Scratching debug tool for anc poking
This commit is contained in:
Ben V. Brown
parent
802822fbb6
commit
b540007bcc
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target/
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 3
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[[package]]
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name = "anc_decoder"
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version = "0.1.0"
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dependencies = [
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"declio",
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]
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[[package]]
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name = "darling"
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version = "0.13.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a01d95850c592940db9b8194bc39f4bc0e89dee5c4265e4b1807c34a9aba453c"
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dependencies = [
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"darling_core",
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"darling_macro",
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]
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[[package]]
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name = "darling_core"
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version = "0.13.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "859d65a907b6852c9361e3185c862aae7fafd2887876799fa55f5f99dc40d610"
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dependencies = [
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"fnv",
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"ident_case",
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"proc-macro2",
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"quote",
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"strsim",
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"syn",
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]
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[[package]]
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name = "darling_macro"
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version = "0.13.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9c972679f83bdf9c42bd905396b6c3588a843a17f0f16dfcfa3e2c5d57441835"
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dependencies = [
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"darling_core",
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"quote",
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"syn",
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]
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[[package]]
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name = "declio"
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version = "0.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ae2d0ab09a05314050f1b66e78c2497af54dad2335e15b815f208d1594c85264"
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dependencies = [
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"declio_derive",
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]
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[[package]]
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name = "declio_derive"
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version = "0.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5eb284008990d1298ed56c741ca8823481789d72ff055031bf21ceaeb61c0053"
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dependencies = [
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"darling",
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "fnv"
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version = "1.0.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
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[[package]]
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name = "ident_case"
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version = "1.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
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[[package]]
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name = "proc-macro2"
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version = "1.0.63"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "7b368fba921b0dce7e60f5e04ec15e565b3303972b42bcfde1d0713b881959eb"
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dependencies = [
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"unicode-ident",
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]
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[[package]]
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name = "quote"
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version = "1.0.29"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "573015e8ab27661678357f27dc26460738fd2b6c86e46f386fde94cb5d913105"
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dependencies = [
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"proc-macro2",
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]
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[[package]]
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name = "strsim"
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version = "0.10.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
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[[package]]
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name = "syn"
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version = "1.0.109"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
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dependencies = [
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"proc-macro2",
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"quote",
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"unicode-ident",
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]
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[[package]]
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name = "unicode-ident"
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version = "1.0.10"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "22049a19f4a68748a168c0fc439f9516686aa045927ff767eca0a85101fb6e73"
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@ -0,0 +1,9 @@
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[package]
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name = "anc_decoder"
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version = "0.1.0"
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edition = "2021"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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declio = "0.2.0"
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@ -0,0 +1,127 @@
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use declio::ctx::Endian;
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use declio::{Decode, Encode};
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use std::fs::File;
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use std::io::Read;
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//Super experimental dumb tooling for parsing out the ANC data
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// This is not production code, expect panics
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const AUDIO_START: usize = 0x003EE000;
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const AUDIO_LEN: usize = 16;
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const AUD_IIR_NUM: usize = 8;
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const AUD_COEF_LEN: usize = 0;
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#[derive(Debug, PartialEq, Encode, Decode, Copy, Clone, Default)]
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struct AudSectionHead {
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#[declio(ctx = "Endian::Little")]
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magic: u16,
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#[declio(ctx = "Endian::Little")]
