mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

platform/mbed_error.c@186:707f6e361f3e, 2018-06-22 (annotated)

Committer:
Anna Bridge
Date:
Fri Jun 22 16:45:37 2018 +0100
Revision:
186:707f6e361f3e
Parent:
167:e84263d55307
Child:
187:0387e8f68319
mbed-dev library. Release version 162

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 149:156823d33999 1 /* mbed Microcontroller Library
<> 149:156823d33999 2 * Copyright (c) 2006-2013 ARM Limited
<> 149:156823d33999 3 *
<> 149:156823d33999 4 * Licensed under the Apache License, Version 2.0 (the "License");
<> 149:156823d33999 5 * you may not use this file except in compliance with the License.
<> 149:156823d33999 6 * You may obtain a copy of the License at
<> 149:156823d33999 7 *
<> 149:156823d33999 8 * http://www.apache.org/licenses/LICENSE-2.0
<> 149:156823d33999 9 *
<> 149:156823d33999 10 * Unless required by applicable law or agreed to in writing, software
<> 149:156823d33999 11 * distributed under the License is distributed on an "AS IS" BASIS,
<> 149:156823d33999 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 149:156823d33999 13 * See the License for the specific language governing permissions and
<> 149:156823d33999 14 * limitations under the License.
<> 149:156823d33999 15 */
<> 149:156823d33999 16 #include <stdlib.h>
<> 149:156823d33999 17 #include <stdarg.h>
Anna Bridge 186:707f6e361f3e 18 #include <string.h>
<> 149:156823d33999 19 #include "device.h"
Anna Bridge 186:707f6e361f3e 20 #include "platform/mbed_critical.h"
<> 149:156823d33999 21 #include "platform/mbed_error.h"
Anna Bridge 186:707f6e361f3e 22 #include "platform/mbed_error_hist.h"
<> 149:156823d33999 23 #include "platform/mbed_interface.h"
Anna Bridge 186:707f6e361f3e 24 #ifdef MBED_CONF_RTOS_PRESENT
Anna Bridge 186:707f6e361f3e 25 #include "rtx_os.h"
Anna Bridge 186:707f6e361f3e 26 #endif
Anna Bridge 186:707f6e361f3e 27
<> 149:156823d33999 28 #if DEVICE_STDIO_MESSAGES
<> 149:156823d33999 29 #include <stdio.h>
<> 149:156823d33999 30 #endif
<> 149:156823d33999 31
Anna Bridge 186:707f6e361f3e 32 //Helper macro to get the current SP
Anna Bridge 186:707f6e361f3e 33 #define GET_CURRENT_SP(sp) \
Anna Bridge 186:707f6e361f3e 34 { \
Anna Bridge 186:707f6e361f3e 35 /*If in Handler mode we are always using MSP*/ \
Anna Bridge 186:707f6e361f3e 36 if( __get_IPSR() != 0U ) { \
Anna Bridge 186:707f6e361f3e 37 sp = __get_MSP(); \
Anna Bridge 186:707f6e361f3e 38 } else { \
Anna Bridge 186:707f6e361f3e 39 /*Look into CONTROL.SPSEL value*/ \
Anna Bridge 186:707f6e361f3e 40 if ((__get_CONTROL() & 2U) == 0U) { \
Anna Bridge 186:707f6e361f3e 41 sp = __get_MSP();/*Read MSP*/ \
Anna Bridge 186:707f6e361f3e 42 } else { \
Anna Bridge 186:707f6e361f3e 43 sp = __get_PSP();/*Read PSP*/ \
Anna Bridge 186:707f6e361f3e 44 } \
Anna Bridge 186:707f6e361f3e 45 } \
Anna Bridge 186:707f6e361f3e 46 }
Anna Bridge 186:707f6e361f3e 47
Anna Bridge 186:707f6e361f3e 48
AnnaBridge 167:e84263d55307 49 static uint8_t error_in_progress = 0;
Anna Bridge 186:707f6e361f3e 50 static int error_count = 0;
Anna Bridge 186:707f6e361f3e 51 static mbed_error_ctx first_error_ctx = {0};
Anna Bridge 186:707f6e361f3e 52 static mbed_error_ctx last_error_ctx = {0};
Anna Bridge 186:707f6e361f3e 53 static mbed_error_hook_t error_hook = NULL;
Anna Bridge 186:707f6e361f3e 54 static void print_error_report(mbed_error_ctx *ctx, const char *);
