问Linux驱动程序编程: usb_control_msg的问题EN这一部分主要是用来介绍 Linux 设备驱动程序的一些基本概念...
recv_len = usb_control_msg(Device_handle, USB_ENDPOINT_IN + USB_TYPE_CLASS + USB_RECIP_INTERFACE, HID_REPORT_GET, 0x300, 0, recv_data, 72, USB_TIMEOUT); if (recv_len < 0) { printf("failed to retrieve report from USB device!\n"); return READ_REPORT; } if (recv_len != 72...
recv_len = usb_control_msg(Device_handle, USB_ENDPOINT_IN + USB_TYPE_CLASS + USB_RECIP_INTERFACE, HID_REPORT_GET, 0x300, 0, recv_data, 72, USB_TIMEOUT); if (recv_len < 0) { printf("failed to retrieve report from USB device!\n"); ...
recv_len = usb_control_msg(Device_handle, USB_ENDPOINT_IN + USB_TYPE_CLASS + USB_RECIP_INTERFACE, HID_REPORT_GET, 0x300, 0, recv_data, 72, USB_TIMEOUT); if (recv_len printf("failed to retrieve report from USB device!\n"); ...
recv_len = usb_control_msg(Device_handle, USB_ENDPOINT_IN + USB_TYPE_CLASS + USB_RECIP_INTERFACE, HID_REPORT_GET, 0x300, 0, recv_data, 72, USB_TIMEOUT); if (recv_len < 0) { printf("failed to retrieve report from USB device!\n"); ...
#define USB_ENDPOINT_IN 0x80 #define USB_TYPE_CLASS (0x01 << 5) #define USB_RECIP_INTERFACE 0x01 #define HID_REPORT_GET 0x01 */ recv_len = usb_control_msg(Device_handle, USB_ENDPOINT_IN + USB_TYPE_CLASS + USB_RECIP_INTERFACE, HID_REPORT_GET,...
int usb_control_msg_recv(struct usb_device *dev, __u8 endpoint, __u8 request, __u8 requesttype, __u16 value, __u16 index, void *data, __u16 size, int timeout, gfp_t memflags); extern int usb_get_descriptor(struct usb_device *dev, unsigned char desctype, ...
status = usb_control_msg_recv(dev, 0, F81232_REGISTER_REQUEST, F81232_GET_REGISTER, reg, 0, val, sizeof(*val), USB_CTRL_GET_TIMEOUT, GFP_KERNEL); if (status) { dev_err(&port->dev, "%s failed status: %d\n", __func__, status);if...
USB: serial: cp210x: use usb_control_msg_recv() and usb_control_msg_send()The new wrapper functions for usb_control_msg() can accept data from stack and treat short reads as errors. Hence use the wrappers functions. Please note that because of this change, cp210x_read_reg_block() ...
int32_t UsbFnStartRecvInterfaceEvent(struct UsbFnInterface *interface, uint32_t eventMask, UsbFnEventCallback callback, void *context); 开始接受Event事件 int32_t UsbFnStopRecvInterfaceEvent(struct UsbFnInterface *interface); 停止接受Event事件 UsbFnInterfaceHandle UsbFnOpenInterface(struct UsbFnInterf...