65 lines
1.4 KiB
C
65 lines
1.4 KiB
C
/*
|
|
* Copyright (c) 2020 The ZMK Contributors
|
|
*
|
|
* SPDX-License-Identifier: MIT
|
|
*/
|
|
|
|
#include <device.h>
|
|
#include <init.h>
|
|
|
|
#include <usb/usb_device.h>
|
|
#include <usb/class/usb_hid.h>
|
|
|
|
#include <zmk/usb.h>
|
|
#include <zmk/hid.h>
|
|
#include <zmk/keymap.h>
|
|
#include <zmk/event_manager.h>
|
|
|
|
LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
|
|
|
|
static const struct device *hid_dev;
|
|
|
|
static K_SEM_DEFINE(hid_sem, 1, 1);
|
|
|
|
static void in_ready_cb(const struct device *dev) { k_sem_give(&hid_sem); }
|
|
|
|
static const struct hid_ops ops = {
|
|
.int_in_ready = in_ready_cb,
|
|
};
|
|
|
|
int zmk_usb_hid_send_report(const uint8_t *report, size_t len) {
|
|
switch (zmk_usb_get_status()) {
|
|
case USB_DC_SUSPEND:
|
|
return usb_wakeup_request();
|
|
case USB_DC_ERROR:
|
|
case USB_DC_RESET:
|
|
case USB_DC_DISCONNECTED:
|
|
case USB_DC_UNKNOWN:
|
|
return -ENODEV;
|
|
default:
|
|
k_sem_take(&hid_sem, K_MSEC(30));
|
|
int err = hid_int_ep_write(hid_dev, report, len, NULL);
|
|
|
|
if (err) {
|
|
k_sem_give(&hid_sem);
|
|
}
|
|
|
|
return err;
|
|
}
|
|
}
|
|
|
|
static int zmk_usb_hid_init(const struct device *_arg) {
|
|
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), &ops);
|
|
usb_hid_init(hid_dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
SYS_INIT(zmk_usb_hid_init, APPLICATION, CONFIG_APPLICATION_INIT_PRIORITY);
|