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IRMQTTServer.ino
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/*
* Send & receive arbitrary IR codes via a web server or MQTT.
* Copyright David Conran 2016-2021
*
* Copyright:
* Code for this has been borrowed from lots of other OpenSource projects &
* resources. I'm *NOT* claiming complete Copyright ownership of all the code.
* Likewise, feel free to borrow from this as much as you want.
*
* NOTE: An IR LED circuit SHOULD be connected to the ESP if
* you want to send IR messages. e.g. GPIO4 (D2)
* A compatible IR RX modules SHOULD be connected to ESP
* if you want to capture & decode IR nessages. e.g. GPIO14 (D5)
* See 'IR_RX' in IRMQTTServer.h.
* GPIOs are configurable from the http://<your_esp's_ip_address>/gpio
* page.
*
* WARN: This is *very* advanced & complicated example code. Not for beginners.
* You are strongly suggested to try & look at other example code first
* to understand how this library works.
*
* # Instructions
*
* ## Before First Boot (i.e. Compile time)
* - Disable MQTT if desired. (see '#define MQTT_ENABLE' in IRMQTTServer.h).
*
* - The MQTT server IP is detected automatically through mDNS (aka avahi,
* bonjour, zeroconf) if the server advertises _mqtt._tcp. Disable this if
* desired (see '#define MQTT_SERVER_AUTODETECT_ENABLE' in IRMQTTServer.h).
*
* - Site specific settings:
* o Search for 'CHANGE_ME' in IRMQTTServer.h for the things you probably
* need to change for your particular situation.
* o All user changable settings are in the file IRMQTTServer.h.
*
* - Arduino IDE:
* o Install the following libraries via Library Manager
* - ArduinoJson (https://arduinojson.org/) (Version >= 6.0)
* - PubSubClient (https://pubsubclient.knolleary.net/) (Version >= 2.8.0)
* - WiFiManager (https://github.com/tzapu/WiFiManager)
* (ESP8266: Version >= 0.14, ESP32: 'master' branch.)
* o Use the smallest non-zero FILESYSTEM size you can for your board.
* (See the Tools -> Flash Size menu)
*
* - PlatformIO IDE:
* If you are using PlatformIO, this should already been done for you in
* the accompanying platformio.ini file.
*
* ## First Boot (Initial setup)
* The ESP board will boot into the WiFiManager's AP mode.
* i.e. It will create a WiFi Access Point with a SSID like: "ESP123456" etc.
* Connect to that SSID. Then point your browser to http://192.168.4.1/ and
* configure the ESP to connect to your desired WiFi network and associated
* required settings. It will remember these details on next boot if the device
* connects successfully.
* More information can be found here:
* https://github.com/tzapu/WiFiManager#how-it-works
*
* If you need to reset the WiFi and saved settings to go back to "First Boot",
* visit: http://<your_esp's_ip_address>/reset
*
* ## Normal Use (After initial setup)
* Enter 'http://<your_esp's_ip_address/' in your browser & follow the
* instructions there to send IR codes via HTTP/HTML.
* Visit the http://<your_esp's_ip_address>/gpio page to configure the GPIOs
* for the IR LED(s) and/or IR RX demodulator.
*
* You can send URLs like the following, with similar data type limitations as
* the MQTT formating in the next section. e.g:
* http://<your_esp's_ip_address>/ir?type=7&code=E0E09966
* http://<your_esp's_ip_address>/ir?type=4&code=0xf50&bits=12
* http://<your_esp's_ip_address>/ir?code=C1A2E21D&repeats=8&type=19
* http://<your_esp's_ip_address>/ir?type=31&code=40000,1,1,96,24,24,24,48,24,24,24,24,24,48,24,24,24,24,24,48,24,24,24,24,24,24,24,24,1058
* http://<your_esp's_ip_address>/ir?type=18&code=190B8050000000E0190B8070000010f0
* http://<your_esp's_ip_address>/ir?repeats=1&type=25&code=0000,006E,0022,0002,0155,00AA,0015,0040,0015,0040,0015,0015,0015,0015,0015,0015,0015,0015,0015,0015,0015,0040,0015,0040,0015,0015,0015,0040,0015,0015,0015,0015,0015,0015,0015,0040,0015,0015,0015,0015,0015,0040,0015,0040,0015,0015,0015,0015,0015,0015,0015,0015,0015,0015,0015,0040,0015,0015,0015,0015,0015,0040,0015,0040,0015,0040,0015,0040,0015,0040,0015,0640,0155,0055,0015,0E40
* If you have enabled more than 1 TX GPIO, you can use the "channel" argument:
* http://<your_esp's_ip_address>/ir?channel=0&type=7&code=E0E09966
* http://<your_esp's_ip_address>/ir?channel=1&type=7&code=E0E09966
*
* or
*
* Send a MQTT message to the topic 'ir_server/send'
* (or 'ir_server/send_1' etc if you have enabled more than 1 TX GPIO)
* using the following format (Order is important):
* protocol_num,hexcode
* e.g. 7,E0E09966
* which is: Samsung(7), Power On code, default bit size,
* default nr. of repeats.
