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Date

Re: Introduction

 

On 9/20/24 18:09, Dave Daniel wrote:
Yeah, Modula-2 never caught on. Neither did Pascal, actually.
Haaa, that's pretty funny. Implemented for every major architecture, dozens of free and commercial versions, tons of commercial applications developed with it. Pascal was HUGE, and is still huge today.

It never achieved the level of penetration of C, but then nothing else did.

Modula-2, not so much, unfortunately.

-Dave

--
Dave McGuire, AK4HZ
New Kensington, PA


Re: Introduction

 

Yeah, those were the days when those of us who built stuff at home were always behind the curve. Computers, go-carts, robots. You mention the 6502. For me it was the Z80 and the 68000. I still have some of those. They're not much use now that Raspberry Pis and other turn-key ¦ÌPs are available.

Writing assembler at home on the living room floor was de rigeur in the 70s.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)
==============================

On Sep 20, 2024, at 18:02, Harvey White via groups.io <madyn@...> wrote:

?Before the 6502 came out, I had access to Tektronix catalogs, and definitely wanted one of the calculators. So I found a source of surplus chips, all TTL, and a wirewrap board (sadly, all 16 pin/14 pin). Made a second deck with 24 and 40 pin chips. Built a display using shift registers, think I made that one color, and designed the CPU with 74181's. Designed its machine language, and had some start in programming it. It could do an indirect jump.

Then the 6502 came out.

I looked at the chip, looked at my 165 IC design, and cried a bit.

6502 it was, and I didn't look back.

Next project was wirewrapped, color display, step by step in hardware, keyboard and external display. It was built in an old calculator case.

It went on from there.

Harvey


On 9/20/2024 5:27 PM, Dave Daniel wrote:
I had a wirewrapped Apple motherboard. I built a Heathkit H-something monitor and used that system for a couple of years. The Apple motherboard was wirewrapped as a sort of joke or something. I ended up with it because no one else wanted it.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)

==============================

On Sep 20, 2024, at 16:48, Harvey White via groups.io <madyn@...> wrote:
?Aha. No Amigas.

Clone apple ][ motherboards and clone IBM PCs until laptops somewhat took over.

Harvey


On 9/20/2024 4:42 PM, Dave Daniel wrote:
I had one for my Amiga.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)

==============================

On Sep 20, 2024, at 15:08, Harvey White via groups.io <madyn@...> wrote:
?I never found any Modula-2 compilers. I looked at what was out there (circa 1980 or so) and I got what would work on a PC for free.

Strictly low budget (and still, in a way, am).

Harvey


On 9/20/2024 2:45 PM, Dave Daniel wrote:
Pascal was originally intended to be a "teaching" language only and was never intended to be used commercially. Modula-2 was supposed to fix that.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)
==============================

On Sep 20, 2024, at 13:44, Harvey White via groups.io <madyn@...> wrote:
?Nope, Borland Pascal, then Delphi.

It is possible to break the linker in Borland Pascal.

Harvey


On 9/20/2024 12:36 PM, Dave Daniel wrote:
Pascal? Did you ever write code in Niklaus Wirth's Modula-2?

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)
==============================

On Sep 20, 2024, at 09:52, Harvey White via groups.io <madyn@...> wrote:
?You're welcome. I can take a design from concept to hardware to pc board to build and then do the same for software. Limitations, of course.

I always encouraged my students to learn both hardware and software, even if they were not going to use it immediately (either!).

I have a program written in C++ (on the PC) that parses an EAGLE board file, then produces an OpenSCAD file (will need custom OpenSCAD parts) to model the board. Makes it useful for designing cases and assemblies as well as getting an idea of what fits where.

So current languages? embedded C, C++ for microprocessors, C++ for the PC, VHDL for FPGAs, OpenSCAD for 3D designs.

I have mostly dropped Delphi, which can be somewhat annoying to code in. Not a bad language (Pascal), but gives me no transportability to the microprocessor realm.

I do mostly digital and power supply design (in support), with a reasonably heavy concentration in microprocessors.

Harvey


On 9/20/2024 9:27 AM, Frank Mashockie wrote:
Thanks Harvey!
I really appreciate the feedback. The software is definitely my weakest point. I think it might be a good idea to start introducing myself to some of it. I've gotten familiar with programming development software to flash MCUs, but that is about it.
I love repair of PCBs. The problem solving and troubleshooting. Learning more about different types of circuits. With that, I think I'd like to get into PCB design. Definitely hardware related. But I guess I won't know for sure until I get into that degree - there's still so much I need/want to learn. I am also interested by power systems and the grid. I probably would have been a lineman if I wasn't afraid heights!
Sorry I don't mean to derail the thread, but I greatly appreciate the feedback!
-Frank












Re: Introduction

 

Yeah, Modula-2 never caught on. Neither did Pascal, actually. I did all my Applied Math programming in FORTRAN (calculating the zeroes of Bessel functions as a homework assignment at ~0600 on a weekday morning and getting a 'phone call from the data center sysadmin: "Dave, what are you running? You are using 98% of the CPU"). Later, of course, at work, everything was done using C or assembler. C++ came later; my only experience with OOP has been with SystemVerilog.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)
==============================

On Sep 20, 2024, at 15:08, Harvey White via groups.io <madyn@...> wrote:

?I never found any Modula-2 compilers. I looked at what was out there (circa 1980 or so) and I got what would work on a PC for free.

Strictly low budget (and still, in a way, am).

Harvey


On 9/20/2024 2:45 PM, Dave Daniel wrote:
Pascal was originally intended to be a "teaching" language only and was never intended to be used commercially. Modula-2 was supposed to fix that.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)
==============================

On Sep 20, 2024, at 13:44, Harvey White via groups.io <madyn@...> wrote:
?Nope, Borland Pascal, then Delphi.

It is possible to break the linker in Borland Pascal.

Harvey


On 9/20/2024 12:36 PM, Dave Daniel wrote:
Pascal? Did you ever write code in Niklaus Wirth's Modula-2?

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)
==============================

On Sep 20, 2024, at 09:52, Harvey White via groups.io <madyn@...> wrote:
?You're welcome. I can take a design from concept to hardware to pc board to build and then do the same for software. Limitations, of course.