Anna Bridge 186:707f6e361f3e 55 static mbed_error_status_t handle_error(mbed_error_status_t error_status, unsigned int error_value, const char *filename, int line_number);
Anna Bridge 186:707f6e361f3e 56
Anna Bridge 186:707f6e361f3e 57 //Helper function to halt the system
Anna Bridge 186:707f6e361f3e 58 static void mbed_halt_system(void)
Anna Bridge 186:707f6e361f3e 59 {
Anna Bridge 186:707f6e361f3e 60 //If not in ISR context exit, otherwise spin on WFI
Anna Bridge 186:707f6e361f3e 61 if (core_util_is_isr_active() || !core_util_are_interrupts_enabled()) {
Anna Bridge 186:707f6e361f3e 62 for(;;) {
Anna Bridge 186:707f6e361f3e 63 __WFI();
Anna Bridge 186:707f6e361f3e 64 }
Anna Bridge 186:707f6e361f3e 65 } else {
Anna Bridge 186:707f6e361f3e 66 //exit eventually calls mbed_die
Anna Bridge 186:707f6e361f3e 67 exit(1);
Anna Bridge 186:707f6e361f3e 68 }
Anna Bridge 186:707f6e361f3e 69 }
AnnaBridge 167:e84263d55307 70
<> 149:156823d33999 71 WEAK void error(const char* format, ...) {
AnnaBridge 167:e84263d55307 72
AnnaBridge 167:e84263d55307 73 // Prevent recursion if error is called again
AnnaBridge 167:e84263d55307 74 if (error_in_progress) {
AnnaBridge 167:e84263d55307 75 return;
AnnaBridge 167:e84263d55307 76 }
Anna Bridge 186:707f6e361f3e 77
Anna Bridge 186:707f6e361f3e 78 //Call handle_error/print_error_report permanently setting error_in_progress flag
Anna Bridge 186:707f6e361f3e 79 handle_error(MBED_ERROR_UNKNOWN, 0, NULL, 0);
Anna Bridge 186:707f6e361f3e 80 print_error_report(&last_error_ctx, "Fatal Run-time error");
AnnaBridge 167:e84263d55307 81 error_in_progress = 1;
AnnaBridge 167:e84263d55307 82
<> 149:156823d33999 83 #ifndef NDEBUG
<> 149:156823d33999 84 va_list arg;
<> 149:156823d33999 85 va_start(arg, format);
<> 149:156823d33999 86 mbed_error_vfprintf(format, arg);
<> 149:156823d33999 87 va_end(arg);
<> 149:156823d33999 88 #endif
<> 149:156823d33999 89 exit(1);
<> 149:156823d33999 90 }
Anna Bridge 186:707f6e361f3e 91
Anna Bridge 186:707f6e361f3e 92 //Set an error status with the error handling system
Anna Bridge 186:707f6e361f3e 93 static mbed_error_status_t handle_error(mbed_error_status_t error_status, unsigned int error_value, const char *filename, int line_number)
Anna Bridge 186:707f6e361f3e 94 {
Anna Bridge 186:707f6e361f3e 95 mbed_error_ctx current_error_ctx;
Anna Bridge 186:707f6e361f3e 96
Anna Bridge 186:707f6e361f3e 97 //Error status should always be < 0
Anna Bridge 186:707f6e361f3e 98 if(error_status >= 0) {
Anna Bridge 186:707f6e361f3e 99 //This is a weird situation, someone called mbed_error with invalid error code.
Anna Bridge 186:707f6e361f3e 100 //We will still handle the situation but change the error code to ERROR_INVALID_ARGUMENT, atleast the context will have info on who called it
Anna Bridge 186:707f6e361f3e 101 error_status = MBED_ERROR_INVALID_ARGUMENT;
Anna Bridge 186:707f6e361f3e 102 }
Anna Bridge 186:707f6e361f3e 103
Anna Bridge 186:707f6e361f3e 104 //Prevent corruption by holding out other callers
Anna Bridge 186:707f6e361f3e 105 //and we also need this until we remove the "error" call completely
Anna Bridge 186:707f6e361f3e 106 while (error_in_progress == 1);
Anna Bridge 186:707f6e361f3e 107
Anna Bridge 186:707f6e361f3e 108 //Use critsect here, as we don't want inadvertant modification of this global variable
Anna Bridge 186:707f6e361f3e 109 core_util_critical_section_enter();
Anna Bridge 186:707f6e361f3e 110 error_in_progress = 1;
Anna Bridge 186:707f6e361f3e 111 core_util_critical_section_exit();
