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Skip hysteresis check when temp is already close to target

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To eliminate a long delay during pause, park, and filament change
This commit is contained in:
Scott Lahteine 2019-02-28 14:35:05 -06:00
parent 7de6476b3d
commit 7fde3ed915
1 changed files with 11 additions and 3 deletions
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14
Marlin/src/module/temperature.cpp
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@ -2716,7 +2716,7 @@ void Temperature::isr() {
#endif
float target_temp = -1.0, old_temp = 9999.0;
bool wants_to_cool = false;
bool wants_to_cool = false, first_loop = true;
wait_for_heatup = true;
millis_t now, next_temp_ms = 0, next_cool_check_ms = 0;
do {
@ -2759,7 +2759,10 @@ void Temperature::isr() {
if (!residency_start_ms) {
// Start the TEMP_RESIDENCY_TIME timer when we reach target temp for the first time.
if (temp_diff < TEMP_WINDOW) residency_start_ms = now;
if (temp_diff < TEMP_WINDOW) {
residency_start_ms = now;
if (first_loop) residency_start_ms += (TEMP_RESIDENCY_TIME) * 1000UL;
}
}
else if (temp_diff > TEMP_HYSTERESIS) {
// Restart the timer whenever the temperature falls outside the hysteresis.
@ -2786,6 +2789,8 @@ void Temperature::isr() {
}
#endif
first_loop = false;
} while (wait_for_heatup && TEMP_CONDITIONS);
if (wait_for_heatup) {
@ -2828,7 +2833,7 @@ void Temperature::isr() {
#endif
float target_temp = -1, old_temp = 9999;
bool wants_to_cool = false;
bool wants_to_cool = false, first_loop = true;
wait_for_heatup = true;
millis_t now, next_temp_ms = 0, next_cool_check_ms = 0;
@ -2883,6 +2888,7 @@ void Temperature::isr() {
if (!residency_start_ms) {
// Start the TEMP_BED_RESIDENCY_TIME timer when we reach target temp for the first time.
if (temp_diff < TEMP_BED_WINDOW) residency_start_ms = now;
if (first_loop) residency_start_ms += (TEMP_BED_RESIDENCY_TIME) * 1000UL;
}
else if (temp_diff > TEMP_BED_HYSTERESIS) {
// Restart the timer whenever the temperature falls outside the hysteresis.
@ -2909,6 +2915,8 @@ void Temperature::isr() {
}
#endif
first_loop = false;
} while (wait_for_heatup && TEMP_BED_CONDITIONS);
if (wait_for_heatup) ui.reset_status();