Kev Mann / mbed-dev-OS5_10_4

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platform/mbed_error_hist.c@0:38ceb79fef03, 2018-11-28 (annotated)

Committer:
kevman
Date:
Wed Nov 28 15:10:15 2018 +0000
Revision:
0:38ceb79fef03
RTC modified

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kevman 0:38ceb79fef03 1 /* mbed Microcontroller Library
kevman 0:38ceb79fef03 2 * Copyright (c) 2006-2013 ARM Limited
kevman 0:38ceb79fef03 3 *
kevman 0:38ceb79fef03 4 * Licensed under the Apache License, Version 2.0 (the "License");
kevman 0:38ceb79fef03 5 * you may not use this file except in compliance with the License.
kevman 0:38ceb79fef03 6 * You may obtain a copy of the License at
kevman 0:38ceb79fef03 7 *
kevman 0:38ceb79fef03 8 * http://www.apache.org/licenses/LICENSE-2.0
kevman 0:38ceb79fef03 9 *
kevman 0:38ceb79fef03 10 * Unless required by applicable law or agreed to in writing, software
kevman 0:38ceb79fef03 11 * distributed under the License is distributed on an "AS IS" BASIS,
kevman 0:38ceb79fef03 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kevman 0:38ceb79fef03 13 * See the License for the specific language governing permissions and
kevman 0:38ceb79fef03 14 * limitations under the License.
kevman 0:38ceb79fef03 15 */
kevman 0:38ceb79fef03 16 #include <stdlib.h>
kevman 0:38ceb79fef03 17 #include <stdarg.h>
kevman 0:38ceb79fef03 18 #include "device.h"
kevman 0:38ceb79fef03 19 #include "platform/mbed_error.h"
kevman 0:38ceb79fef03 20 #include "platform/mbed_toolchain.h"
kevman 0:38ceb79fef03 21 #include "platform/mbed_critical.h"
kevman 0:38ceb79fef03 22 #include "platform/mbed_interface.h"
kevman 0:38ceb79fef03 23
kevman 0:38ceb79fef03 24 #if MBED_CONF_PLATFORM_ERROR_HIST_ENABLED
kevman 0:38ceb79fef03 25 #include "platform/mbed_error_hist.h"
kevman 0:38ceb79fef03 26
kevman 0:38ceb79fef03 27 static mbed_error_ctx mbed_error_ctx_log[MBED_CONF_PLATFORM_ERROR_HIST_SIZE] = {0};
kevman 0:38ceb79fef03 28 static int error_log_count = -1;
kevman 0:38ceb79fef03 29
kevman 0:38ceb79fef03 30 mbed_error_status_t mbed_error_hist_put(mbed_error_ctx *error_ctx)
kevman 0:38ceb79fef03 31 {
kevman 0:38ceb79fef03 32 //Return error if error_ctx is NULL
kevman 0:38ceb79fef03 33 if (NULL == error_ctx) {
kevman 0:38ceb79fef03 34 return MBED_ERROR_INVALID_ARGUMENT;
kevman 0:38ceb79fef03 35 }
kevman 0:38ceb79fef03 36
kevman 0:38ceb79fef03 37 core_util_critical_section_enter();
kevman 0:38ceb79fef03 38 error_log_count++;
kevman 0:38ceb79fef03 39 memcpy(&mbed_error_ctx_log[error_log_count % MBED_CONF_PLATFORM_ERROR_HIST_SIZE], error_ctx, sizeof(mbed_error_ctx));
kevman 0:38ceb79fef03 40 core_util_critical_section_exit();
kevman 0:38ceb79fef03 41
kevman 0:38ceb79fef03 42 return MBED_SUCCESS;
kevman 0:38ceb79fef03 43 }
kevman 0:38ceb79fef03 44
kevman 0:38ceb79fef03 45 mbed_error_status_t mbed_error_hist_get(int index, mbed_error_ctx *error_ctx)
