Interactive serial interface for sending commands to an embedded system using serial communications. This will be helpful if you want to send commands to serial port and be able to correct the wrong text entered at the terminal

Dependencies:   mbed

Revision:
0:97014197b0d4
Child:
1:e71563467f24
diff -r 000000000000 -r 97014197b0d4 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Jun 07 06:04:30 2017 +0000
@@ -0,0 +1,53 @@
+#include "mbed.h"
+/*
+    COPYWRITE Mariwan Jalal
+    This function will take a string from the terminal and save it in a buffer. 
+    The string is editable during the time user input the string.
+    This will be useful if any one want to have an interactive interface for an application.
+    USE ON YOUR RESPONSIBILITY .. NO WARANTY .. FREE SOFTWARE
+
+*/
+
+#define MAX_LENGTH_OF_THE_STRING   256                    //Change this line to get longer string.
+#define   BAUD_RATE_              9600                    // Serial Terminal baudrate
+Serial pc(USBTX, USBRX);
+
+void GetStringFromSerial(char (& stringBuf) [256])
+{
+    pc.printf("Echoes back to the screen anything you type\n");
+    int i=0;
+    while(i<MAX_LENGTH_OF_THE_STRING) {
+        stringBuf[i]=pc.getc();
+        if(stringBuf[i]=='\n') {
+            stringBuf[i]='\0';
+            i--;
+            if(stringBuf[i]=='\r') {
+                        stringBuf[i]='\0';
+            }
+            return;
+        }
+        if(stringBuf[i]=='\b') {
+            pc.puts("\b \b");
+            stringBuf[i]='\0';
+            i--;
+            stringBuf[i]='\0';
+            i--;
+        } else {
+            pc.putc(stringBuf[i]);
+        }
+        i++;
+    }
+}
+int main()
+{
+    pc.baud(BAUD_RATE_);   // DEFAULT IS 9600, THIS IS JUST FOR NOTIFICATION FOR THE READER.
+    char g[MAX_LENGTH_OF_THE_STRING];
+    memset (g,'\0',MAX_LENGTH_OF_THE_STRING);
+    while (1) {
+        memset (g,'\0',MAX_LENGTH_OF_THE_STRING);
+        GetStringFromSerial(g);
+        pc.printf("\n");
+        pc.printf(g);
+        pc.printf("\n");
+    }
+}
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