EB005 LCD module - problem with XTAL

[d2squared]

Hello everyone!

I hope this finds you well. I'm very new to E-blocks, more comfortable with assembler and building my own circuit. however, I have a coursework to complete with E-blocks I have to display some messages on the EB005 LCD block and so I went through the example 5 on "C for 16 series PICmicro MCUs". the setup page instruct to flick switch S2 on the Multiprogrammer (EB006) to XTAL, switch S1 can be left in any position; in the code the compiler knows that the clock frequency is 19.66MHz (#pragma CLOCK_FREQ 1966...) and the PIC is configured to use a High-Spped crystal oscillator (HS).
Both E-blocks are powered up via the power supply. all other jumpers have been positioned according to the setup and I'm using a PIC16F877A (also the device select in SourceBoot C is the POC16F877A).
The code builds, compiles, links successfully. I'm also able to program the EB006. however it doesn't work! the only way to make it working is to flick s2 to RC and S1 to FAST.

does anyone know why it's doing that?

Thank you!

[JohnCrow]

Hi
Not sure if you can to use flowcode for your project, but it sounds as though you dont have the clock set correctly.
i.e you are using the RC setting rather than crystal.

Have a look at my simple example. You will be able to use this in the free version of FC5 and so test your hardware

HelloWorld.fcf

(6.5 KiB) Downloaded 315 times

Please dont double post the same type of question

[Enamul]

Hello

It is always good to test any EB board with the factory test hex file. I am posting here the hex file with instruction in word file how to test it..Hopefully it will help you.

[d2squared]

Hi John.

thank you for the swift reply! unfortunately I can't use FC for my project ... I have tried your FC5 example but no luck. I have tried flicking the switches to all different position and I have also tried to loop the two macros but nothing is happening. for my project the clock setting are crucial as I have to use stepper motors. I have done a similar project a few years ago in assembler. I was hoping using C compiler would have been easier but it doesn't look like it.

thanks again

Hi
Not sure if you can to use flowcode for your project, but it sounds as though you dont have the clock set correctly.
i.e you are using the RC setting rather than crystal.

Have a look at my simple example. You will be able to use this in the free version of FC5 and so test your hardware

HelloWorld.fcf

Please dont double post the same type of question

[d2squared]

hi enamul,

thanks for the swift reply. I have tried the factory test routine and it's working. I have used the FCF file. at first it gave me a warning: "Unable to create microcontroller 18F550 as the definition file 18F550.FCD is missing or corrupt. [0x201]" ... is it because I'm using the free version of FC5?

thank you

Hello

It is always good to test any EB board with the factory test hex file. I am posting here the hex file with instruction in word file how to test it..Hopefully it will help you.

[Enamul]

Here is the code with PIC16f877a which can be used with Flowcode free version.

[d2squared]

works like a charm! thank you ever so much for that. I think I understood what's going on here: I believe it has to do with the installation of the various softwares and drivers. I have removed and reinstalled PPPv3 (installed version v3.9) and FC5 for PIC (free version). thus I opened PPPv3 and configured the target device, specifying the oscillator I intend to use (XTAL). as I was not able to compile to chip with PPPv3 opened, I closed it and it worked! now I have to figure out how to make Source Boost work ... any idea enamul?

Here is the code with PIC16f877a which can be used with Flowcode free version.