diff options
Diffstat (limited to 'RS-232/demo_rx.c')
-rw-r--r-- | RS-232/demo_rx.c | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/RS-232/demo_rx.c b/RS-232/demo_rx.c deleted file mode 100644 index 94bd8c3..0000000 --- a/RS-232/demo_rx.c +++ /dev/null @@ -1,72 +0,0 @@ - -/************************************************** - -file: demo_rx.c -purpose: simple demo that receives characters from -the serial port and print them on the screen, -exit the program by pressing Ctrl-C - -compile with the command: gcc demo_rx.c rs232.c -Wall -Wextra -o2 -o test_rx - -**************************************************/ - -#include <stdlib.h> -#include <stdio.h> - -#ifdef _WIN32 -#include <Windows.h> -#else -#include <unistd.h> -#endif - -#include "rs232.h" - - - -int main() -{ - int i, n, - cport_nr=0, /* /dev/ttyS0 (COM1 on windows) */ - bdrate=9600; /* 9600 baud */ - - unsigned char buf[4096]; - - char mode[]={'8','N','1',0}; - - - if(RS232_OpenComport(cport_nr, bdrate, mode)) - { - printf("Can not open comport\n"); - - return(0); - } - - while(1) - { - n = RS232_PollComport(cport_nr, buf, 4095); - - if(n > 0) - { - buf[n] = 0; /* always put a "null" at the end of a string! */ - - for(i=0; i < n; i++) - { - if(buf[i] < 32) /* replace unreadable control-codes by dots */ - { - buf[i] = '.'; - } - } - - printf("received %i bytes: %s\n", n, (char *)buf); - } - -#ifdef _WIN32 - Sleep(100); -#else - usleep(100000); /* sleep for 100 milliSeconds */ -#endif - } - - return(0); -} - |