mcp9700_thermistor.hpp File Reference

Hardware-agnostic MCP9700 / MCP9700A linear active thermistor driver. More...

#include <cmath>
#include <cstdint>
#include "mcp9700_version.h"
#include "../src/mcp9700_thermistor.ipp"

Include dependency graph for mcp9700_thermistor.hpp:

Go to the source code of this file.

Classes
class	hf::mcp9700::Mcp9700Thermistor< AdcType >
	Template driver for MCP9700 family sensors on a multiplexed ADC. More...

Namespaces
namespace	hf
namespace	hf::mcp9700

Enumerations
enum class	hf::mcp9700::Error : uint8_t {   hf::mcp9700::kNone = 0 , hf::mcp9700::kNotInitialized , hf::mcp9700::kInvalidArgument , hf::mcp9700::kInvalidCoefficients ,   hf::mcp9700::kAdcError , hf::mcp9700::kOutOfRange }
	Why the last call failed (see Mcp9700Thermistor::LastError()). More...

Functions
const char *	GetMcp9700DriverVersion () noexcept
	Driver version string (from the generated mcp9700_version.h).

Variables
constexpr float	hf::mcp9700::kDefaultVoltsAtZeroC = 0.5F
	Default output voltage at 0 °C (500 mV typical, MCP9700/MCP9700A).
constexpr float	hf::mcp9700::kDefaultVoltsPerCelsius = 0.01F
	Default sensitivity (10 mV/°C typical).
constexpr float	hf::mcp9700::kDefaultSpecifiedMinCelsius = -40.0F
	Default lower end of the specified temperature range (°C).
constexpr float	hf::mcp9700::kDefaultSpecifiedMaxCelsius = 125.0F
	Default upper end of the specified temperature range (°C).
constexpr float	hf::mcp9700::kDefaultRangeMarginCelsius = 8.0F
	Default plausibility margin (°C) added on both sides of the specified range.

Detailed Description

Hardware-agnostic MCP9700 / MCP9700A linear active thermistor driver.

Converts the sensor output voltage (0–Vdd) read through your ADC into °C using the factory-calibrated relationship from the Microchip datasheet (typically T_C = (Vout − 0.5 V) / (10 mV/°C)).

Copyright

Copyright (c) 2024-2026 HardFOC. All rights reserved.

Function Documentation

GetMcp9700DriverVersion()

const char * GetMcp9700DriverVersion ( )

inlinenoexcept

Driver version string (from the generated mcp9700_version.h).