MPCNC/Firmware2
1
0
Fork 0
Code Issues 1 Pull Requests Releases Wiki Activity

Prevent Watchdog reset writing Creality 4.x EEPROM (#20328)

Browse Source
This commit is contained in:
Jason Smith 2020-11-30 22:25:44 -08:00 committed by Scott Lahteine
parent d34bbee304
commit f929123a7b
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
Marlin/src/HAL/STM32F1/eeprom_bl24cxx.cpp
View File

@ -48,6 +48,8 @@ bool PersistentStore::access_start() { eeprom_init(); return true; }
bool PersistentStore::access_finish() { return true; } bool PersistentStore::access_finish() { return true; }
bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) { bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
size_t written = 0;
while (size--) { while (size--) {
uint8_t v = *value; uint8_t v = *value;
uint8_t * const p = (uint8_t * const)pos; 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! // so only write bytes that have changed!
if (v != eeprom_read_byte(p)) { if (v != eeprom_read_byte(p)) {
eeprom_write_byte(p, v); 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) { if (eeprom_read_byte(p) != v) {
SERIAL_ECHO_MSG(STR_ERR_EEPROM_WRITE); SERIAL_ECHO_MSG(STR_ERR_EEPROM_WRITE);
return true; return true;