Machine file cleanup

- Split out some options into individual files.

Grbl_Esp32/Machines/spi_daisy_4axis_xyz.h

@@ -0,0 +1,82 @@
+/*
+    spi_daisy_4axis.h
+    Part of Grbl_ESP32
+
+    Pin assignments for a 4-axis machine using Triaminic drivers
+    in daisy-chained SPI mode.
+    https://github.com/bdring/4_Axis_SPI_CNC
+
+    2019    - Bart Dring
+    2020    - Mitch Bradley
+
+    Grbl_ESP32 is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    Grbl is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with Grbl_ESP32.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#define MACHINE_NAME "SPI_DAISY_4X_XYZ"
+
+#ifdef N_AXIS
+        #undef N_AXIS
+#endif
+#define N_AXIS 3
+
+#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 X_DRIVER_TMC2130        // Which Driver Type?
+#define X_RSENSE                TMC2130_RSENSE_DEFAULT
+#define X_STEP_PIN              GPIO_NUM_12
+#define X_DIRECTION_PIN         GPIO_NUM_14
+#define X_TRINAMIC              // using SPI control
+#define X_CS_PIN                GPIO_NUM_17  // Daisy Chain, all share same CS pin
+
+#define Y_DRIVER_TMC2130        // Which Driver Type?
+#define Y_RSENSE                TMC2130_RSENSE_DEFAULT
+#define Y_STEP_PIN              GPIO_NUM_27
+#define Y_DIRECTION_PIN         GPIO_NUM_26
+#define Y_TRINAMIC              // using SPI control
+#define Y_CS_PIN                X_CS_PIN  // Daisy Chain, all share same CS pin
+
+#define Z_DRIVER_TMC2130        // Which Driver Type?
+#define Z_RSENSE                TMC2130_RSENSE_DEFAULT
+#define Z_STEP_PIN              GPIO_NUM_15
+#define Z_DIRECTION_PIN         GPIO_NUM_2
+#define Z_TRINAMIC              // using SPI control
+#define Z_CS_PIN                X_CS_PIN  // Daisy Chain, all share same CS pin
+
+
+// Mist is a 3.3V output
+// Turn on with M7 and off with M9
+#define COOLANT_MIST_PIN        GPIO_NUM_21
+
+#define SPINDLE_PWM_PIN         GPIO_NUM_25
+#define SPINDLE_ENABLE_PIN      GPIO_NUM_4
+
+// Relay operation
+// Install Jumper near relay
+// For spindle Use max RPM of 1
+// For PWM remove jumper and set MAX RPM to something higher ($30 setting)
+// Interlock jumper along top edge needs to be installed for both versions
+#define DEFAULT_SPINDLE_RPM_MAX     1 // Should be 1 for relay operation
+
+#define PROBE_PIN               GPIO_NUM_22
+
+#define X_LIMIT_PIN             GPIO_NUM_36
+#define Y_LIMIT_PIN             GPIO_NUM_39
+#define Z_LIMIT_PIN             GPIO_NUM_34
+#define LIMIT_MASK              B0111
+

Grbl_Esp32/Machines/spi_daisy_4axis_xyza.h

@@ -23,7 +23,7 @@
     along with Grbl_ESP32.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#define MACHINE_NAME "SPI_DAISY_4X"
+#define MACHINE_NAME "SPI_DAISY_4X XYZA"
 
 #ifdef N_AXIS
         #undef N_AXIS
@@ -58,14 +58,13 @@
 #define Z_TRINAMIC              // using SPI control
 #define Z_CS_PIN                X_CS_PIN  // Daisy Chain, all share same CS pin
 
-#if (N_AXIS == 4)
-        #define A_DRIVER_TMC2130        // Which Driver Type?
-        #define A_RSENSE        TMC2130_RSENSE_DEFAULT
-        #define A_STEP_PIN      GPIO_NUM_33
-        #define A_DIRECTION_PIN GPIO_NUM_32
-        #define A_TRINAMIC      // using SPI control
-        #define A_CS_PIN        X_CS_PIN  // Daisy Chain, all share same CS pin
-#endif
+
+#define A_DRIVER_TMC2130        // Which Driver Type?
+#define A_RSENSE        TMC2130_RSENSE_DEFAULT
+#define A_STEP_PIN      GPIO_NUM_33
+#define A_DIRECTION_PIN GPIO_NUM_32
+#define A_TRINAMIC      // using SPI control
+#define A_CS_PIN        X_CS_PIN  // Daisy Chain, all share same CS pin
 
 // Mist is a 3.3V output
 // Turn on with M7 and off with M9
@@ -86,10 +85,5 @@
 #define X_LIMIT_PIN             GPIO_NUM_36
 #define Y_LIMIT_PIN             GPIO_NUM_39
 #define Z_LIMIT_PIN             GPIO_NUM_34
-
-#if (N_AXIS == 4)
-        #define A_LIMIT_PIN     GPIO_NUM_35
-        #define LIMIT_MASK      B1111
-#else
-        #define LIMIT_MASK      B0111
-#endif
+#define A_LIMIT_PIN     GPIO_NUM_35
+#define LIMIT_MASK      B1111

Grbl_Esp32/grbl.h

@@ -20,7 +20,7 @@
 
 // Grbl versioning system
 #define GRBL_VERSION "1.1f"
-#define GRBL_VERSION_BUILD "20200412"
+#define GRBL_VERSION_BUILD "20200417"
 
 //#include <sdkconfig.h>
 #include <Arduino.h>