Files
IronOS/source/Core/BSP/MHP30/ThermoModel.cpp
2021-05-02 14:34:36 +10:00

23 lines
772 B
C++

/*
* ThermoModel.cpp
*
* Created on: 1 May 2021
* Author: Ralim
*/
#include "Setup.h"
#include "TipThermoModel.h"
#include "Utils.h"
#include "configuration.h"
extern uint16_t tipSenseResistancex10Ohms;
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, this is measured in the isTipDisconnected() function
if (tipSenseResistancex10Ohms > 900 && tipSenseResistancex10Ohms <= 1100) {
int32_t a = ((tipSenseResistancex10Ohms / 10) + 300) * (3300000 - tipuVDelta);
int32_t b = a / 1000000;
int32_t c = tipuVDelta - b;
int32_t d = c * 243 / 1000;
return d / 10;
}
return 0xFFFF;
}