HBBR Basic

1. Developing native applications for LEGO® MINDSTORMS® NXT

LEGO® MINDSTORMS® robotics set is a full featured embedded platform based on Atmel AT91SAM256 microcontroller. This tutorial will show how to develop native applications with HBBR Basic v2.000 for the NXT programmable brick. Native applications...

Monday, 02 June 2008 | 1008 hits | Print | PDF |  E-mail | Report | Read more

2. Part 1: Boot the Brick!

Part 1 of Developing native applications for LEGO® MINDSTORMS® NXT Let's start by reviewing what happens when the NXT brick is turned on. By pressing the middle button the ATMEGA48 CPU (it is always on!) is signaled to turn on the power to the...

Friday, 06 June 2008 | 443 hits | Print | PDF |  E-mail | Report | Read more

3. Part 2: How to make a sound

When developing for a deeply embedded system it is very important to find some kind of a simple debugging mechanism that is available in the system. It can be visual or audible but should be something that does not depend on any external hardware...

Monday, 09 June 2008 | 544 hits | Print | PDF |  E-mail | Report | Read more

4. Part3: Beeping brick analysis

Sound analysis To generate sound ARM MCU toggles PA17 high and low, this digital signal drives power amplifier and is then fed into a loudspeaker. Captured sound wave shown below corresponds to this signal. As can been seen from the analysis the...

Thursday, 12 June 2008 | 609 hits | Print | PDF |  E-mail | Report | Read more