Anna Bridge 186:707f6e361f3e 112
Anna Bridge 186:707f6e361f3e 113 //Increment error count
Anna Bridge 186:707f6e361f3e 114 error_count++;
Anna Bridge 186:707f6e361f3e 115
Anna Bridge 186:707f6e361f3e 116 //Clear the context capturing buffer
Anna Bridge 186:707f6e361f3e 117 memset(&current_error_ctx, sizeof(mbed_error_ctx), 0);
Anna Bridge 186:707f6e361f3e 118 //Capture error information
Anna Bridge 186:707f6e361f3e 119 current_error_ctx.error_status = error_status;
Anna Bridge 186:707f6e361f3e 120 current_error_ctx.error_address = (uint32_t)MBED_CALLER_ADDR();
Anna Bridge 186:707f6e361f3e 121 current_error_ctx.error_value = error_value;
Anna Bridge 186:707f6e361f3e 122 #ifdef MBED_CONF_RTOS_PRESENT
Anna Bridge 186:707f6e361f3e 123 //Capture thread info
Anna Bridge 186:707f6e361f3e 124 osRtxThread_t *current_thread = osRtxInfo.thread.run.curr;
Anna Bridge 186:707f6e361f3e 125 current_error_ctx.thread_id = (uint32_t)current_thread;
Anna Bridge 186:707f6e361f3e 126 current_error_ctx.thread_entry_address = (uint32_t)current_thread->thread_addr;
Anna Bridge 186:707f6e361f3e 127 current_error_ctx.thread_stack_size = current_thread->stack_size;
Anna Bridge 186:707f6e361f3e 128 current_error_ctx.thread_stack_mem = (uint32_t)current_thread->stack_mem;
Anna Bridge 186:707f6e361f3e 129 #ifdef TARGET_CORTEX_M
Anna Bridge 186:707f6e361f3e 130 GET_CURRENT_SP(current_error_ctx.thread_current_sp);
Anna Bridge 186:707f6e361f3e 131 #endif //TARGET_CORTEX_M
Anna Bridge 186:707f6e361f3e 132
Anna Bridge 186:707f6e361f3e 133 #endif //MBED_CONF_RTOS_PRESENT
Anna Bridge 186:707f6e361f3e 134
Anna Bridge 186:707f6e361f3e 135 #ifdef MBED_CONF_ERROR_FILENAME_CAPTURE_ENABLED
Anna Bridge 186:707f6e361f3e 136 //Capture filename/linenumber if provided
Anna Bridge 186:707f6e361f3e 137 //Index for tracking error_filename
Anna Bridge 186:707f6e361f3e 138 memset(&current_error_ctx.error_filename, 0, MBED_CONF_MAX_ERROR_FILENAME_LEN);
Anna Bridge 186:707f6e361f3e 139 strncpy(current_error_ctx.error_filename, filename, MBED_CONF_MAX_ERROR_FILENAME_LEN);
Anna Bridge 186:707f6e361f3e 140 current_error_ctx.error_line_number = line_number;
Anna Bridge 186:707f6e361f3e 141 #endif
Anna Bridge 186:707f6e361f3e 142
Anna Bridge 186:707f6e361f3e 143 //Capture the fist system error and store it
Anna Bridge 186:707f6e361f3e 144 if(error_count == 1) { //first error
Anna Bridge 186:707f6e361f3e 145 memcpy(&first_error_ctx, &current_error_ctx, sizeof(mbed_error_ctx));
Anna Bridge 186:707f6e361f3e 146 }
Anna Bridge 186:707f6e361f3e 147
Anna Bridge 186:707f6e361f3e 148 //copy this error to last error
Anna Bridge 186:707f6e361f3e 149 memcpy(&last_error_ctx, &current_error_ctx, sizeof(mbed_error_ctx));
Anna Bridge 186:707f6e361f3e 150
Anna Bridge 186:707f6e361f3e 151 #ifndef MBED_CONF_ERROR_HIST_DISABLED
Anna Bridge 186:707f6e361f3e 152 //Log the error with error log
Anna Bridge 186:707f6e361f3e 153 mbed_error_hist_put(&current_error_ctx);
Anna Bridge 186:707f6e361f3e 154 #endif
Anna Bridge 186:707f6e361f3e 155
Anna Bridge 186:707f6e361f3e 156 //Call the error hook if available
Anna Bridge 186:707f6e361f3e 157 if(error_hook != NULL) {
Anna Bridge 186:707f6e361f3e 158 error_hook(&last_error_ctx);
Anna Bridge 186:707f6e361f3e 159 }
Anna Bridge 186:707f6e361f3e 160
Anna Bridge 186:707f6e361f3e 161 error_in_progress = 0;
Anna Bridge 186:707f6e361f3e 162
Anna Bridge 186:707f6e361f3e 163 return MBED_SUCCESS;
