From 6e0a13e434d8f4cf1d60a497775e3c5a0ee67087 Mon Sep 17 00:00:00 2001
From: Patrick Moessler <pub@asaril.de>
Date: Sat, 21 Dec 2019 23:50:58 +0100
Subject: [PATCH] Change to TMC2209 with UART

---
 Marlin/Configuration.h     | 12 ++++++------
 Marlin/Configuration_adv.h | 28 +++++++++++++++++++++++-----
 Marlin/Start_here.h        |  8 ++++----
 3 files changed, 33 insertions(+), 15 deletions(-)

diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index e4a300f9f..19249755a 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -868,12 +868,12 @@
    #define E1_DRIVER_TYPE TB6600
    #define E2_DRIVER_TYPE TB6600
 #elif ENABLED (CUSTOM)
-   #define X_DRIVER_TYPE
-   #define Y_DRIVER_TYPE
-   #define Z_DRIVER_TYPE
-   #define E0_DRIVER_TYPE
-   #define E1_DRIVER_TYPE
-   #define E2_DRIVER_TYPE
+   #define X_DRIVER_TYPE TMC2209
+   #define Y_DRIVER_TYPE TMC2209
+   #define Z_DRIVER_TYPE TMC2209
+   #define E0_DRIVER_TYPE TMC2209
+   #define E1_DRIVER_TYPE TMC2209
+   #define E2_DRIVER_TYPE TMC2209
    #else
    #error No drivers defined
 #endif
diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index 20c090140..330e45ea3 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -2019,19 +2019,37 @@
    * on the same serial port, either here or in your board's pins file.
    */
   #define  X_SLAVE_ADDRESS 0
-  #define  Y_SLAVE_ADDRESS 0
-  #define  Z_SLAVE_ADDRESS 0
+  #define  Y_SLAVE_ADDRESS 1
+  #define  Z_SLAVE_ADDRESS 3
   #define X2_SLAVE_ADDRESS 0
   #define Y2_SLAVE_ADDRESS 0
   #define Z2_SLAVE_ADDRESS 0
   #define Z3_SLAVE_ADDRESS 0
   #define E0_SLAVE_ADDRESS 0
-  #define E1_SLAVE_ADDRESS 0
-  #define E2_SLAVE_ADDRESS 0
+  #define E1_SLAVE_ADDRESS 1
+  #define E2_SLAVE_ADDRESS 2
   #define E3_SLAVE_ADDRESS 0
   #define E4_SLAVE_ADDRESS 0
   #define E5_SLAVE_ADDRESS 0
 
+  //
+  // Software serial
+  //
+  #define X_SERIAL_TX_PIN  59
+  #define X_SERIAL_RX_PIN  58
+  #define Y_SERIAL_TX_PIN  59
+  #define Y_SERIAL_RX_PIN  58
+
+  #define Z_SERIAL_TX_PIN  61
+  #define Z_SERIAL_RX_PIN  60
+  #define E0_SERIAL_TX_PIN 61
+  #define E0_SERIAL_RX_PIN 60
+  #define E1_SERIAL_TX_PIN 61
+  #define E1_SERIAL_RX_PIN 60
+
+  // Reduce baud rate to improve software serial reliability
+  #define TMC_BAUD_RATE 19200
+
   /**
    * Software enable
    *
@@ -2063,7 +2081,7 @@
    * Define you own with
    * { <off_time[1..15]>, <hysteresis_end[-3..12]>, hysteresis_start[1..8] }
    */
-  #define CHOPPER_TIMING CHOPPER_DEFAULT_12V
+  #define CHOPPER_TIMING CHOPPER_DEFAULT_24V
 
   /**
    * Monitor Trinamic drivers for error conditions,
diff --git a/Marlin/Start_here.h b/Marlin/Start_here.h
index 1daa18e9d..540071d67 100644
--- a/Marlin/Start_here.h
+++ b/Marlin/Start_here.h
@@ -22,7 +22,7 @@
 //#define GTD200      // D200 - experimental, set jumpers base on board for flashing and use serial to upload.
 //--------------------------------------------------------------------------------------------------------------------------------------------------------
 //Step 2) enable 1 driver timing set. 
-#define STOCK     // Enable A4988   on all drivers (stock drivers)
+// #define STOCK     // Enable A4988   on all drivers (stock drivers)
 // #define T2208    // Enable TMC2208 Standalone on all drivers
 //#define T2209    // Enable TMC2209 Standalone on all drivers
 //#define T2130    // Enable TMC2130 Standalone on all drivers
@@ -37,11 +37,11 @@
 //#define L647     // Enable L6470   on all drivers
 //#define T6560    // Enable TB6560  on all drivers
 //#define T6600    // Enable TB6600  on all drivers
-//#define CUSTOM   // Fill in #elif ENABLED (CUSTOM) in configuration.h with a custom set & invert in step 3 as needed
+#define CUSTOM   // Fill in #elif ENABLED (CUSTOM) in configuration.h with a custom set & invert in step 3 as needed
 //--------------------------------------------------------------------------------------------------------------------------------------------------------
 //Step 3) enable if needed to invert motors direction used on TMC drivers & Geared extruders.
-#define INVERTE     // Invert E direction disabe if wrong direction - M & T variants inverted (stock).
-// #define INVERTXYZ   // Invert XYZ direction disable if wrong direction.
+// #define INVERTE     // Invert E direction disabe if wrong direction - M & T variants inverted (stock).
+#define INVERTXYZ   // Invert XYZ direction disable if wrong direction.
 //--------------------------------------------------------------------------------------------------------------------------------------------------------
 //Step 4) enable 1 if you have mixing or multi extruder.
 #define MIX      // Enable Mixing    2 in 1 - Virtual Motor Control