I always encouraged my students to learn both hardware and software, even if they were not going to use it immediately (either!).

I have a program written in C++ (on the PC) that parses an EAGLE board file, then produces an OpenSCAD file (will need custom OpenSCAD parts) to model the board. Makes it useful for designing cases and assemblies as well as getting an idea of what fits where.

So current languages? embedded C, C++ for microprocessors, C++ for the PC, VHDL for FPGAs, OpenSCAD for 3D designs.

I have mostly dropped Delphi, which can be somewhat annoying to code in. Not a bad language (Pascal), but gives me no transportability to the microprocessor realm.

I do mostly digital and power supply design (in support), with a reasonably heavy concentration in microprocessors.

Harvey


On 9/20/2024 9:27 AM, Frank Mashockie wrote:
Thanks Harvey!
I really appreciate the feedback. The software is definitely my weakest point. I think it might be a good idea to start introducing myself to some of it. I've gotten familiar with programming development software to flash MCUs, but that is about it.
I love repair of PCBs. The problem solving and troubleshooting. Learning more about different types of circuits. With that, I think I'd like to get into PCB design. Definitely hardware related. But I guess I won't know for sure until I get into that degree - there's still so much I need/want to learn. I am also interested by power systems and the grid. I probably would have been a lineman if I wasn't afraid heights!
Sorry I don't mean to derail the thread, but I greatly appreciate the feedback!
-Frank











Re: Introduction

 

Before the 6502 came out, I had access to Tektronix catalogs, and definitely wanted one of the calculators.? So I found a source of surplus chips, all TTL, and a wirewrap board (sadly, all 16 pin/14 pin).? Made a second deck with 24 and 40 pin chips.? Built a display using shift registers, think I made that one color, and designed the CPU with 74181's.? Designed its machine language, and had some start in programming it.? It could do an indirect jump.

Then the 6502 came out.

I looked at the chip, looked at my 165 IC design, and cried a bit.

6502 it was, and I didn't look back.

Next project was wirewrapped, color display, step by step in hardware, keyboard and external display.? It was built in an old calculator case.

It went on from there.

Harvey

On 9/20/2024 5:27 PM, Dave Daniel wrote:
I had a wirewrapped Apple motherboard. I built a Heathkit H-something monitor and used that system for a couple of years. The Apple motherboard was wirewrapped as a sort of joke or something. I ended up with it because no one else wanted it.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)

==============================

On Sep 20, 2024, at 16:48, Harvey White via groups.io <madyn@...> wrote:

?Aha. No Amigas.

Clone apple ][ motherboards and clone IBM PCs until laptops somewhat took over.

Harvey


On 9/20/2024 4:42 PM, Dave Daniel wrote:
I had one for my Amiga.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)

==============================

On Sep 20, 2024, at 15:08, Harvey White via groups.io <madyn@...> wrote:
?I never found any Modula-2 compilers. I looked at what was out there (circa 1980 or so) and I got what would work on a PC for free.

Strictly low budget (and still, in a way, am).

Harvey


On 9/20/2024 2:45 PM, Dave Daniel wrote:
Pascal was originally intended to be a "teaching" language only and was never intended to be used commercially. Modula-2 was supposed to fix that.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)
==============================

On Sep 20, 2024, at 13:44, Harvey White via groups.io <madyn@...> wrote:
?Nope, Borland Pascal, then Delphi.

It is possible to break the linker in Borland Pascal.

Harvey


On 9/20/2024 12:36 PM, Dave Daniel wrote:
Pascal? Did you ever write code in Niklaus Wirth's Modula-2?

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)
==============================

On Sep 20, 2024, at 09:52, Harvey White via groups.io <madyn@...> wrote:
?You're welcome. I can take a design from concept to hardware to pc board to build and then do the same for software. Limitations, of course.

I always encouraged my students to learn both hardware and software, even if they were not going to use it immediately (either!).

I have a program written in C++ (on the PC) that parses an EAGLE board file, then produces an OpenSCAD file (will need custom OpenSCAD parts) to model the board. Makes it useful for designing cases and assemblies as well as getting an idea of what fits where.

So current languages? embedded C, C++ for microprocessors, C++ for the PC, VHDL for FPGAs, OpenSCAD for 3D designs.

I have mostly dropped Delphi, which can be somewhat annoying to code in. Not a bad language (Pascal), but gives me no transportability to the microprocessor realm.

I do mostly digital and power supply design (in support), with a reasonably heavy concentration in microprocessors.

Harvey


On 9/20/2024 9:27 AM, Frank Mashockie wrote:
Thanks Harvey!
I really appreciate the feedback. The software is definitely my weakest point. I think it might be a good idea to start introducing myself to some of it. I've gotten familiar with programming development software to flash MCUs, but that is about it.
I love repair of PCBs. The problem solving and troubleshooting. Learning more about different types of circuits. With that, I think I'd like to get into PCB design. Definitely hardware related. But I guess I won't know for sure until I get into that degree - there's still so much I need/want to learn. I am also interested by power systems and the grid. I probably would have been a lineman if I wasn't afraid heights!
Sorry I don't mean to derail the thread, but I greatly appreciate the feedback!
-Frank








Re: Probe Cables for 16801A Logic Analyser

 

Thanks for confirming that, Global Test Equipment in Downers Grove have them on their website for sale, looks like I will get one from them, cant find one in the UK for sale


Re: Introduction

 

I had a wirewrapped Apple motherboard. I built a Heathkit H-something monitor and used that system for a couple of years. The Apple motherboard was wirewrapped as a sort of joke or something. I ended up with it because no one else wanted it.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)

==============================

On Sep 20, 2024, at 16:48, Harvey White via groups.io <madyn@...> wrote:

?Aha. No Amigas.

Clone apple ][ motherboards and clone IBM PCs until laptops somewhat took over.

Harvey


On 9/20/2024 4:42 PM, Dave Daniel wrote:
I had one for my Amiga.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)

==============================

On Sep 20, 2024, at 15:08, Harvey White via groups.io <madyn@...> wrote:
?I never found any Modula-2 compilers. I looked at what was out there (circa 1980 or so) and I got what would work on a PC for free.

Strictly low budget (and still, in a way, am).

