Hello example for LPCXpresso55S69

Simple Hello World example for NXP LPCXpresso55S69 Development Board. This example prints "Hello World" and a counter value via the standard output which is routed to the debug console through Virtual COM port.

Prerequisites

Tools:

• CMSIS-Toolbox v2.0.0 or newer
• Microsoft Visual Studio Code with Keil Studio Pack extension (optional, alternatively CLI can be used)
• Arm Compiler 6 (automatically installed when using Visual Studio Code with vcpkg)

DAPLink FW

To be recognized correctly by the Device Manager extension in VS Code, you need to replace the original LPC-Link2 firmware with a DAPLink firmware. Please follow the instructions on Updating LPCXpresso firmware.

Build Solution/Project

Using Visual Studio Code with extensions

Required tools described in file 'vcpkg-configuration.json' should be automatically installed by vcpkg. You can see the status of vcpkg in the status bar.

Required CMSIS packs need to be also installed. In case a required pack is missing, a notification window will pop-up to install the missing pack.

Open the 'CMSIS' view from the side bar, select desired 'Build Type' and press the 'Build' button.

Using Command Line Interface (CLI)

Download required packs (not required when the packs are already available) by executing the following commands:

csolution list packs -s hello.csolution.yml -m >packs.txt
cpackget update-index
cpackget add -f packs.txt

Build the project by executing the following command:

cbuild hello.csolution.yml

Run the application

Using Visual Studio Code with extensions

• Connect the board's DAPLink USB to the PC (provides also power).
• Open the 'CMSIS' view from the side bar:
  • Press the 'Run' button and wait until the image is programmed and starts running.
  • Press the 'Open Serial' button and select the board's serial port with 115200 baud rate.
• Observe the terminal output.

Using external programmer and terminal

• Connect the board's DAPLink USB to the PC (provides also power).
• Program the image (.axf) using an external programmer.
• Open terminal on the PC and connect to the board's serial port with 115200 baud rate.
• Observe the terminal output.

Debug the application

Using Visual Studio Code with extensions

Open the 'CMSIS' view from the side bar and press the 'Debug' button.