text: /*
   * Copyright (c) 2015, Freescale Semiconductor, Inc.
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without modification,
   * are permitted provided that the following conditions are met:
   *
   * o Redistributions of source code must retain the above copyright notice, this list
   *   of conditions and the following disclaimer.
   *
   * o Redistributions in binary form must reproduce the above copyright notice, this
   *   list of conditions and the following disclaimer in the documentation and/or
   *   other materials provided with the distribution.
   *
   * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
   *   contributors may be used to endorse or promote products derived from this
   *   software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
   * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
   * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef __USB_MISC_H__
  #define __USB_MISC_H__
  
  #ifndef ENDIANNESS
  
  #error ENDIANNESS should be defined, and then rebulid the project.
  
  #endif
  
  /*******************************************************************************
   * Definitions
   ******************************************************************************/
  
  /*! @brief Define USB printf */
  #if defined(__cplusplus)
  extern "C" {
  #endif /* __cplusplus */
  
  extern int DbgConsole_Printf(char *fmt_s, ...);
  
  #if defined(__cplusplus)
  }
  #endif /* __cplusplus */
  
  #define usb_echo DbgConsole_Printf
  
  #if defined(__ICCARM__)
  
  #ifndef STRUCT_PACKED
  #define STRUCT_PACKED __packed
  #endif
  
  #ifndef STRUCT_UNPACKED
  #define STRUCT_UNPACKED
  #endif
  
  #elif defined(__GNUC__)
  
  #ifndef STRUCT_PACKED
  #define STRUCT_PACKED
  #endif
  
  #ifndef STRUCT_UNPACKED
  #define STRUCT_UNPACKED __attribute__((__packed__))
  #endif
  
  #elif defined(__CC_ARM)
  
  #ifndef STRUCT_PACKED
  #define STRUCT_PACKED _Pragma("pack(1U)")
  #endif
  
  #ifndef STRUCT_UNPACKED
  #define STRUCT_UNPACKED _Pragma("pack()")
  #endif
  
  #endif
  
  #define USB_SHORT_GET_LOW(x) (((uint16_t)x) & 0xFFU)
  #define USB_SHORT_GET_HIGH(x) ((uint8_t)(((uint16_t)x) >> 8U) & 0xFFU)
  
  #define USB_LONG_GET_BYTE0(x) ((uint8_t)(((uint32_t)(x))) & 0xFFU)
  #define USB_LONG_GET_BYTE1(x) ((uint8_t)(((uint32_t)(x)) >> 8U) & 0xFFU)
  #define USB_LONG_GET_BYTE2(x) ((uint8_t)(((uint32_t)(x)) >> 16U) & 0xFFU)
  #define USB_LONG_GET_BYTE3(x) ((uint8_t)(((uint32_t)(x)) >> 24U) & 0xFFU)
  
  #define USB_MEM4_ALIGN_MASK (0x03U)
  
  /* accessory macro */
  #define USB_MEM4_ALIGN(n) ((n + 3U) & (0xFFFFFFFCu))
  #define USB_MEM32_ALIGN(n) ((n + 31U) & (0xFFFFFFE0u))
  #define USB_MEM64_ALIGN(n) ((n + 63U) & (0xFFFFFFC0u))
  
  /* big/little endian */
  #define SWAP2BYTE_CONST(n) ((((n)&0x00FFU) << 8U) | (((n)&0xFF00U) >> 8U))
  #define SWAP4BYTE_CONST(n) \
      ((((n)&0x000000FFU) << 24U) | (((n)&0x0000FF00U) << 8U) | (((n)&0x00FF0000U) >> 8U) | (((n)&0xFF000000U) >> 24U))
  
  #if (ENDIANNESS == BIG_ENDIAN)
  
  #define USB_SHORT_TO_LITTLE_ENDIAN(n) SWAP2BYTE_CONST(n)
  #define USB_LONG_TO_LITTLE_ENDIAN(n) SWAP4BYTE_CONST(n)
  #define USB_SHORT_FROM_LITTLE_ENDIAN(n) SWAP2BYTE_CONST(n)
  #define USB_LONG_FROM_LITTLE_ENDIAN(n) SWAP2BYTE_CONST(n)
  
  #define USB_SHORT_TO_BIG_ENDIAN(n) (n)
  #define USB_LONG_TO_BIG_ENDIAN(n) (n)
  #define USB_SHORT_FROM_BIG_ENDIAN(n) (n)
  #define USB_LONG_FROM_BIG_ENDIAN(n) (n)
  
  #define USB_LONG_TO_LITTLE_ENDIAN_ADDRESS(n, m) \
      {                                           \
          m[0] = ((n >> 24U) & 0xFFU);            \
          m[1] = ((n >> 16U) & 0xFFU);            \
          m[2] = ((n >> 8U) & 0xFFU);             \
          m[3] = (n & 0xFFU);                     \
      }
  
  #define USB_LONG_FROM_LITTLE_ENDIAN_ADDRESS(n) \
      ((uint32_t)(((uint32_t)n[0] << 24U) | ((uint32_t)n[1] << 16U) | ((uint32_t)n[2] << 8U) | ((uint32_t)n[3] << 0U)))
  
  #define USB_LONG_TO_BIG_ENDIAN_ADDRESS(n, m) \
      {                                        \
          m[3] = ((n >> 24U) & 0xFFU);         \
          m[2] = ((n >> 16U) & 0xFFU);         \
          m[1] = ((n >> 8U) & 0xFFU);          \
          m[0] = (n & 0xFFU);                  \
      }
  