*
* protocol_num,hexcode,bits
* e.g. 4,f50,12
* which is: Sony(4), Power Off code, 12 bits & default nr. of repeats.
*
* protocol_num,hexcode,bits,repeats
* e.g. 19,C1A2E21D,0,8
* which is: Sherwood(19), Vol Up, default bit size & repeated 8 times.
*
* 30,frequency,raw_string
* e.g. 30,38000,9000,4500,500,1500,500,750,500,750
* which is: Raw (30) @ 38kHz with a raw code of
* "9000,4500,500,1500,500,750,500,750"
*
* 31,code_string
* e.g. 31,40000,1,1,96,24,24,24,48,24,24,24,24,24,48,24,24,24,24,24,48,24,24,24,24,24,24,24,24,1058
* which is: GlobalCache (31) & "40000,1,1,96,..." (Sony Vol Up)
*
* 25,Rrepeats,hex_code_string
* e.g. 25,R1,0000,006E,0022,0002,0155,00AA,0015,0040,0015,0040,0015,0015,0015,0015,0015,0015,0015,0015,0015,0015,0015,0040,0015,0040,0015,0015,0015,0040,0015,0015,0015,0015,0015,0015,0015,0040,0015,0015,0015,0015,0015,0040,0015,0040,0015,0015,0015,0015,0015,0015,0015,0015,0015,0015,0015,0040,0015,0015,0015,0015,0015,0040,0015,0040,0015,0040,0015,0040,0015,0040,0015,0640,0155,0055,0015,0E40
* which is: Pronto (25), 1 repeat, & "0000 006E 0022 0002 ..."
* aka a "Sherwood Amp Tape Input" message.
*
* ac_protocol_num,really_long_hexcode
* e.g. 18,190B8050000000E0190B8070000010F0
* which is: Kelvinator (18) Air Con on, Low Fan, 25 deg etc.
* NOTE: Ensure you zero-pad to the correct number of digits for the
* bit/byte size you want to send as some A/C units have units
* have different sized messages. e.g. Fujitsu A/C units.
*
* Sequences.
* You can send a sequence of IR messages via MQTT using the above methods
* if you separate them with a ';' character. In addition you can add a
* pause/gap between sequenced messages by using 'P' followed immediately by
* the number of milliseconds you wish to wait (up to a max of kMaxPauseMs).
* e.g. 7,E0E09966;4,f50,12
* Send a Samsung(7) TV Power on code, followed immediately by a Sony(4)
* TV power off message.
* or: 19,C1A28877;P500;19,C1A25AA5;P500;19,C1A2E21D,0,30
* Turn on a Sherwood(19) Amplifier, Wait 1/2 a second, Switch the
* Amplifier to Video input 2, wait 1/2 a second, then send the Sherwood
* Amp the "Volume Up" message 30 times.
*
* In short:
* No spaces after/before commas.
* Values are comma separated.
* The first value is always in Decimal.
* For simple protocols, the next value (hexcode) is always hexadecimal.
* The optional bit size is in decimal.
* CAUTION: Some AC protocols DO NOT use the really_long_hexcode method.
* e.g. < 64bit AC protocols.
*
* Unix command line usage example:
* # Install a MQTT client
* $ sudo apt install mosquitto-clients
* # Send a 32-bit NEC code of 0x1234abcd via MQTT.
* $ mosquitto_pub -h 10.0.0.4 -t ir_server/send -m '3,1234abcd,32'
*
* This server will send (back) what ever IR message it just transmitted to
* the MQTT topic 'ir_server/sent' to confirm it has been performed. This works
* for messages requested via MQTT or via HTTP.
*
* Unix command line usage example:
* # Listen to MQTT acknowledgements.
* $ mosquitto_sub -h 10.0.0.4 -t ir_server/sent
*
* Incoming IR messages (from an IR remote control) will be transmitted to
* the MQTT topic 'ir_server/received'. The MQTT message will be formatted
* similar to what is required to for the 'sent' topic.
* e.g. "3,C1A2F00F,32" (Protocol,Value,Bits) for simple codes
* or "18,110B805000000060110B807000001070" (Protocol,Value) for complex codes
* Note: If the protocol is listed as -1, then that is an UNKNOWN IR protocol.
