#thermometer #rtd #pt100 #pt1000

no-std pt-rtd

Calculation of resistance and temperature for platinum type RTDs, e.g. PT100.

2 releases

0.1.1 Feb 19, 2023
0.1.0 Feb 19, 2023

#683 in Embedded development

MIT/Apache

9KB
118 lines

pt-rtd

Latest Version Documentation License Dependency Status

Usage

Add this to your Cargo.toml:

[dependencies]
pt-rtd = "0.1"

Examples

Conversion of temperature and resistance values:

use pt_rtd::{
    self as rtd,
    RTDType,
};

fn main() -> ! {
    let resistance: f32 = 100.0;
    let temperature: f32 = 0.0;

    // Convert resistance to temperature
    let result = rtd::calc_t(resistance, RTDType::PT100);
    let t = match result {
        Ok(temp) => temp,
        Err(e) => // handle error
    }

    // Convert temperature to resistance
    let result = rtd::calc_r(temperature, RTDType::PT100);
    let r = match result {
        Ok(res) => res,
        Err(e) => // handle error
    }
}

For relative mesurements, the library can also convert the ADC reading to a resistance value:

use pt_rtd::{
    self as rtd,
    ADCRes,
};

fn main() -> ! {
    let adc_value: u32 = 1000;
    let adc_resolution = ADCRes::B24;
    let ref_resistance = 5600;
    let pga_gain = 16;

    let result = rtd::conv_d_val_to_r(adc_value, ref_resistance, adc_resolution, pga_gain);
    let r = match result {
        Ok(res) => res,
        Err(e) => // handle error
    }
}

License

Licensed under either of Apache License, Version 2.0 or MIT license at your option.
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in this crate by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.

Dependencies

~410KB