413 lines
12 KiB
Rust
413 lines
12 KiB
Rust
use ectool::{
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Access,
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AccessLpcLinux,
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Ec,
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Error,
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Firmware,
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StdTimeout,
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Spi,
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SpiRom,
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SpiTarget,
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};
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use std::{
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env,
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fs,
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process,
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str::{self, FromStr},
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time::Duration,
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thread,
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};
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unsafe fn ec() -> Result<Ec<AccessLpcLinux>, Error> {
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let access = AccessLpcLinux::new(Duration::new(1, 0))?;
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Ec::new(access)
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}
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unsafe fn console() -> Result<(), Error> {
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//TODO: driver support for reading debug region?
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let mut ec = ec()?;
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let access = ec.access();
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let mut head = access.read_debug(0)? as usize;
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loop {
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let tail = access.read_debug(0)? as usize;
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if tail == 0 || head == tail {
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thread::sleep(Duration::from_millis(1));
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} else {
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while head != tail {
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head += 1;
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if head >= 256 { head = 1; }
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let c = access.read_debug(head as u8)?;
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print!("{}", c as char);
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}
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}
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}
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}
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unsafe fn flash_read<S: Spi>(spi: &mut SpiRom<S, StdTimeout>, rom: &mut [u8], sector_size: usize) -> Result<(), Error> {
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let mut address = 0;
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while address < rom.len() {
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eprint!("\rSPI Read {}K", address / 1024);
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let next_address = address + sector_size;
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let count = spi.read_at(address as u32, &mut rom[address..next_address])?;
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if count != sector_size {
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eprintln!("\ncount {} did not match sector size {}", count, sector_size);
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return Err(Error::Verify);
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}
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address = next_address;
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}
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eprintln!("\rSPI Read {}K", address / 1024);
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Ok(())
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}
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unsafe fn flash_inner(ec: &mut Ec<AccessLpcLinux>, firmware: &Firmware, target: SpiTarget, scratch: bool) -> Result<(), Error> {
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let rom_size = 128 * 1024;
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let mut new_rom = firmware.data.to_vec();
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while new_rom.len() < rom_size {
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new_rom.push(0xFF);
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}
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let mut spi_bus = ec.spi(target, scratch)?;
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let mut spi = SpiRom::new(
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&mut spi_bus,
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StdTimeout::new(Duration::new(1, 0))
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);
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let sector_size = spi.sector_size();
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let mut rom = vec![0xFF; rom_size];
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flash_read(&mut spi, &mut rom, sector_size)?;
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eprintln!("Saving ROM to backup.rom");
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fs::write("backup.rom", &rom).map_err(|_| Error::Verify)?;
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// Program chip, sector by sector
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//TODO: write signature last
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{
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let mut address = 0;
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while address < rom_size {
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eprint!("\rSPI Write {}K", address / 1024);
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let next_address = address + sector_size;
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let mut matches = true;
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let mut erased = true;
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let mut new_erased = true;
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for i in address..next_address {
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if rom[i] != new_rom[i] {
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matches = false;
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}
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if rom[i] != 0xFF {
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erased = false;
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}
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if new_rom[i] != 0xFF {
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new_erased = false;
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}
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}
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if ! matches {
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if ! erased {
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spi.erase_sector(address as u32)?;
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}
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if ! new_erased {
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let count = spi.write_at(address as u32, &new_rom[address..next_address])?;
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if count != sector_size {
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eprintln!("\nWrite count {} did not match sector size {}", count, sector_size);
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return Err(Error::Verify);
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}
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}
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}
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address = next_address;
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}
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eprintln!("\rSPI Write {}K", address / 1024);
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// Verify chip write
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flash_read(&mut spi, &mut rom, sector_size)?;
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for i in 0..rom.len() {
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if rom[i] != new_rom[i] {
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eprintln!("Failed to program: {:X} is {:X} instead of {:X}", i, rom[i], new_rom[i]);
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return Err(Error::Verify);
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}
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}
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}
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eprintln!("Successfully programmed SPI ROM");
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Ok(())
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}
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unsafe fn flash(path: &str, target: SpiTarget) -> Result<(), Error> {
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let scratch = true;
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//TODO: remove unwraps
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let firmware_data = fs::read(path).unwrap();
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let firmware = Firmware::new(&firmware_data).unwrap();
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println!("file board: {:?}", str::from_utf8(firmware.board));
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println!("file version: {:?}", str::from_utf8(firmware.version));
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let mut ec = ec()?;
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let data_size = ec.access().data_size();
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{
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let mut data = vec![0; data_size];
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let size = ec.board(&mut data)?;
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let ec_board = &data[..size];
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println!("ec board: {:?}", str::from_utf8(ec_board));
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if ec_board != firmware.board {
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panic!("file board does not match ec board");
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}
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}
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{
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let mut data = vec![0; data_size];
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let size = ec.version(&mut data)?;
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let ec_version = &data[..size];
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println!("ec version: {:?}", str::from_utf8(ec_version));
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}
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if scratch {
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// Wait for any key releases
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eprintln!("Waiting 5 seconds for all keys to be released");
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thread::sleep(Duration::new(5, 0));
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}
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eprintln!("Sync");
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let _ = process::Command::new("sync").status();
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let res = flash_inner(&mut ec, &firmware, target, scratch);
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eprintln!("Result: {:X?}", res);
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eprintln!("Sync");
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let _ = process::Command::new("sync").status();
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if scratch {
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eprintln!("System will shut off in 5 seconds");
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thread::sleep(Duration::new(5, 0));
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eprintln!("Sync");
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let _ = process::Command::new("sync").status();
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ec.reset()?;
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}
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res
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}
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unsafe fn info() -> Result<(), Error> {
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let mut ec = ec()?;
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let data_size = ec.access().data_size();
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{
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print!("board: ");
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let mut data = vec![0; data_size];
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let size = ec.board(&mut data)?;
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for &b in data[..size].iter() {
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print!("{}", b as char);
