abb.c

是一个手机功能的模拟程序

    afcout_index = ((afc + 512)>>10) + 1;
  else  
    afcout_index = (afc  + 512)>>10;

  if (sleep_performed == FRAME_STOP)   // Big sleep
  {
    #if ((ANALOG == 2) || (ANALOG == 3))
      //////////// ADD HERE IOTA or SYREN CONFIGURATION FOR BIG SLEEP ////////////////////////////
    #endif

  }
  else                                  // Deep sleep 
  {
    #if(ANALOG == 1) 
      // SELECTION OF AFC TEST MODE FOR OMEGA 
      //---------------------------------------------------
      // This test configuration allows access on the AFCOUT register 
      ABB_SetPage(PAGE1);

      // This transmission enables OMEGA test register. 
      ABB_WriteRegister(TAPCTRL, 0x01);  

      // This transmission selects OMEGA test instruction.
      ABB_WriteRegister(TAPREG, AFCTEST);  

      // Set AFCOUT to 0.
      ABB_WriteRegister(AFCOUT, 0x00 >> 6);  

      ABB_SetPage(PAGE0);

    #elif ((ANALOG == 2) || (ANALOG == 3))
      // This configuration allows access on the AFCOUT register 
      ABB_SetPage(PAGE1);

      // Read AFCCTLADD value and enable USP access to AFCOUT register
      reg_val = (ABB_ReadRegister(AFCCTLADD) | 0x04);

      ABB_WriteRegister(AFCCTLADD, reg_val);  

      // Set AFCOUT to 0.
      ABB_WriteRegister(AFCOUT, 0x00);  

      // Read BCICONF value	and cut the measurement bridge of BB cut the BB charge.
      reg_val = ABB_ReadRegister(BCICONF) & 0x039f;

      ABB_WriteRegister(BCICONF, reg_val);  
    
      // Disable the ABB test mode
      ABB_WriteRegister(TAPCTRL, 0x00);  
    
      ABB_SetPage(PAGE0);

      // Read BCICTL1 value and cut the measurement bridge of MB.
      reg_val = ABB_ReadRegister(BCICTL1) & 0x03fe;

      ABB_WriteRegister(BCICTL1, reg_val);  
    #endif
     
    // switch off MADC, AFC, AUXDAC, VOICE.
    ABB_WriteRegister(TOGBR1, 0x155);  

    // Switch off Analog supply LDO
    //-----------------------------
    #if (ANALOG == 1)  
      ABB_SetPage(PAGE1);
  
      // Read VRPCCTL3 register value and switch off VR3.  
      reg_val = ABB_ReadRegister(VRPCCTRL3) & 0x3df;

      ABB_WriteRegister(VRPCCTRL3, reg_val);  
      
      // Switch to low frequency clock  
      ABB_stop_13M();

    #elif (ANALOG == 2)
      // Read VRPCSTS register value and extract status of meaningfull inputs.  
      reg_val = ABB_ReadRegister(VRPCSTS) & 0x0070;

      if (reg_val == 0x30)
      {
        // start the SLPDLY counter in order to switch the ABB in sleep mode. This transmission sets IOTA sleep bit.
        ABB_WriteRegister(VRPCDEV, 0x02);  
      }

      // Dummy transmission to clean of ABB bus. This transmission accesses IOTA address 0 in "read".
      ABB_WriteRegister(0x0000 | 0x0001, 0x0000);  

      // Switch to low frequency clock  
      ABB_stop_13M();

    #elif (ANALOG == 3)
      // Read VRPCCFG register value and extract status of meaningfull inputs.  
      reg_val = ABB_ReadRegister(VRPCCFG) & 0x0160;

      if (reg_val == 0x120)         
      {
        // start the SLPDLY counter in order to switch the ABB in sleep mode. This transmission sets SYREN sleep bit.
        ABB_WriteRegister(VRPCCFG, 0x02);  
      }
             
      // Dummy transmission to clean of ABB bus. This transmission accesses SYREN address 0 in "read".
      ABB_WriteRegister(0x0000 | 0x0001, 0x0000);  

