hid.cpp

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#include "ioforge/ioforge.h"
#include "ioforge/ioforge_int_pipe.hpp"
#include "ioforge/ioforge_usb.h"
#include "usb-hid/keyboard.hpp"
#include "usb.h"
#include "usb-hid/hid.hpp"
#include <ioforge/ioforge.hpp>
#include <usb.h>
 
HIDKeyboard UsbHid::keyboard;
 
void UsbHid::hid_device_setup(ioforge_usb_device* dev) {
    if (!dev->pipe) {
        log(mod, "ERROR: missing pipe on %s", dev->base.name);
        return;
    }
 
    set_configuration(dev, 1);
 
    set_iddle(dev);
 
    set_protocol(dev, 0, REPORT_PROTOCOL);
 
    if (dev->protocol == HID_KEYBOARD) {
        keyboard.load(dev);
    }
}
 
void UsbHid::set_iddle(ioforge_usb_device* dev) {
    uintptr_t setiddle_paddr = 0;
    struct usb_setup_packet* setiddle =
        (struct usb_setup_packet*) IOUtils::DMAAlloc(
            sizeof(struct usb_setup_packet), &setiddle_paddr);
 
    setiddle->bRequest = SET_IDLE;
    setiddle->bmRequestType = 0b00100001;
    // setiddle->wValue = 0;
    setiddle->wValue = ((uint16_t) dev->endpoints[0].interval);
    setiddle->wIndex = 0;
    setiddle->wLength = 0;
 
    // todo: modify send method to add endpoint parameter
    dev->controller->ops.send(dev->addr, dev->endpoints[0].address,
                  setiddle_paddr, sizeof(*setiddle), 0, 0);
 
    IOUtils::DMAFree((void*) setiddle_paddr, (void*) setiddle,
             sizeof(*setiddle));
}
 
void UsbHid::set_report(ioforge_usb_device* dev, uint8_t report) {
    uintptr_t setreport_paddr = 0;
    struct usb_setup_packet* setreport =
        (struct usb_setup_packet*) IOUtils::DMAAlloc(
            sizeof(struct usb_setup_packet), &setreport_paddr);
 
    setreport->bRequest = SET_REPORT;
    setreport->bmRequestType = 0b00100001;
    setreport->wValue = ((uint16_t) dev->endpoints[0].interval);
    setreport->wIndex = 0;
    setreport->wLength = 0;
 
    // todo: modify send method to add endpoint parameter
    dev->controller->ops.send(dev->addr, dev->endpoints[0].address,
                  setreport_paddr,
                  sizeof(struct usb_setup_packet), 0, 0);
 
    IOUtils::DMAFree((void*) setreport_paddr, (void*) setreport,
             sizeof(struct usb_setup_packet));
}
 
void UsbHid::get_report(ioforge_usb_device* dev) {
    uintptr_t setreport_paddr = 0;
    struct usb_setup_packet* setreport =
        (struct usb_setup_packet*) IOUtils::DMAAlloc(
            sizeof(struct usb_setup_packet), &setreport_paddr);
 
    setreport->bRequest = GET_REPORT;
    setreport->bmRequestType = 0b10100001;
    setreport->wValue = ((uint16_t) dev->endpoints[0].interval);
    setreport->wIndex = 0;
    setreport->wLength = 0;
 
    // todo: modify send method to add endpoint parameter
    dev->controller->ops.send(dev->addr, dev->endpoints[0].address,
                  setreport_paddr,
                  sizeof(struct usb_setup_packet), 0, 0);
 
    IOUtils::DMAFree((void*) setreport_paddr, (void*) setreport,
             sizeof(struct usb_setup_packet));
}
 
void UsbHid::set_protocol(ioforge_usb_device* dev, uint8_t interface,
              uint8_t protocol) {
    uintptr_t setreport_paddr = 0;
    struct usb_setup_packet* setreport =
        (struct usb_setup_packet*) IOUtils::DMAAlloc(
            sizeof(struct usb_setup_packet), &setreport_paddr);
 
    setreport->bRequest = SET_PROTOCOL;
    setreport->bmRequestType = 0b00100001;
    setreport->wValue = protocol;
    setreport->wIndex = interface;
    setreport->wLength = 0;
 
    // TODO: modify send method to add endpoint parameter
    dev->controller->ops.send(dev->addr, dev->endpoints[0].address,
                  setreport_paddr,
                  sizeof(struct usb_setup_packet), 0, 0);
 
    IOUtils::DMAFree((void*) setreport_paddr, (void*) setreport,
             sizeof(struct usb_setup_packet));
}