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Change DUMMY_PID_VALUE to NAN (#17079)

This commit is contained in:
Ivo Pischner 2020-10-27 12:21:38 +01:00
parent 44570a9c0c
commit 2a4bcb6c38
1 changed files with 4 additions and 5 deletions
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9
Marlin/configuration_store.cpp
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@ -354,7 +354,6 @@ void MarlinSettings::postprocess() {
#if ENABLED(EEPROM_SETTINGS)
#define DUMMY_PID_VALUE 3000.0f
#define EEPROM_START() int eeprom_index = EEPROM_OFFSET
#define EEPROM_SKIP(VAR) eeprom_index += sizeof(VAR)
#define EEPROM_WRITE(VAR) write_data(eeprom_index, (uint8_t*)&VAR, sizeof(VAR), &working_crc)
@ -657,7 +656,7 @@ void MarlinSettings::postprocess() {
else
#endif // !PIDTEMP
{
dummy = DUMMY_PID_VALUE; // When read, will not change the existing value
dummy = NAN; // When read, will not change the existing value
EEPROM_WRITE(dummy); // Kp
dummy = 0;
for (uint8_t q = 3; q--;) EEPROM_WRITE(dummy); // Ki, Kd, Kc
@ -673,7 +672,7 @@ void MarlinSettings::postprocess() {
EEPROM_WRITE(LPQ_LEN);
#if DISABLED(PIDTEMPBED)
dummy = DUMMY_PID_VALUE;
dummy = NAN;
for (uint8_t q = 3; q--;) EEPROM_WRITE(dummy);
#else
EEPROM_WRITE(thermalManager.bedKp);
@ -1267,7 +1266,7 @@ void MarlinSettings::postprocess() {
#if ENABLED(PIDTEMP)
for (uint8_t e = 0; e < MAX_EXTRUDERS; e++) {
EEPROM_READ(dummy); // Kp
if (e < HOTENDS && dummy != DUMMY_PID_VALUE) {
if (e < HOTENDS && !isnan(dummy)) {
// do not need to scale PID values as the values in EEPROM are already scaled
if (!validating) PID_PARAM(Kp, e) = dummy;
EEPROM_READ(PID_PARAM(Ki, e));
@ -1304,7 +1303,7 @@ void MarlinSettings::postprocess() {
#if ENABLED(PIDTEMPBED)
EEPROM_READ(dummy); // bedKp
if (dummy != DUMMY_PID_VALUE) {
if (!isnan(dummy)) {
if (!validating) thermalManager.bedKp = dummy;
EEPROM_READ(thermalManager.bedKi);
EEPROM_READ(thermalManager.bedKd);