总结下,我们的控制urb走的是先由input的event提交,触发后由控制urb的回调函数再次提交。好了,通过USB鼠标,我们已经知道了控制urb和中断urb的设计和处理流程。
input_dev->event = usb_kbd_event; //定义event函数 input_dev->open = usb_kbd_open; input_dev->close = usb_kbd_close; usb_fill_int_urb(kbd->irq, dev, pipe, kbd->new, (maxp > 8 ? 8 : maxp), usb_kbd_irq, kbd, endpoint->bInterval);//填充中断urb ...
在这个中断处理程序里,涉及到了按键断开码,控制码,按键应答等处理.查阅intel8042的相关资料理解这部份并不难.在中断处理程序中,将接收到的按键扫描码转换之后,调用input_event()产生一个按键事件,将其上报给上层的input_handler. 六:小结 简而言之,键盘的驱动流程就是这样的,当驱动检测到设备之后,注册一个input de...
python linux keyboard test keyboard-layout xinput xmodmap kbd kbdtst kbd-tst keyboard-test ascii-layout Updated Nov 19, 2021 Python mariuspass / kbd Star 3 Code Issues Pull requests Simple library to simulate key press in Windows go windows golang keyboard keybd-event kbd Updated Mar...
Such input device manifests in the linux system as a /dev/input/eventX (or similar) device node. Events (small binary data chunks) and device descriptors (giving meaning to the binary mess) can be acquired from the device.Many devices have multiple sub-devices in them. A keyboard ...
master 分支(3) 管理 管理 master experiment/fft-cc travis 克隆/下载 HTTPSSSHSVNSVN+SSH 该操作需登录 Gitee 帐号,请先登录后再操作。 提示 下载代码请复制以下命令到终端执行 为确保你提交的代码身份被 Gitee 正确识别,请执行以下命令完成配置 使用HTTPS 协议时,命令行会出现如下账号密码验证步骤。基于安全考虑...
[ 243.676272] Workqueue: usb_hub_wq hub_event [ 243.676561] Call trace: [ 243.676731] __switch_to+0xbc/0x108 [ 243.676973] __schedule+0x32c/0x890 [ 243.677216] schedule+0x48/0xc8 [ 243.677432] usb_kill_urb+0xc0/0xf0 [ 243.677671] usb_start_wait_urb+0xec/0x160 [ 243.677952] usb_...
表 ツリー表 フォーカスを移動します。 注意: selectionEventDelayが有効化されている場合、キーボード・ナビゲーション中の行選択は300ms遅らされており、不要な行選択を起こさないキーボード・ナビゲーションを可能にしている。C
Report device online and offline event Report device online and offline events The device gateway needs to regularly synchronize the device’s online and offline status to the Tuya IoT Edge Gateway. We recommend that the status of the sub-devices be reported at least once every minute. Topic Up...
outage_alarm: outage event alarm magnetism_alarm: magnetic influence alarm credit_alarm: insufficient balance alarm 20 The level of a specified alarm. alarm_level Report only (read-only) enum The enumeration values: general: general alarm serious: serious alarm urgent: urgent alarm 21 Device alarm...