121 lines
3.2 KiB
C
121 lines
3.2 KiB
C
#include "usb_device_config.h"
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#include "usb.h"
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#include "usb_device.h"
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#include "include/usb/usb_device_class.h"
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#include "include/usb/usb_device_hid.h"
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#include "include/usb/usb_device_ch9.h"
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#include "usb_device_descriptor.h"
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#include "composite.h"
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#include "hid_mouse.h"
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static usb_device_composite_struct_t *UsbCompositeDevice;
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static usb_device_hid_mouse_struct_t UsbMouseDevice;
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/* Update mouse pointer location: draw a rectangular rotation. */
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static usb_status_t UsbMouseAction(void)
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{
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static int8_t x = 0U;
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static int8_t y = 0U;
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enum {
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RIGHT,
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DOWN,
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LEFT,
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UP
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};
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static uint8_t dir = RIGHT;
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switch (dir) {
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case RIGHT:
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/* Move right. Increase X value. */
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UsbMouseDevice.buffer[1] = 1U;
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UsbMouseDevice.buffer[2] = 0U;
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x++;
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if (x > 99U) {
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dir++;
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}
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break;
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case DOWN:
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/* Move down. Increase Y value. */
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UsbMouseDevice.buffer[1] = 0U;
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UsbMouseDevice.buffer[2] = 1U;
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y++;
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if (y > 99U) {
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dir++;
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}
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break;
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case LEFT:
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/* Move left. Discrease X value. */
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UsbMouseDevice.buffer[1] = (uint8_t)(0xFFU);
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UsbMouseDevice.buffer[2] = 0U;
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x--;
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if (x < 1U) {
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dir++;
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}
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break;
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case UP:
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/* Move up. Discrease Y value. */
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UsbMouseDevice.buffer[1] = 0U;
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UsbMouseDevice.buffer[2] = (uint8_t)(0xFFU);
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y--;
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if (y < 1U) {
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dir = RIGHT;
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}
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break;
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default:
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break;
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}
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return USB_DeviceHidSend(UsbCompositeDevice->hidMouseHandle, USB_MOUSE_ENDPOINT_IN,
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UsbMouseDevice.buffer, USB_MOUSE_REPORT_LENGTH);
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}
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usb_status_t UsbMouseCallback(class_handle_t handle, uint32_t event, void *param)
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{
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usb_status_t error = kStatus_USB_Error;
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switch (event)
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{
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case kUSB_DeviceHidEventSendResponse:
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if (UsbCompositeDevice->attach) {
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return UsbMouseAction();
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}
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break;
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case kUSB_DeviceHidEventGetReport:
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case kUSB_DeviceHidEventSetReport:
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case kUSB_DeviceHidEventRequestReportBuffer:
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error = kStatus_USB_InvalidRequest;
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break;
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case kUSB_DeviceHidEventGetIdle:
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case kUSB_DeviceHidEventGetProtocol:
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case kUSB_DeviceHidEventSetIdle:
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case kUSB_DeviceHidEventSetProtocol:
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break;
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default:
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break;
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}
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return error;
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}
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usb_status_t UsbMouseSetConfigure(class_handle_t handle, uint8_t configure)
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{
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if (USB_COMPOSITE_CONFIGURE_INDEX == configure) {
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return UsbMouseAction();
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}
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return kStatus_USB_Error;
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}
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usb_status_t UsbMouseSetInterface(class_handle_t handle, uint8_t interface, uint8_t alternateSetting)
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{
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if (USB_KEYBOARD_INTERFACE_INDEX == interface) {
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return UsbMouseAction();
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}
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return kStatus_USB_Error;
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}
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usb_status_t UsbMouseInit(usb_device_composite_struct_t *compositeDevice)
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{
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UsbCompositeDevice = compositeDevice;
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return kStatus_USB_Success;
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}
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