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drivers/usbhost_hidmouse: fix button detection in touchscreen example #18933

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Merged
xiaoxiang781216 merged 1 commit into from
May 22, 2026
+5 −2
Merged

drivers/usbhost_hidmouse: fix button detection in touchscreen example #18933

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7 changes: 5 additions & 2 deletions drivers/usbhost/usbhost_hidmouse.c
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Original file line number Diff line number Diff line change
Expand Up @@ -276,6 +276,7 @@ struct usbhost_state_s
struct work_s work; /* For cornercase error handling by the worker thread */
struct mouse_sample_s sample; /* Last sampled mouse data */
usbhost_ep_t epin; /* Interrupt IN endpoint */
size_t packet_len;

/* The following is a list if poll structures of threads waiting for
* driver events. The 'struct pollfd' reference for each open is also
Expand Down Expand Up @@ -820,7 +821,7 @@ static bool usbhost_touchscreen(FAR struct usbhost_state_s *priv,
* small, then ignore the event.
*/

else if (!usbhost_xythreshold(priv))
else if (!usbhost_threshold(priv))
{
return false;
}
Expand Down Expand Up @@ -988,7 +989,7 @@ static int usbhost_mouse_poll(int argc, FAR char *argv[])
*/

nbytes = DRVR_TRANSFER(hport->drvr, priv->epin,
priv->tbuffer, priv->tbuflen);
priv->tbuffer, priv->packet_len);

/* Check for errors -- Bail if an excessive number of consecutive
* errors are encountered.
Expand Down Expand Up @@ -1478,6 +1479,8 @@ static inline int usbhost_cfgdesc(FAR struct usbhost_state_s *priv,
epindesc.mxpacketsize =
usbhost_getle16(epdesc->mxpacketsize);

priv->packet_len = (size_t)epindesc.mxpacketsize;

uinfo("Interrupt IN EP addr:%d mxpacketsize:%d\n",
epindesc.addr, epindesc.mxpacketsize);
}
Expand Down
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