Diff: Terminal.cpp

Revision:

3:3c2cc2ea12a9

Parent:

2:e47cc8c92b3f

Child:

4:4bcb955b81f3

--- a/Terminal.cpp	Wed Aug 01 23:51:08 2012 +0000
+++ b/Terminal.cpp	Thu Aug 02 02:08:48 2012 +0000
@@ -1,86 +1,88 @@
-#include "Terminal.h"
-#include "mbed.h"
-#include <cctype>
-#include <cstring>
-
-
-
-Terminal::Terminal(PinName tx, PinName rx, int baudrate) : serial(tx, rx)
-{
-    // Initialize certain values
-    numCommands = 0;
-    for (int i = 0; i < NUM_COMMANDS_MAX; i++)
-    {
-        cmdList[i].stringLength = 0;
-    }
-    
-    // Set up serial connection
-    serial.baud(baudrate);
-    serial.attach(this, &Terminal::receive, Serial::RxIrq);
-    serial.printf("\n> ");
-}
-
-
-
-void Terminal::addCommand(const char* cmdString, void (*fpointer)(Serial&, const char*) )
-{
-    if (numCommands < NUM_COMMANDS_MAX)
-    {
-        strncpy(cmdList[numCommands].cmdString, cmdString, INPUT_BUFFER_MAX);
-        cmdList[numCommands].cmdString[INPUT_BUFFER_MAX - 1] = '\0'; // Make sure that the command string is null terminated
-        cmdList[numCommands].stringLength = strlen(cmdList[numCommands].cmdString);
-        cmdList[numCommands].fpointer = fpointer;
-        numCommands++;
-    }
-    else
-    {
-        serial.printf("error: too many commands");
-    }
-}
-
-
-
-void Terminal::receive()
-{
-    char c = serial.getc();
-    int len = strlen(inputBuffer);
-    
-    if (isprint(c))
-    {
-        if (len < INPUT_BUFFER_MAX - 1)
-        {
-            inputBuffer[len] = c;
-            inputBuffer[len + 1] = '\0';
-            serial.putc(c);
-        }
-    }
-    else if (c == '\b' || c == 127) // Backspace
-    {
-        if (len > 0)
-        {
-            inputBuffer[len - 1] = '\0';
-            serial.printf("\b \b");
-        }
-    }
-    else if (c == '\n')
-    {
-        serial.putc('\n');
-        
-        // Try to match the input string to a command, and call the associated function if a match is found
-        for (int i = 0; i < NUM_COMMANDS_MAX; i++)
-        {
-            if (cmdList[i].stringLength && !strncmp(inputBuffer, cmdList[i].cmdString, cmdList[i].stringLength))
-            {
-                cmdList[i].fpointer(serial, inputBuffer);
-                goto foundCommand;
-            }
-        }
-        
-        // No match was found
-        serial.printf("unrecognized command");
-        
-        foundCommand:
-        serial.printf("\n> ");
-        inputBuffer[0] = '\0'; // Clear the input buffer
-    }
+#include "Terminal.h"
+#include "mbed.h"
+#include <cctype>
+#include <cstring>
+
+
+
+Terminal::Terminal(PinName tx, PinName rx, int baudrate) : serial(tx, rx)
+{
+    // Initialize certain values
+    numCommands = 0;
+    for (int i = 0; i < NUM_COMMANDS_MAX; i++)
+    {
+        cmdList[i].stringLength = 0;
+    }
+    
+    // Set up serial connection
+    serial.baud(baudrate);
+    serial.attach(this, &Terminal::receive, Serial::RxIrq);
+    serial.printf("\n> ");
+}
+
+
+
+void Terminal::addCommand(const char* cmdString, void (*fpointer)(Serial&, const char*) )
+{
+    if (numCommands < NUM_COMMANDS_MAX)
+    {
+        strncpy(cmdList[numCommands].cmdString, cmdString, INPUT_BUFFER_MAX);
+        cmdList[numCommands].cmdString[INPUT_BUFFER_MAX - 1] = '\0'; // Make sure that the command string is null terminated
+        cmdList[numCommands].stringLength = strlen(cmdList[numCommands].cmdString);
+        cmdList[numCommands].fpointer = fpointer;
+        numCommands++;
+    }
+    else
+    {
+        serial.printf("error: too many commands");
+    }
+}
+
+
+
+void Terminal::receive()
+{
+    char c = serial.getc();
+    int len = strlen(inputBuffer);
+    
+    if (isprint(c))
+    {
+        if (len < INPUT_BUFFER_MAX - 1)
+        {
+            inputBuffer[len] = c;
+            inputBuffer[len + 1] = '\0';
+            serial.putc(c);
+        }
+    }
+    else if (c == '\b' || c == 127) // Backspace
+    {
+        if (len > 0)
+        {
+            inputBuffer[len - 1] = '\0';
+            serial.printf("\b \b");
+        }
+    }
+    else if (c == '\n')
+    {
+        serial.putc('\n');
+        
+        bool matchFound;
+        
+        // Try to match the input string to a command, and call the associated function if a match is found
+        for (int i = 0; i < NUM_COMMANDS_MAX; i++)
+        {
+            if (cmdList[i].stringLength && !strncmp(inputBuffer, cmdList[i].cmdString, cmdList[i].stringLength))
+            {
+                cmdList[i].fpointer(serial, inputBuffer);
+                matchFound = true;
+                break;
+            }
+        }
+        
+        // No match was found
+        if (!matchFound) serial.printf("unrecognized command");
+        
+        serial.printf("\n> ");
+        inputBuffer[0] = '\0'; // Clear the input buffer
+    }
 }
\ No newline at end of file