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 \r
  17 \r
  18 \r
  19 \r
  20 \r
  21 \r
  22 \r
  23 #include "EcuM.h"\r
  24 #include "EcuM_Cbk.h"\r
  25 #include "EcuM_Internals.h"\r
  26 #if defined(USE_DEM)\r
  27 #include "Dem.h"\r
  28 #endif\r
  29 #if     (ECUM_INCLUDE_NVRAM_MGR == STD_ON)\r
  30 #include "Nvm.h"\r
  31 #endif\r
  32 \r
  33 static uint32 internal_data_run_state_timeout = 0;\r
  34 #if     (ECUM_INCLUDE_NVRAM_MGR == STD_ON)\r
  35 static uint32 internal_data_go_off_one_state_timeout = 0;\r
  36 #endif\r
  37 \r
  38 \r
  39 \r
  40 inline void EcuM_enter_run_mode(void)\r
  41 {\r
  42         internal_data.current_state = ECUM_STATE_APP_RUN;\r
  43         EcuM_OnEnterRUN();\r
  44         internal_data_run_state_timeout = internal_data.config->EcuMRunSelfRequestPeriod / ECUM_MAIN_FUNCTION_PERIOD;\r
  45 }\r
  46 \r
  47 static inline void enter_post_run_mode(void)\r
  48 {\r
  49         internal_data.current_state = ECUM_STATE_APP_POST_RUN;\r
  50 }\r
  51 \r
  52 static inline void enter_prep_shutdown_mode(void)\r
  53 {\r
  54         internal_data.current_state = ECUM_STATE_PREP_SHUTDOWN;\r
  55         EcuM_OnPrepShutdown();\r
  56 }\r
  57 \r
  58 static inline void enter_go_sleep_mode(void)\r
  59 {\r
  60         internal_data.current_state = ECUM_STATE_GO_SLEEP;\r
  61         void EcuM_OnGoSleep();\r
  62 }\r
  63 \r
  64 static inline void enter_go_off_one_mode(void)\r
  65 {\r
  66         internal_data.current_state = ECUM_STATE_GO_OFF_ONE;\r
  67         EcuM_OnGoOffOne();\r
  68 \r
  69 #if defined(USE_COMM)\r
  70         ComM_DeInit();\r
  71 #endif\r
  72 \r
  73 #if     (ECUM_INCLUDE_NVRAM_MGR == STD_ON)\r
  74 \r
  75         // Start NvM_WriteAll and timeout timer\r
  76         NvM_WriteAll();\r
  77 \r
  78         internal_data_go_off_one_state_timeout = internal_data.config->EcuMNvramWriteAllTimeout / ECUM_MAIN_FUNCTION_PERIOD;\r
  79 #endif\r
  80 }\r
  81 \r
  82 static inline boolean hasRunRequests(void)\r
  83 {\r
  84         boolean result = internal_data.run_requests;\r
  85 \r
  86 #if defined(USE_COMM)\r
  87         result |= internal_data.run_comm_requests;\r
  88 #endif\r
  89 \r
  90         return (result != 0);\r
  91 }\r
  92 \r
  93 static inline boolean hasPostRunRequests(void)\r
  94 {\r
  95         return (internal_data.postrun_requests != 0);\r
  96 }\r
  97 \r
  98 void EcuM_MainFunction(void)\r
  99 {\r
 100 #if     (ECUM_INCLUDE_NVRAM_MGR == STD_ON)\r
 101 static NvM_RequestResultType writeAllResult;\r
 102 #endif\r
 103 \r
 104 VALIDATE_NO_RV(internal_data.initiated, ECUM_MAINFUNCTION_ID, ECUM_E_NOT_INITIATED);\r
 105 \r
 106         if (internal_data.current_state == ECUM_STATE_APP_RUN)\r
 107         {\r
 108                 if (internal_data_run_state_timeout)\r
 109                         internal_data_run_state_timeout--;\r
 110 \r
 111                 if (!hasRunRequests() && (internal_data_run_state_timeout == 0))\r
 112                 {\r
 113                         EcuM_OnExitRun();       // ECUM_2865\r
 114                         enter_post_run_mode();\r
 115                         return;\r
 116                 }\r
 117         }\r
 118 \r
 119         if (internal_data.current_state == ECUM_STATE_APP_POST_RUN)\r
 120         {\r
 121                 if (hasRunRequests())\r
 122                 {\r
 123                         EcuM_enter_run_mode(); // ECUM_2866\r
 124                         return;\r
 125                 }\r
 126 \r
 127                 if (!hasPostRunRequests())\r
 128                 {\r
 129                         EcuM_OnExitPostRun(); // ECUM_2761\r
 130                         enter_prep_shutdown_mode();\r
 131                         return;\r
 132                 }\r
 133         }\r
 134 \r
 135         if (internal_data.current_state == ECUM_STATE_PREP_SHUTDOWN)\r
 136         {\r
 137 #if defined(USE_DEM)\r
 138                 // DEM shutdown\r
 139                 Dem_Shutdown();\r
 140 #endif\r
 141 \r
 142                 // Switch shutdown mode\r
 143                 if ((internal_data.shutdown_target == ECUM_STATE_OFF) || (internal_data.shutdown_target == ECUM_STATE_RESET)) {\r
 144                         enter_go_off_one_mode();\r
 145                 }\r
 146 \r
 147                 if (internal_data.shutdown_target == ECUM_STATE_SLEEP) {\r
 148                         enter_go_sleep_mode();\r
 149                 }\r
 150         }\r
 151 \r
 152         if (internal_data.current_state == ECUM_STATE_GO_OFF_ONE)\r
 153         {\r
 154 #if     (ECUM_INCLUDE_NVRAM_MGR == STD_ON)\r
 155                 if (internal_data_go_off_one_state_timeout)\r
 156                         internal_data_go_off_one_state_timeout--;\r
 157 \r
 158                 // Wait for the NVM job (NvmWriteAll) to terminate\r
 159                 NvM_GetErrorStatus(0, &writeAllResult);\r
 160                 if ((writeAllResult != NVM_REQ_PENDING) || (internal_data_go_off_one_state_timeout == 0))\r
 161                 {\r
 162                         ShutdownOS(E_OK);\r
 163                 }\r
 164 #else\r
 165                 ShutdownOS(E_OK);\r
 166 #endif\r
 167         }\r
 168 \r
 169         if (internal_data.current_state == ECUM_STATE_GO_SLEEP)\r
 170         {\r
 171                 // TODO: Fill out\r
 172         }\r
 173 \r
 174 }\r