Harvey


On 9/20/2024 2:45 PM, Dave Daniel wrote:
Pascal was originally intended to be a "teaching" language only and was never intended to be used commercially. Modula-2 was supposed to fix that.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)
==============================

On Sep 20, 2024, at 13:44, Harvey White via groups.io <madyn@...> wrote:
?Nope, Borland Pascal, then Delphi.

It is possible to break the linker in Borland Pascal.

Harvey


On 9/20/2024 12:36 PM, Dave Daniel wrote:
Pascal? Did you ever write code in Niklaus Wirth's Modula-2?

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)
==============================

On Sep 20, 2024, at 09:52, Harvey White via groups.io <madyn@...> wrote:
?You're welcome. I can take a design from concept to hardware to pc board to build and then do the same for software. Limitations, of course.

I always encouraged my students to learn both hardware and software, even if they were not going to use it immediately (either!).

I have a program written in C++ (on the PC) that parses an EAGLE board file, then produces an OpenSCAD file (will need custom OpenSCAD parts) to model the board. Makes it useful for designing cases and assemblies as well as getting an idea of what fits where.

So current languages? embedded C, C++ for microprocessors, C++ for the PC, VHDL for FPGAs, OpenSCAD for 3D designs.

I have mostly dropped Delphi, which can be somewhat annoying to code in. Not a bad language (Pascal), but gives me no transportability to the microprocessor realm.

I do mostly digital and power supply design (in support), with a reasonably heavy concentration in microprocessors.

Harvey


On 9/20/2024 9:27 AM, Frank Mashockie wrote:
Thanks Harvey!
I really appreciate the feedback. The software is definitely my weakest point. I think it might be a good idea to start introducing myself to some of it. I've gotten familiar with programming development software to flash MCUs, but that is about it.
I love repair of PCBs. The problem solving and troubleshooting. Learning more about different types of circuits. With that, I think I'd like to get into PCB design. Definitely hardware related. But I guess I won't know for sure until I get into that degree - there's still so much I need/want to learn. I am also interested by power systems and the grid. I probably would have been a lineman if I wasn't afraid heights!
Sorry I don't mean to derail the thread, but I greatly appreciate the feedback!
-Frank












Re: Introduction

 

Aha.? No Amigas.

Clone apple ][ motherboards and clone IBM PCs until laptops somewhat took over.

Harvey

On 9/20/2024 4:42 PM, Dave Daniel wrote:
I had one for my Amiga.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)

==============================

On Sep 20, 2024, at 15:08, Harvey White via groups.io <madyn@...> wrote:

?I never found any Modula-2 compilers. I looked at what was out there (circa 1980 or so) and I got what would work on a PC for free.

Strictly low budget (and still, in a way, am).

Harvey


On 9/20/2024 2:45 PM, Dave Daniel wrote:
Pascal was originally intended to be a "teaching" language only and was never intended to be used commercially. Modula-2 was supposed to fix that.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)
==============================

On Sep 20, 2024, at 13:44, Harvey White via groups.io <madyn@...> wrote:
?Nope, Borland Pascal, then Delphi.

It is possible to break the linker in Borland Pascal.

Harvey


On 9/20/2024 12:36 PM, Dave Daniel wrote:
Pascal? Did you ever write code in Niklaus Wirth's Modula-2?

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)
==============================

On Sep 20, 2024, at 09:52, Harvey White via groups.io <madyn@...> wrote:
?You're welcome. I can take a design from concept to hardware to pc board to build and then do the same for software. Limitations, of course.

I always encouraged my students to learn both hardware and software, even if they were not going to use it immediately (either!).

I have a program written in C++ (on the PC) that parses an EAGLE board file, then produces an OpenSCAD file (will need custom OpenSCAD parts) to model the board. Makes it useful for designing cases and assemblies as well as getting an idea of what fits where.

So current languages? embedded C, C++ for microprocessors, C++ for the PC, VHDL for FPGAs, OpenSCAD for 3D designs.

I have mostly dropped Delphi, which can be somewhat annoying to code in. Not a bad language (Pascal), but gives me no transportability to the microprocessor realm.

I do mostly digital and power supply design (in support), with a reasonably heavy concentration in microprocessors.

Harvey


On 9/20/2024 9:27 AM, Frank Mashockie wrote:
Thanks Harvey!
I really appreciate the feedback. The software is definitely my weakest point. I think it might be a good idea to start introducing myself to some of it. I've gotten familiar with programming development software to flash MCUs, but that is about it.
I love repair of PCBs. The problem solving and troubleshooting. Learning more about different types of circuits. With that, I think I'd like to get into PCB design. Definitely hardware related. But I guess I won't know for sure until I get into that degree - there's still so much I need/want to learn. I am also interested by power systems and the grid. I probably would have been a lineman if I wasn't afraid heights!
Sorry I don't mean to derail the thread, but I greatly appreciate the feedback!
-Frank








Re: Introduction

 

I had one for my Amiga.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)

==============================

On Sep 20, 2024, at 15:08, Harvey White via groups.io <madyn@...> wrote:

?I never found any Modula-2 compilers. I looked at what was out there (circa 1980 or so) and I got what would work on a PC for free.

Strictly low budget (and still, in a way, am).

Harvey


On 9/20/2024 2:45 PM, Dave Daniel wrote:
Pascal was originally intended to be a "teaching" language only and was never intended to be used commercially. Modula-2 was supposed to fix that.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)
==============================

On Sep 20, 2024, at 13:44, Harvey White via groups.io <madyn@...> wrote:
?Nope, Borland Pascal, then Delphi.

It is possible to break the linker in Borland Pascal.

Harvey


On 9/20/2024 12:36 PM, Dave Daniel wrote:
Pascal? Did you ever write code in Niklaus Wirth's Modula-2?

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)
==============================

On Sep 20, 2024, at 09:52, Harvey White via groups.io <madyn@...> wrote:
?You're welcome. I can take a design from concept to hardware to pc board to build and then do the same for software. Limitations, of course.

I always encouraged my students to learn both hardware and software, even if they were not going to use it immediately (either!).

I have a program written in C++ (on the PC) that parses an EAGLE board file, then produces an OpenSCAD file (will need custom OpenSCAD parts) to model the board. Makes it useful for designing cases and assemblies as well as getting an idea of what fits where.