* You can't use that to recreate/resend an IR message. It's only for
* matching purposes and shouldn't be trusted.
*
* Unix command line usage example:
* # Listen via MQTT for IR messages captured by this server.
* $ mosquitto_sub -h 10.0.0.4 -t ir_server/received
*
* Note: General logging messages are also sent to 'ir_server/log' from
* time to time.
*
* ## Climate (AirCon) interface. (Advanced use)
* You can now control Air Conditioner devices that have full/detailed support
* from the IRremoteESP8266 library. See the "Aircon" page for list of supported
* devices. You can do this via HTTP/HTML or via MQTT.
*
* NOTE: It will only change the attributes you change/set. It's up to you to
* maintain a consistent set of attributes for your particular aircon.
*
* TIP: Use "-1" for 'model' if your A/C doesn't have a specific `setModel()`
* or IR class attribute. Most don't. Some do.
* e.g. PANASONIC_AC, FUJITSU_AC, WHIRLPOOL_AC
*
* ### via MQTT:
* The code listen for commands (via wildcard) on the MQTT topics at the
* `ir_server/ac/cmnd/+` level (or ir_server/ac_1/cmnd/+` if multiple TX GPIOs)
* such as:
* i.e. protocol, model, power, mode, temp, fanspeed, swingv, swingh, quiet,
* turbo, light, beep, econo, sleep, filter, clean, use_celsius
* e.g. ir_server/ac/cmnd/power, ir_server/ac/cmnd/temp,
* ir_server/ac_0/cmnd/mode, ir_server/ac_2/cmnd/fanspeed, etc.
* It will process them, and if successful and it caused a change, it will
* acknowledge this via the relevant state topic for that command.
* e.g. If the aircon/climate changes from power off to power on, it will
* send an "on" payload to "ir_server/ac/stat/power"
*
* There is a special command available to force the ESP to resend the current
* A/C state in an IR message. To do so use the `resend` command MQTT topic,
* e.g. `ir_server/ac/cmnd/resend` with a payload message of `resend`.
* There is no corresponding "stat" message update for this particular topic,
* but a log message is produced indicating it was received.
*
* NOTE: These "stat" messages have the MQTT retain flag set to on. Thus the
* MQTT broker will remember them until reset/restarted etc.
*
* The code will also periodically broadcast all possible aircon/climate state
* attributes to their corresponding "ir_server/ac/stat" topics. This ensures
* any updates to the ESP's knowledge that may have been lost in transmission
* are re-communicated. e.g. The MQTT broker being offline.
* This also helps with Home Assistant MQTT discovery.
*
* The program on boot & first successful connection to the MQTT broker, will
* try to re-acquire any previous aircon/climate state information and act
* accordingly. This will typically result in A/C IR message being sent as and
* saved state will probably be different from the defaults.
*
* NOTE: Command attributes are processed sequentially.
* e.g. Going from "25C, cool, fan low" to "27C, heat, fan high" may go
* via "27C, cool, fan low" & "27C, heat, fan low" depending on the order
* of arrival & processing of the MQTT commands.
*
* ### Home Assistant (HA) MQTT climate integration
* After you have set the Protocol (required) & Model (if needed) and any of
* the other misc aircon settings you desire, you can then add the following to
* your Home Assistant configuration, and it should allow you to
* control most of the important settings. Google Home/Assistant (via HA)
* can also control the device, but you will need to configure Home Assistant
* via it's documentation for that. It has even more limited control.
