Search found 31 matches

forgot to tell you. when i use
--> #include <16F877A.h>
no error in output box

drh ; I did set_tris_b(0x00); but the output box said error. s'thing involved with declaration. Still dont know. very simple codes.

Ttelmah; here are the codes.

#define (_PCM_)
#include ...

hi.
I want to set port b as output port.
here are the code. but it doesnt work. does anybody know? it only work if output_high(PIN_Bx). I do not understand?

#byte PORTB=0x06
#byte PORTC=0x07
...

yes, it's initial value. then i hope i can change the x value through pc.

Which pin of the pic is the output?can i set myself for example port b0 as our output?
--> actually we can each pin ...

many thanks. I try to use siow but nothing happen. what i did was, open siow --> open file **.c --> send hex number.
How to use siow correctly?

thanks D-Kens. I add few function. seems like it work.
c_ptr=&c;
strcpy(string,c_ptr);
x=atoi(string);

but how can I see the result of x, since I only have CCS and M ...

Hi, thanks for the ideas. I've tried out. but its not work. when I send any 0-255 from VB it generates ~16kHz. then it doesnt want to change the second value (from VB). seems like int_rda doesnt work. ...

sorry...
just delete the post. I will not do it again.

Hi..
I'm working with sending string from pc to PIC to get the whole string. I tried many ways but seems like silly. I think I already ask before and thanks to give me suggestion but still I can not ...

Hi.
as I know PIC receive 8bit character at Rx. But i want PIC receive string from PC. I'm using getc() function to get string input and it's not work. Is there any function could convert or receive ...

thanks PCM. I've change to output_b(0b00000001). then its OK.

but when i change to this code, only pinB5 ON only for 1s.
set_tris_b(0x00); //set port b as output
output_b (0x00); //init all output pins as low
while(1)
{
...

thanks. thats clear.
since getc() return character but I need the binary (ascii) number. so, i have to convert the 8bit character to 8bit integer. is it correct?
I look into sprintf(), printf() but ...

thanks for the ideas. For beginning I start with very simple code. I try to send byte data from VB (which I use mscomm1.output=chr$(XX)). and received by PIC trough port B (which I set up Port B as ou ...

for information, i'm using 16f873 and max232 to interface to PC. Is it possible to send and receive 2 variables from PC to PIC and run at the same time. if not, how to change 2 variables in PIC from V ...