Embedded Update

As Suraj & Nipun told you about Linux and Ground Station. it's time to know something about the Embedded Work.
From the beginning of this project i and Sahil were working on the PIC18f 4431 microcontroller , well you can include Chak also because he is part of each work and he is always available to give his advice on our work any time. Now i would like to tell you the reason behind selecting PIC18f 4431 for our project. We inherited all the stuffs( microcontrollers, MPLAB ICD2 Programmer, software, ICD2 board, etc) required for working on PIC microcontroller. As UAV team used this microcontroller.
But we didn't have PIC Development Board so we needed to do a lot of 'JUGAAD' for programming the microcontroller. ICD2 Board which we had,was a board with some grounding problem so it was a nightmare to work with this board because sometimes it gave wrong reading. But finally after a great effort we were able to flash LED, generate PWM wave,carry out analog to digital conversion. Although Serial Communication was not successful but we succeed in moving the servo moter at any angle.
After some time we came to know that PIC18f 4431 does not support the serial communication. So we had to change the microcontroller.
Finally we decided to work on ATMEL atmega128 microcontroller. The reason behind the selection of this is that we get a source of help for learning this microcontroller . And now i would like to tell you that it support the serial communication. We are working on this. Currently we have been able to carry out a to d conversion, PWM generation, Serial Communication & SPI.

RAGHVENDRA