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- /* mbed Microcontroller Library
- * Copyright (c) 2006-2013 ARM Limited
- *
- * 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.
- */
- #include <stdlib.h>
- #include <stdarg.h>
- #include "device.h"
- #include "platform/mbed_error.h"
- #include "platform/mbed_toolchain.h"
- #include "platform/mbed_critical.h"
- #include "platform/mbed_interface.h"
- #if MBED_CONF_PLATFORM_ERROR_HIST_ENABLED
- #include "platform/mbed_error_hist.h"
- static mbed_error_ctx mbed_error_ctx_log[MBED_CONF_PLATFORM_ERROR_HIST_SIZE] = {0};
- static int error_log_count = -1;
- mbed_error_status_t mbed_error_hist_put(mbed_error_ctx *error_ctx)
- {
- //Return error if error_ctx is NULL
- if (NULL == error_ctx) {
- return MBED_ERROR_INVALID_ARGUMENT;
- }
- core_util_critical_section_enter();
- error_log_count++;
- memcpy(&mbed_error_ctx_log[error_log_count % MBED_CONF_PLATFORM_ERROR_HIST_SIZE], error_ctx, sizeof(mbed_error_ctx));
- core_util_critical_section_exit();
- return MBED_SUCCESS;
- }
- mbed_error_status_t mbed_error_hist_get(int index, mbed_error_ctx *error_ctx)
- {
- //Return error if index is more than max log size
- if (index >= MBED_CONF_PLATFORM_ERROR_HIST_SIZE) {
- return MBED_ERROR_INVALID_ARGUMENT;
- }
- core_util_critical_section_enter();
- //calculate the index where we want to pick the ctx
- if (error_log_count >= MBED_CONF_PLATFORM_ERROR_HIST_SIZE) {
- index = (error_log_count + index + 1) % MBED_CONF_PLATFORM_ERROR_HIST_SIZE;
- }
- core_util_critical_section_exit();
- memcpy(error_ctx, &mbed_error_ctx_log[index % MBED_CONF_PLATFORM_ERROR_HIST_SIZE], sizeof(mbed_error_ctx));
- return MBED_SUCCESS;
- }
- mbed_error_ctx *mbed_error_hist_get_entry(void)
- {
- core_util_critical_section_enter();
- error_log_count++;
- mbed_error_ctx *ctx = &mbed_error_ctx_log[error_log_count % MBED_CONF_PLATFORM_ERROR_HIST_SIZE];
- core_util_critical_section_exit();
- return ctx;
- }
- mbed_error_status_t mbed_error_hist_get_last_error(mbed_error_ctx *error_ctx)
- {
- if (-1 == error_log_count) {
- return MBED_ERROR_ITEM_NOT_FOUND;
- }
- core_util_critical_section_enter();
- memcpy(error_ctx, &mbed_error_ctx_log[error_log_count % MBED_CONF_PLATFORM_ERROR_HIST_SIZE], sizeof(mbed_error_ctx));
- core_util_critical_section_exit();
- return MBED_SUCCESS;
- }
- int mbed_error_hist_get_count()
- {
- return (error_log_count >= MBED_CONF_PLATFORM_ERROR_HIST_SIZE ? MBED_CONF_PLATFORM_ERROR_HIST_SIZE : error_log_count + 1);
- }
- mbed_error_status_t mbed_error_hist_reset()
- {
- core_util_critical_section_enter();
- error_log_count = -1;
- core_util_critical_section_exit();
- return MBED_SUCCESS;
- }
- #endif
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