Scratching debug tool for anc poking

2023-07-04 22:56:35 +10:00 · 2023-07-04 22:56:35 +10:00 · f12e474b2f
commit f12e474b2f
parent ced171a5c5
4 changed files with 256 additions and 0 deletions
--- a/dev_tools/anc_decoder/.gitignore
+++ b/dev_tools/anc_decoder/.gitignore
@ -0,0 +1 @@
+target/
--- a/dev_tools/anc_decoder/Cargo.lock
+++ b/dev_tools/anc_decoder/Cargo.lock
@ -0,0 +1,119 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "anc_decoder"
+version = "0.1.0"
+dependencies = [
+ "declio",
+]
+
+[[package]]
+name = "darling"
+version = "0.13.4"
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+checksum = "a01d95850c592940db9b8194bc39f4bc0e89dee5c4265e4b1807c34a9aba453c"
+dependencies = [
+ "darling_core",
+ "darling_macro",
+]
+
+[[package]]
+name = "darling_core"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "859d65a907b6852c9361e3185c862aae7fafd2887876799fa55f5f99dc40d610"
+dependencies = [
+ "fnv",
+ "ident_case",
+ "proc-macro2",
+ "quote",
+ "strsim",
+ "syn",
+]
+
+[[package]]
+name = "darling_macro"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "darling_core",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "declio"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae2d0ab09a05314050f1b66e78c2497af54dad2335e15b815f208d1594c85264"
+dependencies = [
+ "declio_derive",
+]
+
+[[package]]
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+dependencies = [
+ "darling",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "fnv"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+
+[[package]]
+name = "ident_case"
+version = "1.0.1"
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+[[package]]
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+checksum = "7b368fba921b0dce7e60f5e04ec15e565b3303972b42bcfde1d0713b881959eb"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.29"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "573015e8ab27661678357f27dc26460738fd2b6c86e46f386fde94cb5d913105"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "strsim"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+
+[[package]]
+name = "syn"
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+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "unicode-ident"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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--- a/dev_tools/anc_decoder/Cargo.toml
+++ b/dev_tools/anc_decoder/Cargo.toml
@ -0,0 +1,9 @@
+[package]
+name = "anc_decoder"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+declio = "0.2.0"
--- a/dev_tools/anc_decoder/src/main.rs
+++ b/dev_tools/anc_decoder/src/main.rs
@ -0,0 +1,127 @@
+use declio::ctx::Endian;
+use declio::{Decode, Encode};
+use std::fs::File;
+use std::io::Read;
+//Super experimental dumb tooling for parsing out the ANC data
+// This is not production code, expect panics
+
+const AUDIO_START: usize = 0x003EE000;
+const AUDIO_LEN: usize = 16;
+const AUD_IIR_NUM: usize = 8;
+const AUD_COEF_LEN: usize = 0;
+
+#[derive(Debug, PartialEq, Encode, Decode, Copy, Clone, Default)]
+struct AudSectionHead {
+    #[declio(ctx = "Endian::Little")]
+    magic: u16,
+    #[declio(ctx = "Endian::Little")]
+    vesrion: u16,
+    #[declio(ctx = "Endian::Little")]
+    crc: u32,
+    #[declio(ctx = "Endian::Little")]
+    reserved0: u32,
+    #[declio(ctx = "Endian::Little")]
+    reserved1: u32,
+}
+#[derive(Debug, PartialEq, Encode, Decode, Copy, Clone, Default)]
+struct AudSectionBodyIdent {
+    anc_ver: [u8; 16], // These are actually char* but honestly doesnt matter as seem to always be 0x00
+    batch_info: [u8; 16], // These are actually char* but honestly doesnt matter as seem to always be 0x00
+    serial: [u8; 16], // These are actually char* but honestly doesnt matter as seem to always be 0x00
+}
+
+#[derive(Debug, PartialEq, Encode, Decode, Copy, Clone, Default)]
+struct anc_iir_coefs {
+    #[declio(ctx = "Endian::Little")]
+    coef_b: [i32; 3],
+    #[declio(ctx = "Endian::Little")]
+    coef_a: [i32; 3],
+}
+#[derive(Debug, PartialEq, Encode, Decode, Copy, Clone, Default)]
+struct aud_item {
+    #[declio(ctx = "Endian::Little")]
+    total_gain: u32,
+
+    #[declio(ctx = "Endian::Little")]
+    iir_bypass_flag: u16,
+
+    #[declio(ctx = "Endian::Little")]
+    iir_counter: u16,
+    iir_coef: [anc_iir_coefs; AUD_IIR_NUM],
+
+    // #if (AUD_SECTION_STRUCT_VERSION == 1)
+    // #[declio(ctx = "Endian::Little")]
+    // fir_bypass_flag: u16,
+    // #[declio(ctx = "Endian::Little")]
+    // fir_len: u16,
+    // #[declio(ctx = "Endian::Little")]
+    // fir_coef: [i16; AUD_COEF_LEN],
+    // pos_tab: [i8; 16],
+    // #elif (AUD_SECTION_STRUCT_VERSION == 2)
+    #[declio(ctx = "Endian::Little")]
+    reserved_for_drc: [u32; 32],
+    // #elif (AUD_SECTION_STRUCT_VERSION == 3)
+
+    // #endif
+    #[declio(ctx = "Endian::Little")]
+    reserved1: i16,
+    dac_gain_offset: i8, // in qdb (quater of dB)
+    adc_gain_offset: i8, // in qdb (quater of dB)
+}
+
+#[derive(Debug, PartialEq, Encode, Decode, Copy, Clone, Default)]
+struct struct_anc_cfg {
+    //
+    anc_cfg_ff_l: aud_item,
+    anc_cfg_ff_r: aud_item,
+    anc_cfg_fb_l: aud_item,
+    anc_cfg_fb_r: aud_item,
+}
+
+#[derive(Debug, PartialEq, Encode, Decode, Copy, Clone, Default)]
+struct pctool_struct_anc_cfg {
+    //
+    anc_cfg: [struct_anc_cfg; 2],
+}
+
+#[derive(Debug, PartialEq, Encode, Decode, Copy, Clone, Default)]
+struct AudSectionBodyConfig {
+    anc_config_arr: [pctool_struct_anc_cfg; 4],
+}
+#[derive(Debug, PartialEq, Encode, Decode, Copy, Clone, Default)]
+struct AudSectionBody {
+    anc_ident: AudSectionBodyIdent,
+    anc_config: AudSectionBodyConfig,
+}
+#[derive(Debug, PartialEq, Encode, Decode, Copy, Clone, Default)]
+struct PctoolAudSection {
+    header: AudSectionHead,
+    body: AudSectionBody,
+}
+
+fn main() {
+    println!("Super dumb anc firmware details dumper");
+    println!("By Ralim <ralim@ralimtek.com>");
+    println!("Reading firmware.bin");
+    let file_contents = get_firmware_file("firmware.bin");
+    println!("Running decoder");
+
+    let dummy_init: PctoolAudSection = PctoolAudSection::default();
+    let dummy_serialised = declio::to_bytes(dummy_init).unwrap();
+
+    let decoded: PctoolAudSection =
+        declio::from_bytes(&file_contents[AUDIO_START..AUDIO_START + dummy_serialised.len()])
+            .expect("decode failed");
+
+    println!("Decoded {:#?}", decoded)
+}
+
+fn get_firmware_file(filename: &str) -> Vec<u8> {
+    let mut f = File::open(&filename).expect("no file found");
+    let mut buffer = Vec::new();
+
+    // read the whole file
+    f.read_to_end(&mut buffer).expect("could not read file");
+
+    buffer
+}