* It's far beyond the scope of these instructions to guide you through setting
* up HA and Google Home integration. See https://www.home-assistant.io/
*
* In HA's configuration.yaml, add:
*
* #### New format (Post Home Assistant 2022.6 release)
*
* mqtt:
* climate:
* - name: Living Room Aircon
* modes:
* - "off"
* - "auto"
* - "cool"
* - "heat"
* - "dry"
* - "fan_only"
* fan_modes:
* - "Auto"
* - "Min"
* - "Low"
* - "Medium"
* - "High"
* - "Max"
* swing_modes:
* - "Off"
* - "Auto"
* - "Highest"
* - "High"
* - "Middle"
* - "Low"
* - "Lowest"
* power_command_topic: "ir_server/ac/cmnd/power"
* mode_command_topic: "ir_server/ac/cmnd/mode"
* mode_state_topic: "ir_server/ac/stat/mode"
* temperature_command_topic: "ir_server/ac/cmnd/temp"
* temperature_state_topic: "ir_server/ac/stat/temp"
* fan_mode_command_topic: "ir_server/ac/cmnd/fanspeed"
* fan_mode_state_topic: "ir_server/ac/stat/fanspeed"
* swing_mode_command_topic: "ir_server/ac/cmnd/swingv"
* swing_mode_state_topic: "ir_server/ac/stat/swingv"
* min_temp: 16
* max_temp: 32
* temp_step: 1
* retain: false
*
* #### Old format (Pre Home Assistant 2022.6 release)
*
* climate:
* - platform: mqtt
* name: Living Room Aircon
* modes:
* - "off"
* - "auto"
* - "cool"
* - "heat"
* - "dry"
* - "fan_only"
* fan_modes:
* - "Auto"
* - "Min"
* - "Low"
* - "Medium"
* - "High"
* - "Max"
* swing_modes:
* - "Off"
* - "Auto"
* - "Highest"
* - "High"
* - "Middle"
* - "Low"
* - "Lowest"
* power_command_topic: "ir_server/ac/cmnd/power"
* mode_command_topic: "ir_server/ac/cmnd/mode"
* mode_state_topic: "ir_server/ac/stat/mode"
* temperature_command_topic: "ir_server/ac/cmnd/temp"
* temperature_state_topic: "ir_server/ac/stat/temp"
* fan_mode_command_topic: "ir_server/ac/cmnd/fanspeed"
* fan_mode_state_topic: "ir_server/ac/stat/fanspeed"
* swing_mode_command_topic: "ir_server/ac/cmnd/swingv"
* swing_mode_state_topic: "ir_server/ac/stat/swingv"
* min_temp: 16
* max_temp: 32
* temp_step: 1
* retain: false
*
* #### Home Assistant MQTT Discovery
* There is an option for this: 'Send MQTT Discovery' under the 'Admin' menu.
* It will produce a single MQTT Climate Discovery message for Home Assistant
* provided you have everything configured correctly here and in HA.
* This message has MQTT RETAIN set on it, so it only ever needs to be sent
* once or if the config details change etc.
*
* If you no longer want it, manually remove it from your MQTT broker.
* e.g.
* `mosquitto_pub -t homeassistant/climate/ir_server/config -n -r -d`
*
* NOTE: If you have multiple TX GPIOs configured, it *ONLY* works for the
* first TX GPIO climate. You will need to manually configure the others.
*
* ### via HTTP:
* Use the "http://<your_esp's_ip_address>/aircon/set" URL and pass on
* the arguments as needed to control your device. See the `KEY_*` #defines
* in the code for all the parameters.
* i.e. protocol, model, power, mode, temp, fanspeed, swingv, swingh, quiet,
* turbo, light, beep, econo, sleep, filter, clean, use_celsius, channel
* Example:
* http://<your_esp's_ip_address>/aircon/set?channel=0&protocol=PANASONIC_AC&model=LKE&power=on&mode=auto&fanspeed=min&temp=23
*
* NOTE: If you don't set the channel, the first GPIO (Channel 0) is used.
*
* ## Debugging & Logging
* If DEBUG is turned on, there is additional information printed on the Serial
* Port. Serial Port output may be disabled if the GPIO is used for IR.
*
* If MQTT is enabled, some information/logging is sent to the MQTT topic:
* `ir_server/log`
*
* ## Updates
* You can upload new firmware Over The Air (OTA) via the form on the device's
* "Admin" page. No need to connect to the device again via USB. \o/
* Your settings should be remembered between updates. \o/ \o/
*
* On boards with 1 Meg of flash should use an SPIFFS size of 64k if you want a
* hope of being able to load a firmware via OTA.
* Boards with only 512k flash have no chance of OTA with this firmware.
*
* ## Security
* <security-hat="on">
* There is NO authentication set on the HTTP/HTML interface by default (see
* `HTML_PASSWORD_ENABLE` to change that), and there is NO SSL/TLS (encryption)
* used by this example code.
* i.e. All usernames & passwords are sent in clear text.
* All communication to the MQTT server is in clear text.
* e.g. This on/using the public Internet is a 'Really Bad Idea<tm>'!
* You should NOT have or use this code or device exposed on an untrusted and/or
* unprotected network.
* If you allow access to OTA firmware updates, then a 'Bad Guy<tm>' could
* potentially compromise your network. OTA updates are password protected by
* default. If you are sufficiently paranoid, you SHOULD disable uploading
* firmware via OTA. (see 'FIRMWARE_OTA')
* You SHOULD also set/change all usernames & passwords.
* For extra bonus points: Use a separate untrusted SSID/vlan/network/ segment
* for your IoT stuff, including this device.
* Caveat Emptor. You have now been suitably warned.
