Recent content by jyeandle

The integration of the protocol was done with the idea of having there be a menu a la windows 10 that lists networks and allows the user to connect and disconnect from different networks, and updates on the fly when opened with a list of available networks. It also allows the esp to periodically...

I started working on a similar device that connects to the external serial port a few years back, before life got in the way and I had to focus on other things. I modified the esp slip firmware to add escape sequences to the slip protocol that allow me to set up and control the wifi network...

I somehow had missed GetDCtlEntry, though I did figure out another solution that works. I just put the ParamBlockRec that I passed to the PBread as the first listing in the struct that is the dCtlStorage field. So, the pointer that gets passed to the completion routine for the ParamBlockRec is...

Rewrote my code to use a VBL task instead of a Timer Task, and now it's not hanging on every read from the serial port. But, next question: Is there an elegeant way to pass a pointer to a completion routine? According to Inside Macintosh, a completion routine gets called with the ioResult in...

New to Mac programming, although I have a lot of C experience in windows/linux/embedded system environments. I'm using Codewarrior 8 to write a driver in C on the mac. And I'm looking for resources on programming drivers for the mac (targeting system 7). I'm building a serial to wifi adapter...

Reopening this thread, I apologize if that's an etiquette faux pas... Back in 2001 I had a summer job working in the salvage and excess warehouse at Lawrence Berkeley National Lab, and because I was the only tech savvy person in the building, I ended up being the person who refurbished computers...

I actually kind of like the idea of using an IC that's meant to deal with this problem. Poked around and stumbled across the datasheet for the MAX809JTRG. It's a 3 pin IC like you mentioned, with a 4v trigger threshold. So I could connected its Vin as is to pin 7 on the sound IC, which is...

As I said a few posts above, retracing what I had done I realized after the fact that I brainfarted and connected one probe to +12 and the other to a logic pin, likely one of the phase lines, though I'm not sure which one. So, I'm figuring most likely the swim is dead as a result. And hoping...

Hmmm... Upon plugging it back in and turning it on today, I'm back to a checkerboard. Only, this time it's not being caused by the CPU reset line... Anyone know of where I can get a new logic board without having to buy (and ship) a whole new classic off ebay? Working would be preferred, but...

Its not the clearest of pictures, sorry. Drew an arrow pointing to pin 6. Although it's hard to tell from this angle, it is cut. There's no contact between the pin and the board.

Bleh. I know what happened... I flipped the connector in my head, put the negative probe of the multimeter on +12 rather than ground, and the positive probe on 5v... Hence why the multimeter gave me a reading of -7. And why I smelled a chip dying... Hopefully I haven't killed the entire board...

Scratch that... Back to not working. While trying to diagnose the lack of working floppy, I was probing signals at the floppy connector to verify voltages. They were reading funky, as in -7.4, -10.2, etc. Then I started smelling what smelled like a cap shorting out, the screen froze, and upon...

Got tired of trying to figure it out. Cut pin 6 on the sound IC. Boots right up. Everything works except the reset button on the side. Even selecting restart from the special menu works. Also, sound still works. Only thing not working at this point is the floppy drive. I have two drives, and...

Any elegant way to pull up UA5? I havent quite worked my soldering chops up to the level of cleanly removing surface mount ICs, and I don't have access to any reflow equipment. It's not seated flush to the board, so I was able to floss around an alcohol wipe underneath to some extent through the...

Any idea what the source was? I quickly skimmed a few of his books that I could find in pdf online and and saw nothing about sounds ICs in any of them.