Zgateway srfb (#143)

* compatibility with sonoff rf bridge

#81

* update extract_char call

config_SRFB.h

@@ -0,0 +1,62 @@
+/*  
+  OpenMQTTGateway  - ESP8266 or Arduino program for home automation 
+
+   Act as a wifi or ethernet gateway between your 433mhz/infrared IR signal  and a MQTT broker 
+   Send and receiving command by MQTT
+ 
+   This files enables to set your parameter for the radiofrequency gateway on sonoff rf bridge (ZgatewaySRFB)
+   This implementation is based on Xose Pérez work ESPURNA (https://bitbucket.org/xoseperez/espurna)
+
+    Copyright (C) 2016-2017 by Xose Pérez <xose dot perez at gmail dot com>
+  
+    This file is part of OpenMQTTGateway.
+    
+    OpenMQTTGateway 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.
+
+    OpenMQTTGateway 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*-------------------RF topics & parameters----------------------*/
+//433Mhz MQTT Subjects and keys
+#define subjectMQTTtoSRFB "home/commands/MQTTtoSRFB"
+#define subjectMQTTtoSRFBRaw "home/commands/MQTTtoSRFB/Raw"
+#define subjectSRFBtoMQTTTsyn "home/SRFBtoMQTT/Tsyn"
+#define subjectSRFBtoMQTTTlow "home/SRFBtoMQTT/Tlow"
+#define subjectSRFBtoMQTTThigh "home/SRFBtoMQTT/Thigh"
+#define subjectSRFBtoMQTT "home/SRFBtoMQTT"
+#define subjectGTWSRFBtoMQTT "home/SRFBtoMQTT"
+#define subjectSRFBtoMQTTRaw "home/SRFBtoMQTT/Raw"
+#define SRFBRptKey "RPT_"
+#define SRFBmaxipulselengthKey "Thigh_"
+#define SRFBminipulselengthKey "Tlow_"
+#define SRFBsyncKey "Tsyn_"
+// -----------------------------------------------------------------------------
+// RFBRIDGE
+// -----------------------------------------------------------------------------
+
+#define RF_SEND_TIMES           4               // How many times to send the message
+#define RF_SEND_DELAY           500             // Interval between sendings in ms
+#define RF_RECEIVE_DELAY        500             // Interval between recieving in ms (avoid debouncing)
+
+// -----------------------------------------------------------------------------
+// DEFINITIONS
+// -----------------------------------------------------------------------------
+
+#define RF_MESSAGE_SIZE     9
+#define RF_CODE_START       0xAA
+#define RF_CODE_ACK         0xA0
+#define RF_CODE_RFIN        0xA4
+#define RF_CODE_RFOUT       0xA5
+#define RF_CODE_STOP        0x55
+
+
+