Anna Bridge 186:707f6e361f3e 164 }
Anna Bridge 186:707f6e361f3e 165
Anna Bridge 186:707f6e361f3e 166 //Return the first error
Anna Bridge 186:707f6e361f3e 167 mbed_error_status_t mbed_get_first_error(void)
Anna Bridge 186:707f6e361f3e 168 {
Anna Bridge 186:707f6e361f3e 169 //return the first error recorded
Anna Bridge 186:707f6e361f3e 170 return first_error_ctx.error_status;
Anna Bridge 186:707f6e361f3e 171 }
Anna Bridge 186:707f6e361f3e 172
Anna Bridge 186:707f6e361f3e 173 //Return the last error
Anna Bridge 186:707f6e361f3e 174 mbed_error_status_t mbed_get_last_error(void)
Anna Bridge 186:707f6e361f3e 175 {
Anna Bridge 186:707f6e361f3e 176 //return the last error recorded
Anna Bridge 186:707f6e361f3e 177 return last_error_ctx.error_status;
Anna Bridge 186:707f6e361f3e 178 }
Anna Bridge 186:707f6e361f3e 179
Anna Bridge 186:707f6e361f3e 180 //Gets the current error count
Anna Bridge 186:707f6e361f3e 181 int mbed_get_error_count(void)
Anna Bridge 186:707f6e361f3e 182 {
Anna Bridge 186:707f6e361f3e 183 //return the current error count
Anna Bridge 186:707f6e361f3e 184 return error_count;
Anna Bridge 186:707f6e361f3e 185 }
Anna Bridge 186:707f6e361f3e 186
Anna Bridge 186:707f6e361f3e 187 //Sets a fatal error
Anna Bridge 186:707f6e361f3e 188 mbed_error_status_t mbed_warning(mbed_error_status_t error_status, const char *error_msg, unsigned int error_value, const char *filename, int line_number)
Anna Bridge 186:707f6e361f3e 189 {
Anna Bridge 186:707f6e361f3e 190 return handle_error(error_status, error_value, filename, line_number);
Anna Bridge 186:707f6e361f3e 191 }
Anna Bridge 186:707f6e361f3e 192
Anna Bridge 186:707f6e361f3e 193 //Sets a fatal error
Anna Bridge 186:707f6e361f3e 194 WEAK mbed_error_status_t mbed_error(mbed_error_status_t error_status, const char *error_msg, unsigned int error_value, const char *filename, int line_number)
Anna Bridge 186:707f6e361f3e 195 {
Anna Bridge 186:707f6e361f3e 196 //set the error reported and then halt the system
Anna Bridge 186:707f6e361f3e 197 if( MBED_SUCCESS != handle_error(error_status, error_value, filename, line_number) )
Anna Bridge 186:707f6e361f3e 198 return MBED_ERROR_FAILED_OPERATION;
Anna Bridge 186:707f6e361f3e 199
Anna Bridge 186:707f6e361f3e 200 //On fatal errors print the error context/report
Anna Bridge 186:707f6e361f3e 201 print_error_report(&last_error_ctx, error_msg);
Anna Bridge 186:707f6e361f3e 202 mbed_halt_system();
Anna Bridge 186:707f6e361f3e 203
Anna Bridge 186:707f6e361f3e 204 return MBED_ERROR_FAILED_OPERATION;
Anna Bridge 186:707f6e361f3e 205 }
Anna Bridge 186:707f6e361f3e 206
Anna Bridge 186:707f6e361f3e 207 //Register an application defined callback with error handling
Anna Bridge 186:707f6e361f3e 208 mbed_error_status_t mbed_set_error_hook(mbed_error_hook_t error_hook_in)
Anna Bridge 186:707f6e361f3e 209 {
Anna Bridge 186:707f6e361f3e 210 //register the new hook/callback
Anna Bridge 186:707f6e361f3e 211 if( error_hook_in != NULL ) {
Anna Bridge 186:707f6e361f3e 212 error_hook = error_hook_in;
Anna Bridge 186:707f6e361f3e 213 return MBED_SUCCESS;
Anna Bridge 186:707f6e361f3e 214 }
Anna Bridge 186:707f6e361f3e 215
Anna Bridge 186:707f6e361f3e 216 return MBED_ERROR_INVALID_ARGUMENT;
Anna Bridge 186:707f6e361f3e 217 }
Anna Bridge 186:707f6e361f3e 218
Anna Bridge 186:707f6e361f3e 219 //Retrieve the first error context from error log
Anna Bridge 186:707f6e361f3e 220 mbed_error_status_t mbed_get_first_error_info (mbed_error_ctx *error_info)
