From 99521f8a3fd5ac603f926e54243f9ecdf9fa16fc Mon Sep 17 00:00:00 2001
From: Harald Barth <haba@kth.se>
Date: Sat, 20 May 2023 17:35:09 +0200
Subject: [PATCH] Support DCC-EX shield

---
 MotorDrivers.h   | 6 ++++++
 config.example.h | 1 +
 version.h        | 3 ++-
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/MotorDrivers.h b/MotorDrivers.h
index cfb0dd8..3b82858 100644
--- a/MotorDrivers.h
+++ b/MotorDrivers.h
@@ -50,6 +50,12 @@
                               new MotorDriver(3, 12, UNUSED_PIN, UNUSED_PIN, A0, 2.99, 2000, UNUSED_PIN), \
                               new MotorDriver(11, 13, UNUSED_PIN, UNUSED_PIN, A1, 2.99, 2000, UNUSED_PIN)
 
+// DCC-EX TI DRV8874 based motor shield
+// This motor shield has reverse sense fault pins thus the -A4 and -A5 pin values.
+#define EX8874_SHIELD F("EX8874"), \
+ new MotorDriver( 3, 12, UNUSED_PIN, 9, A0, 4.86, 5000, A4), \
+ new MotorDriver(11, 13, UNUSED_PIN, 8, A1, 4.86, 5000, A5)
+
 // Pololu Motor Shield
 #define POLOLU_MOTOR_SHIELD F("POLOLU_MOTOR_SHIELD"),                                                 \
                             new MotorDriver( 9, 7, UNUSED_PIN,         -4, A0, 18, 3000, 12), \
diff --git a/config.example.h b/config.example.h
index 3dac207..3c9610d 100644
--- a/config.example.h
+++ b/config.example.h
@@ -41,6 +41,7 @@ The configuration file for DCC-EX Command Station
 //  FIREBOX_MK1           : The Firebox MK1                    
 //  FIREBOX_MK1S          : The Firebox MK1S
 //  IBT_2_WITH_ARDUINO    : Arduino Motor Shield for PROG and IBT-2 for MAIN
+//  EX8874_SHIELD         : DCC-EX TI DRV8874 based motor shield
 //   |
 //   +-----------------------v
 //
diff --git a/version.h b/version.h
index d340aa0..23b0a7c 100644
--- a/version.h
+++ b/version.h
@@ -3,7 +3,8 @@
 
 #include "StringFormatter.h"
 
-#define VERSION "4.1.5"
+#define VERSION "4.1.6"
+// 4.1.6 Support DCC-EX shield
 // 4.1.5 Bugfix LCN number parsing
 // 4.1.4 Bugfix for issue #299 TurnoutDescription NULL
 // 4.1.3 Bugfix: Ethernet init order