when i try to compile the sketch GCode_Interpreter.pde i keep getting this error:
'Serial' was not declared in this scope
this is the line it highlights line 70:
Serial.begin(19200);
here is the whole error
GCode_Interpreter.cpp: In function 'void setup()':
GCode_Interpreter:69: error: 'Serial' was not declared in this scope
GCode_Interpreter.cpp: In function 'void loop()':
GCode_Interpreter:82: error: 'Serial' was not declared in this scope
GCode_Interpreter:125: error: 'Serial' was not declared in this scope
GCode_Interpreter:131: error: 'Serial' was not declared in this scope
GCode_Interpreter:132: error: 'Serial' was not declared in this scope
GCode_Interpreter:147: error: 'Serial' was not declared in this scope
GCode_Interpreter.cpp: In function 'boolean Checksum(char*, int)':
GCode_Interpreter:193: error: 'Serial' was not declared in this scope
GCode_Interpreter.cpp: In function 'boolean ProcessComment(char*, int)':
processComment:6: error: 'Serial' was not declared in this scope
GCode_Interpreter.cpp: In function 'boolean ProcessGcode(char*, int)':
processGcode:95: error: 'Serial' was not declared in this scope
processGcode:104: error: 'Serial' was not declared in this scope
processGcode:126: error: 'Serial' was not declared in this scope
processGcode:130: error: 'Serial' was not declared in this scope
processGcode:134: error: 'Serial' was not declared in this scope
processGcode:138: error: 'Serial' was not declared in this scope
processGcode:141: error: 'Serial' was not declared in this scope
processGcode:154: error: 'Serial' was not declared in this scope
processGcode:159: error: 'Serial' was not declared in this scope
processGcode:200: error: 'Serial' was not declared in this scope
processGcode:245: error: 'Serial' was not declared in this scope
processGcode:257: error: 'Serial' was not declared in this scope
processGcode:266: error: 'Serial' was not declared in this scope
processGcode:277: error: 'Serial' was not declared in this scope
processGcode:288: error: 'Serial' was not declared in this scope
processGcode:299: error: 'Serial' was not declared in this scope
processGcode:308: error: 'Serial' was not declared in this scope
processGcode:317: error: 'Serial' was not declared in this scope
processGcode:325: error: 'Serial' was not declared in this scope
GCode_Interpreter.cpp: In function 'void DebugUnits()':
processGcode:333: error: 'Serial' was not declared in this scope
GCode_Interpreter.cpp: In function 'boolean ProcessMcode(char*, int)':
processMcode:19: error: 'Serial' was not declared in this scope
processMcode:32: error: 'Serial' was not declared in this scope
processMcode:45: error: 'Serial' was not declared in this scope
processMcode:57: error: 'Serial' was not declared in this scope
processMcode:69: error: 'Serial' was not declared in this scope
processMcode:83: error: 'Serial' was not declared in this scope
processMcode:95: error: 'Serial' was not declared in this scope
processMcode:107: error: 'Serial' was not declared in this scope
GCode_Interpreter.cpp: In function 'void process_string(char*, int)':
process_string:19: error: 'Serial' was not declared in this scope
process_string:34: error: 'Serial' was not declared in this scope
GCode_Interpreter.cpp: In function 'void dda_move(long int)':
stepper_control:119: error: 'Serial' was not declared in this scope
GCode_Interpreter.cpp: In function 'void Heartbeat()':
stepper_control:224: error: 'Serial' was not declared in this scope
GCode_Interpreter.cpp: In function 'void calculate_deltas()':
stepper_control:315: error: 'Serial' was not declared in this scope
GCode_Interpreter.cpp: In function 'void disable_steppers()':
stepper_control:397: error: 'Serial' was not declared in this scope
GCode_Interpreter.cpp: In function 'void enable_steppers()':
stepper_control:412: error: 'Serial' was not declared in this scope
GCode_Interpreter.cpp: In function 'bool PanicStop()':
stepper_control:428: error: 'Serial' was not declared in this scope
stepper_control:443: error: 'Serial' was not declared in this scope