Anna Bridge 186:707f6e361f3e 221 {
Anna Bridge 186:707f6e361f3e 222 memcpy(error_info, &first_error_ctx, sizeof(first_error_ctx));
Anna Bridge 186:707f6e361f3e 223 return MBED_SUCCESS;
Anna Bridge 186:707f6e361f3e 224 }
Anna Bridge 186:707f6e361f3e 225
Anna Bridge 186:707f6e361f3e 226 //Retrieve the last error context from error log
Anna Bridge 186:707f6e361f3e 227 mbed_error_status_t mbed_get_last_error_info (mbed_error_ctx *error_info)
Anna Bridge 186:707f6e361f3e 228 {
Anna Bridge 186:707f6e361f3e 229 memcpy(error_info, &last_error_ctx, sizeof(mbed_error_ctx));
Anna Bridge 186:707f6e361f3e 230 return MBED_SUCCESS;
Anna Bridge 186:707f6e361f3e 231 }
Anna Bridge 186:707f6e361f3e 232
Anna Bridge 186:707f6e361f3e 233 //Makes an mbed_error_status_t value
Anna Bridge 186:707f6e361f3e 234 mbed_error_status_t mbed_make_error(mbed_error_type_t error_type, mbed_module_type_t entity, mbed_error_code_t error_code)
Anna Bridge 186:707f6e361f3e 235 {
Anna Bridge 186:707f6e361f3e 236 switch(error_type)
Anna Bridge 186:707f6e361f3e 237 {
Anna Bridge 186:707f6e361f3e 238 case MBED_ERROR_TYPE_POSIX:
Anna Bridge 186:707f6e361f3e 239 if(error_code >= MBED_POSIX_ERROR_BASE && error_code <= MBED_SYSTEM_ERROR_BASE)
Anna Bridge 186:707f6e361f3e 240 return -error_code;
Anna Bridge 186:707f6e361f3e 241 break;
Anna Bridge 186:707f6e361f3e 242
Anna Bridge 186:707f6e361f3e 243 case MBED_ERROR_TYPE_SYSTEM:
Anna Bridge 186:707f6e361f3e 244 if(error_code >= MBED_SYSTEM_ERROR_BASE && error_code <= MBED_CUSTOM_ERROR_BASE)
Anna Bridge 186:707f6e361f3e 245 return MAKE_MBED_ERROR(MBED_ERROR_TYPE_SYSTEM, entity, error_code);
Anna Bridge 186:707f6e361f3e 246 break;
Anna Bridge 186:707f6e361f3e 247
Anna Bridge 186:707f6e361f3e 248 case MBED_ERROR_TYPE_CUSTOM:
Anna Bridge 186:707f6e361f3e 249 if(error_code >= MBED_CUSTOM_ERROR_BASE)
Anna Bridge 186:707f6e361f3e 250 return MAKE_MBED_ERROR(MBED_ERROR_TYPE_CUSTOM, entity, error_code);
Anna Bridge 186:707f6e361f3e 251 break;
Anna Bridge 186:707f6e361f3e 252
Anna Bridge 186:707f6e361f3e 253 default:
Anna Bridge 186:707f6e361f3e 254 break;
Anna Bridge 186:707f6e361f3e 255 }
Anna Bridge 186:707f6e361f3e 256
Anna Bridge 186:707f6e361f3e 257 //If we are passed incorrect values return a generic system error
Anna Bridge 186:707f6e361f3e 258 return MAKE_MBED_ERROR(MBED_ERROR_TYPE_SYSTEM, MBED_MODULE_UNKNOWN, MBED_ERROR_CODE_UNKNOWN);
Anna Bridge 186:707f6e361f3e 259 }
Anna Bridge 186:707f6e361f3e 260
Anna Bridge 186:707f6e361f3e 261 /**
Anna Bridge 186:707f6e361f3e 262 * Clears all the last error, error count and all entries in the error log.
Anna Bridge 186:707f6e361f3e 263 * @return 0 or MBED_SUCCESS on success.
Anna Bridge 186:707f6e361f3e 264 *
Anna Bridge 186:707f6e361f3e 265 */
Anna Bridge 186:707f6e361f3e 266 mbed_error_status_t mbed_clear_all_errors(void)
Anna Bridge 186:707f6e361f3e 267 {
Anna Bridge 186:707f6e361f3e 268 mbed_error_status_t status = MBED_SUCCESS;
Anna Bridge 186:707f6e361f3e 269
Anna Bridge 186:707f6e361f3e 270 //Make sure we dont multiple clients resetting
Anna Bridge 186:707f6e361f3e 271 core_util_critical_section_enter();
Anna Bridge 186:707f6e361f3e 272 //Clear the error and context capturing buffer
Anna Bridge 186:707f6e361f3e 273 memset(&last_error_ctx, sizeof(mbed_error_ctx), 0);
Anna Bridge 186:707f6e361f3e 274 //reset error count to 0
Anna Bridge 186:707f6e361f3e 275 error_count = 0;
Anna Bridge 186:707f6e361f3e 276 #ifndef MBED_CONF_ERROR_HIST_DISABLED
