M5531 Series CMSIS BSP

To experience the powerful features of M5531 series in few minutes, please select the sample code to download and execute on the NuMaker board. Open the project files to build them with Keil® MDK, IAR, NuEclipse or VSCode, and then download and trace them on the NuMaker board to see how it works.

In Extentions of Visual Studio Code, please install Nuvoton NuMicro Cortex-M Pack. It is a complete development toolkit for Nuvoton's NuMicro Cortex-M microcontrollers.

## .\Document\

• CMSIS.html
  Document of CMSIS version 6.1.0.

• NuMicro M5531 Series CMSIS BSP Driver Reference Guide.chm
  This document describes the usage of drivers in M5531 Series BSP.

• NuMicro M5531 Series CMSIS BSP Revision History.pdf
  This document shows the revision history of M5531 Series BSP.

## .\Library\

• CMSIS
  Cortex® Microcontroller Software Interface Standard (CMSIS) V6.1.0 definitions by Arm® Corp.

• Commu
  Helper functions of communication protocols, e.g., XMODEM.

• CryptoAccelerator
  Crypto accelerator source code for mbedtls.

• Device
  CMSIS compliant device header files.

• JpegAcceleratorLib
  SIMD accelerator library binary and header files for libjpeg.

• PowerDeliveryLib
  Power delivery library binary and header files for dual, source and sink role.

• SmartcardLib
  Smart card library binary and header files.

• StdDriver
  All peripheral driver header and source files.

• Storage
  Disk I/O modules for FatFs.

• UsbHostLib
  USB host library source code.

## .\Sample Code\

• CortexM55
  Cortex®-M55 sample code.

• Crypto
  Crypto sample code using Mbed TLS library.

• FreeRTOS
  Simple FreeRTOS™ demo code.

• Hard_Fault_Sample
  Show hard fault information when hard fault happened.

  The hard fault handler show some information included program counter, which is the address where the processor is executing when the hard fault occur. The listing file (or map file) can show what function and instruction that is.

  It also shows the Link Register (LR), which contains the return address of the last function call. It can show the status where CPU comes from to get to this point.

• ISP
  Sample code for In-System-Programming.

• NuMaker
  Sample code for NuMaker board.

• PowerDelivery
  Sample code for power delivery on UTCPD board.

• PowerManagement
  Sample code for power management.

• SecureApplication
  Sample code for secure application. VSCode projects require Python 3.12 at least for post-build.

• Semihost
  Show how to print and get character through IDE console window.

• StdDriver
  Sample code to demonstrate the usage of M5531 series MCU peripheral driver APIs.

• Template
  Project template for M5531 series MCU.

• TrustZone
  Demo of secure code and non-secure code.

• XOM
  Demonstrate how to create XOM library and use it.

## .\ThirdParty\

• FatFs
  An open-source FAT/exFAT file system library. A generic FAT file system module for small embedded systems.

• FreeRTOS
  Real-time operating system for microcontrollers.

• libjpeg
  A software implements JPEG baseline, extended-sequential, and progressive compression processes maintained and published by the Independent JPEG Group (IJG).

• libmad
  A MPEG audio decoder library that currently supports MPEG-1 and the MPEG-2 extension to lower sampling frequencies, as well as the de facto MPEG 2.5 format. All three audio layers — Layer I, Layer II, and Layer III (i.e., MP3) are fully implemented.

• lwIP
  A widely used open source TCP/IP stack designed for embedded systems.

• mbedtls
  Mbed TLS offers an SSL library with an intuitive API and readable source code, so you can actually understand what the code does.

• openmv
  An open-source, low-cost machine vision platform. It supports image processing functions such as face detection, key-pointes descriptions, color tracking, QR and Bar code decoding and more.

  This BSP only includes imlib (core library). Python interface is not included.

• paho.mqtt.embedded-c
  Eclipse Paho MQTT C/C++ client for Embedded platforms.

• shine
  A blazing fast MP3 encoding library implemented in fixed-point arithmetic.

## .\Tool\

• imgtool.exe
  Used to perform the operations that are necessary to manage keys and sign images.

• OTAServerDemo_v2.2.1.apk
  Secure OTA server Android APP to download firmware images with Secure OTA sample codes.

License

SPDX-License-Identifier: Apache-2.0

Copyright in some of the content available in this BSP belongs to third parties. Third parties license is specified in a file header or license file.

M5531 Series BSP files are provided under the Apache-2.0 license.