Also this As shipped, the default setting for the Retro-Printer is to expect 8 bit data - however, some equipment only sends 7 bit data (and the 8th bit can be quite temperamental). Changing the bit_depth parameter for the Retro-Printer Module will address this
On Sun, Mar 17, 2024, 8:48 PM Gregory McGill <arcadeshop...@gmail.com> wrote: > Adapter was made because there was a board error on the original board. So > this adapter fixes whatever was wrong. I'll see if I can get the details > for you.. If it turns out to be the adapter I could probably get it > replaced for you if need be or repaired. > > On Sun, Mar 17, 2024, 6:47 PM Will Senn <will.s...@gmail.com> wrote: > >> All, >> >> Looks like it was a problem with the adapter. My theory that bits 2 and 3 >> were shorted (oh, that's right, not my theory, but Steve's) was confirmed >> with a few more character test. So, I posted in the retro printer board, >> sent several 'contact us' posts to the retro folks (their site sucks), and >> then... >> >> Full disclaimer, I am NOT a hardware guy!! But, I madly took that adapter >> apart and then after doing both sides, saw where some solder was bleeding >> over from one pin to another on the female side... and a bit of exacto >> knife wizardry later and a bit of worry that I'd destroy it, and voila: >> >> 10 RMM ABCLMNOLMNOLMNOPQRS\]^_\]^ >> 20 RMM abclmnolmnolmnopqrs|}~|}~ >> 30 RMM 0123<=>?<=0 -_=/_]?>/",<.> >> <0 RMM /?!@#,-^..,- >> >> 10 REM ABCDEFGHIJKLMNOPQRSTUVWXYZ >> 20 REM abcdefghijklmnopqrstuvwxyz >> 30 REM 01234567890 -_=+[];:'",<.> >> 40 REM /?!@#$%^&*() >> >> >> Yay! >> >> Now, I can go about setting this goofy retroprinter up properly. >> >> Thanks for the forbearance, assistance and sympathy. >> >> Will >> >> >> On 3/17/24 5:46 PM, Stephen Adolph wrote: >> >> Bit 2 shorted to bit 3? >> >> On Sunday, March 17, 2024, Will Senn <will.s...@gmail.com> wrote: >> >>> I tried every config setting... twice or more :). >>> >>> It's super consistent in that bits 2, and 3, counting from zero, from >>> the least significant bits, are having some kind of issue (they aren't >>> always, zero, or one, but they are always the bits that are wrong and they >>> are consistently wrong (of the 40 chars or so I tested): >>> >>> <0x7f> vs w >>> 01111111 >>> 01110111 >>> 00001000 (b3 1->0) >>> >>> \ vs T >>> 01011100 >>> 01010100 >>> 00001000 (b3 1->0) >>> >>> 4 vs < >>> 00110100 >>> 00111100 >>> 00001000 (b3 0->1) >>> >>> 5 vs = >>> 00110101 >>> 00111101 >>> 00001000 (b3 0->1) >>> 6 vs > >>> 00110110 >>> 00111110 >>> 00001000 (b3 0->1) >>> >>> 7 vs ? >>> 00110111 >>> 00111111 >>> 00001000 (b3 0->1) >>> >>> 8 vs < >>> 00111000 >>> 00111100 >>> 00000100 (b3 0->1) >>> >>> 9 vs = >>> 00111001 (b3 0->1) >>> 00111101 >>> 00000100 >>> >>> Weird, huh? Anybody seen anything like it? Can I troubleshoot it with a >>> multimeter? >>> >>> Will >>> >>> >>> >>> >>> On 3/17/24 2:13 PM, Will Senn wrote: >>> >>> Yep, it's consistent. It took me a while to make some progress on this. >>> I tried redoing the Centronics side of the cable, and here's my source vs >>> what the pi sees: >>> >>> 10 PRINT "Hello, world!" >>> 20 GOTO 10 >>> >>> 10 PRMN\ "Lmllo, orll!" >>> 20 OO\O 10 >>> >>> I'm not sure how to troubleshoot... >>> >>> I found this in the retroprinter handbook: >>> >>> Missing Characters or Repeated Characters: >>> This is generally because the equipment sending the printout is using >>> a specific timing mechanism and not necessarily adopting the correct >>> Centronics signal methods for acknowledgement of data. >>> We have added the following configuration options to help address >>> this: >>> /root/config/handshaking >>> This allows you to specify how the handshaking is handled between >>> the computer and the Retro-Printer. This can help overcome issues >>> with lost characters or repeated characters when the equipment >>> misses the busy / acknowledge signals. >>> The parameter takes a value between 0 and 4. >>> 0 = Busy On (for 5ms), Busy Off, Ack On (for signal time), Ack Off >>> 1 = Ack On (for signal time), Busy On, Ack Off, Busy Off >>> 2 = Busy On (for 5ms), Ack On (for signal time), Busy Off, Ack Off >>> 3 = Ack On (for signal time), Ack Off, Busy On (for 5ms), Busy Off >>> 4 = Busy On and Ack On (for signal time), Ack Off and Busy Off >>> Default is 0 >>> >>> Any idea how the M100 handshakes? >>> >>> Will >>> >>> >>> On 3/17/24 7:18 AM, Mike Stein wrote: >>> >>> Is it consistent, i.e. do you always get the same garbled output for a >>> given file? >>> >>> At a fast glance it looks like bits 2 and/or 3 are being dropped; have >>> you checked the computer to Pi cable and connectors? >>> >>> m >>> >>> On Sun, Mar 17, 2024 at 2:14 AM Will Senn <will.s...@gmail.com> wrote: >>> >>>> I am finally coming back around to this. I bought a retroprinter a year >>>> and half ago or so and shelved it out of frustration. Now, I know a lot >>>> more about this sorta stuff and so I pulled it out, updated the software to >>>> latest and tried to get it working. >>>> >>>> The PI prints a test page fine, but it won't print anything I send it >>>> from the M100. After hours of troubleshooting, it appears that whatever >>>> codes the pi is sending aren't DMP-15, EPSON ESC/P or Plain Text codes... >>>> When I do llist, I see the data coming across to the retroprinter and have >>>> set up a file to capture, but I can't find anything that will make sense of >>>> the data. >>>> >>>> Here's a sample: >>>> >>>> 10 PRMN\ "lmllo" >>>> 1= RMS\ORM =0>NORM=0\O1>RMALR,M-,Q,,M-,C,,M,0-,C,,M,1->CL,M-=0>NM\\M >>>> 20 M=0 >>>> 2= O=0>OOS]B<0 >>>> 30 OOS]B<= >>>> >>>> It looks like reasonably valid data and not complete gibberish, but who >>>> am I to judge. Is it one of: >>>> >>>> Epson ESC/P 9 Pin - didn't work, when I tried it >>>> Epson ESC/P 24/48 Pin >>>> HP Printer (PCL3 or PCL5) >>>> HP Plotter (HP-GL) >>>> IBM ProPrinter >>>> Plain Text - didn't work, when I tried it >>>> Postscript >>>> Printronix-P Series >>>> Printronix-S Series >>>> Seiko QT-2100P >>>> Siemens PT-88 >>>> Apple Image Writer II >>>> Seiko STP >>>> Star Micronics SP700 >>>> Tandy DMP-105 - didn't work, when I tried it >>>> >>>> Help and thank you. >>>> >>>> >>> >>> >>
