diff --git a/Marlin/src/HAL/STM32F1/eeprom_bl24cxx.cpp b/Marlin/src/HAL/STM32F1/eeprom_bl24cxx.cpp index 94b5e099bd..09fe8f9103 100644 --- a/Marlin/src/HAL/STM32F1/eeprom_bl24cxx.cpp +++ b/Marlin/src/HAL/STM32F1/eeprom_bl24cxx.cpp @@ -48,6 +48,8 @@ bool PersistentStore::access_start() { eeprom_init(); return true; } bool PersistentStore::access_finish() { return true; } bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) { + size_t written = 0; + while (size--) { uint8_t v = *value; uint8_t * const p = (uint8_t * const)pos; @@ -55,7 +57,10 @@ bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, ui // so only write bytes that have changed! if (v != eeprom_read_byte(p)) { eeprom_write_byte(p, v); - delay(2); + if (++written % 128 == 0) + safe_delay(2); // Avoid triggering watchdog during long EEPROM writes + else + delay(2); if (eeprom_read_byte(p) != v) { SERIAL_ECHO_MSG(STR_ERR_EEPROM_WRITE); return true;