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#include "project.h"

/* Define this to include the DFU APP interface. */
const struct usb_device_descriptor dev = {
	.bLength = USB_DT_DEVICE_SIZE,
	.bDescriptorType = USB_DT_DEVICE,
	.bcdUSB = 0x0200,
	.bDeviceClass = 0,
	.bDeviceSubClass = 0,
	.bDeviceProtocol = 0,
	.bMaxPacketSize0 = 64,
	.idVendor = 0x0483,
	.idProduct = 0x5710,
	.bcdDevice = 0x0200,
	.iManufacturer = 1,
	.iProduct = 2,
	.iSerialNumber = 3,
	.bNumConfigurations = 1,
};

const struct usb_interface ifaces[] = {{
	.num_altsetting = 1,
	.altsetting = &hid_iface,
#ifdef INCLUDE_DFU_INTERFACE
}, {
	.num_altsetting = 1,
	.altsetting = &dfu_iface,
#endif
}};

const struct usb_config_descriptor config = {
	.bLength = USB_DT_CONFIGURATION_SIZE,
	.bDescriptorType = USB_DT_CONFIGURATION,
	.wTotalLength = 0,
#ifdef INCLUDE_DFU_INTERFACE
	.bNumInterfaces = 2,
#else
	.bNumInterfaces = 1,
#endif
	.bConfigurationValue = 1,
	.iConfiguration = 0,
	.bmAttributes = 0xC0,
	.bMaxPower = 0x32,

	.interface = ifaces,
};

static const char *usb_strings[] = {
	"Cabbages are good for you",
	"fish",
	"soup",
};



usbd_device *usbd_dev;

void usb_set_config(usbd_device *usbd_dev, uint16_t wValue)
{
	(void)wValue;
	(void)usbd_dev;

	usbd_ep_setup(usbd_dev, 0x81, USB_ENDPOINT_ATTR_INTERRUPT, 4, NULL);

	usbd_register_control_callback(
				usbd_dev,
				USB_REQ_TYPE_STANDARD | USB_REQ_TYPE_INTERFACE,
				USB_REQ_TYPE_TYPE | USB_REQ_TYPE_RECIPIENT,
				hid_control_request);
#ifdef INCLUDE_DFU_INTERFACE
	usbd_register_control_callback(
				usbd_dev,
				USB_REQ_TYPE_CLASS | USB_REQ_TYPE_INTERFACE,
				USB_REQ_TYPE_TYPE | USB_REQ_TYPE_RECIPIENT,
				dfu_control_request);
#endif
}

void usb_init(void)
{

	usbd_dev = usbd_init(&stm32f103_usb_driver, &dev, &config, usb_strings, 3, usbd_control_buffer, sizeof(usbd_control_buffer));

	usbd_register_set_config_callback(usbd_dev, usb_set_config);

}

void usb_run(void)
{
	while (1)
		usbd_poll(usbd_dev);
}