kevman 0:38ceb79fef03 46 {
kevman 0:38ceb79fef03 47 //Return error if index is more than max log size
kevman 0:38ceb79fef03 48 if (index >= MBED_CONF_PLATFORM_ERROR_HIST_SIZE) {
kevman 0:38ceb79fef03 49 return MBED_ERROR_INVALID_ARGUMENT;
kevman 0:38ceb79fef03 50 }
kevman 0:38ceb79fef03 51
kevman 0:38ceb79fef03 52 core_util_critical_section_enter();
kevman 0:38ceb79fef03 53 //calculate the index where we want to pick the ctx
kevman 0:38ceb79fef03 54 if (error_log_count >= MBED_CONF_PLATFORM_ERROR_HIST_SIZE) {
kevman 0:38ceb79fef03 55 index = (error_log_count + index + 1) % MBED_CONF_PLATFORM_ERROR_HIST_SIZE;
kevman 0:38ceb79fef03 56 }
kevman 0:38ceb79fef03 57 core_util_critical_section_exit();
kevman 0:38ceb79fef03 58 memcpy(error_ctx, &mbed_error_ctx_log[index % MBED_CONF_PLATFORM_ERROR_HIST_SIZE], sizeof(mbed_error_ctx));
kevman 0:38ceb79fef03 59
kevman 0:38ceb79fef03 60 return MBED_SUCCESS;
kevman 0:38ceb79fef03 61 }
kevman 0:38ceb79fef03 62
kevman 0:38ceb79fef03 63 mbed_error_ctx *mbed_error_hist_get_entry(void)
kevman 0:38ceb79fef03 64 {
kevman 0:38ceb79fef03 65 core_util_critical_section_enter();
kevman 0:38ceb79fef03 66 error_log_count++;
kevman 0:38ceb79fef03 67 mbed_error_ctx *ctx = &mbed_error_ctx_log[error_log_count % MBED_CONF_PLATFORM_ERROR_HIST_SIZE];
kevman 0:38ceb79fef03 68 core_util_critical_section_exit();
kevman 0:38ceb79fef03 69
kevman 0:38ceb79fef03 70 return ctx;
kevman 0:38ceb79fef03 71 }
kevman 0:38ceb79fef03 72
kevman 0:38ceb79fef03 73 mbed_error_status_t mbed_error_hist_get_last_error(mbed_error_ctx *error_ctx)
kevman 0:38ceb79fef03 74 {
kevman 0:38ceb79fef03 75 if (-1 == error_log_count) {
kevman 0:38ceb79fef03 76 return MBED_ERROR_ITEM_NOT_FOUND;
kevman 0:38ceb79fef03 77 }
kevman 0:38ceb79fef03 78 core_util_critical_section_enter();
kevman 0:38ceb79fef03 79 memcpy(error_ctx, &mbed_error_ctx_log[error_log_count % MBED_CONF_PLATFORM_ERROR_HIST_SIZE], sizeof(mbed_error_ctx));
kevman 0:38ceb79fef03 80 core_util_critical_section_exit();
kevman 0:38ceb79fef03 81
kevman 0:38ceb79fef03 82 return MBED_SUCCESS;
kevman 0:38ceb79fef03 83 }
kevman 0:38ceb79fef03 84
kevman 0:38ceb79fef03 85 int mbed_error_hist_get_count()
kevman 0:38ceb79fef03 86 {
kevman 0:38ceb79fef03 87 return (error_log_count >= MBED_CONF_PLATFORM_ERROR_HIST_SIZE ? MBED_CONF_PLATFORM_ERROR_HIST_SIZE : error_log_count + 1);
kevman 0:38ceb79fef03 88 }
kevman 0:38ceb79fef03 89
kevman 0:38ceb79fef03 90 mbed_error_status_t mbed_error_hist_reset()
kevman 0:38ceb79fef03 91 {
kevman 0:38ceb79fef03 92 core_util_critical_section_enter();
kevman 0:38ceb79fef03 93 error_log_count = -1;
kevman 0:38ceb79fef03 94 core_util_critical_section_exit();
kevman 0:38ceb79fef03 95
kevman 0:38ceb79fef03 96 return MBED_SUCCESS;
kevman 0:38ceb79fef03 97 }
kevman 0:38ceb79fef03 98
kevman 0:38ceb79fef03 99 #endif