Adding switch command.

src/commands.c

@@ -10,10 +10,15 @@ cmd_t command = {
 	.index = 0
 };
 
+void cmd_mirror_char(char c)
+{
+	printf("%c", c);
+}
+
 void cmd_collect_char(char c)
 {
 	command.buf[command.index] = c;	
-	printf("%c", command.buf[command.index]);	
+	cmd_mirror_char(c);
 	command.index++;
 
 
@@ -42,6 +47,9 @@ void cmd_handle(cmd_t *command)
 
 	if (0 == strcmp(tok1, "set"))
 		cmd_handle_set(tok2, tok3);
+
+	if (0 == strcmp(tok1, "switch"))
+		cmd_handle_switch();
 }
 
 void cmd_handle_set(char *op1, char *op2) 
@@ -84,3 +92,13 @@ void cmd_handle_set(char *op1, char *op2)
 		}
 	}
 }
+
+void cmd_handle_switch(void)
+{
+	int state = 0;
+
+	PORTC ^= (1<<PC7);
+
+	state = PORTC & (1 << PC7);
+	printf("Pin state is %i\r\n", state);
+}

src/include/commands.h

@@ -3,6 +3,8 @@ typedef struct {
     int index;
 } cmd_t;
 
+void cmd_mirror_char(char c);
 void cmd_collect_char(char c);
 void cmd_handle(cmd_t *command);
 void cmd_handle_set(char *op1, char *op2);
+void cmd_handle_switch(void);