Create isTipDisconnected function

source/Core/BSP/BSP.h

@@ -74,6 +74,8 @@ bool getIsPoweredByDCIN();
 // Logs the system state to a debug interface if supported
 void log_system_state(int32_t PWMWattsx10);
 
+// Returns true if the tip is disconnected
+bool isTipDisconnected();
 #ifdef __cplusplus
 }
 #endif

source/Core/BSP/MHP30/BSP.cpp

@@ -5,6 +5,7 @@
 #include "Model_Config.h"
 #include "Pins.h"
 #include "Setup.h"
+#include "TipThermoModel.h"
 #include "Utils.h"
 #include "history.hpp"
 #include "main.hpp"
@@ -180,3 +181,10 @@ void BSPInit(void) {}
 void reboot() { NVIC_SystemReset(); }
 
 void delay_ms(uint16_t count) { HAL_Delay(count); }
+
+bool isTipDisconnected() {
+
+  uint16_t tipDisconnectedThres = TipThermoModel::getTipMaxInC() - 5;
+  uint32_t tipTemp              = TipThermoModel::getTipInC();
+  return tipTemp > tipDisconnectedThres;
+}

source/Core/BSP/MHP30/ThermoModel.cpp

@@ -5,8 +5,8 @@
  *      Author: Ralim
  */
 #include "TipThermoModel.h"
-#include "configuration.h"
 #include "Utils.h"
+#include "configuration.h"
 
 #ifdef TEMP_uV_LOOKUP_MHP30
 const uint16_t uVtoDegC[] = {
@@ -47,5 +47,11 @@ const uint16_t uVtoDegC[] = {
 
 const int uVtoDegCItems = sizeof(uVtoDegC) / (2 * sizeof(uint16_t));
 
+uint32_t TipThermoModel::convertuVToDegC(uint32_t tipuVDelta) {
+  // For the MHP30, we are mimicing the original code and using the resistor fitted to the base of the heater head
+  // As such, we need to use the ADC and some pin toggling to measure this resistor
+  // We want to cache the value as it takes time to measure, but we also need to re-measure when the tip is inserted / removed
+  // We can detect the tip being inserted / removed by using the reading of that channel, as if its reporting max (0xFFFF) then the heater is not connected
 
-uint32_t TipThermoModel::convertuVToDegC(uint32_t tipuVDelta) { return Utils::InterpolateLookupTable(uVtoDegC, uVtoDegCItems, tipuVDelta); }
+  return Utils::InterpolateLookupTable(uVtoDegC, uVtoDegCItems, tipuVDelta);
+}

source/Core/BSP/Miniware/BSP.cpp

@@ -5,6 +5,7 @@
 #include "Model_Config.h"
 #include "Pins.h"
 #include "Setup.h"
+#include "TipThermoModel.h"
 #include "history.hpp"
 #include "main.hpp"
 #include <IRQ.h>
@@ -338,3 +339,10 @@ void BSPInit(void) { switchToFastPWM(); }
 void reboot() { NVIC_SystemReset(); }
 
 void delay_ms(uint16_t count) { HAL_Delay(count); }
+
+bool isTipDisconnected() {
+
+  uint16_t tipDisconnectedThres = TipThermoModel::getTipMaxInC() - 5;
+  uint32_t tipTemp              = TipThermoModel::getTipInC();
+  return tipTemp > tipDisconnectedThres;
+}

source/Core/BSP/Miniware/ThermoModel.cpp

@@ -5,10 +5,8 @@
  *      Author: Ralim
  */
 #include "TipThermoModel.h"
-#include "configuration.h"
 #include "Utils.h"
-
-
+#include "configuration.h"
 
 #ifdef TEMP_uV_LOOKUP_HAKKO
 const uint16_t uVtoDegC[] = {

source/Core/BSP/Pine64/BSP.cpp

@@ -4,6 +4,7 @@
 #include "I2C_Wrapper.hpp"
 #include "Pins.h"
 #include "Setup.h"
+#include "TipThermoModel.h"
 #include "gd32vf103_timer.h"
 #include "history.hpp"
 #include "main.hpp"
@@ -120,3 +121,10 @@ void     delay_ms(uint16_t count) { delay_1ms(count); }
 uint32_t __get_IPSR(void) {
   return 0; // To shut-up CMSIS
 }
+
+bool isTipDisconnected() {
+
+  uint16_t tipDisconnectedThres = TipThermoModel::getTipMaxInC() - 5;
+  uint32_t tipTemp              = TipThermoModel::getTipInC();
+  return tipTemp > tipDisconnectedThres;
+}

source/Core/BSP/Pine64/ThermoModel.cpp

@@ -5,9 +5,8 @@
  *      Author: Ralim
  */
 #include "TipThermoModel.h"
-#include "configuration.h"
 #include "Utils.h"
-
+#include "configuration.h"
 
 #ifdef TEMP_uV_LOOKUP_HAKKO
 const uint16_t uVtoDegC[] = {
@@ -70,5 +69,4 @@ const uint16_t uVtoDegC[] = {
 
 const int uVtoDegCItems = sizeof(uVtoDegC) / (2 * sizeof(uint16_t));
 
-
 uint32_t TipThermoModel::convertuVToDegC(uint32_t tipuVDelta) { return Utils::InterpolateLookupTable(uVtoDegC, uVtoDegCItems, tipuVDelta); }