USBDemo, something to learn USB a little bit

[Darrel Taylor]

Apparently, I missed the CONFIG2L.
I always miss that one, weird ...

   __CONFIG    _CONFIG2L, _PWRT_ON_2L & _BOR_OFF_2L & _VREGEN_ON_2L

And try the HIDmonitor program from the .zip

When I said it works with Steve's original program, well it will, but it's not set up to send/receive the same analog values and switches/LED's. With HIDmonitor you should see when it connects and what data it's sending.

hth,

[jellis00]

[QUOTE=Darrel Taylor;80452]Apparently, I missed the CONFIG2L.
I always miss that one, weird ...

   __CONFIG    _CONFIG2L, _PWRT_ON_2L & _BOR_OFF_2L & _VREGEN_ON_2L

I made this _CONFIG change in the code. Compiles/assembles OK and appears to program the 18F4550 OK.

And try the HIDmonitor program from the .zip

When I said it works with Steve's original program, well it will, but it's not set up to send/receive the same analog values and switches/LED's. With HIDmonitor you should see when it connects and what data it's sending.

Tried both your HIDmonitor and Steve's VB6 routine after programming and power/resetting the 18F4550 . Although I hear a low "click" and see the USB icon appear in my WINDOWS tray when the USB cable is connected from the PC, I don't see any indication of the connection on the HIDmonitor or on Steve's VB6. And the USB icon disappears out of the tray about 10 secs after the next keyboard key or mouse button is pressed with no audible "click". Nor do I hear another "click" or see any visual indication of disconnect when USB cable is disconnected. Nor is there any indication of any communications on either the HIDmonitor or the VB6 window.

Do you have any suggestions how I might monitor what is happening in the code while running so I can debug? I don't have a usable ICD.

[Darrel Taylor]

Before I posted last time, I copied your program to MCS, added the config2L and changed my crystal to 8mhz.

It fired right up, and is still connected now.
It shows up as DT_HID (001) in HIDmonitor.

Do you have anything on RB0, RC1 or RC2.
I've got some Status outputs to LED's on those pins, that shows when it's connected and when it sends/receives data.

You did have the hardware working before right?
<br>

[jellis00]

Do you have anything on RB0, RC1 or RC2.
I've got some Status outputs to LED's on those pins, that shows when it's connected and when it sends/receives data.<br>

Thanks, Darrel...this led me to the problem. The EasyPic6 has dip-slide switches that let you connect LEDs to the A/E, B, C, and D ports for troubleshooting. I had the switch selected for Ports B and C. When I finally realized I needed to shut them off everything started working properly.

However, one question. I notice while running MisterE's VB6 monitor side-by-side with your DT_HID monitor I see the Rx data showing some variances. I have attached a screen-snapshot of this so you can see.

Notice in the screen snapshot that when when AN=123, AN0= 1023; when AN=51, AN0=510, and when AN=-4, AN0=0. Since both are receiving the same data as transmitted by the PIC, shouldn't the displayed values be equal in both monitors??? Don't understand this. Can you explain for me??

My next step is to figure out how to capture what appears in the DT_HID Rx data window into a text file or better yet into a spreadsheet. Any suggestions as to how to do this in the DT_HID code?,

[Darrel Taylor]

Great, I thought I lost you.

The program is sending different data than mister-e's PC program is expecting.
I guess my example was off thread, and I should make an example that does work with his GUI.

My next step is to figure out how to capture what appears in the DT_HID Rx data window into a text file or better yet into a spreadsheet. Any suggestions as to how to do this in the DT_HID code?,

In Delphi sure ... can't help with Visual Basic though.

It may even be easier with CDC and Hyperterminal.
Outputting the data in CSV format from the PIC, and capturing it with the terminal, makes it real easy to import into excel. But it does require user intervention.
If it's has to be automatic, HID's the way, whether it's DDE exchanges, or saving the file and importing to excel.

Anyhow, I'll go make a more appropriate demo for Steve's GUI.

BBL,

[Darrel Taylor]

OK, this program should work with Steve's original USBDemo GUI.

18F2550/4550, 8Mhz, DT_INTS-18, DT_HID260.

Cheers,

[jellis00]

OK, this program should work with Steve's original USBDemo GUI.

Darrel,
Everything compiles/assembles/programs in my EasyPic6 configuration with 18F4550 (8 MHz crystal), and it does run with Steve's VB6 GUI, but only for data from the PIC....data to PIC side of the GUI doesn't work. I double checked that I didn't have anytheng on the EasyPic6 connected to the pins you are using. See attached screen snapshot of the VB6 GUI that shows what is working and what isn't.

I also notice that when I remove the comments on the DEFINE statements for the status LEDs that they do not light during the PLUGGED, TX or RX actions are supposedly taking place that they are suppose to indicate.

I looked at your code and I couldn't see where the problem is. Any ideas??