SLVAFL1 October   2024 TPS25751 , TPS26750

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2EEPROM Boot Flow
    1. 2.1 Boot Process
    2. 2.2 Updating the EEPROM Image
    3. 2.3 Commands
    4. 2.4 EEPROM Update Example
  6. 3Source Code Example
    1. 3.1 UpdateRegionOfEeprom()
    2. 3.2 UpdateRegionOfEeprom_Step1
    3. 3.3 UpdateRegionOfEeprom_Step2()
    4. 3.4 UpdatingRegionOfEeprom_Step3()
    5. 3.5 UpdatingRegionOfEeprom_Step4()
    6. 3.6 WriteRegionPointer()
  7. 4Recovering From EEPROM Failure
  8. 5Summary
  9. 6References

3.2 UpdateRegionOfEeprom_Step1

static int32_t UpdateRegionOfEeprom_Step1(uint8_t region_number)
{
int32_t retVal = -1;
/*
* First erases the region-pointer so that if there is an interruption while writing
* the new Patch Bundle, it is guaranteed the PD controller won't try to load it.
*/
retVal = WriteRegionPointer(region_number, 0);
RETURN_ON_ERROR(retVal);
error:
return retVal;
}