* </security-hat>
*/
#include "IRMQTTServer.h"
#include <Arduino.h>
#include <ArduinoJson.h>
#if defined(ESP8266)
#include <ESP8266WiFi.h>
#include <ESP8266WebServer.h>
#include <ESP8266mDNS.h>
#endif // ESP8266
#if defined(ESP32)
#include <ESPmDNS.h>
#include <WebServer.h>
#include <WiFi.h>
#include <Update.h>
#endif // ESP32
#include <WiFiClient.h>
#include <DNSServer.h>
#include <WiFiManager.h>
#include <IRremoteESP8266.h>
#include <IRrecv.h>
#include <IRsend.h>
#include <IRtext.h>
#include <IRtimer.h>
#include <IRutils.h>
#include <IRac.h>
#if MQTT_ENABLE
#include <PubSubClient.h>
#endif // MQTT_ENABLE
#include <algorithm> // NOLINT(build/include)
#include <memory>
#include <string>
#ifdef ESP32
#ifdef F
#undef F
#endif // F
#define F(string) string
#endif // ESP32
using irutils::msToString;
#if REPORT_VCC
ADC_MODE(ADC_VCC);
#endif // REPORT_VCC
#ifdef SHT3X_SUPPORT
#include <WEMOS_SHT3X.h>
#endif
// Globals
uint8_t _sanity = 0;
#if defined(ESP8266)
ESP8266WebServer server(kHttpPort);
#endif // ESP8266
#if defined(ESP32)
WebServer server(kHttpPort);
#endif // ESP32
#if MDNS_ENABLE
MDNSResponder mdns;
#endif // MDNS_ENABLE
WiFiClient espClient;
WiFiManager wifiManager;
bool flagSaveWifiConfig = false;
char HttpUsername[kUsernameLength + 1] = "admin"; // Default HTTP username.
char HttpPassword[kPasswordLength + 1] = ""; // No HTTP password by default.
char Hostname[kHostnameLength + 1] = "ir_server"; // Default hostname.
uint16_t *codeArray;
uint32_t lastReconnectAttempt = 0; // MQTT last attempt reconnection number
bool boot = true;
volatile bool lockIr = false; // Primitive locking for gating the IR LED.
uint32_t sendReqCounter = 0;
bool lastSendSucceeded = false; // Store the success status of the last send.
uint32_t lastSendTime = 0;
int8_t offset; // The calculated period offset for this chip and library.
IRsend *IrSendTable[kNrOfIrTxGpios];
int8_t txGpioTable[kNrOfIrTxGpios] = {kDefaultIrLed};
String lastClimateSource;
#if IR_RX
IRrecv *irrecv = NULL;
decode_results capture; // Somewhere to store inbound IR messages.
int8_t rx_gpio = kDefaultIrRx;
String lastIrReceived = FPSTR("None");
uint32_t lastIrReceivedTime = 0;
uint32_t irRecvCounter = 0;
#endif // IR_RX
// Climate stuff
IRac *climate[kNrOfIrTxGpios];
String channel_re = FPSTR("("); // Will be built later.
uint16_t chan = 0; // The channel to use for the aircon HTML page.
TimerMs lastClimateIr = TimerMs(); // When we last sent the IR Climate mesg.
uint32_t irClimateCounter = 0; // How many have we sent?
// Store the success status of the last climate send.
bool lastClimateSucceeded = false;
bool hasClimateBeenSent = false; // Has the Climate ever been sent?
#if MQTT_ENABLE
PubSubClient mqtt_client(espClient);
String lastMqttCmd = FPSTR("None");
String lastMqttCmdTopic = FPSTR("None");
uint32_t lastMqttCmdTime = 0;
uint32_t lastConnectedTime = 0;
uint32_t lastDisconnectedTime = 0;
uint32_t mqttDisconnectCounter = 0;
uint32_t mqttSentCounter = 0;
uint32_t mqttRecvCounter = 0;
bool wasConnected = true;
char MqttServer[kHostnameLength + 1] = "10.0.0.4";
char MqttPort[kPortLength + 1] = "1883";
char MqttUsername[kUsernameLength + 1] = "";
char MqttPassword[kPasswordLength + 1] = "";
char MqttPrefix[kHostnameLength + 1] = "";
String MqttAck; // Sub-topic we send back acknowledgements on.
String MqttSend; // Sub-topic we get new commands from.
String MqttRecv; // Topic we send received IRs to.
String MqttLog; // Topic we send log messages to.
String MqttLwt; // Topic for the Last Will & Testament.
String MqttClimate; // Sub-topic for the climate topics.
String MqttClimateCmnd; // Sub-topic for the climate command topics.
