2022-05-20 13:41:24 +00:00
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use ::rocket::async_main;
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use anyhow::Result;
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use std::{path::PathBuf, time::Duration};
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use clap::Parser;
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use espflash::{elf::FirmwareImageBuilder, Chip, FlashSize, PartitionTable};
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use rocket::{response::content, State};
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#[macro_use]
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extern crate rocket;
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#[derive(Parser, Debug, Clone)]
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#[clap(author, version, about, long_about = None)]
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struct Args {
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/// chip name
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#[clap(short, long)]
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chip: Chip,
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/// path to bootloader
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#[clap(short, long)]
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bootloader: Option<PathBuf>,
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/// path to partition table csv
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#[clap(short, long)]
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partition_table: Option<PathBuf>,
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elf: PathBuf,
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}
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#[get("/bootloader.bin")]
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fn bootloader(data: &State<PartsData>) -> Vec<u8> {
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data.bootloader.clone()
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}
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#[get("/partitions.bin")]
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fn partitions(data: &State<PartsData>) -> Vec<u8> {
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data.partitions.clone()
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}
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#[get("/firmware.bin")]
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fn firmware(data: &State<PartsData>) -> Vec<u8> {
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data.firmware.clone()
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}
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#[get("/")]
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fn index() -> content::RawHtml<&'static str> {
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content::RawHtml(
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"
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2022-05-23 09:17:55 +00:00
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<html>
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<body>
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<center>
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<h1>ESP Web Flaher</h1>
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<div id=\"main\" style=\"display: none;\">
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<br>
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<script type=\"module\" src=\"https://unpkg.com/esp-web-tools@8.0.2/dist/web/install-button.js?module\">
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</script>
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<esp-web-install-button id=\"installButton\" manifest=\"manifest.json\"></esp-web-install-button>
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<br>
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<span><i>NOTE: Make sure to close anything using your devices com port (e.g. Serial monitor)</i></span>
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</div>
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<div id=\"notSupported\" style=\"display: none;\">
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Your browser does not support the Web Serial API. Try Chrome
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</div>
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</center>
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<script>
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if (navigator.serial) {
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document.getElementById(\"notSupported\").style.display = 'none';
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document.getElementById(\"main\").style.display = 'block';
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} else {
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document.getElementById(\"notSupported\").style.display = 'block';
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document.getElementById(\"main\").style.display = 'none';
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}
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</script>
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</body>
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</html>
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",
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2022-05-20 13:41:24 +00:00
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)
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}
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#[get("/manifest.json")]
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2022-05-23 09:11:14 +00:00
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fn manifest() -> content::RawJson<&'static str> {
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content::RawJson(
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2022-05-20 13:41:24 +00:00
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r#"
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2022-05-23 09:11:14 +00:00
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{
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2022-05-23 09:23:47 +00:00
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"name": "ESP Application",
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2022-05-23 09:17:55 +00:00
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"new_install_prompt_erase": true,
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"builds": [
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{
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"chipFamily": "ESP32",
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"parts": [
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{
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"path": "bootloader.bin",
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"offset": 4096
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},
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{
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"path": "partitions.bin",
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"offset": 32768
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},
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{
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"path": "firmware.bin",
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"offset": 65536
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}
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]
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},
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{
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"chipFamily": "ESP32-C3",
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"parts": [
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{
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"path": "bootloader.bin",
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"offset": 0
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},
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{
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"path": "partitions.bin",
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"offset": 32768
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},
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{
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"path": "firmware.bin",
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"offset": 65536
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}
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]
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},
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{
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"chipFamily": "ESP32-S2",
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"parts": [
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{
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"path": "bootloader.bin",
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"offset": 4096
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},
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{
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"path": "partitions.bin",
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"offset": 32768
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},
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{
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"path": "firmware.bin",
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"offset": 65536
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}
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]
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},
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{
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"chipFamily": "ESP32-S3",
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"parts": [
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{
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"path": "bootloader.bin",
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"offset": 0
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},
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{
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"path": "partitions.bin",
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"offset": 32768
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},
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{
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"path": "firmware.bin",
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"offset": 65536
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}
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]
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}
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]
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2022-05-23 09:11:14 +00:00
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}
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2022-05-23 09:17:55 +00:00
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"#,
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2022-05-23 09:11:14 +00:00
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)
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2022-05-20 13:41:24 +00:00
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}
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struct PartsData {
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chip: String,
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bootloader: Vec<u8>,
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partitions: Vec<u8>,
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firmware: Vec<u8>,
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}
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fn prepare() -> Result<PartsData> {
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let opts = Args::parse();
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let elf = std::fs::read(opts.elf)?;
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let p = if let Some(p) = &opts.partition_table {
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Some(PartitionTable::try_from_bytes(std::fs::read(p)?)?)
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} else {
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None
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};
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let b = if let Some(p) = &opts.bootloader {
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Some(std::fs::read(p)?)
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} else {
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None
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};
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let firmware = FirmwareImageBuilder::new(&elf)
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.flash_size(Some(FlashSize::Flash4Mb)) // TODO make configurable
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.build()?;
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let chip = opts.chip;
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let chip_name = match chip {
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Chip::Esp32 => "ESP32",
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Chip::Esp32c3 => "ESP32-C3",
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Chip::Esp32s2 => "ESP32-S2",
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Chip::Esp32s3 => "ESP32-S3",
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Chip::Esp8266 => "ESP8266",
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};
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let image = chip.get_flash_image(&firmware, b, p, None, None)?;
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let parts: Vec<_> = image.flash_segments().collect();
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let bootloader = &parts[0];
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let partitions = &parts[1];
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let app = &parts[2];
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Ok(PartsData {
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chip: chip_name.to_string(),
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bootloader: bootloader.data.to_vec(),
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partitions: partitions.data.to_vec(),
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firmware: app.data.to_vec(),
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})
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}
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fn main() -> Result<()> {
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let data = prepare()?;
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std::thread::spawn(|| {
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std::thread::sleep(Duration::from_millis(1000));
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opener::open_browser("http://127.0.0.1:8000/").ok();
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});
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async_main(async move {
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let _res = rocket::build()
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.mount(
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"/",
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routes![index, manifest, bootloader, partitions, firmware],
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)
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.manage(data)
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.launch()
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.await
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.expect("Problem launching server");
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});
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Ok(())
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}
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