usb.h

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/*
 * This file is part of the µOS++ project (https://micro-os-plus.github.io/).
 * Copyright (c) 2016-2025 Liviu Ionescu. All rights reserved.
 * Copyright (c) 2013-2014 ARM Ltd.
 *
 * Permission to use, copy, modify, and/or distribute this software
 * for any purpose is hereby granted, under the terms of the MIT license.
 *
 * If a copy of the license was not distributed with this file, it can
 * be obtained from https://opensource.org/licenses/mit.
 */
 
/*
 * The code is inspired by ARM CMSIS Driver_USB.h file, v2.00,
 * and tries to remain functionally close to the CMSIS specifications.
 */
 
#ifndef CMSIS_PLUS_DRIVER_USB_H_
#define CMSIS_PLUS_DRIVER_USB_H_
 
// ----------------------------------------------------------------------------
 
#ifdef __cplusplus
 
// ----------------------------------------------------------------------------
 
#include <cstdint>
 
#pragma GCC diagnostic push
#if defined(__clang__)
#pragma clang diagnostic ignored "-Wc++98-compat"
#endif
 
// ----------------------------------------------------------------------------
 
namespace os
{
  namespace driver
  {
    namespace usb
    {
 
      // ----------------------------------------------------------------------
 
      using speed_t = uint8_t;
 
      enum class Speed : speed_t
      {
        low = 0,
 
        full = 1,
 
        high = 2,
      };
 
      // ----------------------------------------------------------------------
 
      using endpoint_t = uint8_t;
 
      constexpr endpoint_t ENDPOINT_NUMBER_MASK = 0x0F;
      constexpr endpoint_t ENDPOINT_DIRECTION_MASK = 0x80;
 
      // ----------------------------------------------------------------------
 
      using endpoint_type_t = uint8_t;
 
      enum class Endpoint_type : endpoint_type_t
      {
        control = 0,
 
        isochronous = 1,
 
        bulk = 2,
 
        interrupt = 3
      };
 
      // ----------------------------------------------------------------------
      using packet_size_t = uint16_t;
 
      constexpr packet_size_t ENDPOINT_MAX_PACKET_SIZE_MASK = 0x07FF;
 
      // ----------------------------------------------------------------------
      using frame_number_t = uint16_t;
 
      using device_address_t = uint8_t;
 
      // using ARM_USBH_PIPE_HANDLE = uint32_t;
      using pipe_t = uint32_t;
      using port_t = uint8_t;
 
      using hub_addr_t = uint8_t;
      using hub_port_t = uint8_t;
 
      using polling_interval_t = uint8_t;
 
    } /* namespace usb */
  } /* namespace driver */
} /* namespace os */
 
#pragma GCC diagnostic pop
 
// ----------------------------------------------------------------------------
 
#endif /* __cplusplus */
 
// ----------------------------------------------------------------------------
 
#endif /* CMSIS_PLUS_DRIVER_USB_H_ */