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Implement a flags field in struct serdev, and populate it with a flag

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that indicates whether the underlying communication can dynamically
change its speed or not.  This flag is set for true serial
communication but clear for USB communication.  Don't try to adjust
the speed when talking over a communication channel that doesn't
support it.  (The Dragon does not even support the respective
parameter.)


git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@676 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
joerg_wunsch
2006-10-27 08:45:47 +00:00
parent 2f798223d1
commit 0e4819c0e7
8 changed files with 29 additions and 9 deletions
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9
usb_libusb.c
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@@ -202,11 +202,6 @@ static int usbdev_open(char * port, long baud)
exit(1);
}
static int usbdev_setspeed(int fd, long baud)
{
return 0;
}
static void usbdev_close(int fd)
{
usb_dev_handle *udev = (usb_dev_handle *)fd;
@@ -431,11 +426,11 @@ static int usbdev_drain(int fd, int display)
struct serial_device usb_serdev =
{
.open = usbdev_open,
.setspeed = usbdev_setspeed,
.close = usbdev_close,
.send = usbdev_send,
.recv = usbdev_recv,
.drain = usbdev_drain,
.flags = SERDEV_FL_NONE,
};
/*
@@ -444,11 +439,11 @@ struct serial_device usb_serdev =
struct serial_device usb_serdev_frame =
{
.open = usbdev_open,
.setspeed = usbdev_setspeed,
.close = usbdev_close,
.send = usbdev_send,
.recv = usbdev_recv_frame,
.drain = usbdev_drain,
.flags = SERDEV_FL_NONE,
};
#endif /* HAVE_LIBUSB */