FreeCalypso > hg > fc-tourmaline
view src/cs/layer1/cust0/ind_os.c @ 295:e5cfd6362158
VIBR SWE hooked into RiViera
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sun, 27 Mar 2022 19:44:08 +0000 |
parents | 4e78acac3d88 |
children |
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/************* Revision Controle System Header ************* * GSM Layer 1 software * IND_OS.C * * Filename ind_os.c * Version 1.1 * Date 04/26/00 * ************* Revision Controle System Header *************/ // Nucleus include files. #include "nucleus.h" #include "tc_defs.h" #include "sys_types.h" #include "ind_os.h" #include "l1_confg.h" // Layer1 and debug include files. #include "l1_types.h" #include "l1_const.h" #if (L1_GTT == 1) #include "l1gtt_const.h" #include "l1gtt_defty.h" #endif //#if ((ANALOG == 1) || (ANALOG == 2)) // #include "spi_drv.h" //#endif #if TESTMODE #include "l1tm_defty.h" #endif #include "l1audio_const.h" #include "l1audio_cust.h" #include "l1audio_defty.h" #include "l1_defty.h" #include "l1_msgty.h" #include "l1_varex.h" #if (CHIPSET == 2 || CHIPSET == 3 || CHIPSET == 4 || CHIPSET == 5 || CHIPSET == 6 || CHIPSET == 7 || CHIPSET == 8 || CHIPSET == 10 || CHIPSET == 11 || CHIPSET == 12) #include "ulpd.h" #endif extern UWORD32 TCD_Priority_Groups; extern TC_HCB *TCD_Active_HISR_Heads[TC_HISR_PRIORITIES]; extern VOID *TCD_Current_Thread; extern TC_HCB *TCD_Active_HISR_Tails[TC_HISR_PRIORITIES]; extern INT TMD_Timer_State; extern UWORD32 TMD_Timer; // for big sleep extern TC_PROTECT TCD_System_Protect; /*-------------------------------------------------------*/ /* int ind_os_sleep() */ /*-------------------------------------------------------*/ /* Parameters : none */ /* Return : */ /* Functionality : Suspend the thread an interval */ /* of millisecs. */ /* Limitation : */ /*-------------------------------------------------------*/ T_OS_RETURN ind_os_sleep (SYS_UWORD32 millisecs) { NU_Sleep ((SYS_UWORD32) millisecs); return OS_OK; } /*-------------------------------------------------------*/ /* int OS_get_inactivity_ticks() */ /*-------------------------------------------------------*/ /* Parameters : none */ /* Return : Number of ticks of inactivity */ /* 0 means immediate activity planned */ /* -1 means no activity planned */ /* Functionality : Evaluates the OS activity planned */ /* by looking at ready tasks, activated */ /* HISR and the elapsed time of the timers*/ /* Limitation : Must be protected from H/W interrupts */ /*-------------------------------------------------------*/ int OS_get_inactivity_ticks(void) { int i; // Returns immediate activity if a task is ready if (TCD_Priority_Groups) return 0; //for all HISR priorities for (i = 0; i < TC_HISR_PRIORITIES ; i++) { // if no hisr of priority "i" ==> go to next priority if (TCD_Active_HISR_Heads[i] == 0) continue; // the first hisr is NOT the current one (frame hisr) so it may be // with other priority ==> abort if (TCD_Active_HISR_Heads[i] != TCD_Current_Thread) return 0; // the last hisr is NOT the current one (frame hisr) so there is // at least another hisr with same priority ==> abort if (TCD_Active_HISR_Tails[i] != TCD_Current_Thread) return 0; // the first and last hisrs are the current one (frame hisr) but // there are several occurences of it ! ==> abort if ( (TCD_Active_HISR_Heads[i]->tc_activation_count != 1)) return 0; } // Returns remaining ticks number if any timer is active if (TMD_Timer_State == TM_ACTIVE) // any active timer ? { if (TMD_Timer <= MIN_SLEEP_TIME) return(0); else return TMD_Timer; } // Returns not activity if no timer active if (TMD_Timer_State == TM_NOT_ACTIVE) return -1; else // otherwise, returns immediate activity if a timer is expired (TM_EXPIRED) return(0); } /*-------------------------------------------------------*/ /* int OS_system_protect() */ /*-------------------------------------------------------*/ /* Parameters : none */ /* Return : The Thread Control Block of the thread */ /* which already owns the protection or */ /* 0 if no protection */ /* Functionality : Checks whether the system structures */ /* are already protected or not */ /*-------------------------------------------------------*/ void OS_system_protect (void) { NU_Protect((NU_PROTECT*) &TCD_System_Protect); } /*-------------------------------------------------------*/ /* int OS_system_Unprotect() */ /*-------------------------------------------------------*/ /* Parameters : none */ /* Return : */ /* Functionality : unprotect the system structures */ /*-------------------------------------------------------*/ void OS_system_Unprotect (void) { NU_Unprotect(); }