Merge pull request #474 from tim-seoss/rp235x-add-refs

Update Rapberry Pi Pico and RP235x related links

Author: berkus

README.md

@@ -271,6 +271,7 @@ Peripheral Access Crates were also called Device Crates.
 ### Raspberry Pi Silicon
 
 - [`rp2040-pac`](https://crates.io/crates/rp2040-pac) - Peripheral access API for the RP2040 dual-core system-on-chip (generated using svd2rust) - [![crates.io](https://img.shields.io/crates/v/rp2040-pac.svg)](https://crates.io/crates/rp2040-pac)
+- [`rp235x-pac`](https://crates.io/crates/rp235x-pac) - Peripheral access API for the RP2350 family of dual-core microcontrollers - [![crates.io](https://img.shields.io/crates/v/rp235x-pac.svg)](https://crates.io/crates/rp235x-pac)
 
 ### SiFive
 
@@ -453,6 +454,7 @@ Also check the list of [NXP board support crates][nxp-bsc]!
 ### Raspberry Pi Silicon
 
 - [`rp2040-hal`](https://crates.io/crates/rp2040-hal) - HAL for the RP2040 dual-core system-on-chip - [![crates.io](https://img.shields.io/crates/v/rp2040-hal.svg)](https://crates.io/crates/rp2040-hal)
+- [`rp235x-hal`](https://crates.io/crates/rp235x-hal) - HAL for the RP2350 family of dual-core microcontrollers (used in the Raspberry Pi Pico 2 etc.) - [![crates.io](https://img.shields.io/crates/v/rp235x-hal.svg)](https://crates.io/crates/rp235x-hal)
 
 ### SiFive
 
@@ -597,11 +599,11 @@ Crates tailored for specific boards.
 - [`neokey_trinkey`](https://crates.io/crates/neokey_trinkey) - Board support for the [neokey trinkey board] in the [atsamd-rs] repo. It is an [atsamd-rs tier 2 support] board. [![crates.io](https://img.shields.io/crates/v/neokey_trinkey.svg)](https://crates.io/crates/neokey_trinkey)
 - [`grand_central_m4`](https://crates.io/crates/grand_central_m4) - Board support for the [grand central m4 board] in the [atsamd-rs] repo. It is an [atsamd-rs tier 2 support] board. [![crates.io](https://img.shields.io/crates/v/grand_central_m4.svg)](https://crates.io/crates/grand_central_m4)
 - [`qt_py_m0`](https://crates.io/crates/qt_py_m0) - Board support for the [QT Py board] in the [atsamd-rs] repo. It is an [atsamd-rs tier 2 support] board. [![crates.io](https://img.shields.io/crates/v/qt_py_m0.svg)](https://crates.io/crates/qt_py_m0)
-- [`adafruit-feather-rp2040`](https://github.com/rp-rs/rp-hal) - Board Support Crate for the [Adafruit Feather RP2040] [![crates.io](https://img.shields.io/crates/v/adafruit-feather-rp2040.svg)](https://crates.io/crates/adafruit-feather-rp2040)
-- [`adafruit-itsy-bitsy-rp2040`](https://github.com/rp-rs/rp-hal) - Board Support Crate for the [Adafruit ItsyBitsy RP2040] [![crates.io](https://img.shields.io/crates/v/adafruit-itsy-bitsy-rp2040.svg)](https://crates.io/crates/adafruit-itsy-bitsy-rp2040)
-- [`adafruit-kb2040`](https://github.com/rp-rs/rp-hal) - Board Support Crate for the [Adafruit KB2040] [![crates.io](https://img.shields.io/crates/v/adafruit-kb2040.svg)](https://crates.io/crates/adafruit-kb2040)
-- [`adafruit-macropad`](https://github.com/rp-rs/rp-hal) - Board Support Crate for the [Adafruit Macropad] [![crates.io](https://img.shields.io/crates/v/adafruit-macropad.svg)](https://crates.io/crates/adafruit-macropad)
-- [`adafruit-qt-py-rp2040`](https://github.com/rp-rs/rp-hal) - Board Support Crate for the [Adafruit QT Py RP2040] [![crates.io](https://img.shields.io/crates/v/adafruit-qt-py-rp2040.svg)](https://crates.io/crates/adafruit-qt-py-rp2040)
+- [`adafruit-feather-rp2040`](https://github.com/rp-rs/rp-hal-boards) - Board Support Crate for the [Adafruit Feather RP2040] [![crates.io](https://img.shields.io/crates/v/adafruit-feather-rp2040.svg)](https://crates.io/crates/adafruit-feather-rp2040)
+- [`adafruit-itsy-bitsy-rp2040`](https://github.com/rp-rs/rp-hal-boards) - Board Support Crate for the [Adafruit ItsyBitsy RP2040] [![crates.io](https://img.shields.io/crates/v/adafruit-itsy-bitsy-rp2040.svg)](https://crates.io/crates/adafruit-itsy-bitsy-rp2040)
+- [`adafruit-kb2040`](https://github.com/rp-rs/rp-hal-boards) - Board Support Crate for the [Adafruit KB2040] [![crates.io](https://img.shields.io/crates/v/adafruit-kb2040.svg)](https://crates.io/crates/adafruit-kb2040)
+- [`adafruit-macropad`](https://github.com/rp-rs/rp-hal-boards) - Board Support Crate for the [Adafruit Macropad] [![crates.io](https://img.shields.io/crates/v/adafruit-macropad.svg)](https://crates.io/crates/adafruit-macropad)
+- [`adafruit-qt-py-rp2040`](https://github.com/rp-rs/rp-hal-boards) - Board Support Crate for the [Adafruit QT Py RP2040] [![crates.io](https://img.shields.io/crates/v/adafruit-qt-py-rp2040.svg)](https://crates.io/crates/adafruit-qt-py-rp2040)
 
