My adafruit logger arrived today. Not sure if I'll get a chance to try this out tonight but sometime in the next few days I hope to give it a try.
On Mon, Sep 17, 2018 at 1:04 PM, Stephen Adolph <twospru...@gmail.com> wrote: > If I were going to mount this inside the M100, I would > 1) retask the modem port to be directly connected to this > 2) use a patched main rom to allow modem port to run at 19.2 > 3) directly wire it to the battery voltage (after the on/off switch) > > > > On Mon, Sep 17, 2018 at 11:37 AM Kevin Becker <ke...@kevinbecker.org> > wrote: > >> This is pretty cool. I think I might have to check it out. It might be >> an excuse to finally get a 3d printer too. >> >> On Sun, Sep 16, 2018 at 10:35 PM, Brian White <bw.al...@gmail.com> wrote: >> >>> There's the entire kit for SD2TPDD on an Adalogger 32u4. >>> >>> https://photos.app.goo.gl/N2v6iB45pePNFQNA8 >>> >>> Bam. Couldn't be sweeter. >>> >>> On Sun, Sep 16, 2018, 9:56 PM Brian White <bw.al...@gmail.com> wrote: >>> >>>> SD2TPDD works without modification on an Adafruit Adalogger 32u4 >>>> Your original code not my hacked up version I mean. >>>> Even the chip select is already correct out of the box. >>>> https://www.adafruit.com/product/2795 >>>> >>>> This board doesn't have the cpu, ram, or other hardware to do some of >>>> the other facy ideas you could do with the Teensy 3.6 like cassette files >>>> and rtc, but it's perfect for tpdd-on-a-stick. >>>> What's cool about it is: >>>> * It runs your code just as it is. >>>> * usb programming/charging port built-in. >>>> * sd card reader built in. >>>> * lithium battery charger circuit and standard battery pack connector >>>> built-in, so you can power it from a little lipo battery, connected by a >>>> standard plug so it's removabel/replaceable, charges by the same built-in >>>> usb port as used to program it. There's an extra led on the board that >>>> shows when the battery is charging. Goes out when done charging. >>>> >>>> With the rs232 module connected and an sd card inserted, it draws about >>>> 12.7 ma @ 3.7v >>>> That's about 27 hours from a 350mah battery pack which is still pretty >>>> tiny battery. >>>> And to recharge the battery, just plug in any usb charger to the usb >>>> port. You could run off the usb port indefinitely too, with or without a >>>> battery. >>>> >>>> Unlike the Teensy, this board also has >>>> * card detect pin. You can use this to detect when a card has been >>>> removed/inserted and re-init the card automatically. >>>> * extra led near the card reader on it's own pin, aside from the >>>> regular arduino pin 13 led. >>>> * card reader socket is push-in push-out type. >>>> >>>> Teensy card reader just holds the card by friction, has to stick out a >>>> little to leave something to grab to get back out, and there is no >>>> card-detect pin. >>>> >>>> I'm already doctoring up a version of the code to take more advantage >>>> of this board, like using the cardreader led and hopefully getting sleep >>>> mode to work and the card detect pin. >>>> But it's already a functional tpdd right out of the box. >>>> -- >>>> bkw >>>> >>>> On Mon, Aug 20, 2018 at 4:31 PM c646581 <c646...@gmail.com> wrote: >>>> >>>>> I have a project that uses an Arduino Mega to emulate a TPDD. >>>>> >>>>> https://github.com/TangentDelta/SD2TPDD >>>>> >>>>> I have plans to eventually sell easy-to-use shields that provide the >>>>> RS232 level shifting and SD card interface. >>>>> >>>>> On Mon, Aug 20, 2018, 16:02 Brian White <bw.al...@gmail.com> wrote: >>>>> >>>>>> A tpdd emulated in low level basic hardware in line with the tpdd >>>>>> itself really appeals to me. >>>>>> >>>>>> I would love to try to make it work on a tinyduino, or maybe a gotek. >>>>>> Tinyduino may not seem "basic" being so small and modern, but it's a >>>>>> microcontroller not a PC. It doesn't run linux and systemd and bash and >>>>>> getty and python and a tcp stack and ssl and X and gnome etc etc etc. >>>>>> >>>>>> The fact that an entire pc fits in a tiny space and uses no power and >>>>>> costs $5 today thanks to the plain advancement over the passage of time, >>>>>> is >>>>>> sort of beside the point. Sure it's practical, but it's not *elegant*, in >>>>>> some intangible abstract mental way. >>>>>> >>>>>> You could run dlplus or laddie from an init script on an Omega2 and >>>>>> stuff the entire thing inside of a db25 connector shell, and probably >>>>>> even >>>>>> scavenge enough power right from the usb port with charge pumps, and the >>>>>> entire thing would be small and cheap and relatively easy to do, since >>>>>> it's >>>>>> just sticking a few existing things together like legos. Outwardly this >>>>>> makes all the sense in the world. But it's just such a brute-force kind >>>>>> of >>>>>> solution. I'd rather spend all kinds of time and effort to do the same >>>>>> thing with a controller in place of the computer. >>>>>> >>>>>> Though, you can sure get a lot more functionality out of a computer, >>>>>> like that virtual modem in mcomm. And the computer is infinitely more >>>>>> end-user hackable. It would be neat to play with hacking together some >>>>>> sort >>>>>> of front-end dispatcher script, kind of like inetd for serial or I guess >>>>>> that would just be an amped-up getty, maybe even with an interactive menu >>>>>> that you can access via TELCOM, and the front end runs a tpdd server or a >>>>>> dos injector or ssh client or lynx or virtual modem or something else and >>>>>> hooks it to the tty. It could stay in the loop monitoring the tty for >>>>>> special escape commands to break out into a command mode just like >>>>>> modems, >>>>>> telnet, ssh, cu etc all do, so you could always switch between functions >>>>>> from the M100 even after starting one. >>>>>> >>>>>> gahh ideas are sure easy to throw around :) >>>>>> >>>>>> >>>> >>>> -- >>>> bkw >>>> >>> >>
