Q2.2023 Roadmap

[tom-borcin]

Releases

Rust 1.70.0 Release

• Scheduled: 1st June 2023
• LLVM 16 based release
• espressif/llvm-project rebase on LLVM 16 by mid-May

esp-wifi

• First release in Q2.2023

esp-alloc

• New release in Q2.2023
• Release new version with support for global alloc handler on stable release channel esp-alloc#10

Areas

Items marked with exclamation marks❗❗are priorities for Q2.2023

Architecture / Refactoring

1. Unifying esp-hal into one package (instead of having esp32-hal, esp32-c3-hal,…)
   • RFC: Unify the HAL esp-hal#446

Bare metal

1. ❗Async support esp-hal❗
   • Implement the embedded-hal-async Traits once stabilized esp-hal#70
   • Implement async support for all applicable peripheral drivers esp-hal#361
2. IEEE 802.15.4
3. BLE
   • Bluetooth support for all chips esp-wifi-sys#93

CI

1. Running tests on real HW
2. Nightly runs for ESP-IDF v5.2
   • Q3.2023 candidate

Documentation

1. ❗Documentation for each peripheral driver❗
   • Document all packages and peripherals esp-hal#29
   • Tracking the overhaul and re-organization of the book book#59

espflash

1. Using parts of espflash library in esptool.js
   • https://github.com/rustwasm/wasm-pack
   • https://github.com/rustwasm/wasm-bindgen

Logging

1. Logging for esp-hal
   • Add logging to esp-hal-common esp-hal#445
   • ESP32: Wifi logs cannot be configured esp-wifi-sys#16

Low-power

1. ❗RISC-V ULP❗
   • Add support for the RISC-V ULP esp-hal#377
2. ❗Light/Deep sleep modes❗
   • Implement support for light-/deep-sleep esp-hal#375
   • Modem sleep

New Chip Support

1. ESP32-C6
   • Supported in ESP-IDF v5.1
2. ESP32-H2
   • Supported in ESP-IDF v5.1
3. ESP32-C5
   • Supported in ESP-IDF v5.2
4. ESP32-P4
   • Supported in ESP-IDF v5.2

Real Time Operating Systems. (RTOS)

1. Embassy support

Xtensa

1. Upstreaming Rust patches once LLVM patches are in experimental target
   • Tracking Issue for merging to upstream (LLVM-57) espressif/llvm-project#4
2. Tooling: lld

Other

1. Async support esp-idf-*