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Signed-off-by: Keith Packard <keithp@keithp.com>
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This catches the USB device being unplugged and makes sure the
user sees an error dialog in this case.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Otherwise, reads block writes and vice-versa. Crazy stuff.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Need stdlib.h to get calloc/free defined, remove debug printfs, fix
serial timeouts.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Who ships this stuff, anyway? Instead of blocking, we'll poll every 100ms now,
otherwise, we won't be able to abort the read when the device is closed. Yay!
Signed-off-by: Keith Packard <keithp@keithp.com>
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List all usb devices, picking those with AltusMetrum IDs.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This adds Windows support for discovery and I/O.
The API to the library is mostly unchanged, except that it now exports
product and vendor USB IDs as Win7 doesn't expose the product name
anywhere that we've been able to find, so we'll be updating the
firmware to use unique idProduct values for each product.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Separating out the close and free actions ensures that the reader thread will not
access freed memory or dereference a null pointer while shutting down the
connection to the serial device. Otherwise, a race condition exists between the
serial close and the thread join.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This provides a private version of this GNU extension.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This steals code from cc-usbdev for scanning the USB tree and uses the
same tty code as on Darwin
Signed-off-by: Keith Packard <keithp@keithp.com>
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