Remove support for the ESP8266

CHANGELOG.md

@@ -35,12 +35,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Windows: Update RST/DTR order to avoid issues.
 
 ### Changed
+
 - Created `FlashData`, `FlashDataBuilder` and `FlashSettings` structs to reduce number of input arguments in some functions (#512, #566)
 - `espflash` will now exit with an error if `defmt` is selected but not usable (#524)
 - Unify configuration methods (#551)
 
 ### Removed
 
+- Remove support for the ESP8266 (#576)
+
 ## [2.1.0] - 2023-10-03
 
 ### Added

cargo-espflash/src/main.rs

@@ -164,7 +164,8 @@ pub struct ErasePartsArgs {
     /// Input partition table
     #[arg(long, value_name = "FILE")]
     pub partition_table: Option<PathBuf>,
-    /// Specify a (binary) package within a workspace which may provide a partition table
+    /// Specify a (binary) package within a workspace which may provide a
+    /// partition table
     #[arg(long)]
     pub package: Option<String>,
 }
@@ -244,18 +245,18 @@ pub fn erase_parts(args: ErasePartsArgs, config: &Config) -> Result<()> {
         .as_deref()
         .or(config.partition_table.as_deref());
 
-    let mut flash = connect(&args.connect_args, config, false, false)?;
+    let mut flasher = connect(&args.connect_args, config, false, false)?;
     let partition_table = match partition_table {
         Some(path) => Some(parse_partition_table(path)?),
         None => None,
     };
 
     info!("Erasing the following partitions: {:?}", args.erase_parts);
-    let chip: Chip = flash.chip();
-    erase_partitions(&mut flash, partition_table, Some(args.erase_parts), None)?;
-    flash
+
+    erase_partitions(&mut flasher, partition_table, Some(args.erase_parts), None)?;
+    flasher
         .connection()
-        .reset_after(!args.connect_args.no_stub, chip)?;
+        .reset_after(!args.connect_args.no_stub)?;
 
     Ok(())
 }

espflash/src/bin/espflash.rs

@@ -191,18 +191,18 @@ pub fn erase_parts(args: ErasePartsArgs, config: &Config) -> Result<()> {
         return Err(Error::StubRequired.into());
     }
 
-    let mut flash = connect(&args.connect_args, config, false, false)?;
+    let mut flasher = connect(&args.connect_args, config, false, false)?;
     let partition_table = match args.partition_table {
         Some(path) => Some(parse_partition_table(&path)?),
         None => None,
     };
 
     info!("Erasing the following partitions: {:?}", args.erase_parts);
-    let chip = flash.chip();
-    erase_partitions(&mut flash, partition_table, Some(args.erase_parts), None)?;
-    flash
+
+    erase_partitions(&mut flasher, partition_table, Some(args.erase_parts), None)?;
+    flasher
         .connection()
-        .reset_after(!args.connect_args.no_stub, chip)?;
+        .reset_after(!args.connect_args.no_stub)?;
 
     Ok(())
 }

espflash/src/cli/mod.rs

@@ -10,8 +10,7 @@
 //! [cargo-espflash]: https://crates.io/crates/cargo-espflash
 //! [espflash]: https://crates.io/crates/espflash
 
-use std::num::ParseIntError;
-use std::{collections::HashMap, fs, io::Write, path::PathBuf};
+use std::{collections::HashMap, fs, io::Write, num::ParseIntError, path::PathBuf};
 
 use clap::Args;
 use clap_complete::Shell;
@@ -590,11 +589,9 @@ pub fn erase_flash(args: EraseFlashArgs, config: &Config) -> Result<()> {
     let mut flash = connect(&args.connect_args, config, true, true)?;
 
     info!("Erasing Flash...");
+
     flash.erase_flash()?;
-    let chip = flash.chip();
-    flash
-        .connection()
-        .reset_after(!args.connect_args.no_stub, chip)?;
+    flash.connection().reset_after(!args.connect_args.no_stub)?;
 
     Ok(())
 }
@@ -604,17 +601,17 @@ pub fn erase_region(args: EraseRegionArgs, config: &Config) -> Result<()> {
         return Err(Error::StubRequired).into_diagnostic();
     }
 
-    let mut flash = connect(&args.connect_args, config, true, true)?;
+    let mut flasher = connect(&args.connect_args, config, true, true)?;
 
     info!(
         "Erasing region at 0x{:08x} ({} bytes)",
         args.addr, args.size
     );
-    flash.erase_region(args.addr, args.size)?;
-    let chip = flash.chip();
-    flash
+
+    flasher.erase_region(args.addr, args.size)?;
+    flasher
         .connection()
-        .reset_after(!args.connect_args.no_stub, chip)?;
+        .reset_after(!args.connect_args.no_stub)?;
 
     Ok(())
 }

espflash/src/command.rs

@@ -31,7 +31,7 @@ const SYNC_FRAME: [u8; 36] = [
 #[repr(u8)]
 pub enum CommandType {
     Unknown = 0,
-    // Commands supported by the ESP8266 & ESP32s bootloaders
+    // Commands supported by the ESP32's bootloaders
     FlashBegin = 0x02,
     FlashData = 0x03,
     FlashEnd = 0x04,
@@ -461,7 +461,7 @@ fn begin_command<W: Write>(
 
     let bytes = bytes_of(&params);
     let data = if !supports_encryption {
-        // The ESP32 and ESP8266 do not take the `encrypted` field, so truncate the last
+        // The ESP32 does not take the `encrypted` field, so truncate the last
         // 4 bytes of the slice where it resides.
         let end = bytes.len() - 4;
         &bytes[0..end]

espflash/src/connection/mod.rs

@@ -31,7 +31,6 @@ use crate::{
     connection::reset::soft_reset,
     error::{ConnectionError, Error, ResultExt, RomError, RomErrorKind},
     interface::Interface,
-    targets::Chip,
 };
 
 pub mod reset;
@@ -257,17 +256,12 @@ impl Connection {
     }
 
     // Reset the device taking into account the reset after argument
-    pub fn reset_after(&mut self, is_stub: bool, chip: Chip) -> Result<(), Error> {
+    pub fn reset_after(&mut self, is_stub: bool) -> Result<(), Error> {
         match self.after_operation {
             ResetAfterOperation::HardReset => HardReset.reset(&mut self.serial),
-            ResetAfterOperation::SoftReset => {
-                info!("Soft resetting");
-                soft_reset(self, false, is_stub, chip)?;
-                Ok(())
-            }
             ResetAfterOperation::NoReset => {
                 info!("Staying in bootloader");
-                soft_reset(self, true, is_stub, chip)?;
+                soft_reset(self, true, is_stub)?;
 
                 Ok(())
             }