From 941f602a203e851426ad65e09b1565cc6ef3a166 Mon Sep 17 00:00:00 2001 From: whitequark Date: Tue, 27 Mar 2018 10:16:11 +0000 Subject: [PATCH] Use the crc crate. --- firmware/Cargo.lock | 16 ++++++++++++++ firmware/Cargo.toml | 1 + firmware/src/config.rs | 2 +- firmware/src/crc32.rs | 49 ------------------------------------------ firmware/src/main.rs | 2 +- 5 files changed, 19 insertions(+), 51 deletions(-) delete mode 100644 firmware/src/crc32.rs diff --git a/firmware/Cargo.lock b/firmware/Cargo.lock index 2b47568..9ae8195 100644 --- a/firmware/Cargo.lock +++ b/firmware/Cargo.lock @@ -13,6 +13,11 @@ name = "bitflags" version = "1.0.1" source = "registry+https://github.com/rust-lang/crates.io-index" +[[package]] +name = "build_const" +version = "0.2.0" +source = "registry+https://github.com/rust-lang/crates.io-index" + [[package]] name = "byteorder" version = "1.2.1" @@ -48,12 +53,21 @@ dependencies = [ "rustc_version 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)", ] +[[package]] +name = "crc" +version = "1.7.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "build_const 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)", +] + [[package]] name = "ionpak-firmware" version = "1.0.0" dependencies = [ "cortex-m 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)", "cortex-m-rt 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)", + "crc 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)", "smoltcp 0.4.0 (git+https://github.com/m-labs/smoltcp?rev=cd893e6)", "tm4c129x 0.5.0 (git+https://github.com/m-labs/dslite2svd?rev=d527f3f)", "walkdir 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)", @@ -237,10 +251,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index" "checksum aligned 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d1a92995cea48691c7c93e12597cca4d692bb3130d0a291c7141b9793c7829e7" "checksum bare-metal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "aacbba24771a81cfe18f5aedd5bf3208ca8324ecdd9344ddb61f8d2a051a4574" "checksum bitflags 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b3c30d3802dfb7281680d6285f2ccdaa8c2d8fee41f93805dba5c4cf50dc23cf" +"checksum build_const 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e90dc84f5e62d2ebe7676b83c22d33b6db8bd27340fb6ffbff0a364efa0cb9c9" "checksum byteorder 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "652805b7e73fada9d85e9a6682a4abd490cb52d96aeecc12e33a0de34dfd0d23" "checksum chrono 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7c20ebe0b2b08b0aeddba49c609fe7957ba2e33449882cb186a180bc60682fa9" "checksum cortex-m 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4d553ca1f23403c81e6d3d28a64ef6e8eadd7f395195aacda65cbc0dc987738e" "checksum cortex-m-rt 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)" = "53c69efde430b7033dff0257ab2d899be0c66d1d60091aa6ff1eea8db0f74e44" +"checksum crc 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bd5d02c0aac6bd68393ed69e00bbc2457f3e89075c6349db7189618dc4ddc1d7" "checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d" "checksum libc 0.2.40 (registry+https://github.com/rust-lang/crates.io-index)" = "6fd41f331ac7c5b8ac259b8bf82c75c0fb2e469bbf37d2becbba9a6a2221965b" "checksum managed 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "43e2737ecabe4ae36a68061398bf27d2bfd0763f4c3c837a398478459494c4b7" diff --git a/firmware/Cargo.toml b/firmware/Cargo.toml index d1678cf..f12e283 100644 --- a/firmware/Cargo.toml +++ b/firmware/Cargo.toml @@ -9,6 +9,7 @@ walkdir = "1.0" [dependencies] cortex-m = "0.3" cortex-m-rt = "0.3" +crc = { version = "1.7", default-features = false } [dependencies.tm4c129x] git = "https://github.com/m-labs/dslite2svd" diff --git a/firmware/src/config.rs b/firmware/src/config.rs index 1248945..b1505f9 100644 --- a/firmware/src/config.rs +++ b/firmware/src/config.rs @@ -1,5 +1,5 @@ use eeprom; -use crc32; +use crc::crc32; use smoltcp::wire::{IpCidr, IpAddress}; const MAGIC: u8 = 0x54; diff --git a/firmware/src/crc32.rs b/firmware/src/crc32.rs deleted file mode 100644 index 9cbaa56..0000000 --- a/firmware/src/crc32.rs +++ /dev/null @@ -1,49 +0,0 @@ -// Based on crc 1.4.0 by mrhooray - -static IEEE_TABLE: [u32; 256] = [ - 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, - 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, - 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, - 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5, - 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, - 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59, - 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f, - 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, - 0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433, - 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, - 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, - 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65, - 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, - 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, - 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, - 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, - 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, - 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, - 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7, - 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, - 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, - 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79, - 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, - 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d, - 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, - 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, - 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777, - 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, - 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, - 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, - 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf, - 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d, -]; - -pub fn update(mut value: u32, table: &[u32; 256], bytes: &[u8]) -> u32 { - value = !value; - for &i in bytes.iter() { - value = table[((value as u8) ^ i) as usize] ^ (value >> 8) - } - !value -} - -pub fn checksum_ieee(bytes: &[u8]) -> u32 { - return update(0, &IEEE_TABLE, bytes); -} - diff --git a/firmware/src/main.rs b/firmware/src/main.rs index cbf3679..6a007cf 100644 --- a/firmware/src/main.rs +++ b/firmware/src/main.rs @@ -6,6 +6,7 @@ extern crate cortex_m_rt; #[macro_use(interrupt)] extern crate tm4c129x; extern crate smoltcp; +extern crate crc; use core::cell::{Cell, RefCell}; use core::fmt; @@ -39,7 +40,6 @@ pub extern fn rust_begin_panic(msg: fmt::Arguments, file: &'static str, line: u3 #[macro_use] mod board; mod eeprom; -mod crc32; mod config; mod ethmac; mod pid;