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#include "project.h"
#ifdef INCLUDE_DFU_INTERFACE
const struct usb_dfu_descriptor dfu_function = {
.bLength = sizeof (struct usb_dfu_descriptor),
.bDescriptorType = DFU_FUNCTIONAL,
.bmAttributes = USB_DFU_CAN_DOWNLOAD | USB_DFU_WILL_DETACH,
.wDetachTimeout = 255,
.wTransferSize = 1024,
.bcdDFUVersion = 0x011A,
};
const struct usb_interface_descriptor dfu_iface = {
.bLength = USB_DT_INTERFACE_SIZE,
.bDescriptorType = USB_DT_INTERFACE,
.bInterfaceNumber = 3,
.bAlternateSetting = 0,
.bNumEndpoints = 0,
.bInterfaceClass = 0xFE,
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 1,
.iInterface = 0,
.extra = &dfu_function,
.extralen = sizeof (dfu_function),
};
static void
dfu_detach_complete (usbd_device * usbd_dev, struct usb_setup_data *req)
{
(void) req;
(void) usbd_dev;
gpio_set_mode (GPIOA, GPIO_MODE_INPUT, 0, GPIO15);
gpio_set_mode (GPIOA, GPIO_MODE_OUTPUT_2_MHZ,
GPIO_CNF_OUTPUT_PUSHPULL, GPIO10);
gpio_set (GPIOA, GPIO10);
scb_reset_core ();
}
int
dfu_control_request (usbd_device * usbd_dev, struct usb_setup_data *req,
uint8_t ** buf, uint16_t * len,
void (**complete) (usbd_device * usbd_dev,
struct usb_setup_data * req))
{
(void) buf;
(void) len;
(void) usbd_dev;
if ((req->bmRequestType != 0x21) || (req->bRequest != DFU_DETACH))
return 0; /* Only accept class request. */
*complete = dfu_detach_complete;
return 1;
}
#endif
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