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Hi all,

This week I did some upgrades in the software running in my board. (HW v3.01, SW v3.10)
I was able to upload the firmware for a few days, then suddenly it stopped responding to the Modtronix Network Bootloader.
When powering the board, nothing lights, blinks, whatever. Not even the ethernet port leds.

It has power, because I can mesure 4.96 v between pins 5 and 7 of the CON1 Daughter Board Connector, and also the connected LCD display (lcd2s-204) switches on and displays its startup text (which I then disconnected).
I tried changing the power supply, booting in safemode, even connected to the serial port with 57600/8-1-none.

Nothing…

Looks like its dead, or are there any chances left ?

There's a bug in the ADC setup in the mxwebsvr (see note @ DTN):

        //Check if current ADC channel (adcChannel) is configured to be ADC channel
        if (adcChannel < ((~ADCON1) & 0x0F))
        {
            //Convert next ADC Channel
            ADCON0 &= ~0x3C;
            ADCON0 |= (adcChannel << 2);

            ADCON0_ADON = 1;    //Switch on ADC
            ADCON0_GO = 1;      //Go
   
            while (ADCON0_GO) FAST_USER_PROCESS();                      //Wait for conversion to finish

            #if defined(APP_USE_ADC8)
            AdcValues[adcChannel] = ADRESH;
            #elif defined(APP_USE_ADC10)
            AdcValues[adcChannel] = ((WORD)ADRESH << | ADRESL;         //DTN - bug here, should be OR'd not '||'
            #endif
        }

See here : http://sourceforge.net/projects/small-device-os/files/sdsOS%20-%20Microchip%20PIC/Modtronix%20SBC44/

Check configuration bits (I'm not sure for SBC44), but overwriting Bootloader firmware without changing Config bits of hardware works...

Hi

I'm writing a framework for USB (CDC mode) communication, multitasking, command line and more...

It's still a little fuzzy but perhaps it can help you : http://sourceforge.net/projects/small-device-os/

Hi

For those that will change Bootloader version, you will find a modified HID Bootloader here :

http://sourceforge.net/projects/small-device-os/files/sdsOS%20-%20Microchip%20PIC/Modtronix%20SBC44/

If you try a "standard" ping from Linux (I'm using Fedora 13) , the SBC65EC will ignore it. This is because the Linux ping command has a default data length of 56 bytes. You can change the size of the data in the ping command by using the "-s" parameter. Setting it to 32 bytes will allow the ping to operate normally. Windows (XP at least) doesn't have the problem because it appears to default to 32 bytes.

If you use a network management tool you may run into this problem as well if it uses ping to check the health of the SBC.

Hi, well i was looking for some answers.......... but I fail, i hope you can help me,


First at all, I'm new with these sbc65ec, but i need to do a huge project with it.

My first question is an old one, that i saw over there but, the solution wasn't clear enoguh because of many people try to aswer different Questions at the same time.

I was trying to check the netbootloader, but the famous message " not JRE file was found" appear always, can you tell me how to fix that first.


My second question, as you can see, I'm a complete newbie, so i'm guessing if I want to program my sbc65ec, where i can do it and how upload the program to it, is there a compiler like un C++ or C or assambler? How can I upload my "test" program file to my PIC. I need to make some tests with de ADC, and some kind of web page auto-refreshing.



Some one here?? mods? admis??

Hello,
In my project, I will spare the energy as much as possible. The specs gives 420 mW at 7 VDC. But is it possible to power the SBC directly with 5 VDC at pins 7 and 5 of CON1? or this is risky and can damage the board?

Fantastic!   Really appreciate the guidance and specifics.  I'm on my way!

[How can I use my sbc65ec to monitor different voltage levels(12V,15V,20V)]

How can I use my sbc65ec to monitor different voltage levels(12V,15V,20V)