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#include "project.h"
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 = ID_VENDOR,
.idProduct = ID_PRODUCT,
.bcdDevice = 0x0200,
.iManufacturer = 1,
.iProduct = 2,
.iSerialNumber = 3,
.bNumConfigurations = 1,
};
const struct usb_interface ifaces[] = {
{
.num_altsetting = 1,
.altsetting = &keyboard_iface,
},
{
.num_altsetting = 1,
.altsetting = &consumer_iface,
},
{
.num_altsetting = 1,
.altsetting = &dfu_iface,
},
};
const struct usb_config_descriptor config = {
.bLength = USB_DT_CONFIGURATION_SIZE,
.bDescriptorType = USB_DT_CONFIGURATION,
.wTotalLength = 0,
.bNumInterfaces = 3,
.bConfigurationValue = 1,
.iConfiguration = 4,
.bmAttributes = 0xa0,
.bMaxPower = 0x31,
.interface = ifaces,
};
static const char *usb_strings[] = {
"James",
"Tim's keyboard",
"000001",
"composite",
"keyboard",
"media buttons",
"dfu device",
};
usbd_device *usbd_dev;
static int
usb_control_class_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))
{
if (keyboard_control_request(usbd_dev,req,buf,len,complete)) return 1;
if (dfu_control_request(usbd_dev,req,buf,len,complete)) return 1;
return 0;
}
static int
usb_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) complete;
(void) usbd_dev;
switch (req->wIndex)
{
case 0:
keyboard_get_descriptor (buf, len);
return 1;
case 1:
consumer_get_descriptor (buf, len);
return 1;
}
*len = 0;
return 0;
*len = 0;
return 0;
}
void
usb_set_config (usbd_device * usbd_dev, uint16_t wValue)
{
(void) wValue;
(void) usbd_dev;
usbd_ep_setup (usbd_dev, KEYBOARD_EP, USB_ENDPOINT_ATTR_INTERRUPT, KEYBOARD_EP_TXN_SIZE, NULL);
usbd_ep_setup (usbd_dev, CONSUMER_EP, USB_ENDPOINT_ATTR_INTERRUPT, CONSUMER_EP_TXN_SIZE, NULL);
usbd_register_control_callback (usbd_dev,
USB_REQ_TYPE_STANDARD | USB_REQ_TYPE_INTERFACE,
USB_REQ_TYPE_TYPE | USB_REQ_TYPE_RECIPIENT,
usb_control_request);
usbd_register_control_callback (usbd_dev,
USB_REQ_TYPE_CLASS | USB_REQ_TYPE_INTERFACE,
USB_REQ_TYPE_TYPE | USB_REQ_TYPE_RECIPIENT,
usb_control_class_request);
}
/* Buffer to be used for control requests. */
static uint8_t usbd_control_buffer[128];
void
usb_init (void)
{
usbd_dev =
usbd_init (&stm32f103_usb_driver, &dev, &config, usb_strings, 8,
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);
}
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