From 479abdfc5ffbaafa4b00f46cf589309dc0ec071b Mon Sep 17 00:00:00 2001
From: "Haoran S. Diao" <0@hairydiode.xyz>
Date: Sat, 13 Apr 2019 13:03:52 -0400
Subject: added RS-232 Library, also covered by the GPL

---
 RS-232/demo_tx.c | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 RS-232/demo_tx.c

(limited to 'RS-232/demo_tx.c')

diff --git a/RS-232/demo_tx.c b/RS-232/demo_tx.c
new file mode 100644
index 0000000..bd43fb4
--- /dev/null
+++ b/RS-232/demo_tx.c
@@ -0,0 +1,66 @@
+
+/**************************************************
+
+file: demo_tx.c
+purpose: simple demo that transmits characters to
+the serial port and print them on the screen,
+exit the program by pressing Ctrl-C
+
+compile with the command: gcc demo_tx.c rs232.c -Wall -Wextra -o2 -o test_tx
+
+**************************************************/
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#ifdef _WIN32
+#include <Windows.h>
+#else
+#include <unistd.h>
+#endif
+
+#include "rs232.h"
+
+
+
+int main()
+{
+  int i=0,
+      cport_nr=0,        /* /dev/ttyS0 (COM1 on windows) */
+      bdrate=9600;       /* 9600 baud */
+
+  char mode[]={'8','N','1',0},
+       str[2][512];
+
+
+  strcpy(str[0], "The quick brown fox jumped over the lazy grey dog.\n");
+
+  strcpy(str[1], "Happy serial programming!\n");
+
+  if(RS232_OpenComport(cport_nr, bdrate, mode))
+  {
+    printf("Can not open comport\n");
+
+    return(0);
+  }
+
+  while(1)
+  {
+    RS232_cputs(cport_nr, str[i]);
+
+    printf("sent: %s\n", str[i]);
+
+#ifdef _WIN32
+    Sleep(1000);
+#else
+    usleep(1000000);  /* sleep for 1 Second */
+#endif
+
+    i++;
+
+    i %= 2;
+  }
+
+  return(0);
+}
+
-- 
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