Merijn
6e3e8c3330
* add JSON parse option to RS232 gateway * add hardware UART support to RS232 gateway * changed default RS232toMQTTmode to raw (instead of JSON) * removed reference to Arduino Mega in RS232 gateway config * update RS232 gateway doc
152 lines
5.3 KiB
C
152 lines
5.3 KiB
C
/*
|
|
OpenMQTTGateway - ESP8266 or Arduino program for home automation
|
|
|
|
Act as a wifi or ethernet gateway between your RS232 device and a MQTT broker
|
|
Send and receiving command by MQTT
|
|
|
|
This files enables to set your parameter for the RS232 gateway
|
|
|
|
Copyright: (c)Florian ROBERT
|
|
|
|
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/>.
|
|
*/
|
|
#ifndef config_RS232_h
|
|
#define config_RS232_h
|
|
|
|
extern void setupRS232();
|
|
extern void RS232toMQTT();
|
|
extern void MQTTtoRS232(char* topicOri, JsonObject& RS232data);
|
|
|
|
/*-------------------RS232 topics & parameters----------------------*/
|
|
|
|
// Settings RS232 to MQTT topic
|
|
#define subjectRS232toMQTT "/RS232toMQTT"
|
|
|
|
// setting to specify mode used for sending MQTT messages:
|
|
// 0: RAW: all recieved input at RS232 interface is collected in single MQTT message
|
|
// defined by RS232toMQTTsubject
|
|
//
|
|
// 1: JSON: Assumes input at RS232 interface to be valid JSON. JSON keys are used to
|
|
// split the JSON data in separate MQTT sub-topics. This will be repeated for
|
|
// sub-keys up to the specified nesting level (RS232maxJSONlevel).
|
|
//
|
|
// EXAMPLE: "{temperature: {sens1: 22, sens2: 23}, humidity: {sens1: 80, sens2: 60}}"
|
|
// - with RS232maxJSONlevel=1:
|
|
// ./RS232toMQTT/temperature ==> "{sens1: 22, sens2: 23}"
|
|
// ./RS232toMQTT/humidity ==> "{sens1: 80, sens2: 60}"
|
|
//
|
|
// - with RS232maxJSONlevel=2 (or higher):
|
|
// ./RS232toMQTT/temperature/sens1 ==> 22
|
|
// ./RS232toMQTT/temperature/sens2 ==> 23
|
|
// ./RS232toMQTT/humidity/sens1 ==> 80
|
|
// ./RS232toMQTT/humidity/sens2 ==> 60
|
|
//
|
|
#ifndef RS232toMQTTmode
|
|
# define RS232toMQTTmode 0
|
|
#endif
|
|
|
|
// settings for RS232TopicMode 0 (RAW)
|
|
#define RS232InPost '\n' // Hacky way to get last character of postfix for incoming
|
|
#define MAX_INPUT 200 // how much serial data we expect
|
|
|
|
// settings for RS232TopicMode 1 (JSON)
|
|
#define RS232maxJSONlevel 2 // Max nested level in which JSON keys are converted to seperate sub-topics
|
|
#define RS232JSONDocSize 1024 // bytes to reserve for the JSON doc
|
|
|
|
// settings for MQTT to RS232
|
|
#define subjectMQTTtoRS232 "/commands/MQTTtoRS232"
|
|
#define RS232Pre "00" // The prefix for the RS232 message
|
|
#define RS232Post "\r" // The postfix for the RS232 message
|
|
|
|
//Setup for RS232
|
|
#ifndef RS232Baud
|
|
# define RS232Baud 9600 // The serial connection Baud
|
|
#endif
|
|
|
|
/*-------------------PIN DEFINITIONS----------------------*/
|
|
#ifndef RS232_UART
|
|
// set hardware serial UART to be used for device communication or
|
|
// use software emulaton if not defined
|
|
//
|
|
// VALUES:
|
|
// - not defined: use software emulation (pins set by RS232_RX_GPIO & RS232_TX_GPIO)
|
|
//
|
|
// - 0: use HW UART0 (serial), warning: default used for logging & usb
|
|
// ESP8266: (TX0 GPIO1, RX0 GPIO3)
|
|
// (TX0 GPIO15, RX0 GPIO13) with UART0 swap enabled
|
|
// ESP32: (TX0 by RS232_TX_GPIO, RX0 by RS232_RX_GPIO)
|
|
// ATmega2560: (TX0 pin1, RX0 pin0)
|
|
// Arduino Uno: (TX0 pin1, RX0 pin0)
|
|
//
|
|
// - 1: use HW UART1 (serial1)
|
|
// ESP8266: (TX1 GPIO2, RX none) only transmit available
|
|
// ESP32: (TX1 by RS232_TX_GPIO, RX1 by RS232_RX_GPIO)
|
|
// ATmega2560: (TX1 pin18, RX1 pin19)
|
|
// Arduino Uno: N/A
|
|
//
|
|
// - 2: use HW UART2 (serial2)
|
|
// ESP8266: N/A
|
|
// ESP32: (TX2 by RS232_TX_GPIO, RX2 by RS232_RX_GPIO)
|
|
// ATmega2560: (TX2 pin16, RX1 pin17)
|
|
// Arduino Uno: N/A
|
|
//
|
|
// - 3: use HW UART3 (serial3)
|
|
// ESP8266: N/A
|
|
// ESP32: N/A
|
|
// ATmega2560: (TX2 pin14, RX1 pin15)
|
|
// Arduino Uno: N/A
|
|
//
|
|
// defaults
|
|
# ifdef ESP32
|
|
# define RS232_UART 1 // use HW UART ESP32
|
|
# else
|
|
# undef RS232_UART // default use software serial
|
|
//# define RS232_UART 1 // define to use HW UART
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef RS232_UART0_SWAP
|
|
// option for ESP8266 only to swap UART0 ports from (GPIO1,GPIO3) to (GPIO15,GPIO13)
|
|
# define RS232_UART0_SWAP
|
|
#endif
|
|
|
|
#ifndef RS232_RX_GPIO
|
|
// define receive pin (for software serial or ESP32 with configurable HW UART)
|
|
# if defined(ESP8266) && !defined(RS232_UART)
|
|
# define RS232_RX_GPIO 4 //D2
|
|
# elif defined(ESP32)
|
|
# define RS232_RX_GPIO 26
|
|
# elif defined(__AVR_ATmega2560__) && !defined(RS232_UART)
|
|
# define RS232_RX_GPIO 2 // 2 = D2 on arduino mega
|
|
# else
|
|
# define RS232_RX_GPIO 0 // 0 = D2 on arduino UNO
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef RS232_TX_GPIO
|
|
// define transmit pin (for software serial and/or ESP32)
|
|
# if defined(ESP8266) && !defined(RS232_UART)
|
|
# define RS232_TX_GPIO 2 //D4
|
|
# elif ESP32
|
|
# define RS232_TX_GPIO 14
|
|
# elif defined(__AVR_ATmega2560__) && !defined(RS232_UART)
|
|
# define RS232_TX_GPIO 9
|
|
# else
|
|
# define RS232_TX_GPIO 9
|
|
# endif
|
|
#endif
|
|
|
|
#endif |