      // Switch to low frequency clock  
      ABB_stop_13M();
    #endif
  }

  // Stop the SPI clock
  #ifdef SPI_CLK_LOW_POWER
    SPI_CLK_DISABLE
  #endif

  return(Afcout_T[afcout_index]);
}




/*------------------------------------------------------------------------*/
/* ABB_wakeup()                                                           */
/*                                                                        */
/* This function sets the 13MHz clock working in ABB. A wait loop         */    
/* is required to allow first slow access to ABB clock register.          */
/* Then it re-enables DCDC and returns to PAGE 0.                         */
/*                                                                        */ 
/* WARNING !! : this function must not be protected by semaphore !!       */ 
/*                                                                        */ 
/*------------------------------------------------------------------------*/ 
void ABB_wakeup(SYS_UWORD8 sleep_performed, SYS_WORD16 afc)
{
  volatile SYS_UWORD16 status;
  SYS_UWORD16 reg_val;

  // Start spi clock, mask IT for RD and WR and read SPI_REG_STATUS to reset the RE and WE flags.   
  SPI_Ready_for_RDWR
  status = * (volatile SYS_UWORD16 *) SPI_REG_STATUS; 

  if (sleep_performed == FRAME_STOP)   // Big sleep
  { 
    #if ((ANALOG == 2) || (ANALOG == 3))
      //////////// ADD HERE IOTA or SYREN CONFIGURATION FOR BIG SLEEP WAKEUP ////////////////////////////
    #endif
  }
  else                                  // Deep sleep 
  {
    // Restitutes 13MHZ Clock to ABB
    ABB_free_13M();

    // Switch ON Analog supply LDO
    #if (ANALOG == 1)   
      ABB_SetPage(PAGE1);

      // Read VRPCCTL3 register value and switch on VR3.  
      reg_val = ABB_ReadRegister(VRPCCTRL3) | 0x020;

      ABB_WriteRegister(VRPCCTRL3, reg_val);  
      ABB_SetPage(PAGE0);
    #endif

    // This transmission switches on MADC, AFC.
    ABB_WriteRegister(TOGBR1, 0x280);  

    // This transmission sets the AUXAFC2. 
    ABB_WriteRegister(AUXAFC2, ((afc>>10) & 0x7));  

    // This transmission sets the AUXAFC1. 
    ABB_WriteRegister(AUXAFC1, (afc & 0x3ff));  

    #if (ANALOG == 1)
      // Remove AFC test mode  
      ABB_SetPage(PAGE1);

      // This transmission select Omega test instruction.
      ABB_WriteRegister(TAPREG, TSPTEST1);  

      // Disable test mode selection
      // This transmission disables Omega test register. 
      ABB_WriteRegister(TAPCTRL, 0x00 >> 6);  

      ABB_SetPage(PAGE0);

    #elif ((ANALOG == 2) || (ANALOG == 3))
      ABB_SetPage(PAGE1);

      // Read AFCCTLADD register value and disable USP access to AFCOUT register.  
      reg_val = ABB_ReadRegister(AFCCTLADD) & ~0x04;

      ABB_WriteRegister(AFCCTLADD, reg_val);  

      // Read BCICONF register value and enable BB measurement bridge enable BB charge.  
      reg_val = ABB_ReadRegister(BCICONF) | 0x0060;

      ABB_WriteRegister(BCICONF, reg_val);  
       
      // Enable the ABB test mode
      ABB_WriteRegister(TAPCTRL, 0x01);  
          
      ABB_SetPage(PAGE0);

      // Read BCICTL1 register value and enable MB measurement bridge and cut the measurement bridge of MB.  
      reg_val = ABB_ReadRegister(BCICTL1) | 0x0001;

      ABB_WriteRegister(BCICTL1, reg_val);  
    #endif   
  } 

  // Stop the SPI clock
  #ifdef SPI_CLK_LOW_POWER
    SPI_CLK_DISABLE
  #endif
}



/*------------------------------------------------------------------------*/
/* ABB_wa_VRPC()                                                          */
/*                                                                        */
/* This function initializes the VRPCCTRL1 or VRPCSIM register            */
/* according to the ABB used.                                             */
/*                                                                        */
/*------------------------------------------------------------------------*/ 
void ABB_wa_VRPC(SYS_UWORD16 value)
{
  volatile SYS_UWORD16 status;

  // Start spi clock, mask IT for WR and read SPI_REG_STATUS to reset the RE and WE flags.   
  SPI_Ready_for_WR
  status = * (volatile SYS_UWORD16 *) SPI_REG_STATUS; 