So current languages? embedded C, C++ for microprocessors, C++ for the PC, VHDL for FPGAs, OpenSCAD for 3D designs.

I have mostly dropped Delphi, which can be somewhat annoying to code in. Not a bad language (Pascal), but gives me no transportability to the microprocessor realm.

I do mostly digital and power supply design (in support), with a reasonably heavy concentration in microprocessors.

Harvey


On 9/20/2024 9:27 AM, Frank Mashockie wrote:
Thanks Harvey!
I really appreciate the feedback. The software is definitely my weakest point. I think it might be a good idea to start introducing myself to some of it. I've gotten familiar with programming development software to flash MCUs, but that is about it.
I love repair of PCBs. The problem solving and troubleshooting. Learning more about different types of circuits. With that, I think I'd like to get into PCB design. Definitely hardware related. But I guess I won't know for sure until I get into that degree - there's still so much I need/want to learn. I am also interested by power systems and the grid. I probably would have been a lineman if I wasn't afraid heights!
Sorry I don't mean to derail the thread, but I greatly appreciate the feedback!
-Frank











Re: Introduction

 

Yep. Also, build the code so that there is no address 0x0000. "Base page 0" has a non-zero address. Basically, adress zero doesn't exist.

This was a long time ago. Sheesh.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)
==============================

On Sep 20, 2024, at 15:06, Harvey White via groups.io <madyn@...> wrote:

?and tests for null pointers.................

Write paranoid code.

Harvey


On 9/20/2024 2:40 PM, Dave Daniel wrote:
Yeah, I got eventually.

As team lead, I was responsible for code releases. It amazed me how many null pointers existed in the code. Apparently I wasn't the only engineer who didn't understand pointers. For every malloc() there needs to be free().

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)

==============================

On Sep 20, 2024, at 13:43, Harvey White via groups.io <madyn@...> wrote:
?Pointers are relatively easy, if you can get the idea that it's a "look over here" kind of thing. Given that, you can say "look over here and get me what's there" and then "here" when something wants a "look over there". The syntax can be a bit, but the concepts, once understood, are straightforward enough.

Harvey


On 9/20/2024 12:30 PM, Dave Daniel wrote:
I have gvim on my Windows box and use it regularly to edit code (EZNEC, Octave and MatLab files, mostly). At first (1980s) I thought vi was primitive. But over the years I realized that it's portability makes it brilliant. At one time my job was to create a simulation of a large, complex, virtual IBM mainframe disk system. Often, when a user was running his/her code against the simulator and a problem arose it was a question of whether the user code or the simulator code was at fault. Being able to look at the logs and code instantly using vi was, I don't know, like drinking a glass of water. Second nature. The editing was a miniscule effort compared to trying to figure out what code was broken.

When using EMACS, I always had to think about what keys on the keyboard I needed to press to do something. Probably beccause I was never a really good software engineer. I understood electrons, but not C pointers.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)

==============================

On Sep 20, 2024, at 09:25, n4buq via groups.io <n4buq@...> wrote:
?When I left the world of UNIX (actually "CLIX" for our product), I travelled to the dark side and use notepad, etc., now. I do miss the vi days. So much one can do without ever taking one's hands off of the keyboard.

Barry - N4BUQ

Was, but no longer?

Though the "editor wars" are fun, I actually use both vi and emacs
regularly. I'm going to make a quick edit /etc/resolv.conf, I use vi.
If I'm sitting down for a ten-hour coding session, I use emacs.

-Dave

On 9/20/24 08:26, n4buq wrote:
I was a vi man myself.

Barry - N4BUQ

'Twas a joke. But emacs has to be one of the most widely-ported pieces of
software in history.

-Dave

On September 19, 2024 8:23:47 PM "Harvey White" <madyn@...> wrote:
Never used it, so... wasn't available for what I was doing.

Harvey


On 9/19/2024 7:57 PM, Dave McGuire wrote:
Emacs!

On 9/19/24 19:53, Harvey White wrote:
Unless you like VHDL...... <grin>

Harvey


On 9/19/2024 5:29 PM, Dave Daniel wrote:
Add in SystemVerilog if one is contemplating FPGA/ASIC work.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick
Renz, STK, ca. 1994)
==============================

On Sep 19, 2024, at 16:03, Roy Thistle via groups.io
<roy.thistle@...> wrote:

?
On Thu, Sep 19, 2024 at 09:11 AM, Frank Mashockie wrote:

I've been considering going into an online master's program for
EE.

If your boss is not paying for it... It's expensive.
2 to 3 years to complete, on average.
Say 50,000USD total cost, on average... and up... for many good US
schools.
Georgia Tech is... about the lowest cost... 10,000USD total cost.
Everyone is different... but IMO... the average person... depending
on which specialty they want... needs to have a strong background in
calculus... as in vector, complex, and differential equations...
linear algebra... numerical methods... statistics.
Computer science skills are required too.
Programming in Python or C
Simulations in software packages like Pspice
HDL like Verilog, or VHDL
Not to mention a strong background in
circuit analysis
devices
probably other stuff I forgot too.
--
Dave McGuire, AK4HZ
New Kensington, PA





--
Dave McGuire, AK4HZ
New Kensington, PA












Re: HP 8554B, no RF after first successful run...

 

Some things I've found while working through the front panel controls section of the manual:?

Scan Width - #6 "turn scan width per div to 10mhz", result "LO Feedthrough, 30mhz signal, 2nd harmonic".? ?I do not see these, any of them, just continued noise floor.??

The rest of the steps seem relatively meaningless but one call-out I'd make, Step 12 "Reduce Bandwidth?+ Scan time", result "should be stable and viewable"...? ?
I wouldn't quite call it stable while turning the knob, between the detent I see seemingly random spikes on the screen, until the next detent.? ?might be some sort of switching noise or crosstalk though.??

I do not see a 30mhz calibrator signal, I've never tried to verify this until last night either.? ?I'll begin to read up on this and Scan width circuitry next..??



On Fri, Sep 20, 2024 at 10:46?AM Bill Berzinskas via <bberzinskas=[email protected]> wrote:


Re: Introduction

 

... and use a language that reduces or eliminate the possibility of NULL or wild pointers occurring, or if it can't manage that, at least has the courtesy to tell you that you have screwed up.

