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#include "project.h"
#define USB_DM GPIO11
#define USB_DM_PORT GPIOA
#define USB_DP GPIO12
#define USB_DP_PORT GPIOA
uint8_t usbd_control_buffer[1024];
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 = 0xdf11,
.bcdDevice = 0x0200,
.iManufacturer = 1,
.iProduct = 2,
.iSerialNumber = 3,
.bNumConfigurations = 1,
};
const struct usb_interface ifaces[] = {{
.num_altsetting = 1,
.altsetting = &dfu_iface,
}
};
const struct usb_config_descriptor config = {
.bLength = USB_DT_CONFIGURATION_SIZE,
.bDescriptorType = USB_DT_CONFIGURATION,
.wTotalLength = 0,
.bNumInterfaces = 1,
.bConfigurationValue = 1,
.iConfiguration = 0,
.bmAttributes = 0xC0,
.bMaxPower = 0x32,
.interface = ifaces,
};
static const char *usb_strings[] = {
VENDOR_NAME,
PRODUCT_NAME " (dfu mode)",
SERIAL_NUMBER,
/* This string is used by ST Microelectronics' DfuSe utility. */
"@Internal Flash /0x08000000/04*016Kg,01*064Kg,07*128Kg",
};
#define N_USB_STRINGS (sizeof(usb_strings)/sizeof(usb_strings[0]))
void
usb_set_config (usbd_device *usbd_dev, uint16_t wValue)
{
(void) wValue;
(void) usbd_dev;
usbd_register_control_callback (
usbd_dev,
USB_REQ_TYPE_CLASS | USB_REQ_TYPE_INTERFACE,
USB_REQ_TYPE_TYPE | USB_REQ_TYPE_RECIPIENT,
usbdfu_control_request);
}
void usb (void)
{
usbd_device *usbd_dev;
rcc_periph_clock_enable (RCC_GPIOA);
rcc_periph_clock_enable (RCC_OTGFS);
MAP_AF_100 (USB_DP, GPIO_AF10);
MAP_AF_100 (USB_DM, GPIO_AF10);
usbd_dev = usbd_init (&otgfs_usb_driver, &dev, &config, usb_strings, N_USB_STRINGS, usbd_control_buffer, sizeof (usbd_control_buffer));
OTG_FS_GCCFG |= OTG_GCCFG_NOVBUSSENS;
OTG_FS_GCCFG &= ~OTG_GCCFG_VBUSASEN;
OTG_FS_GCCFG &= ~OTG_GCCFG_VBUSBSEN;
usbd_register_set_config_callback (usbd_dev, usb_set_config);
while (1)
usbd_poll (usbd_dev);
}
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