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vesrion: u16,
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#[declio(ctx = "Endian::Little")]
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crc: u32,
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#[declio(ctx = "Endian::Little")]
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reserved0: u32,
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#[declio(ctx = "Endian::Little")]
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reserved1: u32,
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}
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#[derive(Debug, PartialEq, Encode, Decode, Copy, Clone, Default)]
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struct AudSectionBodyIdent {
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anc_ver: [u8; 16], // These are actually char* but honestly doesnt matter as seem to always be 0x00
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batch_info: [u8; 16], // These are actually char* but honestly doesnt matter as seem to always be 0x00
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serial: [u8; 16], // These are actually char* but honestly doesnt matter as seem to always be 0x00
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}
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#[derive(Debug, PartialEq, Encode, Decode, Copy, Clone, Default)]
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struct anc_iir_coefs {
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#[declio(ctx = "Endian::Little")]
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coef_b: [i32; 3],
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#[declio(ctx = "Endian::Little")]
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coef_a: [i32; 3],
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}
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#[derive(Debug, PartialEq, Encode, Decode, Copy, Clone, Default)]
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struct aud_item {
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#[declio(ctx = "Endian::Little")]
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total_gain: u32,
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#[declio(ctx = "Endian::Little")]
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iir_bypass_flag: u16,
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#[declio(ctx = "Endian::Little")]
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iir_counter: u16,
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iir_coef: [anc_iir_coefs; AUD_IIR_NUM],
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// #if (AUD_SECTION_STRUCT_VERSION == 1)
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// #[declio(ctx = "Endian::Little")]
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// fir_bypass_flag: u16,
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// #[declio(ctx = "Endian::Little")]
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// fir_len: u16,
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// #[declio(ctx = "Endian::Little")]
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// fir_coef: [i16; AUD_COEF_LEN],
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// pos_tab: [i8; 16],
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// #elif (AUD_SECTION_STRUCT_VERSION == 2)
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#[declio(ctx = "Endian::Little")]
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reserved_for_drc: [u32; 32],
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// #elif (AUD_SECTION_STRUCT_VERSION == 3)
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// #endif
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#[declio(ctx = "Endian::Little")]
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reserved1: i16,
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dac_gain_offset: i8, // in qdb (quater of dB)
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adc_gain_offset: i8, // in qdb (quater of dB)
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}
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#[derive(Debug, PartialEq, Encode, Decode, Copy, Clone, Default)]
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struct struct_anc_cfg {
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//
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anc_cfg_ff_l: aud_item,
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anc_cfg_ff_r: aud_item,
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anc_cfg_fb_l: aud_item,
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anc_cfg_fb_r: aud_item,
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}
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#[derive(Debug, PartialEq, Encode, Decode, Copy, Clone, Default)]
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struct pctool_struct_anc_cfg {
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//
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anc_cfg: [struct_anc_cfg; 2],
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}
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#[derive(Debug, PartialEq, Encode, Decode, Copy, Clone, Default)]
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struct AudSectionBodyConfig {
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anc_config_arr: [pctool_struct_anc_cfg; 4],
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}
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#[derive(Debug, PartialEq, Encode, Decode, Copy, Clone, Default)]
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struct AudSectionBody {
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anc_ident: AudSectionBodyIdent,
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anc_config: AudSectionBodyConfig,
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}
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#[derive(Debug, PartialEq, Encode, Decode, Copy, Clone, Default)]
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struct PctoolAudSection {
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header: AudSectionHead,
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body: AudSectionBody,
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}
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fn main() {
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println!("Super dumb anc firmware details dumper");
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println!("By Ralim <ralim@ralimtek.com>");
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println!("Reading firmware.bin");
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let file_contents = get_firmware_file("firmware.bin");
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println!("Running decoder");
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let dummy_init: PctoolAudSection = PctoolAudSection::default();
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let dummy_serialised = declio::to_bytes(dummy_init).unwrap();
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let decoded: PctoolAudSection =
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declio::from_bytes(&file_contents[AUDIO_START..AUDIO_START + dummy_serialised.len()])
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.expect("decode failed");
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println!("Decoded {:#?}", decoded)
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}
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fn get_firmware_file(filename: &str) -> Vec<u8> {
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let mut f = File::open(&filename).expect("no file found");
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let mut buffer = Vec::new();
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// read the whole file
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f.read_to_end(&mut buffer).expect("could not read file");
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buffer
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}
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