 2: if len(ack) < 2:
raise RuntimeError(f'timeout waiting for full ack. got {ack}') raise RuntimeError(f"timeout waiting for full ack. got {ack}")
if ack[0] != b'a'[0]: if ack[0] != b"a"[0]:
raise RuntimeError(f'expected ack, got this instead: {ack}') raise RuntimeError(f"expected ack, got this instead: {ack}")
print(f'Ack! len={ack[1]}') print(f"Ack! len={ack[1]}")
def jump(s, offset): def jump(s, offset):
cmd = struct.pack('<cI', b'j', offset) cmd = struct.pack("<cI", b"j", offset)
print(f'Jumping to 0x{offset:04x}') print(f"Jumping to 0x{offset:04x}")
s.write(cmd) s.write(cmd)
@ -40,21 +40,25 @@ def stream_logs(s):
dat = s.read() dat = s.read()
if not dat: if not dat:
continue continue
sys.stdout.buffer.write(dat.replace(b'\r', b'')) sys.stdout.buffer.write(dat.replace(b"\r", b""))
sys.stdout.buffer.flush() sys.stdout.buffer.flush()
def parse_args(): def parse_args():
parser = argparse.ArgumentParser() parser = argparse.ArgumentParser()
parser.add_argument("binary") parser.add_argument("binary")
parser.add_argument("--monitor", action="store_true", parser.add_argument(
help="wait for and display program serial output") "--monitor",
action="store_true",
help="wait for and display program serial output",
)
return parser.parse_args() return parser.parse_args()
def main(): def main():
args = parse_args() args = parse_args()
with open(args.binary, 'rb') as f: with open(args.binary, "rb") as f:
dat = f.read() dat = f.read()
s = serial.Serial(tty, baud, timeout=1) s = serial.Serial(tty, baud, timeout=1)
@ -67,7 +71,7 @@ def main():
try: try:
while True: while True:
dat = input("") + '\r' dat = input("") + "\r"
s.write(dat.encode()) s.write(dat.encode())
except KeyboardInterrupt: except KeyboardInterrupt:
print("Bye.") print("Bye.")