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f4grx
nuttx-apps
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4dd3ecb5
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4dd3ecb5
authored
11 years ago
by
Gregory Nutt
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Minor end-of-the-day Zmodem changes
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b6778bf2
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system/zmodem/README.txt
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4dd3ecb5
...
@@ -65,7 +65,6 @@ Using NuttX Zmodem with a Linux Host
...
@@ -65,7 +65,6 @@ Using NuttX Zmodem with a Linux Host
using 9600 baud for the data transfers -- high rates may result in data
using 9600 baud for the data transfers -- high rates may result in data
overruns):
overruns):
$ sudo stty -F /dev/ttyS0 raw # Puts the TTY in raw transfer mode
$ sudo stty -F /dev/ttyS0 9600 # Select 9600 BAUD
$ sudo stty -F /dev/ttyS0 9600 # Select 9600 BAUD
$ sudo stty -F /dev/ttyS0 crtscts # Enables CTS/RTS handshaking
$ sudo stty -F /dev/ttyS0 crtscts # Enables CTS/RTS handshaking
$ sudo stty -F /dev/ttyS0 # Show the TTY configuration
$ sudo stty -F /dev/ttyS0 # Show the TTY configuration
...
@@ -106,7 +105,6 @@ Using NuttX Zmodem with a Linux Host
...
@@ -106,7 +105,6 @@ Using NuttX Zmodem with a Linux Host
9600 baud for the data transfers -- high rates may result in data
9600 baud for the data transfers -- high rates may result in data
overruns):
overruns):
$ sudo stty -F /dev/ttyS0 raw # Puts the TTY in raw transfer mode
$ sudo stty -F /dev/ttyS0 9600 # Select 9600 BAUD
$ sudo stty -F /dev/ttyS0 9600 # Select 9600 BAUD
$ sudo stty -F /dev/ttyS0 crtscts # Enables CTS/RTS handshaking
$ sudo stty -F /dev/ttyS0 crtscts # Enables CTS/RTS handshaking
$ sudo stty -F /dev/ttyS0 # Show the TTY configuration
$ sudo stty -F /dev/ttyS0 # Show the TTY configuration
...
@@ -178,7 +176,8 @@ Using NuttX Zmodem with a Linux Host
...
@@ -178,7 +176,8 @@ Using NuttX Zmodem with a Linux Host
Limit the transmit window size to N bytes (ZMODEM).
Limit the transmit window size to N bytes (ZMODEM).
UPDATE: I have verified that with debug off and at lower serial
UPDATE: I have verified that with debug off and at lower serial
BAUD (
1
200), the transfers of large fails succeed without errors.
BAUD (2
4
00), the transfers of large fails succeed without errors.
You may need the Linux sz -O option to keep it from timing out
You may need the Linux sz -O option to keep it from timing out
in these low BAUD transfers.
in these low BAUD transfers. I do not consider this a "solution"
to the problem.
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