92910bf1cb
* UART: only implement constructors with config, define ConfigError * UART: only implement interrupt functions for Blocking * I2C: fallible constructors * Lcd/Cam * SPI * Update tests and examples * Changelog * Add note about ConfigError * Fmt
39 lines
896 B
Rust
39 lines
896 B
Rust
//! Read calibration data from BMP180 sensor
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//!
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//! This example dumps the calibration data from a BMP180 sensor
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//!
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//! The following wiring is assumed:
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//! - SDA => GPIO4
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//! - SCL => GPIO5
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//% CHIPS: esp32 esp32c2 esp32c3 esp32c6 esp32h2 esp32s2 esp32s3
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#![no_std]
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#![no_main]
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use esp_backtrace as _;
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use esp_hal::{
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i2c::master::{Config, I2c},
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prelude::*,
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};
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use esp_println::println;
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#[entry]
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fn main() -> ! {
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let peripherals = esp_hal::init(esp_hal::Config::default());
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// Create a new peripheral object with the described wiring and standard
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// I2C clock speed:
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let mut i2c = I2c::new(peripherals.I2C0, Config::default())
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.unwrap()
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.with_sda(peripherals.GPIO4)
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.with_scl(peripherals.GPIO5);
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loop {
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let mut data = [0u8; 22];
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i2c.write_read(0x77, &[0xaa], &mut data).ok();
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println!("{:02x?}", data);
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}
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}
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