 [Metro M0 board]: https://www.adafruit.com/product/3505
 [Metro M4 board]: https://www.adafruit.com/product/3382
@@ -655,20 +657,24 @@ Crates tailored for specific boards.
 
 ### Pimoroni
 
-- [`pimoroni-pico-explorer`](https://github.com/rp-rs/rp-hal) - Board Support for the [Pimoroni Pico Explorer]
-- [`pimoroni-pico-lipo-16mb`](https://github.com/rp-rs/rp-hal) - Board Support for the [Pimoroni Pico Lipo 16MB]
+- [`pimoroni-pico-explorer`](https://github.com/rp-rs/rp-hal-boards) - Board Support for the [Pimoroni Pico Explorer]
+- [`pimoroni-pico-lipo-16mb`](https://github.com/rp-rs/rp-hal-boards) - Board Support for the [Pimoroni Pico Lipo 16MB]
 
 [Pimoroni Pico Explorer]: https://shop.pimoroni.com/products/pico-explorer-base
 [Pimoroni Pico Lipo 16MB]: https://shop.pimoroni.com/products/pimoroni-pico-lipo?variant=39335427080275
 
+For unlisted Pimoroni microcontroller boards, check [this up-to-date list](https://github.com/rp-rs/rp-hal-boards/blob/main/README.md#packages).
+
 ### Raspberry Pi
 
-- [`rp-pico`](https://github.com/rp-rs/rp-hal) - Board Support Crate for the RP2040-based Raspberry Pi Pico.
+- [`rp-pico`](https://github.com/rp-rs/rp-hal-boards) - Board Support Crate for the RP2040-based Raspberry Pi Pico.
+
+The same repository includes support for numerous other development boards which use Raspberry Pi microcontrollers.  A full list can be found [in the repository documentation](https://github.com/rp-rs/rp-hal-boards/blob/main/README.md#packages).
 
 ### Sparkfun
 
 - [`samd21_mini`](https://crates.io/crates/samd21_mini) - Board support for the [SAMD21 Mini Breakout](https://www.sparkfun.com/products/13664) in the [atsamd-rs] repo. It is an [atsamd-rs tier 2 support] board. [![crates.io](https://img.shields.io/crates/v/samd21_mini.svg)](https://crates.io/crates/samd21_mini)
-- [`sparkfun-pro-micro-rp2040`](https://github.com/rp-rs/rp-hal) - Board Support Crate for the RP2040 based Sparkfun Pro Micro.
+- [`sparkfun-pro-micro-rp2040`](https://github.com/rp-rs/rp-hal-boards) - Board Support Crate for the RP2040 based Sparkfun Pro Micro.
 
 ### SeeedStudio