+
−/************* 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 (L1_MP3 == 1)
+
−  #include "l1mp3_defty.h"
+
−#endif
+
−
+
−#if (L1_MIDI == 1)
+
−  #include "l1midi_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"
+
−#if (L1_MP3 == 1)
+
−  #include "l1mp3_defty.h"
+
−#endif
+
−#if (L1_MIDI == 1)
+
−  #include "l1midi_defty.h"
+
−#endif
+
−#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) || (CHIPSET == 15)
+
−  #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)
+
− {
+
−  #if (CODE_VERSION != SIMULATION)
+
−   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 ?
+
−     return TMD_Timer;
+
−
+
−   // Returns not activity if no timer active
+
−   else if (TMD_Timer_State == TM_NOT_ACTIVE)
+
−     return -1;
+
−   else
+
−     // otherwise, returns immediate activity if a timer is expired (TM_EXPIRED)
+
−     return(0);
+
−  #else // Simulation part
+
−    // the L3 simulator return the FN for the next L3 message
+
−    UWORD32 time;
+
−    time = (next_message_FN() - l1s.debug_time + MAX_FN)% MAX_FN;
+
−    return(time);
+
−  #endif
+
− }
+
−
+
− /*-------------------------------------------------------*/
+
− /* 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();
+
− }