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Fix Creality EEPROM watchdog freq. (#20510)

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Jason Smith 2020-12-19 21:55:57 -08:00 committed by GitHub
parent 2963229dfa
commit 6dfcd491d0
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 1 deletions
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Marlin/src/HAL/STM32F1/eeprom_bl24cxx.cpp
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@ -48,6 +48,7 @@ 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 +56,7 @@ 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);
if (size & 0x7F) delay(2); else safe_delay(2); // Avoid triggering watchdog during long EEPROM writes
if (++written & 0x7F) delay(2); else safe_delay(2); // Avoid triggering watchdog during long EEPROM writes
if (eeprom_read_byte(p) != v) {
SERIAL_ECHO_MSG(STR_ERR_EEPROM_WRITE);
return true;