From ebdaedb5145781780fa2da4fc4c2d48bb2617226 Mon Sep 17 00:00:00 2001
From: Marcelo Aquino <marceloaqno@gmail.com>
Date: Sun, 21 Aug 2016 23:25:11 -0300
Subject: [PATCH] Add ESP8266 Serial modes

SERIAL_TX_ONLY allows to use RX (GPIO3) as a general purpose
input/output
SERIAL_RX_ONLY allows to use TX (GPIO1) as a general purpose
input/output
---
 MyConfig.h         | 22 ++++++++++++++++++++++
 core/MyHwESP8266.h |  2 +-
 keywords.txt       |  1 +
 3 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/MyConfig.h b/MyConfig.h
index 366a676..2e1d3df 100644
--- a/MyConfig.h
+++ b/MyConfig.h
@@ -643,6 +643,10 @@
 // If MY_CONTROLLER_IP_ADDRESS is left un-defined, gateway acts as server allowing incoming connections.
 //#define MY_CONTROLLER_IP_ADDRESS 192, 168, 178, 254
 
+/**************************************
+* Node Locking
+***************************************/
+
 /**
  * @defgroup MyLockgrp MyNodeLock
  * @ingroup internals
@@ -699,8 +703,26 @@
 #endif
 /** @}*/ // Node lock group
 
+/**********************************
+*  ESP8266 Defaults
+***********************************/
+
+/**
+ * @def MY_ESP8266_SERIAL_MODE
+ * @brief Serial modes: SERIAL_FULL, SERIAL_RX_ONLY, SERIAL_TX_ONLY
+ *
+ * SERIAL_FULL: Default mode.
+ * SERIAL_TX_ONLY: allows to use RX (GPIO3) as a general purpose input/output.
+ * SERIAL_RX_ONLY: allows to use TX (GPIO1) as a general purpose input/output.
+ */
+#ifndef MY_ESP8266_SERIAL_MODE
+#define MY_ESP8266_SERIAL_MODE SERIAL_FULL
 #endif
 
+/** @}*/ // ESP8266 Defaults
+
+#endif	// MyConfig_h
+
 // Doxygen specific constructs, not included when built normally
 // This is used to enable disabled macros/definitions to be included in the documentation as well.
 #if DOXYGEN
diff --git a/core/MyHwESP8266.h b/core/MyHwESP8266.h
index ffbcb69..3bd6c00 100644
--- a/core/MyHwESP8266.h
+++ b/core/MyHwESP8266.h
@@ -35,7 +35,7 @@
 // Define these as macros to save valuable space
 
 #define hwDigitalWrite(__pin, __value) (digitalWrite(__pin, __value))
-#define hwInit() MY_SERIALDEVICE.begin(MY_BAUD_RATE); MY_SERIALDEVICE.setDebugOutput(true)
+#define hwInit() MY_SERIALDEVICE.begin(MY_BAUD_RATE, SERIAL_8N1, MY_ESP8266_SERIAL_MODE, 1); MY_SERIALDEVICE.setDebugOutput(true)
 #define hwWatchdogReset() wdt_reset()
 #define hwReboot() ESP.restart();
 #define hwMillis() millis()
diff --git a/keywords.txt b/keywords.txt
index b84d949..5d8da56 100644
--- a/keywords.txt
+++ b/keywords.txt
@@ -107,6 +107,7 @@ MY_GATEWAY_MAX_RECEIVE_LENGTH	LITERAL1
 MY_ESP8266_SSID	LITERAL1
 MY_ESP8266_PASSWORD	LITERAL1
 MY_ESP8266_HOSTNAME	LITERAL1
+MY_ESP8266_SERIAL_MODE	LITERAL1
 MY_IP_GATEWAY_ADDRESS	LITERAL1
 MY_IP_SUBNET_ADDRESS	LITERAL1
 MY_W5100_SPI_EN LITERAL1