On Fri, 20 Sept 2024 at 20:06, Harvey White via <madyn=[email protected]> wrote:
and tests for null pointers.................

Write paranoid code.

Harvey


On 9/20/2024 2:40 PM, Dave Daniel wrote:
> Yeah, I got eventually.
>
> As team lead, I was responsible for code releases. It amazed me how many null pointers existed in the code. Apparently I wasn't the only engineer who didn't understand pointers. For every malloc() there needs to be? free().
>
> DaveD
> KC0WJN
>
> Thanks for all the fish.
> ==============================
> All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)
>
> ==============================
>
>> On Sep 20, 2024, at 13:43, Harvey White via <madyn=[email protected]> wrote:
>>
>> ?Pointers are relatively easy, if you can get the idea that it's a "look over here" kind of thing.? Given that, you can say "look over here and get me what's there" and then "here" when something wants a "look over there".? The syntax can be a bit, but the concepts, once understood, are straightforward enough.
>>
>> Harvey
>>
>>
>>> On 9/20/2024 12:30 PM, Dave Daniel wrote:
>>> I have gvim on my Windows box and use it regularly to edit code (EZNEC, Octave and MatLab files, mostly). At first (1980s) I thought vi was primitive. But over the years I realized that it's portability makes it brilliant. At one time my job was to create a simulation of a large, complex, virtual IBM mainframe disk system. Often, when a user was running his/her code against the simulator and a problem arose it was a question of whether the user code or the simulator code was at fault. Being able to look at the logs and code instantly using vi was, I don't know, like drinking a glass of water. Second nature. The editing was a miniscule effort compared to trying to figure out what code was broken.
>>>
>>> When using EMACS, I always had to think about what keys on the keyboard I needed to press to do something. Probably beccause I was never a really good software engineer. I understood electrons, but not C pointers.
>>>
>>> DaveD
>>> KC0WJN
>>>
>>> Thanks for all the fish.
>>> ==============================
>>> All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)
>>>
>>> ==============================
>>>
>>>>> On Sep 20, 2024, at 09:25, n4buq via <n4buq=[email protected]> wrote:
>>>> ?When I left the world of UNIX (actually "CLIX" for our product), I travelled to the dark side and use notepad, etc., now.? I do miss the vi days.? So much one can do without ever taking one's hands off of the keyboard.
>>>>
>>>> Barry - N4BUQ
>>>>
>>>>> Was, but no longer?
>>>>>
>>>>>? ?Though the "editor wars" are fun, I actually use both vi and emacs
>>>>> regularly.? I'm going to make a quick edit /etc/resolv.conf, I use vi.
>>>>> If I'm sitting down for a ten-hour coding session, I use emacs.
>>>>>
>>>>>? ? ? ? ? ? ? -Dave
>>>>>
>>>>>> On 9/20/24 08:26, n4buq wrote:
>>>>>> I was a vi man myself.
>>>>>>
>>>>>> Barry - N4BUQ
>>>>>>
>>>>>>> 'Twas a joke. But emacs has to be one of the most widely-ported pieces of
>>>>>>> software in history.
>>>>>>>
>>>>>>>? ? ? ? ? ? ? ? ? ? -Dave
>>>>>>>
>>>>>>> On September 19, 2024 8:23:47 PM "Harvey White" <madyn@...> wrote:
>>>>>>>> Never used it, so... wasn't available for what I was doing.
>>>>>>>>
>>>>>>>> Harvey
>>>>>>>>
>>>>>>>>
>>>>>>>> On 9/19/2024 7:57 PM, Dave McGuire wrote:
>>>>>>>>>? ?Emacs!
>>>>>>>>>
>>>>>>>>> On 9/19/24 19:53, Harvey White wrote:
>>>>>>>>>> Unless you like VHDL...... <grin>
>>>>>>>>>>
>>>>>>>>>> Harvey
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On 9/19/2024 5:29 PM, Dave Daniel wrote:
>>>>>>>>>>> Add in SystemVerilog if one is contemplating FPGA/ASIC work.
>>>>>>>>>>>
>>>>>>>>>>> DaveD
>>>>>>>>>>> KC0WJN
>>>>>>>>>>>
>>>>>>>>>>> Thanks for all the fish.
>>>>>>>>>>> ==============================
>>>>>>>>>>> All spelling mistakes are the responsibilty of the reader (Rick
>>>>>>>>>>> Renz, STK, ca. 1994)
>>>>>>>>>>> ==============================
>>>>>>>>>>>
>>>>>>>>>>>> On Sep 19, 2024, at 16:03, Roy Thistle via
>>>>>>>>>>>> <roy.thistle=[email protected]> wrote:
>>>>>>>>>>>>
>>>>>>>>>>>> ?
>>>>>>>>>>>> On Thu, Sep 19, 2024 at 09:11 AM, Frank Mashockie wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>? ? ?I've been considering going into an online master's program for
>>>>>>>>>>>> EE.
>>>>>>>>>>>>
>>>>>>>>>>>> If your boss is not paying for it... It's expensive.
>>>>>>>>>>>> 2 to 3 years to complete, on average.
>>>>>>>>>>>> Say 50,000USD total cost, on average... and up... for many good US
>>>>>>>>>>>> schools.
>>>>>>>>>>>> Georgia Tech is... about the lowest cost... 10,000USD total cost.
>>>>>>>>>>>> Everyone is different... but IMO... the average person... depending
>>>>>>>>>>>> on which? specialty they want... needs to have a strong background in
>>>>>>>>>>>> calculus... as in vector, complex, and differential equations...
>>>>>>>>>>>> linear algebra... numerical methods... statistics.
>>>>>>>>>>>> Computer science skills are required too.
>>>>>>>>>>>> Programming in Python or C
>>>>>>>>>>>> Simulations in software packages like Pspice
>>>>>>>>>>>> HDL like Verilog, or VHDL
>>>>>>>>>>>> Not to mention a strong background in
>>>>>>>>>>>> circuit analysis
>>>>>>>>>>>> devices
>>>>>>>>>>>> probably other stuff I forgot too.
>>>>>>>>
>>>>>>>>
>>>>>>> --
>>>>>>> Dave McGuire, AK4HZ
>>>>>>> New Kensington, PA
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>> --
>>>>> Dave McGuire, AK4HZ
>>>>> New Kensington, PA
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>
>>
>>
>>
>>
>
>
>
>







Re: Introduction

 

I never found any Modula-2 compilers.? I looked at what was out there (circa 1980 or so) and I got what would work on a PC for free.

