Merge #412

412: Update Espressif content r=eldruin a=SergioGasquez



Co-authored-by: Sergio Gasquez <sergio.gasquez@gmail.com>

README.md

@@ -143,7 +143,7 @@ In 2018 the Rust community created an embedded working group to help drive adopt
 -   [Building a sailing starter board with Rust (RTIC)](https://gill.net.in/posts/stm32-pcb-sailing-and-rust/) A step by step story/guide to build STM32 based PCB and program it with rust for fun and games.
 -   [STM32F4xx with Embedded Rust at the HAL](https://apollolabsblog.hashnode.dev/series/stm32f4-embedded-rust-hal) A blog containing a series of tutorials demonstrating the use of several peripherals through simple examples leveraging the stm32f4xx-hal crate.
 -   [Embedded Rust programming playlist](https://www.youtube.com/playlist?list=PLP_X41VhYn5X6Wwjnm0bRwI3n2pdaszxU) Various livestreams with Embedded Rust live coding
--   [ESP32-C3 Rust Tutorials](https://youtube.com/playlist?list=PLkch9g9DEE0Lkm1LqcD7pZNDmXEczOo-a) Short videos and [Github project](https://github.com/shanemmattner/ESP32-C3_Rust_Tutorials) implementing various peripherals of the ESP32-C3 with the end goal of creating a complete data logger application. 
+-   [ESP32-C3 Rust Tutorials](https://youtube.com/playlist?list=PLkch9g9DEE0Lkm1LqcD7pZNDmXEczOo-a) Short videos and [Github project](https://github.com/shanemmattner/ESP32-C3_Rust_Tutorials) implementing various peripherals of the ESP32-C3 with the end goal of creating a complete data logger application.
 [Ferrous Systems]: https://ferrous-systems.com
 
 ## Tools
@@ -163,6 +163,8 @@ In 2018 the Rust community created an embedded working group to help drive adopt
 -   [cargo-bloat](https://github.com/RazrFalcon/cargo-bloat) Find out what takes most of the space in your executable.
 -   [cargo-call-stack](https://crates.io/crates/cargo-call-stack) Static, whole program stack usage analyzer.
 -   [cargo-dfu](https://crates.io/crates/cargo-dfu) Cargo extension for flashing embedded rust programs via DFU.
+-   [espflash](https://github.com/esp-rs/espflash) Serial flasher utility for Espressif SoCs and modules. - ![crates.io](https://img.shields.io/crates/v/espflash.svg)
+-   [espup](https://github.com/esp-rs/espup) Tool for installing and maintaining Espressif Rust ecosystem. - ![crates.io](https://img.shields.io/crates/v/espup.svg)
 -   [uf2](https://github.com/sajattack/uf2conv-rs) Converts binary files to Microsoft's UF2 format for copying over to mass storage device uf2 bootloaders - ![crates.io](https://img.shields.io/crates/v/uf2.svg)
 -   [Knurling Tools](https://knurling.ferrous-systems.com/tools/) are developed by [Ferrous Systems] to ease the development process for building, debugging, and testing embedded Rust systems. These tools include:
     - [Probe Run](https://github.com/knurling-rs/probe-run): a cargo runner to flash and run embedded applications just like you would native applications, including backtraces and panicking behavior
@@ -302,7 +304,9 @@ The [`stm32-rs`](https://github.com/stm32-rs/stm32-rs) project has peripheral ac
 ### Espressif
 
 - [`esp32`](https://github.com/esp-rs/esp-pacs/tree/main/esp32) - ![crates.io](https://img.shields.io/crates/v/esp32.svg)
+- [`esp32c2`](https://github.com/esp-rs/esp-pacs/tree/main/esp32c2) - ![crates.io](https://img.shields.io/crates/v/esp32c2.svg)
 - [`esp32c3`](https://github.com/esp-rs/esp-pacs/tree/main/esp32c3) - ![crates.io](https://img.shields.io/crates/v/esp32c3.svg)
+- [`esp32c3`](https://github.com/esp-rs/esp-pacs/tree/main/esp32c6) - ![crates.io](https://img.shields.io/crates/v/esp32c6.svg)
 - [`esp32s2`](https://github.com/esp-rs/esp-pacs/tree/main/esp32s2) - ![crates.io](https://img.shields.io/crates/v/esp32s2.svg)
 - [`esp32s3`](https://github.com/esp-rs/esp-pacs/tree/main/esp32s3) - ![crates.io](https://img.shields.io/crates/v/esp32s3.svg)
 - [`esp8266`](https://github.com/esp-rs/esp-pacs/tree/main/esp8266) - ![crates.io](https://img.shields.io/crates/v/esp8266.svg)
@@ -470,12 +474,10 @@ Also check the list of [STMicroelectronics board support crates][stm-bsc]!
 
 ### Espressif
 
-- [`rust-xtensa`](https://github.com/MabezDev/rust-xtensa)
-  - rust fork enables projects to be built for the ESP32 and ESP8266. ([quick start repo](https://github.com/MabezDev/xtensa-rust-quickstart)).
 - [`esp-idf-hal`](https://github.com/esp-rs/esp-idf-hal)
-  - An embedded-hal implementation for ESP32[-XX] + ESP-IDF
+  - An embedded-hal implementation for Rust on ESP32 microcontrollers and ESP-IDF
 - [`esp-hal`](https://github.com/esp-rs/esp-hal)
-  - An _extremely experimental_ attempt at writing a HAL which targets the ESP32, ESP32-C3, ESP32-S2, and ESP32-S3.
+  - A `no_std` Hardware Abstraction Layers for ESP32 microcontrollers
 
 
 ### Silicon Labs