A pure-Rust crate to parse EDID data with no_std support. This crate does not include methods for gathering the data from the monitor.
To enable no_std support, ensure the alloc crate is available, use feature no_std, and then implement edid_rs::Read instead of std::io::Read for data sources.
Dual licensed under MIT and Apache-2.0.
Basic usage:
extern crate edid_rs;
use std::io::Cursor;
fn main() {
let bytes = vec![...];
println!("{:?}",
edid_rs::parse(&mut Cursor::new(bytes))
);
}Reading current monitor EDID on OSX:
$ ioreg -l -w0 -d0 -r -c AppleBacklightDisplay | grep IODisplayEDID - | tail -c 258 | head -c 256 | xxd -r -p | cargo run --example stdin
Compiling edid-rs v0.1.0 (../edid)
Finished dev [unoptimized + debuginfo] target(s) in 0.39s
Running `target/debug/examples/stdin`
Ok(EDID { product: ProductInformation { manufacturer_id: ManufacturerID('\u{4}', '\u{0}', '\u{6}'), product_code: 40994, serial_number: 0, manufacture_date: ManufactureDate { week: 4, year: 2013 } }, version: Version { version: 1, revision: 4 }, display: DisplayParameters { input: Digital { dfp_compatible: true }, max_size: Some(ImageSize { width: 33.0, height: 21.0 }), gamma: Some(2.2), dpms: DPMSFeatures { standby_supported: false, suspend_supported: false, low_power_supported: false, display_type: Monochrome, default_srgb: false, preferred_timing_mode: true, default_gtf_supported: false } }, color: ColorCharacteristics { red: (0.6533203, 0.33398438), green: (0.2998047, 0.6201172), blue: (0.14648438, 0.049804688), white: (0.3125, 0.32910156), white_points: [] }, timings: Timings { established_timings: [], standard_timings: [], detailed_timings: [DetailedTiming { pixel_clock: 337750000, active: (2880, 1800), front_porch: (48, 3), sync_length: (32, 6), back_porch: (80, 43), image_size: ImageSize { width: 33.1, height: 20.7 }, border: (0, 0), interlaced: false, stereo: None, sync_type: Seperate { horizontal: Positive, vertical: Negative } }] }, descriptors: MonitorDescriptors([MonitorName("Color LCD"), ManufacturerDefined(0, [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0])]), extensions: 0 })
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