This video is the first demo video made for the support package. It shows a set of core features supported, including digital I/O, ADC input, PWM generation and console print.
This video demonstrate the ability to perform close-loop DC motor control using the Launchpad and support package. A SPI device (LS7366R) is used for interfacing with quadrature encoder. Off-the-shelf H-bridge motor driver board is used to drive the motor from the PWM signal generated by Stellaris launchpad.
UPDATE: a updated description about IR Remote Decoder demo can be found here.
This demo shows how to decode information from IR remote. Signal emitted from IR remote signal is usually modulated to give better performance. A typical frequency range is around 38KHz. A IR demodulator/receiver is a IR sensor with frequency shift circuit in one package (e.g. this product). The output from demodulator is base-band signal. Format of base-band signal depends on the remote being used.Â
In this demo, IR remote for iRobot Roomba cleaning robot is used. The data format of the base-band signal is assumed to use pulse length coding described in this document. To use this demo an IR demodulator compatible (38KHz) to the IR remoter should be connect to the PF4 port. In the video, I use the IR demodulator from a IR remote micro helicopter.
Stateflow diagram is drawn to form the logic for decoding the base-band signal. Demo files can be downloaded here. File name with TCL and DYNEX suffix are for two remotes of a TCL TV and a DYNEX Blu-ray player, respectively.