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authorFulup Ar Foll <fulup@iot.bzh>2017-05-26 18:45:56 +0200
committerFulup Ar Foll <fulup@iot.bzh>2017-05-26 18:45:56 +0200
commitd2e42029ec04c3f224580f8007cdfbbfe0fc47a6 (patch)
treead2ccf167cf7997c84191d41e6ba55cb2efd6bed /ucs2-lib/inc/ucs_misc.h
parent18e393e1443fd4c38b34979888fb55d30448cf31 (diff)
Initial Commit
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+/*------------------------------------------------------------------------------------------------*/
+/* UNICENS V2.1.0-3491 */
+/* Copyright (c) 2017 Microchip Technology Germany II GmbH & Co. KG. */
+/* */
+/* This program is free software: you can redistribute it and/or modify */
+/* it under the terms of the GNU General Public License as published by */
+/* the Free Software Foundation, either version 2 of the License, or */
+/* (at your option) any later version. */
+/* */
+/* This program is distributed in the hope that it will be useful, */
+/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
+/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
+/* GNU General Public License for more details. */
+/* */
+/* You should have received a copy of the GNU General Public License */
+/* along with this program. If not, see <http://www.gnu.org/licenses/>. */
+/* */
+/* You may also obtain this software under a propriety license from Microchip. */
+/* Please contact Microchip for further information. */
+/*------------------------------------------------------------------------------------------------*/
+
+/*!
+ * \file
+ * \brief Internal header file of the library module which contains miscellaneous helper functions.
+ *
+ * \cond UCS_INTERNAL_DOC
+ * \addtogroup G_MISC
+ * @{
+ */
+
+#ifndef UCS_MISC_H
+#define UCS_MISC_H
+
+/*------------------------------------------------------------------------------------------------*/
+/* Includes */
+/*------------------------------------------------------------------------------------------------*/
+#include "ucs_rules.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/*------------------------------------------------------------------------------------------------*/
+/* Standard library functions */
+/*------------------------------------------------------------------------------------------------*/
+/* parasoft suppress item MISRA2004-19_7 reason "function-like macros allowed for stdlib and helper functions" */
+
+/*! \def MISC_MEM_SET
+ * \brief Macro to encapsulate memset function
+ * \details By defining the macro UCS_MEM_SET the application is able to specify its own memset
+ * function. If the macro is not defined UNICENS internal memset function
+ * Misc_MemSet() is used.
+ * \param dest Pointer to the block of memory to fill
+ * \param value Value to be set
+ * \param size Number of bytes to be set to the value.
+ */
+#ifdef UCS_MEM_SET
+#define MISC_MEM_SET(dest, value, size) (UCS_MEM_SET((dest), (value), (size)))
+#else
+#define MISC_MEM_SET(dest, value, size) (Misc_MemSet((dest), (value), (size)))
+#endif
+
+/*! \def MISC_MEM_CPY
+ * \brief Macro to encapsulate memcpy function
+ * \details By defining the macro UCS_MEM_CPY the application is able to specify its own memcpy
+ * function. If the macro is not defined UNICENS internal memcpy function
+ * Misc_MemCpy() is used.
+ * \param dest Pointer to the destination array where the content is to be copied
+ * \param src Pointer to the source of data to be copied
+ * \param size Number of bytes to copy
+ */
+#ifdef UCS_MEM_CPY
+#define MISC_MEM_CPY(dest, src, size) (UCS_MEM_CPY((dest), (src), (size)))
+#else
+#define MISC_MEM_CPY(dest, src, size) (Misc_MemCpy((dest), (src), (size)))
+#endif
+
+/*------------------------------------------------------------------------------------------------*/
+/* Helper Macros */
+/*------------------------------------------------------------------------------------------------*/
+/*! \brief Macro to avoid compiler warning "Unused Parameter" */
+#define MISC_UNUSED(p) ((p) = (p))
+
+/*! \brief High Byte of 16-bit value */
+#define MISC_HB(value) ((uint8_t)((uint16_t)(value) >> 8))
+
+/*! \brief Low Byte of 16-bit value */
+#define MISC_LB(value) ((uint8_t)((uint16_t)(value) & (uint16_t)0xFF))
+
+/*! \brief Big-Endian to target 16 bit */
+#define MISC_DECODE_WORD(w_ptr, msb_ptr) (*(w_ptr) = \
+ (uint16_t)((uint16_t)((uint16_t)(msb_ptr)[0] << 8) | (uint16_t)(msb_ptr)[1]))
+
+/*! \brief Big-Endian to target 32 bit */
+#define MISC_DECODE_DWORD(dw_ptr, msb_ptr) (*(dw_ptr) = \
+ (uint32_t)((uint32_t)((uint32_t)(msb_ptr)[0] << 24) | \
+ (uint32_t)((uint32_t)(msb_ptr)[1] << 16) | \
+ (uint32_t)((uint32_t)(msb_ptr)[2] << 8) | (uint32_t)(msb_ptr)[3]))
+
+/*! \brief Checks if a value is inside a certain range */
+#define MISC_IS_VALUE_IN_RANGE(val, min, max) ((((val) >= (min)) && ((val) <= (max))) ? true : false)
+
+/*! \brief Checks if the given size is a multiple of 4. If not, the given size is corrected
+ * by that macro.
+ */
+#define MISC_QUADLET_ALGINED_SIZE(size) (((((size)+4U)-1U)/4U)*4U)
+
+/* parasoft unsuppress item MISRA2004-19_7 reason "function-like macros allowed for stdlib and helper functions" */
+
+/*------------------------------------------------------------------------------------------------*/
+/* Prototypes */
+/*------------------------------------------------------------------------------------------------*/
+extern void Misc_MemSet(void *dst_ptr, int32_t value, uint32_t size);
+extern void Misc_MemCpy(void *dst_ptr, void *src_ptr, uint32_t size);
+
+/*!
+ * @}
+ * \endcond
+ */
+
+/*!
+ * \def UCS_MEM_SET
+ * \brief Customer assignment of memset function
+ * \details By defining the macro UCS_MEM_SET the application is able to specify its own memset
+ * function to be used by UNICENS. If the macro is not set will use byte wise write operations.
+ * \ingroup G_UCS_MISC_CFG
+ */
+#ifndef UCS_MEM_SET
+#define UCS_MEM_SET
+#endif
+
+/*!
+ * \def UCS_MEM_CPY
+ * \brief Customer assignment of memcpy function
+ * \details By defining the macro UCS_MEM_CPY the application is able to specify its own memcpy
+ * function to be used by UNICENS. If the macro is not set UNICENS will use byte wise copy operations.
+ * \ingroup G_UCS_MISC_CFG
+ */
+#ifndef UCS_MEM_CPY
+#define UCS_MEM_CPY
+#endif
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* UCS_MISC_H */
+
+/*------------------------------------------------------------------------------------------------*/
+/* End of file */
+/*------------------------------------------------------------------------------------------------*/
+