  #define USB_LONG_FROM_BIG_ENDIAN_ADDRESS(n) \
      ((uint32_t)(((uint32_t)n[3] << 24U) | ((uint32_t)n[2] << 16U) | ((uint32_t)n[1] << 8U) | ((uint32_t)n[0] << 0U)))
  
  #define USB_SHORT_TO_LITTLE_ENDIAN_ADDRESS(n, m) \
      {                                            \
          m[0] = ((n >> 8U) & 0xFFU);              \
          m[1] = (n & 0xFFU);                      \
      }
  
  #define USB_SHORT_FROM_LITTLE_ENDIAN_ADDRESS(n) ((uint32_t)(((uint32_t)n[0] << 8U) | ((uint32_t)n[1] << 0U)))
  
  #define USB_SHORT_TO_BIG_ENDIAN_ADDRESS(n, m) \
      {                                         \
          m[1] = ((n >> 8U) & 0xFFU);           \
          m[0] = (n & 0xFFU);                   \
      }
  
  #define USB_SHORT_FROM_BIG_ENDIAN_ADDRESS(n) ((uint32_t)(((uint32_t)n[1] << 8U) | ((uint32_t)n[0] << 0U)))
  
  #else
  
  #define USB_SHORT_TO_LITTLE_ENDIAN(n) (n)
  #define USB_LONG_TO_LITTLE_ENDIAN(n) (n)
  #define USB_SHORT_FROM_LITTLE_ENDIAN(n) (n)
  #define USB_LONG_FROM_LITTLE_ENDIAN(n) (n)
  
  #define USB_SHORT_TO_BIG_ENDIAN(n) SWAP2BYTE_CONST(n)
  #define USB_LONG_TO_BIG_ENDIAN(n) SWAP4BYTE_CONST(n)
  #define USB_SHORT_FROM_BIG_ENDIAN(n) SWAP2BYTE_CONST(n)
  #define USB_LONG_FROM_BIG_ENDIAN(n) SWAP4BYTE_CONST(n)
  
  #define USB_LONG_TO_LITTLE_ENDIAN_ADDRESS(n, m) \
      {                                           \
          m[3] = ((n >> 24U) & 0xFFU);            \
          m[2] = ((n >> 16U) & 0xFFU);            \
          m[1] = ((n >> 8U) & 0xFFU);             \
          m[0] = (n & 0xFFU);                     \
      }
  
  #define USB_LONG_FROM_LITTLE_ENDIAN_ADDRESS(n) \
      ((uint32_t)(((uint32_t)n[3] << 24U) | ((uint32_t)n[2] << 16U) | ((uint32_t)n[1] << 8U) | ((uint32_t)n[0] << 0U)))
  
  #define USB_LONG_TO_BIG_ENDIAN_ADDRESS(n, m) \
      {                                        \
          m[0] = ((n >> 24U) & 0xFFU);         \
          m[1] = ((n >> 16U) & 0xFFU);         \
          m[2] = ((n >> 8U) & 0xFFU);          \
          m[3] = (n & 0xFFU);                  \
      }
  
  #define USB_LONG_FROM_BIG_ENDIAN_ADDRESS(n) \
      ((uint32_t)(((uint32_t)n[0] << 24U) | ((uint32_t)n[1] << 16U) | ((uint32_t)n[2] << 8U) | ((uint32_t)n[3] << 0U)))
  
  #define USB_SHORT_TO_LITTLE_ENDIAN_ADDRESS(n, m) \
      {                                            \
          m[1] = ((n >> 8U) & 0xFFU);              \
          m[0] = (n & 0xFFU);                      \
      }
  
  #define USB_SHORT_FROM_LITTLE_ENDIAN_ADDRESS(n) ((uint32_t)(((uint32_t)n[1] << 8U) | ((uint32_t)n[0] << 0U)))
  
  #define USB_SHORT_TO_BIG_ENDIAN_ADDRESS(n, m) \
      {                                         \
          m[0] = ((n >> 8U) & 0xFFU);           \
          m[1] = (n & 0xFFU);                   \
      }
  
  #define USB_SHORT_FROM_BIG_ENDIAN_ADDRESS(n) ((uint32_t)(((uint32_t)n[0] << 8U) | ((uint32_t)n[1] << 0U)))
  #endif
  
  #if defined(__ICCARM__)
  
  #define USB_GLOBAL _Pragma("location = \"m_usb_global\"")
  #define USB_BDT _Pragma("location = \"m_usb_bdt\"")
  #define USB_RAM_ADDRESS_ALGINMENT_512 _Pragma("data_alignment = 512U")
  
  #elif defined(__CC_ARM)
  
  #define USB_GLOBAL __attribute__((section("m_usb_global"))) __attribute__((zero_init))
  #define USB_BDT __attribute__((section("m_usb_bdt"))) __attribute__((zero_init))
  #define USB_RAM_ADDRESS_ALGINMENT_512 __attribute__((aligned(512U)))
  
  #elif defined(__GNUC__)
  
  #define USB_GLOBAL __attribute__((section("m_usb_global")))
  #define USB_BDT __attribute__((section("m_usb_bdt")))
  #define USB_RAM_ADDRESS_ALGINMENT_512 __attribute__((aligned(512U)))
  
  #else
  #error The tool-chain is not supported.
  #endif
  
  #endif /* __USB_MISC_H__ */
  