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();\r
  38         internal_data_run_state_timeout = internal_data.config->EcuMRunMinimumDuration / ECUM_MAIN_FUNCTION_PERIOD;\r
  39 }\r
  40 \r
  41 static inline void enter_post_run_mode(void)\r
  42 {\r
  43         internal_data.current_state = ECUM_STATE_APP_POST_RUN;\r
  44 }\r
  45 \r
  46 static inline void enter_prep_shutdown_mode(void)\r
  47 {\r
  48         internal_data.current_state = ECUM_STATE_PREP_SHUTDOWN;\r
  49         EcuM_OnPrepShutdown();\r
  50 }\r
  51 \r
  52 static inline void enter_go_sleep_mode(void)\r
  53 {\r
  54         internal_data.current_state = ECUM_STATE_GO_SLEEP;\r
  55         EcuM_OnGoSleep();\r
  56 }\r
  57 \r
  58 static inline void enter_go_off_one_mode(void)\r
  59 {\r
  60         internal_data.current_state = ECUM_STATE_GO_OFF_ONE;\r
  61         EcuM_OnGoOffOne();\r
  62 \r
  63 #if defined(USE_COMM)\r
  64         ComM_DeInit();\r
  65 #endif\r
  66 \r
  67 #if defined(USE_NVM)\r
  68 \r
  69         // Start NvM_WriteAll and timeout timer\r
  70         NvM_WriteAll();\r
  71 \r
  72         internal_data_go_off_one_state_timeout = internal_data.config->EcuMNvramWriteAllTimeout / ECUM_MAIN_FUNCTION_PERIOD;\r
  73 #endif\r
  74 }\r
  75 \r
  76 static inline boolean hasRunRequests(void)\r
  77 {\r
  78         uint32 result = internal_data.run_requests;\r
  79 \r
  80 #if defined(USE_COMM)\r
  81         result |= internal_data.run_comm_requests;\r
  82 #endif\r
  83 \r
  84         return (result != 0);\r
  85 }\r
  86 \r
  87 static inline boolean hasPostRunRequests(void)\r
  88 {\r
  89         return (internal_data.postrun_requests != 0);\r
  90 }\r
  91 \r
  92 void EcuM_MainFunction(void)\r
  93 {\r
  94 #if defined(USE_NVM)\r
  95 static NvM_RequestResultType writeAllResult;\r
  96 #endif\r
  97 \r
  98 VALIDATE_NO_RV(internal_data.initiated, ECUM_MAINFUNCTION_ID, ECUM_E_NOT_INITIATED);\r
  99 \r
 100         if (internal_data.current_state == ECUM_STATE_APP_RUN)\r
 101         {\r
 102                 if (internal_data_run_state_timeout)\r
 103                 {\r
 104                         internal_data_run_state_timeout--;\r
 105                 }\r
 106 \r
 107                 if ((!hasRunRequests()) && (internal_data_run_state_timeout == 0))\r
 108                 {\r
 109                         EcuM_OnExitRun();       // ECUM_2865\r
 110                         enter_post_run_mode();\r
 111                         /*lint --e(904)*/ return;\r
 112                 }\r
 113         }\r
 114 \r
 115         if (internal_data.current_state == ECUM_STATE_APP_POST_RUN)\r
 116         {\r
 117                 if (hasRunRequests())\r
 118                 {\r
 119                         EcuM_enter_run_mode(); // ECUM_2866\r
 120                         /*lint --e(904)*/ return;\r
 121                 }\r
 122 \r
 123                 if (!hasPostRunRequests())\r
 124                 {\r
 125                         EcuM_OnExitPostRun(); // ECUM_2761\r
 126                         enter_prep_shutdown_mode();\r
 127                         /*lint --e(904)*/ return;\r
 128                 }\r
 129         }\r
 130 \r
 131         if (internal_data.current_state == ECUM_STATE_PREP_SHUTDOWN)\r
 132         {\r
 133 #if defined(USE_DEM)\r
 134                 // DEM shutdown\r
 135                 Dem_Shutdown();\r
 136 #endif\r
 137 \r
 138                 // Switch shutdown mode\r
 139                 if ((internal_data.shutdown_target == ECUM_STATE_OFF) || (internal_data.shutdown_target == ECUM_STATE_RESET)) {\r
 140                         enter_go_off_one_mode();\r
 141                 }\r
 142 \r
 143                 if (internal_data.shutdown_target == ECUM_STATE_SLEEP) {\r
 144                         enter_go_sleep_mode();\r
 145                 }\r
 146         }\r
 147 \r
 148         if (internal_data.current_state == ECUM_STATE_GO_OFF_ONE)\r
 149         {\r
 150 #if defined(USE_NVM)\r
 151                 if (internal_data_go_off_one_state_timeout)\r
 152                         internal_data_go_off_one_state_timeout--;\r
 153 \r
 154                 // Wait for the NVM job (NvmWriteAll) to terminate\r
 155                 NvM_GetErrorStatus(0, &writeAllResult);\r
 156                 if ((writeAllResult != NVM_REQ_PENDING) || (internal_data_go_off_one_state_timeout == 0))\r
 157                 {\r
 158                         ShutdownOS(E_OK);\r
 159                 }\r
 160 #else\r
 161                 ShutdownOS(E_OK);\r
 162 #endif\r
 163         }\r
 164 \r
 165         if (internal_data.current_state == ECUM_STATE_GO_SLEEP)\r
 166         {\r
 167                 // TODO: Fill out\r
 168         }\r
 169 \r
 170 }\r