This week I was working on flash erase, write and read. Previously I used the NVM driver to access the flash. The erase size for flash is fixed to a page, which varies based on the device. The write size, however, can vary between a row, a quad-word and a Read more…
This week started off with me panicking when I could not find my saved files and codes. I asked Dr. Shawn about it and he fixed it rightaway so I was able to access everything again. Turns out, it was because of a black out which affected our server. Then, Read more…
Dr. Shawn would always remind me not to be consumed or lost in the programming language while learning Verilog as it describes the schematic in designing chips and must be approached as such. Treating it like a normal programming language will not be the right way to study Verilogs. This Read more…
This week I started on integrating the code and finalizing all the functions so that later on I can include them as libraries in my code. I also worked on writing the bit stream on the flash which will be done using a PUT command and also reading it from the Read more…
This week I finished the HOTP function which uses MD5 hashing to generate a 6 digit code. The secret key used for the HOTP is generated in a separate function, using the MPLAB X built in TRNG (true random number generator) library. As for the configuration bitstream, it will be Read more…
This week I continued to study further on the topic of Wishbone signals and also communication protocols. I tried creating testbenches for available codes that had been designed to observe the waveform output but failed to compile it because there were errors. Dr. Shawn pointed out that it was due Read more…
It was about time that I finally dealt with all of the bugs (took me long enough) and it’s a good thing that I did, considering how silly and simple the solution for most of them was. I got the feeling that a bunch of them will emerge though once Read more…
This week I was assigned a few tasks by Dr. Shawn. The first one is to familiarize myself with tools such as Emacs and GTKwave. Emacs is a handy text editor which are extensible and can also be customized. Meanwhile, GTKwave is a tool for viewing and analyzing waves. I Read more…
This week I worked on the HMAC-based one-time password (HOTP) key which is used to encrypt the message. The encryption is achieved using a key and a counter. The HOTP code is based on a work done by one of the previous interns. As Dr. Shawn pointed out, the main Read more…
With Monday and Wednesday being public holidays, one could say that this was a pretty short week. Continuing with the tasks from last week, I had most of the work done on Tuesday and Thursday, setting up new pages, enhancing already implemented features, such as the “date picker” and “auto Read more…