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  Topic: set port for 16f873
arys

Replies: 5
Views: 7719

PostForum: General CCS C Discussion   Posted: Thu Mar 06, 2008 6:25 pm   Subject: set port for 16f873
forgot to tell you. when i use
--> #include <16F877A.h>
no error in output box
  Topic: set port for 16f873
arys

Replies: 5
Views: 7719

PostForum: General CCS C Discussion   Posted: Thu Mar 06, 2008 6:22 pm   Subject: set port for 16f873
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 ...
  Topic: set port for 16f873
arys

Replies: 5
Views: 7719

PostForum: General CCS C Discussion   Posted: Wed Mar 05, 2008 11:17 pm   Subject: set port for 16f873
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
...
  Topic: PIC's variable changing through PC
arys

Replies: 15
Views: 14018

PostForum: General CCS C Discussion   Posted: Tue Mar 04, 2008 3:31 am   Subject: PIC's variable changing through PC
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 ...
  Topic: PIC's variable changing through PC
arys

Replies: 15
Views: 14018

PostForum: General CCS C Discussion   Posted: Wed Feb 20, 2008 4:00 am   Subject: PIC's variable changing through PC
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?
  Topic: PIC's variable changing through PC
arys

Replies: 15
Views: 14018

PostForum: General CCS C Discussion   Posted: Tue Feb 19, 2008 3:39 am   Subject: see output/result
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 ...
  Topic: PIC's variable changing through PC
arys

Replies: 15
Views: 14018

PostForum: General CCS C Discussion   Posted: Thu Feb 14, 2008 2:58 am   Subject: generate ~16khz pulses ???
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. ...
  Topic: Rx problem
arys

Replies: 2
Views: 3162

PostForum: General CCS C Discussion   Posted: Wed Jan 23, 2008 10:04 pm   Subject: Rx problem
sorry...
just delete the post. I will not do it again.
  Topic: lost in string receiving
arys

Replies: 1
Views: 3620

PostForum: General CCS C Discussion   Posted: Tue Jan 22, 2008 3:05 am   Subject: lost in string receiving
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 ...
  Topic: Rx problem
arys

Replies: 2
Views: 3162

PostForum: General CCS C Discussion   Posted: Mon Jan 21, 2008 3:52 am   Subject: Rx problem
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 ...
  Topic: Very simple Q about output
arys

Replies: 9
Views: 8546

PostForum: General CCS C Discussion   Posted: Mon Jan 21, 2008 3:40 am   Subject: Very simple Q about output
thanks PCM. I've change to output_b(0b00000001). then its OK.
  Topic: Very simple Q about output
arys

Replies: 9
Views: 8546

PostForum: General CCS C Discussion   Posted: Sun Jan 20, 2008 7:50 pm   Subject: Very simple Q about output
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)
{
...
  Topic: Very simple Q about output
arys

Replies: 9
Views: 8546

PostForum: General CCS C Discussion   Posted: Sun Jan 20, 2008 6:58 pm   Subject: Very simple Q about output
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 ...
  Topic: Very simple Q about output
arys

Replies: 9
Views: 8546

PostForum: General CCS C Discussion   Posted: Sat Jan 19, 2008 9:43 pm   Subject: Very simple Q about output
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 ...
  Topic: Very simple Q about output
arys

Replies: 9
Views: 8546

PostForum: General CCS C Discussion   Posted: Thu Jan 17, 2008 7:26 pm   Subject: Very simple Q about output
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 ...
 
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