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