modm API documentation
Classes | Public Typedefs | Public Types | Public Member Functions | Static Public Member Functions | Static Public Attributes | Protected Member Functions | List of all members
modm::max31865< SpiMaster, Cs, pt > Class Template Reference
External Device Drivers » MAX31865 RTD-to-Digital Converter

#include <modm/driver/temperature/max31865.hpp>

Inheritance diagram for modm::max31865< SpiMaster, Cs, pt >:
modm::SpiDevice< SpiMaster >

Classes

struct  Data
 
struct  Pt
 

Public Typedefs

using FaultDetectionWrite_t = (Config) enum class FaultDetectionWrite Configuration< Config_t, FaultDetectionWrite, 0b11, 2 >
 
using FaultDetectionRead_t = Configuration< Config_t, FaultDetectionRead, 0b11, 2 >
 
using Rejection_t = Configuration< Config_t, Rejection, 0b1 >
 
using Data = max31865::Data< pt >
 

Public Types

enum  Fault : uint8_t {
  RtdHighThreshold = Bit7, RtdLowThreshold = Bit6, RefinMGreater85Percentbias = Bit5, RefinMLess85PercentVbias = Bit4,
  RtdinMLess85PercentVbias = Bit3, OverUnderVoltage = Bit2
}
 
enum  FaultDetectionRead : uint8_t { FaultDetectionFinished = 0b00, AutomaticDetectionStillRunning = 0b01, ManualCycle1Running, ManualCycle2StillRunning = 0b11 }
 
enum  Rejection : uint8_t { Rejection60Hz = 0b0, Rejection50Hz = 0b1 }
 
enum  Register : uint8_t {
  ReadConfiguration = 0x00, ReadRtdMsb = 0x01, ReadRtdLsb = 0x02, ReadHighFaultThresholdMsb = 0x03,
  ReadHighFaultThresholdLsb = 0x04, ReadLowFaultThresholdMsb = 0x05, ReadLowFaultThresholdLsb = 0x06, ReadFaultStatus = 0x07,
  WriteConfiguration = 0x80, WriteHighFaultThresholdMsb = 0x83, WriteHighFaultThresholdLsb = 0x84, WriteLowFaultThresholdMsb = 0x85,
  WriteLowFaultThresholdLsb = 0x86
}
 

Public Member Functions

 Max31865 (Data &data)
 
void initialize ()
 Call this function once before using the device.
 
void readout ()
 Read the raw data from the sensor.
 
Data & getData ()
 Get the data object for this sensor.
 
void attachConfigurationHandler (Spi::ConfigurationHandler handler)
 

Static Public Member Functions

static constexpr uint16_t rtdfaultthresh (const uint16_t res)
 

Static Public Attributes

static constexpr Pt pt100
 Standard values for IEC 751 (PT100) with 430 Ohm reference. More...
 

Protected Member Functions

bool acquireMaster ()
 
bool releaseMaster ()
 

Detailed Description

template<typename SpiMaster, typename Cs, max31865::Pt pt = max31865::pt100>
class modm::max31865< SpiMaster, Cs, pt >

Template Parameters
SpiMaster
Cs

Member Function Documentation

template<typename SpiMaster , typename Cs , max31865::Pt pt = max31865::pt100>
modm::max31865< SpiMaster, Cs, pt >::Max31865 ( Data &  data)
Parameters
datapointer to buffer of the internal data of type Data

Member Data Documentation

template<typename SpiMaster , typename Cs , max31865::Pt pt = max31865::pt100>
constexpr Pt modm::max31865< SpiMaster, Cs, pt >::pt100
staticconstexpr
Initial value:
{
.R0 = 100.f,
.Rref = 430.f,
.alpha = 3.85055e-3f,
.a = double{3.90830e-3},
.b = double{-5.77500e-7},
.c = double{-4.18301e-12},
}

Standard values for IEC 751 (PT100) with 430 Ohm reference.

The documentation for this class was generated from the following file: