[374] | 1 | /* mbed Microcontroller Library
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| 2 | * Copyright (c) 2006-2013 ARM Limited
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | */
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| 16 | #include <stdlib.h>
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| 17 | #include <stdarg.h>
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| 18 | #include "device.h"
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| 19 | #include "platform/mbed_error.h"
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| 20 | #include "platform/mbed_toolchain.h"
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| 21 | #include "platform/mbed_critical.h"
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| 22 | #include "platform/mbed_interface.h"
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| 23 |
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| 24 | #if MBED_CONF_PLATFORM_ERROR_HIST_ENABLED
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| 25 | #include "platform/mbed_error_hist.h"
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| 26 |
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| 27 | static mbed_error_ctx mbed_error_ctx_log[MBED_CONF_PLATFORM_ERROR_HIST_SIZE] = {0};
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| 28 | static int error_log_count = -1;
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| 29 |
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| 30 | mbed_error_status_t mbed_error_hist_put(mbed_error_ctx *error_ctx)
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| 31 | {
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| 32 | //Return error if error_ctx is NULL
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| 33 | if (NULL == error_ctx) {
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| 34 | return MBED_ERROR_INVALID_ARGUMENT;
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| 35 | }
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| 36 |
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| 37 | core_util_critical_section_enter();
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| 38 | error_log_count++;
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| 39 | memcpy(&mbed_error_ctx_log[error_log_count % MBED_CONF_PLATFORM_ERROR_HIST_SIZE], error_ctx, sizeof(mbed_error_ctx));
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| 40 | core_util_critical_section_exit();
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| 41 |
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| 42 | return MBED_SUCCESS;
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| 43 | }
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| 44 |
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| 45 | mbed_error_status_t mbed_error_hist_get(int index, mbed_error_ctx *error_ctx)
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| 46 | {
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| 47 | //Return error if index is more than max log size
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| 48 | if (index >= MBED_CONF_PLATFORM_ERROR_HIST_SIZE) {
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| 49 | return MBED_ERROR_INVALID_ARGUMENT;
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| 50 | }
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| 51 |
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| 52 | core_util_critical_section_enter();
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| 53 | //calculate the index where we want to pick the ctx
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| 54 | if (error_log_count >= MBED_CONF_PLATFORM_ERROR_HIST_SIZE) {
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| 55 | index = (error_log_count + index + 1) % MBED_CONF_PLATFORM_ERROR_HIST_SIZE;
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| 56 | }
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| 57 | core_util_critical_section_exit();
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| 58 | memcpy(error_ctx, &mbed_error_ctx_log[index % MBED_CONF_PLATFORM_ERROR_HIST_SIZE], sizeof(mbed_error_ctx));
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| 59 |
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| 60 | return MBED_SUCCESS;
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| 61 | }
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| 62 |
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| 63 | mbed_error_ctx *mbed_error_hist_get_entry(void)
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| 64 | {
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| 65 | core_util_critical_section_enter();
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| 66 | error_log_count++;
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| 67 | mbed_error_ctx *ctx = &mbed_error_ctx_log[error_log_count % MBED_CONF_PLATFORM_ERROR_HIST_SIZE];
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| 68 | core_util_critical_section_exit();
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| 69 |
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| 70 | return ctx;
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| 71 | }
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| 72 |
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| 73 | mbed_error_status_t mbed_error_hist_get_last_error(mbed_error_ctx *error_ctx)
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| 74 | {
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| 75 | if (-1 == error_log_count) {
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| 76 | return MBED_ERROR_ITEM_NOT_FOUND;
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| 77 | }
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| 78 | core_util_critical_section_enter();
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| 79 | memcpy(error_ctx, &mbed_error_ctx_log[error_log_count % MBED_CONF_PLATFORM_ERROR_HIST_SIZE], sizeof(mbed_error_ctx));
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| 80 | core_util_critical_section_exit();
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| 81 |
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| 82 | return MBED_SUCCESS;
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| 83 | }
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| 84 |
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| 85 | int mbed_error_hist_get_count()
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| 86 | {
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| 87 | return (error_log_count >= MBED_CONF_PLATFORM_ERROR_HIST_SIZE ? MBED_CONF_PLATFORM_ERROR_HIST_SIZE : error_log_count + 1);
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| 88 | }
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| 89 |
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| 90 | mbed_error_status_t mbed_error_hist_reset()
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| 91 | {
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| 92 | core_util_critical_section_enter();
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| 93 | error_log_count = -1;
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| 94 | core_util_critical_section_exit();
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| 95 |
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| 96 | return MBED_SUCCESS;
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| 97 | }
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| 98 |
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| 99 | #endif
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