Search found 15 matches

I have a simple 4 slave one master on an I2C bus (all are pic 18f258 devices) The slaves are all working fine when receiving bytes sent to their individual address's.
However from time to time I ...

Ok thank you for the advice on using GLOBAL only , I don't use the Port B interrupt only timers and RDA and when doing fast data exchanges the timer values are about to change and therefore the inter ...

My Compiler is PCWHD 4.141 , all I am doing is as I have described turning off several ints and back on again in the order I have described , if one never turns off the interrupts then I suppose its ...

Having had many months of intermittent problems with INT_RDA occasionally not working on a PIC18F258 device and reading many posts of similar apparently unresolved INT_RDA not working problems, I have ...

hello
I have searching the forum looking for various topics and today I came across a topic I had been looking for months ago and the original poster was told to enter a certain string and press sea ...

Could some one please show how the passing of variables is achieved between a Pic c program and an inline #ASM routine and perhaps how we can get ASM modified variables back into the C program once ag ...

Ok thanks I have seen that the setup wdt statement must be after the restart cause function read as this also destroys the status bits i have now got the program more or less working but my problem wa ...

Trying for first time to get a wdt working on an 16F876. Used the standard methods of enabling the watch dog timer and setting a switch statement after main () to see what the cause of the reboot was ...

Many thanks the re install did the trick I was missing some defines in the 16f876.h file see below
THank you for all your help I am sorted now best wishes Dara

/////////////////// Useful defines
...

thanks for that
I am sorry but I have done all you have suggested commented out removed the two defines and adjusted the fputc line to the correct format as fputc('$',RAD);
an ...

I remove those two defines and leave them as two different streams defined in the two #use rs232 statements however that is not the issue...

the issue for me is the compiler doesnt recogniZe the c ...

that fputc statement should read

fputc('$',RAD);

THat fputc should read fputc("S",RAD); single character send using fputc

My compiler version is 3.181

see test.c below if i change the fputc statement to a putc or a printf statement it compiles without error if i try and use either fputc or fprintf it comes up with fp ...

Hello
I am trying to set up two serial streams with a 16F876 standard UART
and a second software defined serial port defined as a second stream
therefore I am using putc and printf for char and ...