mbed-os/platform/mbed_error_hist.h

118 lines
4.0 KiB
C

/* mbed Microcontroller Library
* Copyright (c) 2006-2013 ARM Limited
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MBED_ERROR_HIST_H
#define MBED_ERROR_HIST_H
#ifndef MBED_CONF_PLATFORM_ERROR_HIST_SIZE
#define MBED_CONF_PLATFORM_ERROR_HIST_SIZE 4
#else
#if MBED_CONF_PLATFORM_ERROR_HIST_SIZE == 0
#define MBED_CONF_PLATFORM_ERROR_HIST_SIZE 1
#endif
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*
* Puts/Adds an error entry into the error history list
*
* @param error_ctx pointer to the mbed_error_ctx struct with the error context
* @return 0 or MBED_SUCCESS on success.
* MBED_ERROR_WRITE_FAILED if writing to file failed
* MBED_ERROR_INVALID_ARGUMENT if path is not valid
*
*
*/
mbed_error_status_t mbed_error_hist_put(mbed_error_ctx *error_ctx);
/*
* Reads the error entry from the error list with the specified index
*
* @param index Index of the error context to be retrieved. It starts from 0 and 0 is the oldest.
* @param error_ctx pointer to the mbed_error_ctx struct where the error context will be filled, this should be allocated by the caller
* @return 0 or MBED_SUCCESS on success.
* MBED_ERROR_WRITE_FAILED if writing to file failed
* MBED_ERROR_INVALID_ARGUMENT if path is not valid
*
*
*/
mbed_error_status_t mbed_error_hist_get(int index, mbed_error_ctx *error_ctx);
/*
* Gets a reference to the next error entry in the error log where in the error ctx can be filled in.
* Its like reserving the next error entry to fill in the error info
*
* @return Returns the pointer to the next error ctx entry
*
*
*/
mbed_error_ctx *mbed_error_hist_get_entry(void);
/*
* Reads the last(latest) error entry from the error history
*
* @param error_ctx pointer to the mbed_error_ctx struct where the error context will be filled, this should be allocated by the caller
* @return 0 or MBED_SUCCESS on success.
* MBED_ERROR_WRITE_FAILED if writing to file failed
* MBED_ERROR_INVALID_ARGUMENT if path is not valid
*
*
*/
mbed_error_status_t mbed_error_hist_get_last_error(mbed_error_ctx *error_ctx);
/*
* Returns the number of error entries in the error history list
*
* @return Number of entries in the history list
*
*
*/
int mbed_error_hist_get_count(void);
/*
* Resets the error log by resetting the number of errors to 0 and clears all previous errors in the history list
*
* @return 0 or MBED_SUCCESS on success.
* MBED_ERROR_WRITE_FAILED if writing to file failed
* MBED_ERROR_INVALID_ARGUMENT if path is not valid
*
*
*/
mbed_error_status_t mbed_error_hist_reset(void);
/*
* Saves the error log information to a file
*
* @param path path to the file in the filesystem
* @return 0 or MBED_SUCCESS on success.
* MBED_ERROR_WRITE_FAILED if writing to file failed
* MBED_ERROR_INVALID_ARGUMENT if path is not valid
*
* @note Filesystem support is required in order for this function to work.
*
*/
mbed_error_status_t mbed_save_error_hist(const char *path);
#ifdef __cplusplus
}
#endif
#endif