#if MQTT_DISCOVERY_ENABLE
String MqttDiscovery;
String MqttUniqueId;
#if SHT3X_SUPPORT && SHT3X_MQTT_DISCOVERY_ENABLE
String MqttDiscoverySensor;
#endif // SHT3X_SUPPORT && SHT3X_MQTT_DISCOVERY_ENABLE
#endif // MQTT_DISCOVERY_ENABLE
String MqttHAName;
String MqttClientId;
#if SHT3X_SUPPORT
String MqttSensorStat;
#endif // SHT3X_SUPPORT
// Primative lock file for gating MQTT state broadcasts.
bool lockMqttBroadcast = true;
TimerMs lastBroadcast = TimerMs(); // When we last sent a broadcast.
bool hasBroadcastBeenSent = false;
#if MQTT_DISCOVERY_ENABLE
TimerMs lastDiscovery = TimerMs(); // When we last sent a Discovery.
bool hasDiscoveryBeenSent = false;
#endif // MQTT_DISCOVERY_ENABLE
TimerMs statListenTime = TimerMs(); // How long we've been listening for.
#endif // MQTT_ENABLE
bool isSerialGpioUsedByIr(void) {
const int8_t kSerialTxGpio = 1; // The GPIO serial output is sent to.
// Note: *DOES NOT* control Serial output.
#if defined(ESP32)
const int8_t kSerialRxGpio = 3; // The GPIO serial input is received on.
#endif // ESP32
// Ensure we are not trodding on anything IR related.
#if IR_RX
switch (rx_gpio) {
#if defined(ESP32)
case kSerialRxGpio:
#endif // ESP32
case kSerialTxGpio:
return true; // Serial port is in use by IR capture. Abort.
}
#endif // IR_RX
for (uint16_t i = 0; i < kNrOfIrTxGpios; i++)
switch (txGpioTable[i]) {
#if defined(ESP32)
case kSerialRxGpio:
#endif // ESP32
case kSerialTxGpio:
return true; // Serial port is in use for IR sending. Abort.
}
return false; // Not in use as far as we can tell.
}
#if SHT3X_SUPPORT
SHT3X TemperatureSensor(SHT3X_I2C_ADDRESS);
TimerMs statSensorReadTime = TimerMs();
#endif // SHT3X_SUPPORT
// Debug messages get sent to the serial port.
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
void debug(const char *str) {
#if DEBUG
if (isSerialGpioUsedByIr()) return; // Abort.
uint32_t now = millis();
Serial.printf("%07u.%03u: %s\n", now / 1000, now % 1000, str);
#endif // DEBUG
}
#pragma GCC diagnostic pop
// callback notifying us of the need to save the wifi config
void saveWifiConfigCallback(void) {
debug("saveWifiConfigCallback called.");
flagSaveWifiConfig = true;
}
// Forcibly mount the FILESYSTEM. Formatting the FILESYSTEM if needed.
//
// Returns:
// A boolean indicating success or failure.
bool mountSpiffs(void) {
debug("Mounting " FILESYSTEMSTR " ...");
if (FILESYSTEM.begin()) return true; // We mounted it okay.
// We failed the first time.
debug("Failed to mount " FILESYSTEMSTR "!\n"
"Formatting SPIFFS and trying again...");
FILESYSTEM.format();
if (!FILESYSTEM.begin()) { // Did we fail?
debug("DANGER: Failed to mount " FILESYSTEMSTR " even after formatting!");
delay(10000); // Make sure the debug message doesn't just float by.
return false;
}
return true; // Success!
}
bool saveConfig(void) {
debug("Saving the config.");
bool success = false;
DynamicJsonDocument json(kJsonConfigMaxSize);
#if MQTT_ENABLE
json[kMqttServerKey] = MqttServer;
json[kMqttPortKey] = MqttPort;
json[kMqttUserKey] = MqttUsername;
json[kMqttPassKey] = MqttPassword;
json[kMqttPrefixKey] = MqttPrefix;
#endif // MQTT_ENABLE
json[kHostnameKey] = Hostname;
json[kHttpUserKey] = HttpUsername;
json[kHttpPassKey] = HttpPassword;
#if IR_RX
json[KEY_RX_GPIO] = static_cast<int>(rx_gpio);
#endif // IR_RX
for (uint16_t i = 0; i < kNrOfIrTxGpios; i++) {
const String key = KEY_TX_GPIO + String(i);
json[key] = static_cast<int>(txGpioTable[i]);
}
if (mountSpiffs()) {
File configFile = FILESYSTEM.open(kConfigFile, "w");
if (!configFile) {
debug("Failed to open config file for writing.");
} else {
debug("Writing out the config file.");
serializeJson(json, configFile);
configFile.close();
debug("Finished writing config file.");
success = true;
}
FILESYSTEM.end();
}
return success;
}
bool loadConfigFile(void) {
bool success = false;
if (mountSpiffs()) {
debug("mounted the file system");
if (FILESYSTEM.exists(kConfigFile)) {
debug("config file exists");
File configFile = FILESYSTEM.open(kConfigFile, "r");
if (configFile) {
debug("Opened config file");
size_t size = configFile.size();
// Allocate a buffer to store contents of the file.
