mirror of https://github.com/ARMmbed/mbed-os.git
100 lines
3.0 KiB
C
100 lines
3.0 KiB
C
/* mbed Microcontroller Library
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* Copyright (c) 2006-2013 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdlib.h>
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#include <stdarg.h>
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#include "device.h"
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#include "platform/mbed_error.h"
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#include "platform/mbed_toolchain.h"
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#include "platform/mbed_critical.h"
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#include "platform/mbed_interface.h"
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#ifndef MBED_CONF_ERROR_HIST_DISABLED
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#include "platform/mbed_error_hist.h"
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static mbed_error_ctx mbed_error_ctx_log[MBED_CONF_ERROR_HIST_SIZE] = {0};
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static int error_log_count = -1;
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mbed_error_status_t mbed_error_hist_put(mbed_error_ctx *error_ctx)
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{
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//Return error if error_ctx is NULL
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if(NULL == error_ctx) {
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return MBED_ERROR_INVALID_ARGUMENT;
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}
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core_util_critical_section_enter();
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error_log_count++;
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memcpy(&mbed_error_ctx_log[error_log_count % MBED_CONF_ERROR_HIST_SIZE], error_ctx, sizeof(mbed_error_ctx) );
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core_util_critical_section_exit();
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return MBED_SUCCESS;
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}
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mbed_error_status_t mbed_error_hist_get(int index, mbed_error_ctx *error_ctx)
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{
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//Return error if index is more than max log size
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if(index >= MBED_CONF_ERROR_HIST_SIZE) {
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return MBED_ERROR_INVALID_ARGUMENT;
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}
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core_util_critical_section_enter();
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//calculate the index where we want to pick the ctx
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if(error_log_count >= MBED_CONF_ERROR_HIST_SIZE) {
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index = (error_log_count + index + 1) % MBED_CONF_ERROR_HIST_SIZE;
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}
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core_util_critical_section_exit();
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memcpy(error_ctx, &mbed_error_ctx_log[index % MBED_CONF_ERROR_HIST_SIZE], sizeof(mbed_error_ctx) );
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return MBED_SUCCESS;
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}
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mbed_error_ctx *mbed_error_hist_get_entry(void)
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{
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core_util_critical_section_enter();
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error_log_count++;
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mbed_error_ctx *ctx = &mbed_error_ctx_log[error_log_count % MBED_CONF_ERROR_HIST_SIZE];
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core_util_critical_section_exit();
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return ctx;
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}
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mbed_error_status_t mbed_error_hist_get_last_error(mbed_error_ctx *error_ctx)
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{
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if(-1 == error_log_count) {
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return MBED_ERROR_ITEM_NOT_FOUND;
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}
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core_util_critical_section_enter();
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memcpy(error_ctx, &mbed_error_ctx_log[error_log_count % MBED_CONF_ERROR_HIST_SIZE], sizeof(mbed_error_ctx) );
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core_util_critical_section_exit();
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return MBED_SUCCESS;
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}
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int mbed_error_hist_get_count()
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{
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return (error_log_count >= MBED_CONF_ERROR_HIST_SIZE? MBED_CONF_ERROR_HIST_SIZE:error_log_count+1);
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}
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mbed_error_status_t mbed_error_hist_reset()
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{
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core_util_critical_section_enter();
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error_log_count = -1;
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core_util_critical_section_exit();
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return MBED_SUCCESS;
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}
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#endif
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