Anna Bridge 186:707f6e361f3e 277 status = mbed_error_hist_reset();
Anna Bridge 186:707f6e361f3e 278 #endif
Anna Bridge 186:707f6e361f3e 279 core_util_critical_section_exit();
Anna Bridge 186:707f6e361f3e 280
Anna Bridge 186:707f6e361f3e 281 return status;
Anna Bridge 186:707f6e361f3e 282 }
Anna Bridge 186:707f6e361f3e 283
Anna Bridge 186:707f6e361f3e 284 #ifndef MBED_CONF_ERROR_HIST_DISABLED
Anna Bridge 186:707f6e361f3e 285 //Retrieve the error context from error log at the specified index
Anna Bridge 186:707f6e361f3e 286 mbed_error_status_t mbed_get_error_hist_info (int index, mbed_error_ctx *error_info)
Anna Bridge 186:707f6e361f3e 287 {
Anna Bridge 186:707f6e361f3e 288 return mbed_error_hist_get(index, error_info);
Anna Bridge 186:707f6e361f3e 289 }
Anna Bridge 186:707f6e361f3e 290
Anna Bridge 186:707f6e361f3e 291 //Retrieve the error log count
Anna Bridge 186:707f6e361f3e 292 int mbed_get_error_hist_count(void)
Anna Bridge 186:707f6e361f3e 293 {
Anna Bridge 186:707f6e361f3e 294 return mbed_error_hist_get_count();
Anna Bridge 186:707f6e361f3e 295 }
Anna Bridge 186:707f6e361f3e 296
Anna Bridge 186:707f6e361f3e 297 mbed_error_status_t mbed_save_error_hist(const char *path)
Anna Bridge 186:707f6e361f3e 298 {
Anna Bridge 186:707f6e361f3e 299 mbed_error_status_t ret = MBED_SUCCESS;
Anna Bridge 186:707f6e361f3e 300 mbed_error_ctx ctx = {0};
Anna Bridge 186:707f6e361f3e 301 int log_count = mbed_error_hist_get_count();
Anna Bridge 186:707f6e361f3e 302 FILE *error_log_file = NULL;
Anna Bridge 186:707f6e361f3e 303
Anna Bridge 186:707f6e361f3e 304 //Ensure path is valid
Anna Bridge 186:707f6e361f3e 305 if(path==NULL) {
Anna Bridge 186:707f6e361f3e 306 ret = MBED_MAKE_ERROR(MBED_MODULE_PLATFORM, MBED_ERROR_CODE_INVALID_ARGUMENT);
Anna Bridge 186:707f6e361f3e 307 goto exit;
Anna Bridge 186:707f6e361f3e 308 }
Anna Bridge 186:707f6e361f3e 309
Anna Bridge 186:707f6e361f3e 310 //Open the file for saving the error log info
Anna Bridge 186:707f6e361f3e 311 if((error_log_file = fopen( path, "w" ) ) == NULL){
Anna Bridge 186:707f6e361f3e 312 ret = MBED_MAKE_ERROR(MBED_MODULE_PLATFORM, MBED_ERROR_CODE_OPEN_FAILED);
Anna Bridge 186:707f6e361f3e 313 goto exit;
Anna Bridge 186:707f6e361f3e 314 }
Anna Bridge 186:707f6e361f3e 315
Anna Bridge 186:707f6e361f3e 316 //First store the first and last errors
Anna Bridge 186:707f6e361f3e 317 if(fprintf(error_log_file, "\nFirst Error: Status:0x%x ThreadId:0x%x Address:0x%x Value:0x%x\n",
Anna Bridge 186:707f6e361f3e 318 (unsigned int)first_error_ctx.error_status,
Anna Bridge 186:707f6e361f3e 319 (unsigned int)first_error_ctx.thread_id,
Anna Bridge 186:707f6e361f3e 320 (unsigned int)first_error_ctx.error_address,
Anna Bridge 186:707f6e361f3e 321 (unsigned int)first_error_ctx.error_value) <= 0) {
Anna Bridge 186:707f6e361f3e 322 ret = MBED_MAKE_ERROR(MBED_MODULE_PLATFORM, MBED_ERROR_CODE_WRITE_FAILED);
Anna Bridge 186:707f6e361f3e 323 goto exit;
Anna Bridge 186:707f6e361f3e 324 }
Anna Bridge 186:707f6e361f3e 325
Anna Bridge 186:707f6e361f3e 326 if(fprintf(error_log_file, "\nLast Error: Status:0x%x ThreadId:0x%x Address:0x%x Value:0x%x\n",
Anna Bridge 186:707f6e361f3e 327 (unsigned int)last_error_ctx.error_status,
Anna Bridge 186:707f6e361f3e 328 (unsigned int)last_error_ctx.thread_id,
Anna Bridge 186:707f6e361f3e 329 (unsigned int)last_error_ctx.error_address,
Anna Bridge 186:707f6e361f3e 330 (unsigned int)last_error_ctx.error_value) <= 0) {
