Shell Solution on NXP LPC55S1x Series

PublishTime：2021-09-24

Introduction:
●The LPC55S1x/LPC551x is an Arm Cortex®-M33-based microcontroller for embedded applications. These devices include up to 96 KB of on-chip SRAM, up to 256 KB on-chip flash, high-speed, and full-speed USB host and device interface with crystal-less operation for full-speed, one CAN-FD controller, five general-purpose timers, one SCTimer/PWM, one RTC/alarm timer, one 24-bit Multi-Rate Timer (MRT), a Windowed Watchdog Timer (WWDT), eight flexible serial communication peripherals (each of which can be a USART, SPI, I2C, or I2S interface), one 16-bit 1.0 Msps ADC, temperature sensor. The Arm Cortex®- M33 provides a security foundation, offering isolation to protect valuable IP and data with TrustZone® technology.
●In embedded systems application, a shell function is helpful to output log information and easy debug some standalone function API. Natural Tiny Shell(NT-Shell) is written by Shinichiro Nakamura, it is a C library for embedded systems, provides VT100 compatible terminal control feature, and needs only serial read/write functions for the porting.
●This application note describes how to integrate NT-Shell files on the NXP LPC5500 with SDK and how to use the shell function. NT-Shell uses the USART0 to print information and get command from terminal. We have also added control the led toggle status command based on the basic NT-Shell demonstration.
●The sample software is tested on LPC55S16-EVK evaluation board. Software is available for three IDE's/toolchains:
■MCUXpresso
■Keil μVision
■IAR EWARM

Brand of Product：	NXP
Part#：	LPC55S1x 、 LPC551x 、 LPC55S1x Series 、 LPC5500 More Part#
Product Category：	microcontroller More
Application：	[ embedded applications ] More
Data Type：	Application note & Design Guide More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	20 February 2020
Version Number：	Rev. 0
Data Encoding：	AN12746
Data Size：	4.5 MB

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