Strictly low budget (and still, in a way, am).

Harvey

On 9/20/2024 2:45 PM, Dave Daniel wrote:
Pascal was originally intended to be a "teaching" language only and was never intended to be used commercially. Modula-2 was supposed to fix that.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)
==============================

On Sep 20, 2024, at 13:44, Harvey White via groups.io <madyn@...> wrote:

?Nope, Borland Pascal, then Delphi.

It is possible to break the linker in Borland Pascal.

Harvey


On 9/20/2024 12:36 PM, Dave Daniel wrote:
Pascal? Did you ever write code in Niklaus Wirth's Modula-2?

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)
==============================

On Sep 20, 2024, at 09:52, Harvey White via groups.io <madyn@...> wrote:
?You're welcome. I can take a design from concept to hardware to pc board to build and then do the same for software. Limitations, of course.

I always encouraged my students to learn both hardware and software, even if they were not going to use it immediately (either!).

I have a program written in C++ (on the PC) that parses an EAGLE board file, then produces an OpenSCAD file (will need custom OpenSCAD parts) to model the board. Makes it useful for designing cases and assemblies as well as getting an idea of what fits where.

So current languages? embedded C, C++ for microprocessors, C++ for the PC, VHDL for FPGAs, OpenSCAD for 3D designs.

I have mostly dropped Delphi, which can be somewhat annoying to code in. Not a bad language (Pascal), but gives me no transportability to the microprocessor realm.

I do mostly digital and power supply design (in support), with a reasonably heavy concentration in microprocessors.

Harvey


On 9/20/2024 9:27 AM, Frank Mashockie wrote:
Thanks Harvey!
I really appreciate the feedback. The software is definitely my weakest point. I think it might be a good idea to start introducing myself to some of it. I've gotten familiar with programming development software to flash MCUs, but that is about it.
I love repair of PCBs. The problem solving and troubleshooting. Learning more about different types of circuits. With that, I think I'd like to get into PCB design. Definitely hardware related. But I guess I won't know for sure until I get into that degree - there's still so much I need/want to learn. I am also interested by power systems and the grid. I probably would have been a lineman if I wasn't afraid heights!
Sorry I don't mean to derail the thread, but I greatly appreciate the feedback!
-Frank







Re: Introduction

 

and tests for null pointers.................

Write paranoid code.

Harvey

On 9/20/2024 2:40 PM, Dave Daniel wrote:
Yeah, I got eventually.

As team lead, I was responsible for code releases. It amazed me how many null pointers existed in the code. Apparently I wasn't the only engineer who didn't understand pointers. For every malloc() there needs to be free().

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)

==============================

On Sep 20, 2024, at 13:43, Harvey White via groups.io <madyn@...> wrote:

?Pointers are relatively easy, if you can get the idea that it's a "look over here" kind of thing. Given that, you can say "look over here and get me what's there" and then "here" when something wants a "look over there". The syntax can be a bit, but the concepts, once understood, are straightforward enough.

Harvey


On 9/20/2024 12:30 PM, Dave Daniel wrote:
I have gvim on my Windows box and use it regularly to edit code (EZNEC, Octave and MatLab files, mostly). At first (1980s) I thought vi was primitive. But over the years I realized that it's portability makes it brilliant. At one time my job was to create a simulation of a large, complex, virtual IBM mainframe disk system. Often, when a user was running his/her code against the simulator and a problem arose it was a question of whether the user code or the simulator code was at fault. Being able to look at the logs and code instantly using vi was, I don't know, like drinking a glass of water. Second nature. The editing was a miniscule effort compared to trying to figure out what code was broken.

When using EMACS, I always had to think about what keys on the keyboard I needed to press to do something. Probably beccause I was never a really good software engineer. I understood electrons, but not C pointers.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)

==============================

On Sep 20, 2024, at 09:25, n4buq via groups.io <n4buq@...> wrote:
?When I left the world of UNIX (actually "CLIX" for our product), I travelled to the dark side and use notepad, etc., now. I do miss the vi days. So much one can do without ever taking one's hands off of the keyboard.

Barry - N4BUQ

Was, but no longer?

Though the "editor wars" are fun, I actually use both vi and emacs
regularly. I'm going to make a quick edit /etc/resolv.conf, I use vi.
If I'm sitting down for a ten-hour coding session, I use emacs.

-Dave

On 9/20/24 08:26, n4buq wrote:
I was a vi man myself.

Barry - N4BUQ

'Twas a joke. But emacs has to be one of the most widely-ported pieces of
software in history.

-Dave

On September 19, 2024 8:23:47 PM "Harvey White" <madyn@...> wrote:
Never used it, so... wasn't available for what I was doing.

Harvey


On 9/19/2024 7:57 PM, Dave McGuire wrote:
Emacs!

On 9/19/24 19:53, Harvey White wrote:
Unless you like VHDL...... <grin>

Harvey


On 9/19/2024 5:29 PM, Dave Daniel wrote:
Add in SystemVerilog if one is contemplating FPGA/ASIC work.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick
Renz, STK, ca. 1994)
==============================

On Sep 19, 2024, at 16:03, Roy Thistle via groups.io
<roy.thistle@...> wrote:

?
On Thu, Sep 19, 2024 at 09:11 AM, Frank Mashockie wrote:

I've been considering going into an online master's program for
EE.

If your boss is not paying for it... It's expensive.
2 to 3 years to complete, on average.
Say 50,000USD total cost, on average... and up... for many good US
schools.
Georgia Tech is... about the lowest cost... 10,000USD total cost.
Everyone is different... but IMO... the average person... depending
on which specialty they want... needs to have a strong background in
calculus... as in vector, complex, and differential equations...
linear algebra... numerical methods... statistics.
Computer science skills are required too.
Programming in Python or C
Simulations in software packages like Pspice
HDL like Verilog, or VHDL
Not to mention a strong background in
circuit analysis
devices
probably other stuff I forgot too.
--
Dave McGuire, AK4HZ
New Kensington, PA





--
Dave McGuire, AK4HZ
New Kensington, PA








Re: Introduction

 

Pascal was originally intended to be a "teaching" language only and was never intended to be used commercially. Modula-2 was supposed to fix that.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)
==============================

On Sep 20, 2024, at 13:44, Harvey White via groups.io <madyn@...> wrote:

?Nope, Borland Pascal, then Delphi.

