【求助】K20模拟EEPROM出问题

北极星-38637

__ramfunc INT32U dvFlexEE_partition_flash(INT32U eeprom_size, INT32U dflash_size)
{
      /* Test to make sure the device is not already partitioned. If it
       * is already partitioned, then return with no action performed.
       */
      if ((SIM_FCFG1 & SIM_FCFG1_DEPART(0xF)) != 0x00000F00)
      {
           return PARTED_FAIL;
      }

      /* Write the FCCOB registers */
      FTFL_FCCOB0 = FTFL_FCCOB0_CCOBn(0x80); // Selects the PGMPART command
      FTFL_FCCOB1 = 0x00;
      FTFL_FCCOB2 = 0x00;
      FTFL_FCCOB3 = 0x00;

      /* FCCOB4 is written with the code for the subsystem sizes (eeprom_size define) */
      FTFL_FCCOB4 = eeprom_size;

      /* FFCOB5 is written with the code for the Dflash size (dflash_size define) */
      FTFL_FCCOB5 = dflash_size;


      /* All required FCCOBx registers are written, so launch the command */
      FTFL_FSTAT = FTFL_FSTAT_CCIF_MASK;
      
      /* Wait for the command to complete */
      while(!(FTFL_FSTAT & FTFL_FSTAT_CCIF_MASK));
      return 1;
}

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