Added setup of ganged steper direction pins

Grbl_Esp32/config.h

@@ -44,7 +44,7 @@ Some features should not be changed. See notes below.
 // The CPU map is the main definition of the machine/controller you want to use
 // These are typically found in the cpu_map.h file.
 // See Github repo wiki for more details
-#define CPU_MAP_ESP32 // these are defined in cpu_map.h
+#define CPU_MAP_TEST_DRIVE // these are defined in cpu_map.h
 
 // Number of axes defined (steppers, servos, etc) (valid range: 3 to 6)
 // Even if your machine only uses less than the minimum of 3, you should select 3

Grbl_Esp32/cpu_map.h

@@ -1012,20 +1012,27 @@
 	#ifdef N_AXIS
 		#undef N_AXIS
 	#endif
-	#define N_AXIS 4 // can be 3 or 4. (if 3 install bypass jumper next to the A driver)
+	#define N_AXIS 3 // can be 3 or 4. (if 3 install bypass jumper next to the A driver)
 	
 	#define USE_TRINAMIC  
 	#define TRINAMIC_DAISY_CHAIN
 
 	// Use SPI enable instead of the enable pin
 	// The hardware enable pin is tied to ground
-	#define USE_TRINAMIC_ENABLE 
+	#define USE_TRINAMIC_ENABLE
+
+	// The ESP32 RMT feature will generate the step pulse timing
 	#define USE_RMT_STEPS
 	
+	// allow two motors on an axis
+	#define USE_GANGED_AXES  
+
 	#define X_DRIVER_TMC2130 	// Which Driver Type?
 	#define X_RSENSE			0.11f   // .11 Ohm...typical of 2130 type 0.075 typical for TMC5160
 	#define X_STEP_PIN      	GPIO_NUM_12
 	#define X_DIRECTION_PIN   	GPIO_NUM_14
+	#define X2_STEP_PIN			GPIO_NUM_33
+	#define X2_DIRECTION_PIN   	GPIO_NUM_32
 	#define X_TRINAMIC   	   	// using SPI control
 	#define X_CS_PIN    		GPIO_NUM_17  // Daisy Chain, all share same CS pin
 	

Grbl_Esp32/grbl.h

@@ -20,7 +20,7 @@
 
 // Grbl versioning system
 #define GRBL_VERSION "1.1f"
-#define GRBL_VERSION_BUILD "20200221"
+#define GRBL_VERSION_BUILD "20200222"
 
 //#include <sdkconfig.h>
 #include <Arduino.h>

Grbl_Esp32/grbl_trinamic.cpp

@@ -271,8 +271,6 @@ void trinamic_stepper_enable(bool enable) {
 
 	previous_state = enable;	
 
-	grbl_msg_sendf(CLIENT_SERIAL, MSG_LEVEL_INFO, "Trinamic Enable: %d", enable);
-
 	if (enable)
 		toff = TRINAMIC_DEFAULT_TOFF;
 	else

Grbl_Esp32/stepper.cpp

@@ -509,24 +509,44 @@ void stepper_init()
 	#ifdef X_DIRECTION_PIN
 		pinMode(X_DIRECTION_PIN, OUTPUT);
 	#endif
+	#ifdef X2_DIRECTION_PIN
+		pinMode(X2_DIRECTION_PIN, OUTPUT);
+	#endif
+
 	#ifdef Y_DIRECTION_PIN
 		pinMode(Y_DIRECTION_PIN, OUTPUT);
 	#endif
+	#ifdef Y2_DIRECTION_PIN
+		pinMode(Y2_DIRECTION_PIN, OUTPUT);
+	#endif
+
 	#ifdef Z_DIRECTION_PIN
 		pinMode(Z_DIRECTION_PIN, OUTPUT);
 	#endif
+	#ifdef Z2_DIRECTION_PIN
+		pinMode(Z2_DIRECTION_PIN, OUTPUT);
+	#endif
+
 	#ifdef A_DIRECTION_PIN
 		pinMode(A_DIRECTION_PIN, OUTPUT);
 	#endif
+	#ifdef A2_DIRECTION_PIN
+		pinMode(A2_DIRECTION_PIN, OUTPUT);
+	#endif
+
 	#ifdef B_DIRECTION_PIN
 		pinMode(B_DIRECTION_PIN, OUTPUT);
 	#endif
+	#ifdef B2_DIRECTION_PIN
+		pinMode(B2_DIRECTION_PIN, OUTPUT);
+	#endif
+
 	#ifdef C_DIRECTION_PIN
 		pinMode(C_DIRECTION_PIN, OUTPUT);
 	#endif
-
+	#ifdef C2_DIRECTION_PIN
-
+		pinMode(C2_DIRECTION_PIN, OUTPUT);
-	
+	#endif	
 
 // setup stepper timer interrupt
 
@@ -747,7 +767,7 @@ void set_direction_pins_on(uint8_t onMask)
 	digitalWrite(X_DIRECTION_PIN, (onMask & (1<<X_AXIS)));
 #endif
 #ifdef X2_DIRECTION_PIN // optional ganged axis 
-	digitalWrite(X2_DIRECTION_PIN, (onMask & (1<<X_AXIS)));
+	digitalWrite(X2_DIRECTION_PIN, (onMask & (1<<X_AXIS)));	
 #endif
 
 #ifdef Y_DIRECTION_PIN