Anna Bridge 186:707f6e361f3e 331 ret = MBED_MAKE_ERROR(MBED_MODULE_PLATFORM, MBED_ERROR_CODE_WRITE_FAILED);
Anna Bridge 186:707f6e361f3e 332 goto exit;
Anna Bridge 186:707f6e361f3e 333 }
Anna Bridge 186:707f6e361f3e 334
Anna Bridge 186:707f6e361f3e 335 //Update with error log info
Anna Bridge 186:707f6e361f3e 336 while(--log_count >= 0) {
Anna Bridge 186:707f6e361f3e 337 mbed_error_hist_get(log_count, &ctx);
Anna Bridge 186:707f6e361f3e 338 //first line of file will be error log count
Anna Bridge 186:707f6e361f3e 339 if(fprintf(error_log_file, "\n%d: Status:0x%x ThreadId:0x%x Address:0x%x Value:0x%x\n",
Anna Bridge 186:707f6e361f3e 340 log_count,
Anna Bridge 186:707f6e361f3e 341 (unsigned int)ctx.error_status,
Anna Bridge 186:707f6e361f3e 342 (unsigned int)ctx.thread_id,
Anna Bridge 186:707f6e361f3e 343 (unsigned int)ctx.error_address,
Anna Bridge 186:707f6e361f3e 344 (unsigned int)ctx.error_value) <= 0) {
Anna Bridge 186:707f6e361f3e 345 ret = MBED_MAKE_ERROR(MBED_MODULE_PLATFORM, MBED_ERROR_CODE_WRITE_FAILED);
Anna Bridge 186:707f6e361f3e 346 goto exit;
Anna Bridge 186:707f6e361f3e 347 }
Anna Bridge 186:707f6e361f3e 348 }
Anna Bridge 186:707f6e361f3e 349
Anna Bridge 186:707f6e361f3e 350 exit:
Anna Bridge 186:707f6e361f3e 351 fclose(error_log_file);
Anna Bridge 186:707f6e361f3e 352
Anna Bridge 186:707f6e361f3e 353 return ret;
Anna Bridge 186:707f6e361f3e 354 }
Anna Bridge 186:707f6e361f3e 355
Anna Bridge 186:707f6e361f3e 356 static void print_error_report(mbed_error_ctx *ctx, const char *error_msg)
Anna Bridge 186:707f6e361f3e 357 {
Anna Bridge 186:707f6e361f3e 358 uint32_t error_code = MBED_GET_ERROR_CODE(ctx->error_status);
Anna Bridge 186:707f6e361f3e 359 uint32_t error_module = MBED_GET_ERROR_MODULE(ctx->error_status);
Anna Bridge 186:707f6e361f3e 360
Anna Bridge 186:707f6e361f3e 361 mbed_error_printf("\n\n++ MbedOS Error Info ++\nError Status: 0x%x Code: %d Module: %d\nError Message: ", ctx->error_status, error_code, error_module);
Anna Bridge 186:707f6e361f3e 362
Anna Bridge 186:707f6e361f3e 363 //Report error info based on error code, some errors require different
Anna Bridge 186:707f6e361f3e 364 //error_vals[1] contains the error code
Anna Bridge 186:707f6e361f3e 365 if(error_code == MBED_ERROR_CODE_HARDFAULT_EXCEPTION ||
Anna Bridge 186:707f6e361f3e 366 error_code == MBED_ERROR_CODE_MEMMANAGE_EXCEPTION ||
Anna Bridge 186:707f6e361f3e 367 error_code == MBED_ERROR_CODE_BUSFAULT_EXCEPTION ||
Anna Bridge 186:707f6e361f3e 368 error_code == MBED_ERROR_CODE_USAGEFAULT_EXCEPTION ) {
Anna Bridge 186:707f6e361f3e 369 mbed_error_printf(error_msg);
Anna Bridge 186:707f6e361f3e 370 mbed_error_printf("\nLocation: 0x%x\n", ctx->error_value);
Anna Bridge 186:707f6e361f3e 371 } else {
Anna Bridge 186:707f6e361f3e 372 switch (error_code) {
Anna Bridge 186:707f6e361f3e 373 //These are errors reported by kernel handled from mbed_rtx_handlers
Anna Bridge 186:707f6e361f3e 374 case MBED_ERROR_CODE_RTOS_EVENT:
Anna Bridge 186:707f6e361f3e 375 mbed_error_printf("Kernel Error: 0x%x, ", ctx->error_value);
Anna Bridge 186:707f6e361f3e 376 break;
Anna Bridge 186:707f6e361f3e 377
Anna Bridge 186:707f6e361f3e 378 case MBED_ERROR_CODE_RTOS_THREAD_EVENT:
Anna Bridge 186:707f6e361f3e 379 mbed_error_printf("Thread: 0x%x, ", ctx->error_value);
Anna Bridge 186:707f6e361f3e 380 break;
Anna Bridge 186:707f6e361f3e 381
Anna Bridge 186:707f6e361f3e 382 case MBED_ERROR_CODE_RTOS_MUTEX_EVENT:
Anna Bridge 186:707f6e361f3e 383 mbed_error_printf("Mutex: 0x%x, ", ctx->error_value);
Anna Bridge 186:707f6e361f3e 384 break;
Anna Bridge 186:707f6e361f3e 385
Anna Bridge 186:707f6e361f3e 386 case MBED_ERROR_CODE_RTOS_SEMAPHORE_EVENT:
Anna Bridge 186:707f6e361f3e 387 mbed_error_printf("Semaphore: 0x%x, ", ctx->error_value);
Anna Bridge 186:707f6e361f3e 388 break;
Anna Bridge 186:707f6e361f3e 389
Anna Bridge 186:707f6e361f3e 390 case MBED_ERROR_CODE_RTOS_MEMORY_POOL_EVENT:
Anna Bridge 186:707f6e361f3e 391 mbed_error_printf("MemoryPool: 0x%x, ", ctx->error_value);
Anna Bridge 186:707f6e361f3e 392 break;
Anna Bridge 186:707f6e361f3e 393
Anna Bridge 186:707f6e361f3e 394 case MBED_ERROR_CODE_RTOS_EVENT_FLAGS_EVENT:
Anna Bridge 186:707f6e361f3e 395 mbed_error_printf("EventFlags: 0x%x, ", ctx->error_value);
Anna Bridge 186:707f6e361f3e 396 break;
Anna Bridge 186:707f6e361f3e 397
Anna Bridge 186:707f6e361f3e 398 case MBED_ERROR_CODE_RTOS_TIMER_EVENT:
Anna Bridge 186:707f6e361f3e 399 mbed_error_printf("Timer: 0x%x, ", ctx->error_value);
Anna Bridge 186:707f6e361f3e 400 break;
Anna Bridge 186:707f6e361f3e 401
Anna Bridge 186:707f6e361f3e 402 case MBED_ERROR_CODE_RTOS_MESSAGE_QUEUE_EVENT:
Anna Bridge 186:707f6e361f3e 403 mbed_error_printf("MessageQueue: 0x%x, ", ctx->error_value);
Anna Bridge 186:707f6e361f3e 404 break;
Anna Bridge 186:707f6e361f3e 405
Anna Bridge 186:707f6e361f3e 406 default:
Anna Bridge 186:707f6e361f3e 407 //Nothing to do here, just print the error info down
Anna Bridge 186:707f6e361f3e 408 break;
Anna Bridge 186:707f6e361f3e 409 }
Anna Bridge 186:707f6e361f3e 410 mbed_error_printf(error_msg, NULL);
Anna Bridge 186:707f6e361f3e 411 mbed_error_printf("\nLocation: 0x%x", ctx->error_address);
Anna Bridge 186:707f6e361f3e 412 #if defined(MBED_CONF_ERROR_FILENAME_CAPTURE_ENABLED) && !defined(NDEBUG)
Anna Bridge 186:707f6e361f3e 413 if(NULL != ctx->error_filename) {
Anna Bridge 186:707f6e361f3e 414 //for string, we must pass address of a ptr which has the address of the string
Anna Bridge 186:707f6e361f3e 415 mbed_error_printf("\nFile:%s+%d", ctx->error_filename, ctx->error_line_number);
Anna Bridge 186:707f6e361f3e 416 }
Anna Bridge 186:707f6e361f3e 417 #endif
Anna Bridge 186:707f6e361f3e 418
Anna Bridge 186:707f6e361f3e 419 #ifdef TARGET_CORTEX_M
Anna Bridge 186:707f6e361f3e 420 mbed_error_printf("\nError Value: 0x%x\nCurrent Thread: Id: 0x%x Entry: 0x%x StackSize: 0x%x StackMem: 0x%x SP: 0x%x ",
Anna Bridge 186:707f6e361f3e 421 ctx->error_value, ctx->thread_id, ctx->thread_entry_address, ctx->thread_stack_size, ctx->thread_stack_mem, ctx->thread_current_sp);
Anna Bridge 186:707f6e361f3e 422 #else
Anna Bridge 186:707f6e361f3e 423 //For Cortex-A targets we dont have support to capture the current SP
Anna Bridge 186:707f6e361f3e 424 mbed_error_printf("\nError Value: 0x%x\nCurrent Thread: Id: 0x%x Entry: 0x%x StackSize: 0x%x StackMem: 0x%x ",
Anna Bridge 186:707f6e361f3e 425 ctx->error_value, ctx->thread_id, ctx->thread_entry_address, ctx->thread_stack_size, ctx->thread_stack_mem);
Anna Bridge 186:707f6e361f3e 426 #endif //TARGET_CORTEX_M
Anna Bridge 186:707f6e361f3e 427 }
Anna Bridge 186:707f6e361f3e 428
Anna Bridge 186:707f6e361f3e 429 mbed_error_printf("\n-- MbedOS Error Info --\n");
Anna Bridge 186:707f6e361f3e 430 }
Anna Bridge 186:707f6e361f3e 431
Anna Bridge 186:707f6e361f3e 432
Anna Bridge 186:707f6e361f3e 433 #endif
Anna Bridge 186:707f6e361f3e 434