std::unique_ptr<char[]> buf(new char[size]);
configFile.readBytes(buf.get(), size);
DynamicJsonDocument json(kJsonConfigMaxSize);
if (!deserializeJson(json, buf.get(), kJsonConfigMaxSize)) {
debug("Json config file parsed ok.");
#if MQTT_ENABLE
strncpy(MqttServer, json[kMqttServerKey] | "", kHostnameLength);
strncpy(MqttPort, json[kMqttPortKey] | "1883", kPortLength);
strncpy(MqttUsername, json[kMqttUserKey] | "", kUsernameLength);
strncpy(MqttPassword, json[kMqttPassKey] | "", kPasswordLength);
strncpy(MqttPrefix, json[kMqttPrefixKey] | "", kHostnameLength);
#endif // MQTT_ENABLE
strncpy(Hostname, json[kHostnameKey] | "", kHostnameLength);
strncpy(HttpUsername, json[kHttpUserKey] | "", kUsernameLength);
strncpy(HttpPassword, json[kHttpPassKey] | "", kPasswordLength);
// Read in the GPIO settings.
#if IR_RX
// Single RX gpio
rx_gpio = json[KEY_RX_GPIO] | kDefaultIrRx;
#endif // IR_RX
// Potentially multiple TX gpios
for (uint16_t i = 0; i < kNrOfIrTxGpios; i++)
txGpioTable[i] = json[String(KEY_TX_GPIO + String(i)).c_str()] |
kDefaultIrLed;
debug("Recovered Json fields.");
success = true;
} else {
debug("Failed to load json config");
}
debug("Closing the config file.");
configFile.close();
}
} else {
debug("Config file doesn't exist!");
}
debug("Unmounting " FILESYSTEMSTR);
FILESYSTEM.end();
}
return success;
}
String timeElapsed(uint32_t const msec) {
String result = msToString(msec);
if (result.equalsIgnoreCase(D_STR_NOW))
return result;
else
return result + F(" ago");
}
String timeSince(uint32_t const start) {
if (start == 0)
return F("Never");
uint32_t diff = 0;
uint32_t now = millis();
if (start < now)
diff = now - start;
else
diff = UINT32_MAX - start + now;
return msToString(diff) + F(" ago");
}
String gpioToString(const int16_t gpio) {
if (gpio == kGpioUnused)
return F(D_STR_UNUSED);
else
return String(gpio);
}
int8_t getDefaultTxGpio(void) {
for (int16_t i = 0; i < kNrOfIrTxGpios; i++)
if (txGpioTable[i] != kGpioUnused) return txGpioTable[i];
return kGpioUnused;
}
// Return a string containing the comma separated list of sending gpios.
String listOfTxGpios(void) {
bool found = false;
String result = "";
for (uint16_t i = 0; i < kNrOfIrTxGpios; i++) {
if (i) result += ", ";
result += gpioToString(txGpioTable[i]);
if (!found && txGpioTable[i] == getDefaultTxGpio()) {
result += F(" (default)");
found = true;
}
}
return result;
}
String htmlMenu(void) {
String html = F("<center>");
html += htmlButton(kUrlRoot, F("Home"));
html += htmlButton(kUrlAircon, F("Aircon"));
#if EXAMPLES_ENABLE
html += htmlButton(kUrlExamples, F("Examples"));
#endif // EXAMPLES_ENABLE
html += htmlButton(kUrlInfo, F("System Info"));
html += htmlButton(kUrlAdmin, F("Admin"));
html += F("</center><hr>");
return html;
}
String htmlOptionItem(const String value, const String text, bool selected) {
String html = F("<option value='");
html += value + '\'';
if (selected) html += F(" selected='selected'");
html += '>' + text + F("</option>");
return html;
}
String htmlSelectAcStateProtocol(const String name, const decode_type_t def,
const bool simple) {
String html = "<select name='" + name + "'>";
for (uint8_t i = 1; i <= decode_type_t::kLastDecodeType; i++) {
if (simple ^ hasACState((decode_type_t)i)) {
switch (i) {
case decode_type_t::RAW:
case decode_type_t::PRONTO:
case decode_type_t::GLOBALCACHE:
break;
default:
html += htmlOptionItem(String(i), typeToString((decode_type_t)i),
i == def);
}
}
}
html += F("</select>");
return html;
}
// Root web page with example usage etc.
