mirror of
https://github.com/hsoft/collapseos.git
synced 2024-11-27 21:18:08 +11:00
85 lines
2.7 KiB
Python
Executable File
85 lines
2.7 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
|
|
# Push specified file to specified device and verify that the contents is
|
|
# correct by sending a "peek" command afterwards and check the output. Errors
|
|
# out if the contents isn't the same. The parameter passed to the "peek"
|
|
# command is the length of the uploaded file.
|
|
|
|
import argparse
|
|
import os
|
|
import sys
|
|
import time
|
|
|
|
def sendcmd(fd, cmd):
|
|
# The serial link echoes back all typed characters and expects us to read
|
|
# them. We have to send each char one at a time.
|
|
print("Executing {}".format(cmd.decode()))
|
|
for c in cmd:
|
|
os.write(fd, bytes([c]))
|
|
os.read(fd, 1)
|
|
os.write(fd, b'\n')
|
|
os.read(fd, 2) # sends back \r\n
|
|
|
|
|
|
def main():
|
|
parser = argparse.ArgumentParser()
|
|
parser.add_argument('device')
|
|
parser.add_argument('memptr')
|
|
parser.add_argument('filename')
|
|
args = parser.parse_args()
|
|
|
|
try:
|
|
memptr = int('0x' + args.memptr, 0)
|
|
except ValueError:
|
|
print("memptr are has to be hexadecimal without prefix.")
|
|
return 1
|
|
if memptr >= 0x10000:
|
|
print("memptr out of range.")
|
|
return 1
|
|
maxsize = 0x10000 - memptr
|
|
st = os.stat(args.filename)
|
|
if st.st_size > maxsize:
|
|
print("File too big. 0x{:04x} bytes max".format(maxsize))
|
|
return 1
|
|
fd = os.open(args.device, os.O_RDWR)
|
|
with open(args.filename, 'rb') as fp:
|
|
while True:
|
|
fcontents = fp.read(0xff)
|
|
if not fcontents:
|
|
break
|
|
print("Seeking...")
|
|
sendcmd(fd, 'mptr {:04x}'.format(memptr).encode())
|
|
os.read(fd, 9)
|
|
sendcmd(fd, 'poke {:x}'.format(len(fcontents)).encode())
|
|
print("Poking...")
|
|
for c in fcontents:
|
|
os.write(fd, bytes([c]))
|
|
# Let's give the machine a bit of time to breathe. We ain't in a
|
|
# hurry now, are we?
|
|
time.sleep(0.0001)
|
|
print("Poked")
|
|
os.read(fd, 5)
|
|
print("Peeking back...")
|
|
sendcmd(fd, 'peek {:x}'.format(len(fcontents)).encode())
|
|
peek = b''
|
|
while len(peek) < len(fcontents) * 2:
|
|
peek += os.read(fd, 1)
|
|
time.sleep(0.0001)
|
|
os.read(fd, 5)
|
|
print("Got {}".format(peek.decode()))
|
|
print("Comparing...")
|
|
for i, c in enumerate(fcontents):
|
|
hexfmt = '{:02X}'.format(c).encode()
|
|
if hexfmt != peek[:2]:
|
|
print("Mismatch at byte {}! {} != {}".format(i, peek[:2], hexfmt))
|
|
return 1
|
|
peek = peek[2:]
|
|
print("All good!")
|
|
memptr += len(fcontents)
|
|
print("Done!")
|
|
os.close(fd)
|
|
return 0
|
|
|
|
if __name__ == '__main__':
|
|
sys.exit(main())
|