devices # CONFIG_TTY=y CONFIG_VT=y CONFIG_CONSOLE_TRANSLATIONS=y CONFIG_VT_CONSOLE=y CONFIG_VT_CONSOLE_SLEEP=y CONFIG_HW_CONSOLE=y CONFIG_VT_HW_CONSOLE_BINDING=y CONFIG_UNIX98_PTYS=y CONFIG_DEVPTS_MULTIPLE_INSTANCES=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 # CONFIG_SERIAL_NON...
实际上在开发板初始化的过程中并没有调用usb_simtec_init函数(不过我们可以在smdk2440_machine_init最后调用usb_simtec_init),这里仅仅是利用platform_add_devices进行若干个platform设备的注册,该函数最终通过调用platform_device_register实现platform设备注册: /** * platform_add_devices - add a numbers of platform...
对于倍频、分频而言,则需要实现时钟频率相关的接口set_rate、recalc_rate等;3.2 CCF子系统框图 下图...
hdev->parent)) { struct usb_device_descriptor *buf; ushort idvendor; int r = 0;#define GET_DESCRIPTOR_BUFSIZE 64 buf = kmalloc(GET_DESCRIPTOR_BUFSIZE, GFP_NOIO); if (!buf) { retval = -ENOMEM; continue; } /* Retry on all errors; some devices are flakey. * 255 is for WUSB device...
fix compositing of MIDI with some other devices May 13, 2020 usb_hid.c support HID rate adjustment Jan 5, 2023 usb_hid.h support HID rate adjustment Jan 5, 2023 usb_mass.c cleanup Jan 7, 2020 usb_mass.h support mass storage above 4gb ...
Transfer Rates:USB 3.0 provides 4800 Mbps, while USB 2.0 max transfer rate is 480 Mbps, making it slower. Data Transfer:USB 3.0 is advanced and supports Bi-directional data transfer. On the other hand, USB 2.0 supports 1-way data transfer. ...
Control Transfers are supported by all speed modes. The maximum data payload size for data packet in data stage is different for each speed mode. For low speed devices, it is 8 bytes. For full speed devices it may be 8, 16, 32 or 64 bytes. For high speed devices, it is 64 bytes...
use checkbox "Process Parent". Note, there is overclocked all functional devices from composite device, not the mouse only. For this feature functioning recompiled old drivers for Win 98&ME, 2000. I was surprised to learn that some people use driver to change rate of Full Speed USB mice. ...
* Many USB devices only have one interface. The protocol used to talk to * an interface's endpoints can be defined in a usb "class" specification, * or by a product's vendor. The (default) control endpoint is part of * every interface, but is never listed among the interface's descr...
Initially, USB-C was only available in high-end devices. Nowadays, you can find a few affordable USB-C monitors too! Acer SH242Y Ebmihux Budget 1080p USB-C Monitor Size: 24” Resolution: 1920×1080 Panel: IPS Power Delivery: 65W ...