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}
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println!();
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}
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{
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print!("version: ");
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let mut data = vec![0; data_size];
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let size = ec.version(&mut data)?;
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for &b in data[..size].iter() {
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print!("{}", b as char);
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}
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println!();
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}
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Ok(())
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}
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unsafe fn print(message: &[u8]) -> Result<(), Error> {
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let mut ec = ec()?;
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ec.print(message)?;
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Ok(())
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}
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unsafe fn fan_get(index: u8) -> Result<(), Error> {
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let mut ec = ec()?;
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let duty = ec.fan_get(index)?;
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println!("{}", duty);
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Ok(())
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}
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unsafe fn fan_set(index: u8, duty: u8) -> Result<(), Error> {
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let mut ec = ec()?;
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ec.fan_set(index, duty)
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}
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unsafe fn keymap_get(layer: u8, output: u8, input: u8) -> Result<(), Error> {
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let mut ec = ec()?;
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let value = ec.keymap_get(layer, output, input)?;
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println!("{:04X}", value);
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Ok(())
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}
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unsafe fn keymap_set(layer: u8, output: u8, input: u8, value: u16) -> Result<(), Error> {
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let mut ec = ec()?;
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ec.keymap_set(layer, output, input, value)
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}
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fn usage() {
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eprintln!(" console");
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eprintln!(" flash [file]");
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eprintln!(" flash_backup [file]");
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eprintln!(" fan [index] <duty>");
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eprintln!(" info");
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eprintln!(" keymap [layer] [output] [input] <value>");
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eprintln!(" print [message]");
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}
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fn parse_arg_opt<I: Iterator<Item=String>, F: FromStr>(args: &mut I, name: &str) -> Option<F> {
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match args.next() {
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Some(arg) => match arg.parse::<F>() {
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Ok(ok) => Some(ok),
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Err(_err) => {
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eprintln!("failed to parse {}: '{}'", name, arg);
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process::exit(1);
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},
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},
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None => None,
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}
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}
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fn parse_arg<I: Iterator<Item=String>, F: FromStr>(args: &mut I, name: &str) -> F {
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match parse_arg_opt(args, name) {
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Some(some) => some,
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None => {
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eprintln!("no {} provided", name);
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process::exit(1);
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}
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}
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}
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fn main() {
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let mut args = env::args().skip(1);
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match args.next() {
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Some(arg) => match arg.as_str() {
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"console" => match unsafe { console() } {
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Ok(()) => (),
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Err(err) => {
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eprintln!("failed to read console: {:X?}", err);
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process::exit(1);
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},
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},
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"fan" => {
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let index = parse_arg(&mut args, "index");
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let duty_opt = parse_arg_opt(&mut args, "duty");
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match duty_opt {
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Some(duty) => match unsafe { fan_set(index, duty) } {
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Ok(()) => (),
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Err(err) => {
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eprintln!("failed to set fan {} to {}: {:X?}", index, duty, err);
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process::exit(1);
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},
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},
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None => match unsafe { fan_get(index) } {
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Ok(()) => (),
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Err(err) => {
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eprintln!("failed to get fan {}: {:X?}", index, err);
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process::exit(1);
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},
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},
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}
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},
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"flash" => match args.next() {
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Some(path) => match unsafe { flash(&path, SpiTarget::Main) } {
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Ok(()) => (),
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Err(err) => {
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eprintln!("failed to flash '{}': {:X?}", path, err);
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process::exit(1);
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},
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},
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None => {
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eprintln!("no file provided");
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process::exit(1);
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}
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},
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"flash_backup" => match args.next() {
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Some(path) => match unsafe { flash(&path, SpiTarget::Backup) } {
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Ok(()) => (),
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Err(err) => {
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eprintln!("failed to flash '{}': {:X?}", path, err);
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process::exit(1);
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},
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},
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None => {
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eprintln!("no file provided");
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process::exit(1);
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}
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},
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"info" => match unsafe { info() } {
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Ok(()) => (),
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Err(err) => {
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eprintln!("failed to read info: {:X?}", err);
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process::exit(1);
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},
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},
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"keymap" => {
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let layer = parse_arg(&mut args, "layer");
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let output = parse_arg(&mut args, "output");
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let input = parse_arg(&mut args, "input");
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match args.next() {
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Some(value_str) => match u16::from_str_radix(value_str.trim_start_matches("0x"), 16) {
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Ok(value) => match unsafe { keymap_set(layer, output, input, value) } {
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Ok(()) => (),
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Err(err) => {
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eprintln!("failed to set keymap {}, {}, {} to {}: {:X?}", layer, output, input, value, err);
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process::exit(1);
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},
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},
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Err(err) => {
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eprintln!("failed to parse value: '{}': {}", arg, err);
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process::exit(1);
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}
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},
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None => match unsafe { keymap_get(layer, output, input) } {
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Ok(()) => (),
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Err(err) => {
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eprintln!("failed to get keymap {}, {}, {}: {:X?}", layer, output, input, err);
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process::exit(1);
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},
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},
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}
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},
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"print" => for mut arg in args {
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arg.push('\n');
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match unsafe { print(&arg.as_bytes()) } {
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Ok(()) => (),
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Err(err) => {
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eprintln!("failed to print '{}': {:X?}", arg, err);
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process::exit(1);
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},
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}
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},
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_ => {
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eprintln!("unknown subcommand '{}'", arg);
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usage();
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process::exit(1);
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},
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},
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None => {
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eprintln!("no subcommand provided");
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usage();
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process::exit(1);
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},
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}
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}
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