Merge #355

355: add crates.io links to PIC32; add fixed-fft r=eldruin a=kiffie



Co-authored-by: Stephan <kiffie@users.noreply.github.com>

README.md

@@ -191,7 +191,7 @@ Peripheral Access Crates were also called Device Crates.
 - [`atsame54`](https://github.com/atsamd-rs/atsamd) Peripheral access API for Microchip (formerly Atmel) SAME54 microcontrollers.  This git repo hosts both the peripheral access crate and the hal.
 - [`avr-device`](https://github.com/Rahix/avr-device) Peripheral access API for Microchip (formerly Atmel) AVR microcontroller family.
 - [`sam3x8e`](https://crates.io/crates/sam3x8e) Peripheral access API for Atmel SAMD3X8E microcontrollers (generated using svd2rust)  - ![crates.io](https://img.shields.io/crates/v/sam3x8e.svg)
-- [`pic32-pac`](https://github.com/kiffie/pic32-pac) Peripheral access API for PIC32MX1xx, PIC32MX2xx, PIC32MX274 XLP
+- [`pic32-pac`](https://crates.io/crates/pic32mx2xx) Peripheral access API for PIC32MX1/2xx - ![crates.io](https://img.shields.io/crates/v/pic32mx2xx)
 
 ### Nordic
 
@@ -313,7 +313,7 @@ Implementations of [`embedded-hal`] for microcontroller families and systems run
 - [`atsam4-hal`](https://crates.io/crates/atsam4-hal) - HAL for SAM4E, SAM4N and SAM4S - ![crates.io](https://img.shields.io/crates/v/atsam4-hal.svg)
 - [`atsamd-hal`](https://crates.io/crates/atsamd-hal) - HAL for SAMD11, SAMD21, SAMD51 and SAME54 - ![crates.io](https://img.shields.io/crates/v/atsamd-hal.svg)
 - [`avr-hal`](https://github.com/Rahix/avr-hal) - HAL for AVR microcontroller family and AVR-based boards
-- [`pic32-hal`](https://github.com/kiffie/pic32-rs) - HAL for PIC32MX
+- [`pic32-hal`](https://crates.io/crates/pic32-hal) - HAL for PIC32MX - ![crates.io](https://img.shields.io/crates/v/pic32-hal.svg)
 
 ### Nordic
 
@@ -1018,6 +1018,7 @@ Work in progress drivers. Help the authors make these crates awesome!
 1. [embedded-crc-macros](https://crates.io/crates/embedded-crc-macros): Macros implementing portable CRC algorithms and build-time lookup table generation. ![crates.io](https://img.shields.io/crates/v/embedded-crc-macros.svg)
 1. [embedded-websocket](https://crates.io/crates/embedded-websocket): A lightweight server and client websocket library for embedded systems. ![crates.io](https://img.shields.io/crates/v/embedded-websocket.svg)
 1. [endian_codec]: (En/De)code rust types as packed bytes with specific order (endian). Supports derive. - [![crates.io](https://img.shields.io/crates/v/endian_codec.svg)](https://crates.io/crates/endian_codec)
+1. [fixed-fft](https://crates.io/crates/fixed-fft): Fixed-point Fast Fourier Transform - [![Crates.io](https://img.shields.io/crates/v/fixed-fft.svg)](https://crates.io/crates/fixed-fft)
 1. [gcode](https://github.com/Michael-F-Bryan/gcode-rs): A gcode parser for no-std applications - [![crates.io](https://img.shields.io/crates/v/gcode.svg)](https://crates.io/crates/gcode)
 1. [gdbstub](https://crates.io/crates/gdbstub): zero-allocation, pure Rust implementation of the GDB Remote Serial Protocol - [![crates.io](https://img.shields.io/crates/v/gdbstub.svg)](https://crates.io/crates/gdbstub)
 1. [heapless](https://crates.io/crates/heapless): provides `Vec`, `String`, `LinearMap`, `RingBuffer` backed by fixed-size buffers  - ![crates.io](https://img.shields.io/crates/v/heapless.svg)