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#include <device.h>
#include <usb/usb_device.h>
#include <usb/class/usb_hid.h>
#include <dt-bindings/zmk/keys.h>
#include <zmk/hid.h>
#include <zmk/keymap.h>
LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
static enum usb_dc_status_code usb_status;
static struct device *hid_dev;
int zmk_usb_hid_send_report(const u8_t *report, size_t len)
{
if (usb_status == USB_DC_SUSPEND)
{
return usb_wakeup_request();
}
return hid_int_ep_write(hid_dev, report, len, NULL);
}
void usb_hid_status_cb(enum usb_dc_status_code status, const u8_t *params)
{
usb_status = status;
};
int zmk_usb_hid_init()
{
int usb_enable_ret;
hid_dev = device_get_binding("HID_0");
if (hid_dev == NULL)
{
LOG_ERR("Unable to locate HID device");
return -EINVAL;
}
usb_hid_register_device(hid_dev,
zmk_hid_report_desc, sizeof(zmk_hid_report_desc),
NULL);
usb_hid_init(hid_dev);
usb_enable_ret = usb_enable(usb_hid_status_cb);
if (usb_enable_ret != 0)
{
LOG_ERR("Unable to enable USB");
return -EINVAL;
}
return 0;
}