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#include "usbd_composite.h"
using namespace GPIO_CPP_Extension;
USB_composite *usb_pointer;
USB_composite::USB_composite()
{
usb_pointer = this;
descriptors = new UsbCompositeDescriptors();
GPIO_ext uf_p(PA11);
GPIO_ext uf_m(PA12);
uf_p.mode_setup(Mode::ALTERNATE_FUNCTION, PullMode::NO_PULL);
uf_m.mode_setup(Mode::ALTERNATE_FUNCTION, PullMode::NO_PULL);
uf_p.set_af(AF_Number::AF10);
uf_m.set_af(AF_Number::AF10);
my_usb_device = usbd_init(&otgfs_usb_driver, &(descriptors->dev),
&(descriptors->config_descr), (const char**)descriptors->usb_strings, 3,
usbd_control_buffer, sizeof(usbd_control_buffer));
usbd_register_set_config_callback(my_usb_device, USB_set_config_callback);
nvic_enable_irq(NVIC_OTG_FS_IRQ);
ramdisk_init();
usb_msc_init(my_usb_device, Endpoint::E_MASS_STORAGE_IN, 64, Endpoint::E_MASS_STORAGE_OUT, 64,
"ThirdPin", "Pastilda", "0.00", ramdisk_blocks(), ramdisk_read, ramdisk_write);
}
void USB_composite::usb_send_packet(const void *buf, int len)
{
while(usbd_ep_write_packet(my_usb_device, 0x81, buf, len) == 0);
}
void USB_OTG_IRQ()
{
usbd_poll(usb_pointer->my_usb_device);
usb_pointer->last_usb_request_time = get_counter_ms();
}
int USB_composite::hid_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;
if ((req->bmRequestType & USB_REQ_TYPE_DIRECTION) == USB_REQ_TYPE_IN)
{
if ((req->bmRequestType & USB_REQ_TYPE_TYPE) == USB_REQ_TYPE_STANDARD)
{
if (req->bRequest == USB_REQ_GET_DESCRIPTOR)
{
if (req->wValue == 0x2200)
{
*buf = (uint8_t *)descriptors->keyboard_report_descriptor;
*len = sizeof(descriptors->keyboard_report_descriptor);
return (USBD_REQ_HANDLED);
}
else if (req->wValue == 0x2100)
{
*buf = (uint8_t *)&descriptors->keyboard_hid_function;
*len = sizeof(descriptors->keyboard_hid_function);
return (USBD_REQ_HANDLED);
}
return (USBD_REQ_NOTSUPP);
}
}
else if ((req->bmRequestType & USB_REQ_TYPE_TYPE) == USB_REQ_TYPE_CLASS)
{
if (req->bRequest == HidRequest::GET_REPORT)
{
*buf = (uint8_t*)&boot_key_report;
*len = sizeof(boot_key_report);
return (USBD_REQ_HANDLED);
}
else if (req->bRequest == HidRequest::GET_IDLE)
{
*buf = &keyboard_idle;
*len = sizeof(keyboard_idle);
return (USBD_REQ_HANDLED);
}
else if (req->bRequest == HidRequest::GET_PROTOCOL)
{
*buf = &keyboard_protocol;
*len = sizeof(keyboard_protocol);
return (USBD_REQ_HANDLED);
}
return (USBD_REQ_NOTSUPP);
}
}
else
{
if ((req->bmRequestType & USB_REQ_TYPE_TYPE) == USB_REQ_TYPE_CLASS)
{
if (req->bRequest == HidRequest::SET_REPORT)
{
if (*len == 1)
{
keyboard_leds = (*buf)[0];
}
return (USBD_REQ_HANDLED);
}
else if (req->bRequest == HidRequest::SET_IDLE)
{
keyboard_idle = req->wValue >> 8;
return (USBD_REQ_HANDLED);
}
else if (req->bRequest == HidRequest::SET_PROTOCOL)
{
keyboard_protocol = req->wValue;
return (USBD_REQ_HANDLED);
}
}
return (USBD_REQ_NOTSUPP);
}
return (USBD_REQ_NEXT_CALLBACK);
}
int USB_control_callback(usbd_device *usbd_dev,
struct usb_setup_data *req, uint8_t **buf, uint16_t *len,
usbd_control_complete_callback *complete)
{
return( usb_pointer->hid_control_request(usbd_dev, req, buf, len, complete));
}
void USB_set_config_callback(usbd_device *usbd_dev,
uint16_t wValue)
{
usb_pointer->hid_set_config(usbd_dev, wValue) ;
}
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