esp-println 0.6.0

Provides `print!` and `println!` implementations various Espressif devices
Documentation 
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fn main() {
    // Ensure that only a single chip is specified
    let chip_features = [
        cfg!(feature = "esp32"),
        cfg!(feature = "esp32c2"),
        cfg!(feature = "esp32c3"),
        cfg!(feature = "esp32c6"),
        cfg!(feature = "esp32h2"),
        cfg!(feature = "esp32s2"),
        cfg!(feature = "esp32s3"),
        cfg!(feature = "esp8266"),
    ];

    match chip_features.iter().filter(|&&f| f).count() {
        1 => {}
        n => panic!("Exactly 1 chip must be enabled via its Cargo feature, {n} provided"),
    };

    // Ensure that only a single communication method is specified
    let method_features = [
        cfg!(feature = "uart"),
        cfg!(feature = "jtag_serial"),
        cfg!(feature = "rtt"),
    ];

    match method_features.iter().filter(|&&f| f).count() {
        1 => {}
        n => panic!(
            "Exactly 1 communication method must be enabled via its Cargo feature, {n} provided"
        ),
    }

    // Ensure that, if the `jtag_serial` communication method feature is enabled,
    // either the `esp32c3`, `esp32c6`, `esp32h2`, or `esp32s3` chip feature is
    // enabled.
    if cfg!(feature = "jtag_serial")
        && !(cfg!(feature = "esp32c3")
            || cfg!(feature = "esp32c6")
            || cfg!(feature = "esp32h2")
            || cfg!(feature = "esp32s3"))
    {
        panic!(
            "The `jtag_serial` feature is only supported by the ESP32-C3, ESP32-C6, ESP32-H2, and ESP32-S3"
        );
    }
}