Matrix user forums

Hello Using 18F66K22 (internal osc 16mhz)with FC5....need to use baud rate of 115200. In RS232 panel settings i have set the "custom" baudrate to 115200. But, the baud rate is not correct. Checked by sending string from Uart1/2 to Hyperterminal. Only get garbled chars..... Tried same test with diffe...

Hi Martin

You are absolutely correct!.....Completely forgot about that. Bits for bits
and bytes for ports

Thank you for your complete and lengthy answer!

Mark

Hello I have a problem with the mask output function for Port B on a 18F66K22. I have selected RB1 to RB5 in the mask to output there only. If i run the program on the chip (Internal osc / 16mhz) it will not turn on/off the leds on that port. If i drive the port output in single bit mode then it wor...

Hi Ben, That did the trick thanx :D My apologies for asking for rapid answer, had unusually tight deadline. This project is now complete, and will be moving onto FC V5...yay! Consider that another sale in the bag for MM :D For all those observing this thread, you may use this latest attached interna...

Hi Ben

Any further progress on the fix for the corrupt 6th digit when doing
7 digit string?

If we can sort that out it will be champion

Thanx

Mark

Hi Ben Big improvement! I can now get up to 6 whole digits.... however, i still need 7 to 8 digits....if i goto 1 million on the whole, it puts in odd char in digit 6...the zero following the 1 as in 1 millon I am actually testing on 18F2620 with 232 chip to hyperterm. Everything works great but see...

Hi Ben

Simple float to str test program

Mark

Hi Ben I had an idea the internals needed some surgery :) anyway, i did try with new internals file but it gives compile error.... Float_test3.c Starting preprocessor: c:\PROGRA~1\MATRIX~1\FLOWCO~2\boostc\pp.exe Float_test3.c -i c:\PROGRA~1\MATRIX~1\FLOWCO~2\boostc\include -d _PIC18F2610 -la -c2 -o ...

Hi Ben and other guys Got a major problem. Using FC4 and just about finished my program/project....with a hiccup at 12th hour. The project calls for sending a string out the serial port that is generated from float calculations. I did see a post somewhere that the float to string is internally limit...

Hi Martin Thanx for the link for the pic16/18 compiler options....seems like FC is doing this automatically. However, i think there is a bug with the float to string function. If the resultant float calculation is larger than integer, then the float to string result (sent as string to 232 port), is ...

Hello Using FC4 with 18F device. Something i noticed which is not in any manual etc is that even though i have selected 18F device as the processor, the compiler options remain set as "pic16" type. Should it not be set to "pic18" type? Seems logical that there are are obvious differences with the tw...

Hello Using FC4....have string declared as 255 array. At some point in my program i pad the remaining elements of the string with null char (0x00). However when i send the string to the 232 component to print, i get all the other data except the remaining padded elements of 0x00. If i pad the remain...

Hi Ben

OK...so it seems we are heading to get V5

In the meanwhile, if you got something for string functions to work with V4 then great.

Thanx for the support

Mark

Hi Ben Considering your last answer on this subject, i have a few more questions pls: 1. In FC V4 i got the idx2 etc working with larger arrays no problem...however i am now using string functions etc in the program and as you mentioned in the previous post these are compiled for idx1. So therefore ...

Hi Ben, Thanx for coming to the rescue again :) It makes sense what you saying, will give it a bash. I do know from previous experience on other compilers that "soft" TX is pretty much reliable....almost same as hardware TX. Its the "soft" RX that gets tricky (not using that at all for obvious reaso...

Hi guys I have a question about the uart macro in FC4, with respect to the hardware and "soft" uart options. The situation is i will be receiving and sending data on the hardware TX/RX, but also need another TX on some other i/o pin. So the question is, if i enable hardware uart for the normal TX/RX...

Hi Ben,

That did the trick thanx!

Much appreciated.

Mark

Hi Ben, Great information there thanx. I have declared the one array as having 300 members, and with the new compiler options it gets so far as correctly doing the pre-processor part successfully, but when it gets to the linker part things fall apart. It seems to have an error reference to some I_St...

Thanx Ben

Is it possible for you to test / look into, the possibility of this method working
with FC V4?

I am going to go FC V5 soon, just wanted to know if V4 can do this in the meantime?
( I tried the - idx 2 setting and not working on V4 it seems)

Thanx for the gr8 support

Mark

Nice one Ben,

I tried changing the parameters on FC4...does not work. Would it work on FC4?
Is FC5 using same BoostC revision?

Anyway, drinks on the house to ya

Hi Ben Actually from what i can see, the Mikro compilers allow it to be that easy :) Another mate of mine uses the CCS pic compiler and he says that the compiler automatically handles the memory paging. Does FC V5 have the same constraints? I am considering going to V5........ In the meantime, i set...

Hi Ben

looking at datasheet now, i realise this to be the case. Your suggestion will fit the bill
Thanx for your advice once again!

Mark

Hello Using 18F2620 which has about 4k static memory. I need about 2k size array , but the variable can only hold 256 members (error at compile time). Is there any way to extend the array size declared? I imagine the array is managed in FC with 8bit value.....16bit would have been ideal :( Thanx in ...

Hi Enamul

Thanx for confirming this about interrupt flags etc....

I suspected that smething like this was been done, otherwise the interrupt would be re-cursive all the time.

Thanx

Mark

Hello Using 18F2620 to capture 8bit data on port using strobe on INT0. Does the FC interrupt macro clear the interrupt flag automatically when entering the ISR (interrupt service routine)? Also, does it automatically re-enable the INT0 when exiting the ISR? Reason, i ask is that using interrupts bef...