  #if ((ABB_SEMAPHORE_PROTECTION == 1) || (ABB_SEMAPHORE_PROTECTION == 2) || (ABB_SEMAPHORE_PROTECTION == 3))  

  // check if the semaphore has been correctly created and try to obtain it.
  // if the semaphore cannot be obtained, the task is suspended and then resumed 
  // as soon as the semaphore is released.
  if(&abb_sem != 0)
  {
    NU_Obtain_Semaphore(&abb_sem, NU_SUSPEND);
  }
  #endif  // ABB_SEMAPHORE_PROTECTION   

  ABB_SetPage(PAGE1);
    
  #if (ANALOG == 1)  
    // This transmission initializes the VRPCCTL1 register.
    ABB_WriteRegister(VRPCCTRL1, value);  

  #elif (ANALOG == 2)
    // This transmission initializes the VRPCSIM register.
    ABB_WriteRegister(VRPCSIM, value);  

  #elif (ANALOG == 3)
    // This transmission initializes the VRPCSIMR register.
    ABB_WriteRegister(VRPCSIMR, value);  

  #endif

  ABB_SetPage(PAGE0);

  #if ((ABB_SEMAPHORE_PROTECTION == 1) || (ABB_SEMAPHORE_PROTECTION == 2) || (ABB_SEMAPHORE_PROTECTION == 3))  
  // release the semaphore only if it has correctly been created.
  if(&abb_sem != 0)
  {
    NU_Release_Semaphore(&abb_sem);
  }
  #endif  // ABB_SEMAPHORE_PROTECTION   

  // Stop the SPI clock
  #ifdef SPI_CLK_LOW_POWER
    SPI_CLK_DISABLE
  #endif
}


/*-----------------------------------------------------------------------*/
/* ABB_Write_Uplink_Data()                                               */
/*                                                                       */
/* This function uses the SPI to write to ABB uplink buffer.             */
/*                                                                       */
/*-----------------------------------------------------------------------*/    
void ABB_Write_Uplink_Data(SYS_UWORD16 *TM_ul_data)
{
  SYS_UWORD8 i;
  volatile SYS_UWORD16 status;

  // Start spi clock, mask IT for WR and read SPI_REG_STATUS to reset the RE and WE flags.   
  SPI_Ready_for_WR
  status = * (volatile SYS_UWORD16 *) SPI_REG_STATUS; 

  // Select Page 0 for TOGBR2
  ABB_SetPage(PAGE0);

  // Initialize pointer of burst buffer 1 : IBUFPTR is bit 10 of TOGBR2
  ABB_WriteRegister(TOGBR2, 0x10);  

  // Clear, assuming that it works like IBUFPTR of Vega
  ABB_WriteRegister(TOGBR2, 0x0);  

  // Write the ramp data
  for (i=0;i<16;i++)
    ABB_WriteRegister(BULDATA1_2, TM_ul_data[i]>>6);  

  // Stop the SPI clock
  #ifdef SPI_CLK_LOW_POWER
    SPI_CLK_DISABLE
  #endif
}



#if (!OP_L1_STANDALONE)
/*-----------------------------------------------------------------------*/
/* ABB_Power_Off()                                                       */
/*                                                                       */
/* This function uses the SPI to switch off the ABB.                     */
/*                                                                       */
/*-----------------------------------------------------------------------*/    
void ABB_Power_Off(void)
{
  // Wait until all necessary actions are performed (write in FFS, etc...) to power-off the board (empirical value - 30 ticks).
  NU_Sleep (30);

  // Wait also until <ON/OFF> key is released.
  // This is needed to avoid, if the power key is pressed for a long time, to switch
  // ON-switch OFF the mobile, until the power key is released.
  #if((ANALOG == 1) || (ANALOG == 2)) 
    while ((ABB_Read_Status() & ONREFLT) == PWR_OFF_KEY_PRESSED) {
  #elif(ANALOG == 3) 
    while ((ABB_Read_Register_on_page(PAGE1, VRPCCFG) & PWOND) == PWR_OFF_KEY_PRESSED) {
  #endif
  
  NU_Sleep (1); }

  BZ_KeyBeep_OFF();

  #if(ANALOG == 1) 
    ABB_Write_Register_on_page(PAGE0, VRPCCTL2, 0x00EE);
  #elif((ANALOG == 2) || (ANALOG == 3)) 
    ABB_Write_Register_on_page(PAGE0, VRPCDEV, 0x0001);
  #endif 
}
#endif