Merge chamnit/v0_7 with grbl/master

main.c

@@ -20,33 +20,36 @@
 
 #include <avr/io.h>
 #include <avr/sleep.h>
+#include <avr/interrupt.h>
 #include <util/delay.h>
+#include "config.h"
 #include "planner.h"
 #include "stepper.h"
 #include "spindle_control.h"
 #include "motion_control.h"
 #include "gcode.h"
-#include "serial_protocol.h"
+#include "protocol.h"
+#include "limits.h"
 
 #include "settings.h"
-#include "wiring_serial.h"
-
-// #ifndef __AVR_ATmega328P__
-// #  error "As of version 0.6 Grbl only supports atmega328p. If you want to run Grbl on an 168 check out 0.51 ('git co v0_51')"
-// #endif
+#include "serial.h"
 
 int main(void)
 {
-  sp_init();        
+  sei(); // Enable interrupts
+  
+  serial_init(BAUD_RATE);
+  protocol_init();        
   settings_init();  
   plan_init();      
   st_init();        
   spindle_init();   
-  gc_init();        
+  gc_init();
+  limits_init();
                     
-  for(;;){
-    sleep_mode(); // Wait for it ...
-    sp_process(); // ... process the serial protocol
+  while (1) {
+//     sleep_mode(); // Wait for it ...
+    protocol_process(); // ... process the serial protocol
   }
   return 0;   /* never reached */
 }