#temperature #sensor #embedded-hal-driver #thermocouple

no-std max31856

A platform independent rust driver for Max31856 Precision Thermocouple to Digital Converter

1 unstable release

0.0.1 Jan 13, 2021

#29 in #temperature

MIT/Apache

23KB
342 lines

Rust driver for MAX31856

Uses embedded-hal (https://github.com/rust-embedded/embedded-hal) traits and patterns from Eldruin's driver-examples

Features:

  • Modify default configuration. see config()
  • Read/write configuration. See: send_config()
  • Read Linearized thermocouple temperature in Celcius. See: temperature()

Features in the next few versions:

  • Interrupts with FAULT pin
  • External temperature sensor for cold junction conversion
  • Read/write fault mask registers.
  • Read/write cold junction fault mask registers.
  • Read/write Linearized temperature fault registers.
  • Read/write cold junction temperature offset registers.
  • Read cold junction temperature.
  • Read Fault status.

Usage example

extern crate max31856
extern crate linux_embedded_hal

let spi = Spidev::open("/dev/spidev0.0").unwrap();
let cs = Pin::new(25);
let fault = Pin::new(23); //Fault pin is unused
let mut sensor = Max31856::new(spi, cs, fault);
// A default configuration is set on creation. It can be edited as follows
sensor.config().average_samples(max31856::AveragingMode::FourSamples);
sensor.send_config();
println!(sensor.temperature().unwrap());
sensor.config().conversion_mode(max31856::CMode::AutomaticConversion);
sensor.send_config();
println!(sensor.temperature().unwrap());

Support

For questions, issues, feature requests like compatibility with similar devices and other changes, please file an issue in the github project.

License

Licensed under either of

at your option.

Contributing

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.

Dependencies

~83KB