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65 lines
1.5 KiB
65 lines
1.5 KiB
/* |
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* Copyright (c) 2020 The ZMK Contributors |
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* |
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* SPDX-License-Identifier: MIT |
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*/ |
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#include <device.h> |
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#include <init.h> |
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#include <usb/usb_device.h> |
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#include <usb/class/usb_hid.h> |
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#include <zmk/hid.h> |
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#include <zmk/keymap.h> |
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#include <zmk/event_manager.h> |
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#include <zmk/events/usb_conn_state_changed.h> |
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LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL); |
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static enum usb_dc_status_code usb_status = USB_DC_UNKNOWN; |
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static void raise_usb_status_changed_event(struct k_work *_work) { |
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ZMK_EVENT_RAISE(new_zmk_usb_conn_state_changed( |
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(struct zmk_usb_conn_state_changed){.conn_state = zmk_usb_get_conn_state()})); |
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} |
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K_WORK_DEFINE(usb_status_notifier_work, raise_usb_status_changed_event); |
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enum usb_dc_status_code zmk_usb_get_status() { return usb_status; } |
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enum zmk_usb_conn_state zmk_usb_get_conn_state() { |
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LOG_DBG("state: %d", usb_status); |
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switch (usb_status) { |
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case USB_DC_SUSPEND: |
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case USB_DC_CONFIGURED: |
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return ZMK_USB_CONN_HID; |
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case USB_DC_DISCONNECTED: |
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case USB_DC_UNKNOWN: |
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return ZMK_USB_CONN_NONE; |
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default: |
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return ZMK_USB_CONN_POWERED; |
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} |
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} |
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void usb_status_cb(enum usb_dc_status_code status, const uint8_t *params) { |
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usb_status = status; |
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k_work_submit(&usb_status_notifier_work); |
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}; |
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static int zmk_usb_init(const struct device *_arg) { |
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int usb_enable_ret; |
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usb_enable_ret = usb_enable(usb_status_cb); |
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if (usb_enable_ret != 0) { |
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LOG_ERR("Unable to enable USB"); |
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return -EINVAL; |
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} |
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return 0; |
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} |
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SYS_INIT(zmk_usb_init, APPLICATION, CONFIG_ZMK_USB_INIT_PRIORITY);
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