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ecmc_plugin_grbl/ecmcPluginGrbl.c

@@ -177,6 +177,8 @@ int grblConstruct(char *configStr)
   // test some commands
   printf("Test command:G0X10Y100\n");
   ecmc_write_command_serial("G0X10Y100\n");
+  printf("Test command:G1X20Y200F20\n");
+  ecmc_write_command_serial("G1X20Y200F20\n");
   //printf("Test command:$J=X10.0Y-1.5\n");
   //ecmc_write_command_serial("$J=X10.0Y-1.5\0");
   //printf("Test command:#\n");

grbl/stepper.c

@@ -229,7 +229,10 @@ void *ecmc_dummy_thread(void *ptr) {
   
   while (stepperInterruptEnable) {    
     for(int i=0; i < 30; i++) {
-      ecmc_grbl_main_rt_thread();
+      if(!stepperInterruptEnable) {
+        break;
+      }
+      ecmc_grbl_main_rt_thread();      
     }
     printf("%s:%s:%d Positions(x,y,z)=%d,%d,%d..\n",__FILE__,__FUNCTION__,__LINE__,sys_position[X_AXIS], sys_position[Y_AXIS],sys_position[Z_AXIS] );
     delay_ms(1);
@@ -439,6 +442,7 @@ void ecmc_grbl_main_rt_thread()
 
     } else {
       // Segment buffer empty. Shutdown.
+      printf("Segment buffer empty!!!!!!!!!!!!!!!!!!!!!");
       st_go_idle();
       #ifdef VARIABLE_SPINDLE
         // Ensure pwm is set properly upon completion of rate-controlled motion.

grbl/stepper.h

@@ -23,7 +23,7 @@
 #define stepper_h
 
 #ifndef SEGMENT_BUFFER_SIZE
-  #define SEGMENT_BUFFER_SIZE 6
+  #define SEGMENT_BUFFER_SIZE 32
 #endif
 
 // Initialize and setup the stepper motor subsystem