From fc401e372045a728e182cd775e854a404de4bbe4 Mon Sep 17 00:00:00 2001
From: knolax <1339802534.kk@gmail.com>
Date: Thu, 21 Apr 2016 04:39:31 -0400
Subject: initial commit :x

---
 RS232/demo_rx.c | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 RS232/demo_rx.c

(limited to 'RS232/demo_rx.c')

diff --git a/RS232/demo_rx.c b/RS232/demo_rx.c
new file mode 100644
index 0000000..db9c41d
--- /dev/null
+++ b/RS232/demo_rx.c
@@ -0,0 +1,72 @@
+
+/**************************************************
+
+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=2,        /* /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);
+}
+
-- 
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