tools/upload: make I/O a bit slower
Without delays between read/writes, I often add lockups.
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@ -8,6 +8,7 @@
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import argparse
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import os
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import sys
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import time
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def sendcmd(fd, cmd):
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# The serial link echoes back all typed characters and expects us to read
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@ -35,7 +36,11 @@ def main():
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print("Loading...")
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with open(args.filename, 'rb') as fp:
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fcontents = fp.read()
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os.write(fd, fcontents)
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for c in fcontents:
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os.write(fd, bytes([c]))
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# Let's give the machine a bit of time to breathe. We ain't in a
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# hurry now, are we?
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time.sleep(0.0001)
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print("Loaded")
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os.read(fd, 5)
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print("Peeking back...")
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@ -43,6 +48,7 @@ def main():
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peek = b''
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while len(peek) < st.st_size * 2:
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peek += os.read(fd, 1)
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time.sleep(0.0001)
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os.close(fd)
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print("Got {}".format(peek.decode()))
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print("Comparing...")
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