usbd_msg.h

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/*
 * Copyright (c) 2024 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_USBD_MSG_H_
#define ZEPHYR_INCLUDE_USBD_MSG_H_
 
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
enum usbd_msg_type {
        USBD_MSG_VBUS_READY,
        USBD_MSG_VBUS_REMOVED,
        USBD_MSG_RESUME,
        USBD_MSG_SUSPEND,
        USBD_MSG_RESET,
        USBD_MSG_CONFIGURATION,
        USBD_MSG_UDC_ERROR,
        USBD_MSG_STACK_ERROR,
        USBD_MSG_CDC_ACM_LINE_CODING,
        USBD_MSG_CDC_ACM_CONTROL_LINE_STATE,
        USBD_MSG_MAX_NUMBER,
};
 
static const char *const usbd_msg_type_list[] = {
        "VBUS ready",
        "VBUS removed",
        "Device resumed",
        "Device suspended",
        "Bus reset",
        "New device configuration",
        "Controller error",
        "Stack error",
        "CDC ACM line coding",
        "CDC ACM control line state",
};
 
BUILD_ASSERT(ARRAY_SIZE(usbd_msg_type_list) == USBD_MSG_MAX_NUMBER,
             "Number of entries in usbd_msg_type_list is not equal to USBD_MSG_MAX_NUMBER");
struct usbd_msg {
        enum usbd_msg_type type;
        union {
                int status;
                const struct device *dev;
        };
};
 
static inline const char *usbd_msg_type_string(const enum usbd_msg_type type)
{
        if (type >= 0 && type < USBD_MSG_MAX_NUMBER) {
                return usbd_msg_type_list[type];
        }
 
        return "?";
}
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_USBD_MSG_H_ */