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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_amsallocator.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 AMS Allocator Interface
+ *
+ * \cond UCS_INTERNAL_DOC
+ * \addtogroup G_AMSC
+ * @{
+ */
+
+#ifndef UCS_AMSALLOCATOR_H
+#define UCS_AMSALLOCATOR_H
+
+/*------------------------------------------------------------------------------------------------*/
+/* Includes */
+/*------------------------------------------------------------------------------------------------*/
+#include "ucs_types_cfg.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/*------------------------------------------------------------------------------------------------*/
+/* Types */
+/*------------------------------------------------------------------------------------------------*/
+/*! \brief Defines the usage of a requested memory chunk */
+typedef enum Ams_MemUsage_
+{
+ AMS_MU_RX_OBJECT, /*!< \brief Memory is required to allocate an Rx message object */
+ AMS_MU_RX_PAYLOAD, /*!< \brief Memory is required to allocate Rx message payload */
+ AMS_MU_TX_OBJECT, /*!< \brief Memory is required to allocate a Tx message object */
+ AMS_MU_TX_PAYLOAD /*!< \brief Memory is required to allocate Tx message payload */
+
+} Ams_MemUsage_t;
+
+/*! \brief Callback function type that is invoked to allocate external payload for a segmented Rx message
+ * \param inst_ptr Reference to the (external) memory management
+ * \param mem_size Reference to the required memory size in bytes. Valid values: 0..65535.
+ * \param type Declares how the memory is used by UNICENS
+ * \param custom_info_pptr Reference which is related to the memory chunk and can be set by
+ * the application.
+ * \return Pointer to the provided memory chunk. The application has to guarantee that the memory size
+ * is equal or greater than \c mem_size. The application has to return \c NULL if it is not able
+ * to allocate the required memory at this moment.
+ */
+typedef void* (*Ams_AllocMemCb_t)(void *inst_ptr, uint16_t mem_size, Ams_MemUsage_t type, void** custom_info_pptr);
+
+/*! \brief Callback function type that is invoked to free external payload for a segmented Rx message
+ * \param inst_ptr Reference to the (external) memory management
+ * \param mem_ptr Reference to the external payload memory
+ * \param type Declares how the memory is used by UNICENS
+ * \param custom_info_ptr Reference to memory related information which was set by the application
+ * during memory allocation
+ */
+typedef void (*Ams_FreeMemCb_t)(void *inst_ptr, void *mem_ptr, Ams_MemUsage_t type, void* custom_info_ptr);
+
+/*------------------------------------------------------------------------------------------------*/
+/* Allocator interface */
+/*------------------------------------------------------------------------------------------------*/
+/*! \brief Keeps callback functions to an external memory management for Rx payload */
+typedef struct Ams_MemAllocator_
+{
+ void *inst_ptr; /*!< \brief The instance of the (external) memory management */
+ Ams_AllocMemCb_t alloc_fptr; /*!< \brief This function is invoked to allocate Rx user payload */
+ Ams_FreeMemCb_t free_fptr; /*!< \brief This function is invoked to free Rx user payload */
+
+} Ams_MemAllocator_t;
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* UCS_AMSALLOCATOR_H */
+
+/*!
+ * @}
+ * \endcond
+ */
+
+/*------------------------------------------------------------------------------------------------*/
+/* End of file */
+/*------------------------------------------------------------------------------------------------*/
+