It is possible to break the linker in Borland Pascal.

Harvey


On 9/20/2024 12:36 PM, Dave Daniel wrote:
Pascal? Did you ever write code in Niklaus Wirth's Modula-2?

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)
==============================

On Sep 20, 2024, at 09:52, Harvey White via groups.io <madyn@...> wrote:
?You're welcome. I can take a design from concept to hardware to pc board to build and then do the same for software. Limitations, of course.

I always encouraged my students to learn both hardware and software, even if they were not going to use it immediately (either!).

I have a program written in C++ (on the PC) that parses an EAGLE board file, then produces an OpenSCAD file (will need custom OpenSCAD parts) to model the board. Makes it useful for designing cases and assemblies as well as getting an idea of what fits where.

So current languages? embedded C, C++ for microprocessors, C++ for the PC, VHDL for FPGAs, OpenSCAD for 3D designs.

I have mostly dropped Delphi, which can be somewhat annoying to code in. Not a bad language (Pascal), but gives me no transportability to the microprocessor realm.

I do mostly digital and power supply design (in support), with a reasonably heavy concentration in microprocessors.

Harvey


On 9/20/2024 9:27 AM, Frank Mashockie wrote:
Thanks Harvey!
I really appreciate the feedback. The software is definitely my weakest point. I think it might be a good idea to start introducing myself to some of it. I've gotten familiar with programming development software to flash MCUs, but that is about it.
I love repair of PCBs. The problem solving and troubleshooting. Learning more about different types of circuits. With that, I think I'd like to get into PCB design. Definitely hardware related. But I guess I won't know for sure until I get into that degree - there's still so much I need/want to learn. I am also interested by power systems and the grid. I probably would have been a lineman if I wasn't afraid heights!
Sorry I don't mean to derail the thread, but I greatly appreciate the feedback!
-Frank









Re: Introduction

 

Yeah, I got eventually.

As team lead, I was responsible for code releases. It amazed me how many null pointers existed in the code. Apparently I wasn't the only engineer who didn't understand pointers. For every malloc() there needs to be free().

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)

==============================

On Sep 20, 2024, at 13:43, Harvey White via groups.io <madyn@...> wrote:

?Pointers are relatively easy, if you can get the idea that it's a "look over here" kind of thing. Given that, you can say "look over here and get me what's there" and then "here" when something wants a "look over there". The syntax can be a bit, but the concepts, once understood, are straightforward enough.

Harvey


On 9/20/2024 12:30 PM, Dave Daniel wrote:
I have gvim on my Windows box and use it regularly to edit code (EZNEC, Octave and MatLab files, mostly). At first (1980s) I thought vi was primitive. But over the years I realized that it's portability makes it brilliant. At one time my job was to create a simulation of a large, complex, virtual IBM mainframe disk system. Often, when a user was running his/her code against the simulator and a problem arose it was a question of whether the user code or the simulator code was at fault. Being able to look at the logs and code instantly using vi was, I don't know, like drinking a glass of water. Second nature. The editing was a miniscule effort compared to trying to figure out what code was broken.

When using EMACS, I always had to think about what keys on the keyboard I needed to press to do something. Probably beccause I was never a really good software engineer. I understood electrons, but not C pointers.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)

==============================

On Sep 20, 2024, at 09:25, n4buq via groups.io <n4buq@...> wrote:
?When I left the world of UNIX (actually "CLIX" for our product), I travelled to the dark side and use notepad, etc., now. I do miss the vi days. So much one can do without ever taking one's hands off of the keyboard.

Barry - N4BUQ

Was, but no longer?

Though the "editor wars" are fun, I actually use both vi and emacs
regularly. I'm going to make a quick edit /etc/resolv.conf, I use vi.
If I'm sitting down for a ten-hour coding session, I use emacs.

-Dave

On 9/20/24 08:26, n4buq wrote:
I was a vi man myself.

Barry - N4BUQ

'Twas a joke. But emacs has to be one of the most widely-ported pieces of
software in history.

-Dave

On September 19, 2024 8:23:47 PM "Harvey White" <madyn@...> wrote:
Never used it, so... wasn't available for what I was doing.

Harvey


On 9/19/2024 7:57 PM, Dave McGuire wrote:
Emacs!

On 9/19/24 19:53, Harvey White wrote:
Unless you like VHDL...... <grin>

Harvey


On 9/19/2024 5:29 PM, Dave Daniel wrote:
Add in SystemVerilog if one is contemplating FPGA/ASIC work.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick
Renz, STK, ca. 1994)
==============================

On Sep 19, 2024, at 16:03, Roy Thistle via groups.io
<roy.thistle@...> wrote:

?
On Thu, Sep 19, 2024 at 09:11 AM, Frank Mashockie wrote:

I've been considering going into an online master's program for
EE.

If your boss is not paying for it... It's expensive.
2 to 3 years to complete, on average.
Say 50,000USD total cost, on average... and up... for many good US
schools.
Georgia Tech is... about the lowest cost... 10,000USD total cost.
Everyone is different... but IMO... the average person... depending
on which specialty they want... needs to have a strong background in
calculus... as in vector, complex, and differential equations...
linear algebra... numerical methods... statistics.
Computer science skills are required too.
Programming in Python or C
Simulations in software packages like Pspice
HDL like Verilog, or VHDL
Not to mention a strong background in
circuit analysis
devices
probably other stuff I forgot too.

--
Dave McGuire, AK4HZ
New Kensington, PA






--
Dave McGuire, AK4HZ
New Kensington, PA










Re: Introduction

 

On 9/20/24 03:08, Wilko Bulte wrote:
The Metcal units, at least the two Mx500 I have in my shack, have a conventional transformer. No toroid, no SMPSU. The extruded aluminium housing does not shield the stray magnetic field.
Another fun thing is that some 13.5 MHz RF gets leaked by their cables. Can be fun if you wonder were that QRM comes from..
Other than that: brilliant kit those Metcal.
I agree, I've used a couple of SP200s for many years. They are fantastic systems for general-purpose soldering, fine-pitch surface mount, and rework tasks.

