Juan Carlos Rodriguez / Mbed 2 deprecated serial_sendreceive

Serial communication. send and receive.

Dependencies:   mbed TextLCD

Files at this revision

API Documentation at this revision

Revision 0:6c9ad71dd3b9, committed 2012-06-17

Comitter:
nobuki
Date:
Sun Jun 17 03:39:19 2012 +0000
Commit message:
Version 1

Changed in this revision

TextLCD.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TextLCD.lib	Sun Jun 17 03:39:19 2012 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/simon/code/TextLCD/#44f34c09bd37

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Jun 17 03:39:19 2012 +0000
@@ -0,0 +1,76 @@
+#include "mbed.h"
+#include "TextLCD.h"
+
+#define READBUFFERSIZE (32)
+
+Serial g_serial(USBTX, USBRX);
+TextLCD g_lcd(p15, p16, p17, p18, p19, p20);  // RS, E, DB4, DB5, DB6, DB7
+
+int ReadLineString( Serial& serial,
+                    char szReadBuffer[], const int ciReadBufferSize, int& riIndexChar,
+                    char szLineString[], const int ciLineStringSize )
+{
+    while( 1 )
+    {
+        if( !serial.readable() )
+        {
+            break;
+        }
+        char c = serial.getc();
+        if( '\r' == c  )
+        {
+            szReadBuffer[riIndexChar] = '\0';
+            strncpy( szLineString, szReadBuffer, ciLineStringSize - 1 );
+            szLineString[ciLineStringSize - 1] = '\0';
+            riIndexChar = 0;
+            return 1;
+        }
+        else if( '\n' == c )
+        {
+            ;
+        }
+        else
+        {
+            if( (ciReadBufferSize - 1) > riIndexChar )
+            {
+                szReadBuffer[riIndexChar] = c;
+                riIndexChar++;
+            }
+        }
+    }
+
+    return 0;
+}
+
+int main()
+{
+    // setup
+    g_serial.baud(9600);
+    wait(0.001);
+    g_lcd.cls(); wait(0.001);
+    g_lcd.printf( "(ready)" );
+    
+    // loop
+    int iCounter = 0;
+    char szReadBuffer[READBUFFERSIZE] = "";
+    int iIndexChar = 0;
+    while(1)
+    {
+        // send
+        g_serial.printf( "%d\n", iCounter );
+        iCounter++;
+        wait(1.0);
+        
+        // read
+        char szLineString[READBUFFERSIZE];
+        if( !ReadLineString( g_serial, 
+                             szReadBuffer, READBUFFERSIZE, iIndexChar,
+                             szLineString, READBUFFERSIZE ) )
+        {
+            continue;
+        }
+        g_lcd.cls(); wait(0.001);
+        g_lcd.locate(0, 0);
+        g_lcd.printf( szLineString );
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Sun Jun 17 03:39:19 2012 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/737756e0b479