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nxscope/nxscope_iser.c: wait for device if CONFIG_SERIAL_REMOVALBE=y

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raiden00pl 2023-02-07 14:14:38 +01:00 committed by Xiang Xiao
parent c57e7a7b81
commit 3fd4ea8587
1 changed files with 26 additions and 1 deletions
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27
logging/nxscope/nxscope_iser.c
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@ -177,10 +177,35 @@ int nxscope_ser_init(FAR struct nxscope_intf_s *intf,
flags |= O_NONBLOCK;
}
#ifdef CONFIG_SERIAL_REMOVABLE
do
{
/* Try to open the console */
priv->fd = open(priv->cfg->path, flags);
if (priv->fd < 0)
{
/* ENOTCONN means that the USB device is not yet connected.
* Anything else is bad.
*/
if (errno != ENOTCONN)
{
break;
}
/* Sleep a bit and try again */
sleep(1);
}
}
while (priv->fd < 0);
#else
priv->fd = open(priv->cfg->path, flags);
#endif
if (priv->fd < 0)
{
_err("ERROR: failed to open %s\n", priv->cfg->path);
_err("ERROR: failed to open %s %d\n", priv->cfg->path, errno);
ret = -errno;
goto errout;
}