Now that I have USB receive working in the main PC code, its time to merge the USB transmit(and receive for commands) into the main SX code. I have two pseudo-code versions written. 1> First version uses the ISR to...
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new book
I recently received “On the Edge: the Spectacular Rise and Fall of Commodore” and have read about half of the book so far. Very interesting read. It’s fun to read about how the various Commodores...
first two bytes of checksum bad
Despite the data being received 100% correct, the data checksum fails in certain cases. It’s always the first two bytes of the 4-byte, 32-bit checksum that are wrong. The last two are always right. What does...
updated code and comments
Here’s a current version of the code. I cleaned up my code tonight, added a bunch of comments, and tried to explain and document what I’m doing and the logic behind it. The current code is so much better...
man am I a slacker
Yeah, I’ve been slacking lately on the project. School has been keeping me busy, work too. My current problem is that something seems up with the data checksum routine, the code on the PC that is processing the...
updates with FRAM access
My initial attempts to write to the FRAM used SX/B commands like SHIFTIN and SHIFTOUT. These operated at a slow rate of about 83kbits/s. It did work and functioned as a good test of the hardware setup. Now that...
