system/EcuM/EcuM_Main.c

   1 /* -------------------------------- Arctic Core ------------------------------\r
   2  * Arctic Core - the open source AUTOSAR platform http://arccore.com\r
   3  *\r
   4  * Copyright (C) 2009  ArcCore AB <contact@arccore.com>\r
   5  *\r
   6  * This source code is free software; you can redistribute it and/or modify it\r
   7  * under the terms of the GNU General Public License version 2 as published by the\r
   8  * Free Software Foundation; See <http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt>.\r
   9  *\r
  10  * This program is distributed in the hope that it will be useful, but\r
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY\r
  12  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License\r
  13  * for more details.\r
  14  * -------------------------------- Arctic Core ------------------------------*/\r
  15 \r
  16 //lint -emacro(904,VALIDATE,VALIDATE_RV,VALIDATE_NO_RV) //904 PC-Lint exception to MISRA 14.7 (validate macros).\r
  17 \r
  18 #include "EcuM.h"\r
  19 #include "EcuM_Cbk.h"\r
  20 #include "EcuM_Internals.h"\r
  21 #if defined(USE_DEM)\r
  22 #include "Dem.h"\r
  23 #endif\r
  24 #if defined(USE_NVM)\r
  25 #include "Nvm.h"\r
  26 #endif\r
  27 \r
  28 static uint32 internal_data_run_state_timeout = 0;\r
  29 #if defined(USE_NVM)\r
  30 static uint32 internal_data_go_off_one_state_timeout = 0;\r
  31 #endif\r
  32 \r
  33 \r
  34 void EcuM_enter_run_mode(void)\r
  35 {\r
  36         internal_data.current_state = ECUM_STATE_APP_RUN;\r
  37         EcuM_OnEnterRUN(); /** @req EcuM2308 */\r
  38         //TODO: Call ComM_EcuM_RunModeIndication(NetworkHandleType Channel) for all channels that have requested run.\r
  39         internal_data_run_state_timeout = internal_data.config->EcuMRunMinimumDuration / ECUM_MAIN_FUNCTION_PERIOD; /** @req EcuM2310 */\r
  40 }\r
  41 \r
  42 static inline void enter_post_run_mode(void)\r
  43 {\r
  44         internal_data.current_state = ECUM_STATE_APP_POST_RUN;\r
  45 }\r
  46 \r
  47 static inline void enter_prep_shutdown_mode(void)\r
  48 {\r
  49         internal_data.current_state = ECUM_STATE_PREP_SHUTDOWN;\r
  50         EcuM_OnPrepShutdown();\r
  51 }\r
  52 \r
  53 static inline void enter_go_sleep_mode(void)\r
  54 {\r
  55         internal_data.current_state = ECUM_STATE_GO_SLEEP;\r
  56         EcuM_OnGoSleep();\r
  57 }\r
  58 \r
  59 static inline void enter_go_off_one_mode(void)\r
  60 {\r
  61         internal_data.current_state = ECUM_STATE_GO_OFF_ONE;\r
  62         EcuM_OnGoOffOne();\r
  63 \r
  64 #if defined(USE_COMM)\r
  65         ComM_DeInit();\r
  66 #endif\r
  67 \r
  68 #if defined(USE_NVM)\r
  69 \r
  70         // Start NvM_WriteAll and timeout timer\r
  71         NvM_WriteAll();\r
  72 \r
  73         internal_data_go_off_one_state_timeout = internal_data.config->EcuMNvramWriteAllTimeout / ECUM_MAIN_FUNCTION_PERIOD;\r
  74 #endif\r
  75 }\r
  76 \r
  77 static inline boolean hasRunRequests(void)\r
  78 {\r
  79         uint32 result = internal_data.run_requests;\r
  80 \r
  81 #if defined(USE_COMM)\r
  82         result |= internal_data.run_comm_requests;\r
  83 #endif\r
  84 \r
  85         return (result != 0);\r
  86 }\r
  87 \r
  88 static inline boolean hasPostRunRequests(void)\r
  89 {\r
  90         return (internal_data.postrun_requests != 0);\r
  91 }\r
  92 \r
  93 void EcuM_MainFunction(void)\r
  94 {\r
  95 #if defined(USE_NVM)\r
  96 static NvM_RequestResultType writeAllResult;\r
  97 #endif\r
  98 \r
  99 VALIDATE_NO_RV(internal_data.initiated, ECUM_MAINFUNCTION_ID, ECUM_E_NOT_INITIATED);\r
 100 \r
 101         if (internal_data.current_state == ECUM_STATE_APP_RUN)\r
 102         {\r
 103                 if (internal_data_run_state_timeout)\r
 104                 {\r
 105                         internal_data_run_state_timeout--;\r
 106                 }\r
 107 \r
 108                 if ((!hasRunRequests()) && (internal_data_run_state_timeout == 0))\r
 109                 {\r
 110                         EcuM_OnExitRun();       /** @req EcuM2865 */\r
 111                         enter_post_run_mode();/** @req EcuM2865 */\r
 112                         /*lint --e(904)*/ return;\r
 113                 }\r
 114         }\r
 115 \r
 116         if (internal_data.current_state == ECUM_STATE_APP_POST_RUN)\r
 117         {\r
 118                 if (hasRunRequests())\r
 119                 {\r
 120                         EcuM_enter_run_mode(); /** @req EcuM2866 */\r
 121                         /*lint --e(904)*/ return;\r
 122                 }\r
 123 \r
 124                 if (!hasPostRunRequests())\r
 125                 {\r
 126                         EcuM_OnExitPostRun(); /** @req EcuM2761 */\r
 127                         enter_prep_shutdown_mode();/** @req EcuM2761 */\r
 128                         /*lint --e(904)*/ return;\r
 129                 }\r
 130         }\r
 131 \r
 132         if (internal_data.current_state == ECUM_STATE_PREP_SHUTDOWN)\r
 133         {\r
 134 #if defined(USE_DEM)\r
 135                 // DEM shutdown\r
 136                 Dem_Shutdown();\r
 137 #endif\r
 138 \r
 139                 // Switch shutdown mode\r
 140                 if ((internal_data.shutdown_target == ECUM_STATE_OFF) || (internal_data.shutdown_target == ECUM_STATE_RESET)) {\r
 141                         enter_go_off_one_mode();\r
 142                 }\r
 143 \r
 144                 if (internal_data.shutdown_target == ECUM_STATE_SLEEP) {\r
 145                         enter_go_sleep_mode();\r
 146                 }\r
 147         }\r
 148 \r
 149         if (internal_data.current_state == ECUM_STATE_GO_OFF_ONE)\r
 150         {\r
 151 #if defined(USE_NVM)\r
 152                 if (internal_data_go_off_one_state_timeout)\r
 153                         internal_data_go_off_one_state_timeout--;\r
 154 \r
 155                 // Wait for the NVM job (NvmWriteAll) to terminate\r
 156                 NvM_GetErrorStatus(0, &writeAllResult);\r
 157                 if ((writeAllResult != NVM_REQ_PENDING) || (internal_data_go_off_one_state_timeout == 0))\r
 158                 {\r
 159                         ShutdownOS(E_OK);\r
 160                 }\r
 161 #else\r
 162                 ShutdownOS(E_OK);\r
 163 #endif\r
 164         }\r
 165 \r
 166         if (internal_data.current_state == ECUM_STATE_GO_SLEEP)\r
 167         {\r
 168                 // TODO: Fill out\r
 169         }\r
 170 \r
 171 }\r