PIC16F628A Simon Says Game - Electronic Circuits Projects Diagrams Free

**Krumlink** · 3rd February 2008, 09:01 PM

I was looking online for simple PIC Projects, and I found this http://www.talkingelectronics.com/pr...n/SimonP3.html. I was wondering how would I program the chip? I saw the asm code, but any tips on how I would go about doing that? Would I just save as a asm file and import to chip (using Inchworm+)

gregmcc · 3rd February 2008, 09:06 PM

You need to compile the asm code into a hex file which then gets loaded onto the pic. You can use MPLab to do this.

Update: Why not just take the .hex file from the site?

**Krumlink** · 3rd February 2008, 09:09 PM

Yes I saw that but would I save it as a .hex file and import to chip?

**Krumlink** · 3rd February 2008, 09:21 PM

This is what I got when I programmed it. I trust it will work?

Code:

MPLAB ICD 2 Ready
Programming Target...
...Validating configuration fields
ICDWarn0033: MPLAB ICD 2 does not support programming this device if both the internal oscillator and internal MCLR are selected.  You may continue programming, but you are encouraged to cancel, reconfigure your device, and try again.
...Erasing Part
...Programming Program Memory (0x0 - 0x28F)
Verifying...
...Program Memory
...Verify Succeeded
Programming Configuration Bits
.. Config Memory
Verifying configuration memory...
...Verify Succeeded
...Programming succeeded
03-Feb-2008, 16:14:12

MPLAB ICD 2 Ready

blueroomelectronics · 3rd February 2008, 09:30 PM

You should heed that warning, you may not be able to reprogram the PIC if you don't.
As long as it's the exact same PIC and the same target schematic it should work fine.

PS I looked at the schematic, and there was no need to force MCLR_OFF as he's tied MCLR to VDD.
PPS a 4.5V (3xAA) supply would be much easier to build than his switching design.

**Krumlink** · 3rd February 2008, 09:33 PM

I erased the PIC and programmed it, so I guess it works?

**Krumlink** · 3rd February 2008, 09:36 PM

Ok thanks hooray.

**Krumlink** · 3rd February 2008, 09:40 PM

Before I build this thing, any important things to say?

what about the stuff in red? Should I build that too?
Does the code look ok?

Well I will let you know here in one moment how it turned out...

**Krumlink** · 3rd February 2008, 09:44 PM

Actually I don't Know if I programmed it correctly. I copied the hex file and saved it as a hex file, but it still says it's a hex.txt file. Can you turn it into a hex so I don't kill the pic with random stuff?

blueroomelectronics · 3rd February 2008, 09:53 PM

Change
__CONFIG 3F18h
to
__CONFIG 3F38h

That should get rid of the warning.

**Krumlink** · 3rd February 2008, 09:59 PM

I cannot get the asm file to work. I am getting 318 Errors when I cut and paste the code into MPLAB. How do I get it working. SKYPE?

**Nigel Goodwin** · 3rd February 2008, 09:59 PM

Quote:

Originally Posted by blueroomelectronics

You should heed that warning, you may not be able to reprogram the PIC if you don't.

Actually not, the diagram is marked with MCLR not connected if you use a 16F628, although you obviously could connect it and modify CONFIG accordingly.

**Krumlink** · 3rd February 2008, 10:01 PM

ok, I put the hex into MPLAB and saved it as a hex file. I then programmed the chip and I am hoping it will work.

**Krumlink** · 3rd February 2008, 10:03 PM

ok here is what my screen looks like. Does everything look correct? I saved it as a hex file and It should work. I imported the hex file and pressed program. This is where I am at right now. I AM NOT USING THE ASM SO DON'T BOTHER WITH THAT.

blueroomelectronics · 3rd February 2008, 10:06 PM

Quote:

Originally Posted by Nigel Goodwin

Actually not, the diagram is marked with MCLR not connected if you use a 16F628, although you obviously could connect it and modify CONFIG accordingly.

I thought the red wire on RA5/MCLR meant it was connected.

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3rd February 2008, 09:01 PM	(permalink)
Krumlink	PIC16F628A Simon Says Game I was looking online for simple PIC Projects, and I found this http://www.talkingelectronics.com/pr...n/SimonP3.html. I was wondering how would I program the chip? I saw the asm code, but any tips on how I would go about doing that? Would I just save as a asm file and import to chip (using Inchworm+) __________________ MechTronics World of Warcraft is a disease

3rd February 2008, 09:06 PM	(permalink)
gregmcc	You need to compile the asm code into a hex file which then gets loaded onto the pic. You can use MPLab to do this. Update: Why not just take the .hex file from the site?

3rd February 2008, 09:09 PM	(permalink)
Krumlink	Yes I saw that but would I save it as a .hex file and import to chip? __________________ MechTronics World of Warcraft is a disease

3rd February 2008, 09:30 PM	(permalink)
blueroomelectronics	You should heed that warning, you may not be able to reprogram the PIC if you don't. As long as it's the exact same PIC and the same target schematic it should work fine. PS I looked at the schematic, and there was no need to force MCLR_OFF as he's tied MCLR to VDD. PPS a 4.5V (3xAA) supply would be much easier to build than his switching design. __________________ Bill Smart Kits build Smart People http://www.blueroomelectronics.com Last edited by blueroomelectronics; 3rd February 2008 at 09:32 PM.

3rd February 2008, 09:33 PM	(permalink)
Krumlink	I erased the PIC and programmed it, so I guess it works? __________________ MechTronics World of Warcraft is a disease

3rd February 2008, 09:36 PM	(permalink)
Krumlink	Ok thanks hooray. __________________ MechTronics World of Warcraft is a disease

3rd February 2008, 09:40 PM	(permalink)
Krumlink	Before I build this thing, any important things to say? what about the stuff in red? Should I build that too? Does the code look ok? Well I will let you know here in one moment how it turned out... __________________ MechTronics World of Warcraft is a disease

3rd February 2008, 09:44 PM	(permalink)
Krumlink	Actually I don't Know if I programmed it correctly. I copied the hex file and saved it as a hex file, but it still says it's a hex.txt file. Can you turn it into a hex so I don't kill the pic with random stuff? __________________ MechTronics World of Warcraft is a disease

3rd February 2008, 09:53 PM	(permalink)
blueroomelectronics	Change __CONFIG 3F18h to __CONFIG 3F38h That should get rid of the warning. __________________ Bill Smart Kits build Smart People http://www.blueroomelectronics.com

3rd February 2008, 09:59 PM	(permalink)
Krumlink	I cannot get the asm file to work. I am getting 318 Errors when I cut and paste the code into MPLAB. How do I get it working. SKYPE? __________________ MechTronics World of Warcraft is a disease

3rd February 2008, 10:01 PM	(permalink)
Krumlink	ok, I put the hex into MPLAB and saved it as a hex file. I then programmed the chip and I am hoping it will work. __________________ MechTronics World of Warcraft is a disease