Improve BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE (#13740)

Marlin/src/module/temperature.cpp

 //
 // Temperature Error Handlers
 //
+
+inline void loud_kill(PGM_P const lcd_msg) {
+  Running = false;
+  #if HAS_BUZZER && PIN_EXISTS(BEEPER)
+    for (uint8_t i = 20; i--;) {
+      WRITE(BEEPER_PIN, HIGH); delay(25);
+      WRITE(BEEPER_PIN, LOW); delay(80);
+    }
+    WRITE(BEEPER_PIN, HIGH);
+  #endif
+  kill(lcd_msg);
+}
+
 void Temperature::_temp_error(const heater_ind_t heater, PGM_P const serial_msg, PGM_P const lcd_msg) {
-  static bool killed = false;
-  if (IsRunning()) {
+
+  static uint8_t killed = 0;
+
+  if (IsRunning()
+    #if BOGUS_TEMPERATURE_GRACE_PERIOD
+      && killed == 2
+    #endif
+  ) {
     SERIAL_ERROR_START();
     serialprintPGM(serial_msg);
     SERIAL_ECHOPGM(MSG_STOPPED_HEATER);
     SERIAL_EOL();
   }
 
-  #if DISABLED(BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE)
-    if (!killed) {
-      Running = false;
-      killed = true;
-
-      disable_all_heaters();
+  disable_all_heaters(); // always disable (even for bogus temp)
 
-      #if HAS_BUZZER && PIN_EXISTS(BEEPER)
-        for (uint8_t i = 20; i--;) {
-          WRITE(BEEPER_PIN, HIGH); delay(25);
-          WRITE(BEEPER_PIN, LOW); delay(80);
-        }
-        WRITE(BEEPER_PIN, HIGH);
-      #endif
-
-      kill(lcd_msg);
+  #if BOGUS_TEMPERATURE_GRACE_PERIOD
+    const millis_t ms = millis();
+    static millis_t expire_ms;
+    switch (killed) {
+      case 0:
+        expire_ms = ms + BOGUS_TEMPERATURE_GRACE_PERIOD;
+        ++killed;
+        break;
+      case 1:
+        if (ELAPSED(ms, expire_ms)) ++killed;
+        break;
+      case 2:
+        loud_kill(lcd_msg);
+        ++killed;
+        break;
     }
-    else
-      disable_all_heaters(); // paranoia
-  #else
+  #elif defined(BOGUS_TEMPERATURE_GRACE_PERIOD)
     UNUSED(killed);
+  #else
+    if (!killed) { killed = 1; loud_kill(lcd_msg); }
   #endif
 }
 

Marlin/src/pins/pins_BEAST.h

 // Enable I2C_EEPROM for testing
 #define I2C_EEPROM
 
-// Ignore temp readings during develpment.
-#define BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
+// Ignore temp readings during development.
+//#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000
 
 //
 // Steppers

Marlin/src/pins/pins_BIGTREE_SKR_MINI_E3.h

 // Release PB3/PB4 (E0 STP/DIR) from JTAG pins
 #define DISABLE_JTAG
 
-// Ignore temp readings during develpment.
-//#define BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
+// Ignore temp readings during development.
+//#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000
 
 //
 // Servos

Marlin/src/pins/pins_BIGTREE_SKR_MINI_V1_1.h

 //#define DISABLE_DEBUG
 #define DISABLE_JTAG
 
-// Ignore temp readings during develpment.
-//#define BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
+// Ignore temp readings during development.
+//#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000
 
 //
 // Limit Switches

Marlin/src/pins/pins_BIGTREE_SKR_V1.3.h

   #define BOARD_NAME "BIGTREE SKR V1.3"
 #endif
 
-// Ignore temp readings during develpment.
-//#define BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
+// Ignore temp readings during development.
+//#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000
 
 //
 // Servos

Marlin/src/pins/pins_CHITU3D.h

 // Enable I2C_EEPROM for testing
 //#define I2C_EEPROM
 
-// Ignore temp readings during develpment.
-#define BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
+// Ignore temp readings during development.
+//#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000
 
 //
 // Steppers

Marlin/src/pins/pins_FYSETC_AIO_II.h

 
 #define pins_v2_20190128   // geo-f:add for new pins define
 
-// Ignore temp readings during develpment.
-#define BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
+// Ignore temp readings during development.
+//#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000
 
 //
 // Limit Switches

Marlin/src/pins/pins_FYSETC_CHEETAH.h

 #define BOARD_NAME        "FYSETC Cheetah"
 #define BOARD_WEBSITE_URL "https://fysetc.com"
 
-// Ignore temp readings during develpment.
-#define BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
+// Ignore temp readings during development.
+//#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000
 
 //
 // Servos

Marlin/src/pins/pins_GEN7_12.h

 
 // All these generations of Gen7 supply thermistor power
 // via PS_ON, so ignore bad thermistor readings
-#define BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
+//#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000
 
 #define DEBUG_PIN           0
 

Marlin/src/pins/pins_GTM32_PRO_VB.h

 //#define DISABLE_JTAGSWD
 
 // Ignore temp readings during development.
-#define BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
+//#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000
 
 // Enable EEPROM Emulation for this board as it doesn't have EEPROM
 #define FLASH_EEPROM_EMULATION

Marlin/src/pins/pins_SETHI.h

 
 // All these generations of Gen7 supply thermistor power
 // via PS_ON, so ignore bad thermistor readings
-#define BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
+//#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000
 
 // our pin for debugging.
 #define DEBUG_PIN           0

Marlin/src/pins/pins_STM32F1R.h

 #define BOARD_NAME           "Misc. STM32F1R"
 #define DEFAULT_MACHINE_NAME "STM32F103RET6"
 
-// Ignore temp readings during develpment.
-#define BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
+// Ignore temp readings during development.
+//#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000
 
 //
 // Limit Switches

Marlin/src/pins/pins_STM32F4.h

 
 #define E2END 0xFFF // 4KB
 
-// Ignore temp readings during develpment.
-//#define BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
+// Ignore temp readings during development.
+//#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000
 
 #if HOTENDS > 2 || E_STEPPERS > 2
   #error "STM32F4 supports up to 2 hotends / E-steppers."

Marlin/src/pins/pins_STM3R_MINI.h

 // Enable I2C_EEPROM for testing
 #define I2C_EEPROM
 
-// Ignore temp readings during develpment.
-#define BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
+// Ignore temp readings during development.
+//#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000
 
 //
 // Limit Switches

Marlin/src/pins/pins_THE_BORG.h

 
 #define E2END 0xFFF   // EEPROM end address
 
-// Ignore temp readings during develpment.
-#define BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
+// Ignore temp readings during development.
+//#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000
 
 #if HOTENDS > 3 || E_STEPPERS > 3
   #error "The-Borg supports up to 3 hotends / E-steppers."