-Dave

--
Dave McGuire, AK4HZ
New Kensington, PA


Re: Introduction

 

Hi Jeff, thanks for reply. The switch is in the correct position.
The display just reads 000020 and blinking. No matter what front panel change is made, the display remains the same.
As i said i havnt delved into it yet, but will do later this evening.
Regards Pete


HP8563E strange behavior

 

Hello all,
?
My HP8563E is showing some peculiar behaviour. It sweeps OK to about 2.9GHz and then sporatically sees some frequencies. Below is an example of a 4-6GHz sweep.
Has anybody have got an idea what is going on here and where to direct my focus?
?
Regards
Saevar
?


Re: Introduction

 

Nope, Borland Pascal, then Delphi.

It is possible to break the linker in Borland Pascal.

Harvey

On 9/20/2024 12:36 PM, Dave Daniel wrote:
Pascal? Did you ever write code in Niklaus Wirth's Modula-2?

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)
==============================

On Sep 20, 2024, at 09:52, Harvey White via groups.io <madyn@...> wrote:

?You're welcome. I can take a design from concept to hardware to pc board to build and then do the same for software. Limitations, of course.

I always encouraged my students to learn both hardware and software, even if they were not going to use it immediately (either!).

I have a program written in C++ (on the PC) that parses an EAGLE board file, then produces an OpenSCAD file (will need custom OpenSCAD parts) to model the board. Makes it useful for designing cases and assemblies as well as getting an idea of what fits where.

So current languages? embedded C, C++ for microprocessors, C++ for the PC, VHDL for FPGAs, OpenSCAD for 3D designs.

I have mostly dropped Delphi, which can be somewhat annoying to code in. Not a bad language (Pascal), but gives me no transportability to the microprocessor realm.

I do mostly digital and power supply design (in support), with a reasonably heavy concentration in microprocessors.

Harvey


On 9/20/2024 9:27 AM, Frank Mashockie wrote:
Thanks Harvey!
I really appreciate the feedback. The software is definitely my weakest point. I think it might be a good idea to start introducing myself to some of it. I've gotten familiar with programming development software to flash MCUs, but that is about it.
I love repair of PCBs. The problem solving and troubleshooting. Learning more about different types of circuits. With that, I think I'd like to get into PCB design. Definitely hardware related. But I guess I won't know for sure until I get into that degree - there's still so much I need/want to learn. I am also interested by power systems and the grid. I probably would have been a lineman if I wasn't afraid heights!
Sorry I don't mean to derail the thread, but I greatly appreciate the feedback!
-Frank





Re: Introduction

 

Pointers are relatively easy, if you can get the idea that it's a "look over here" kind of thing.? Given that, you can say "look over here and get me what's there" and then "here" when something wants a "look over there".? The syntax can be a bit, but the concepts, once understood, are straightforward enough.

Harvey

On 9/20/2024 12:30 PM, Dave Daniel wrote:
I have gvim on my Windows box and use it regularly to edit code (EZNEC, Octave and MatLab files, mostly). At first (1980s) I thought vi was primitive. But over the years I realized that it's portability makes it brilliant. At one time my job was to create a simulation of a large, complex, virtual IBM mainframe disk system. Often, when a user was running his/her code against the simulator and a problem arose it was a question of whether the user code or the simulator code was at fault. Being able to look at the logs and code instantly using vi was, I don't know, like drinking a glass of water. Second nature. The editing was a miniscule effort compared to trying to figure out what code was broken.

When using EMACS, I always had to think about what keys on the keyboard I needed to press to do something. Probably beccause I was never a really good software engineer. I understood electrons, but not C pointers.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca. 1994)

==============================

On Sep 20, 2024, at 09:25, n4buq via groups.io <n4buq@...> wrote:

?When I left the world of UNIX (actually "CLIX" for our product), I travelled to the dark side and use notepad, etc., now. I do miss the vi days. So much one can do without ever taking one's hands off of the keyboard.

Barry - N4BUQ

Was, but no longer?

Though the "editor wars" are fun, I actually use both vi and emacs
regularly. I'm going to make a quick edit /etc/resolv.conf, I use vi.
If I'm sitting down for a ten-hour coding session, I use emacs.

-Dave

On 9/20/24 08:26, n4buq wrote:
I was a vi man myself.

Barry - N4BUQ

'Twas a joke. But emacs has to be one of the most widely-ported pieces of
software in history.

-Dave

On September 19, 2024 8:23:47 PM "Harvey White" <madyn@...> wrote:
Never used it, so... wasn't available for what I was doing.

Harvey


On 9/19/2024 7:57 PM, Dave McGuire wrote:
Emacs!

On 9/19/24 19:53, Harvey White wrote:
Unless you like VHDL...... <grin>

Harvey


On 9/19/2024 5:29 PM, Dave Daniel wrote:
Add in SystemVerilog if one is contemplating FPGA/ASIC work.

DaveD
KC0WJN

Thanks for all the fish.
==============================
All spelling mistakes are the responsibilty of the reader (Rick
Renz, STK, ca. 1994)
==============================

On Sep 19, 2024, at 16:03, Roy Thistle via groups.io
<roy.thistle@...> wrote:

?
On Thu, Sep 19, 2024 at 09:11 AM, Frank Mashockie wrote:

I've been considering going into an online master's program for
EE.

If your boss is not paying for it... It's expensive.
2 to 3 years to complete, on average.
Say 50,000USD total cost, on average... and up... for many good US
schools.
Georgia Tech is... about the lowest cost... 10,000USD total cost.
Everyone is different... but IMO... the average person... depending
on which specialty they want... needs to have a strong background in
calculus... as in vector, complex, and differential equations...
linear algebra... numerical methods... statistics.
Computer science skills are required too.
Programming in Python or C
Simulations in software packages like Pspice
HDL like Verilog, or VHDL
Not to mention a strong background in
circuit analysis
devices
probably other stuff I forgot too.

--
Dave McGuire, AK4HZ
New Kensington, PA






--
Dave McGuire, AK4HZ
New Kensington, PA