/* * Copyright (c) 2015 - 2016, 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(const 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 /* * The following MACROs (USB_GLOBAL, USB_BDT, USB_RAM_ADDRESS_ALGINMENT_512) are only used for USB device stack. * The USB device global variables are put into the section m_usb_global or m_usb_bdt by using the MACRO * USB_GLOBAL and USB_BDT. In this way, the USB device global variables can be linked into USB dadicated RAM * by changing the linker file. This feature can only be enabled when the USB dadicated RAM is not less than 2K Bytes. */ #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__ */