41 lines
1.3 KiB
Rust
41 lines
1.3 KiB
Rust
extern crate i2cdev;
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extern crate i2cdev_bmp280;
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extern crate i2csensors;
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extern crate si7021;
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use i2cdev::linux::LinuxI2CDevice;
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use i2cdev_bmp280::*;
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use si7021::*;
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use i2csensors::{Barometer, Hygrometer, Thermometer};
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use std::env;
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fn main() {
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let i2c_path = env::args().skip(1).next().expect("i2c bus path (eg. /dev/i2c-1)");
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i2c_sensors(&i2c_path);
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}
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fn i2c_sensors(path: &str) {
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let i2c_device = LinuxI2CDevice::new(path, 0b1110110).unwrap();
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let settings = BMP280Settings {
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compensation: BMP280CompensationAlgorithm::Float,
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t_sb: BMP280Timing::ms4000,
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iir_filter_coeff: BMP280FilterCoefficient::UltraHigh,
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osrs_t: BMP280TemperatureOversampling::x2,
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osrs_p: BMP280PressureOversampling::UltraHighResolution,
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power_mode: BMP280PowerMode::NormalMode,
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};
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let mut bmp280 = BMP280::new(i2c_device, settings).unwrap();
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println!("pressure: {:6.2} kPa", bmp280.pressure_kpa().unwrap());
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println!("temp1: {:6.2} °C", bmp280.temperature_celsius().unwrap());
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let device = LinuxI2CDevice::new(path, SI7021_I2C_ADDRESS).unwrap();
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let mut si7021 = Si7021::new(device);
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println!("humidity: {:6.2} %", si7021.relative_humidity().unwrap());
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println!("temp2: {:6.2} °C", si7021.temperature_celsius().unwrap());
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}
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