void handleRoot(void) {
#if HTML_PASSWORD_ENABLE
if (!server.authenticate(HttpUsername, HttpPassword)) {
debug("Basic HTTP authentication failure for /.");
return server.requestAuthentication();
}
#endif
String html = htmlHeader(F("ESP IR MQTT Server"));
html += F("<center><small><i>" _MY_VERSION_ "</i></small></center>");
html += htmlMenu();
html += F(
"<h3>Send a simple IR message</h3><p>"
"<form method='POST' action='/ir' enctype='multipart/form-data'>"
D_STR_PROTOCOL ": ");
html += htmlSelectAcStateProtocol(KEY_TYPE, decode_type_t::NEC, true);
html += F(
" " D_STR_CODE ": 0x<input type='text' name='" KEY_CODE "' min='0' "
"value='0' size='16' maxlength='16'> "
D_STR_BITS ": "
"<select name='" KEY_BITS "'>"
"<option selected='selected' value='0'>Default</option>"); // Default
for (uint8_t i = 0; i < sizeof(kCommonBitSizes); i++) {
String num = String(kCommonBitSizes[i]);
html += F("<option value='");
html += num;
html += F("'>");
html += num;
html += F("</option>");
}
html += F(
"</select>"
" " D_STR_REPEAT ": <input type='number' name='" KEY_REPEAT "' min='0' "
"max='99' value='0' size='2' maxlength='2'>"
" <input type='submit' value='Send " D_STR_CODE "'>"
"</form>"
"<br><hr>"
"<h3>Send a complex (Air Conditioner) IR message</h3><p>"
"<form method='POST' action='/ir' enctype='multipart/form-data'>"
D_STR_PROTOCOL ": ");
html += htmlSelectAcStateProtocol(KEY_TYPE, decode_type_t::KELVINATOR, false);
html += F(
" State " D_STR_CODE ": 0x"
"<input type='text' name='" KEY_CODE "' size='");
html += String(kStateSizeMax * 2);
html += F("' maxlength='");
html += String(kStateSizeMax * 2);
html += F("'"
" value='"
#if EXAMPLES_ENABLE
"190B8050000000E0190B8070000010F0"
#endif // EXAMPLES_ENABLE
"'>"
" <input type='submit' value='Send A/C " D_STR_CODE "'>"
"</form>"
"<br><hr>"
"<h3>Send an IRremote Raw IR message</h3><p>"
"<form method='POST' action='/ir' enctype='multipart/form-data'>"
"<input type='hidden' name='" KEY_TYPE "' value='30'>"
"String: (freq,array data) <input type='text' name='" KEY_CODE "'"
" size='132' value='"
#if EXAMPLES_ENABLE
"38000,4420,4420,520,1638,520,1638,520,1638,520,520,520,520,520,"
"520,520,520,520,520,520,1638,520,1638,520,1638,520,520,520,"
"520,520,520,520,520,520,520,520,520,520,1638,520,520,520,520,520,"
"520,520,520,520,520,520,520,520,1638,520,520,520,1638,520,1638,520,"
"1638,520,1638,520,1638,520,1638,520"
#endif // EXAMPLES_ENABLE
"'>"
" <input type='submit' value='Send Raw'>"
"</form>"
"<br><hr>"
"<h3>Send a <a href='https://irdb.globalcache.com/'>GlobalCache</a>"
" IR message</h3><p>"
"<form method='POST' action='/ir' enctype='multipart/form-data'>"
"<input type='hidden' name='" KEY_TYPE "' value='31'>"
"String: 1:1,1,<input type='text' name='" KEY_CODE "' size='132'"
" value='"
#if EXAMPLES_ENABLE
"38000,1,1,170,170,20,63,20,63,20,63,20,20,20,20,20,20,20,20,20,"
"20,20,63,20,63,20,63,20,20,20,20,20,20,20,20,20,20,20,20,20,63,20,"
"20,20,20,20,20,20,20,20,20,20,20,20,63,20,20,20,63,20,63,20,63,20,"
"63,20,63,20,63,20,1798"
#endif // EXAMPLES_ENABLE
"'>"
" <input type='submit' value='Send GlobalCache'>"
"</form>"
"<br><hr>"
"<h3>Send a <a href='http://www.remotecentral.com/cgi-bin/files/rcfiles.cgi"
"?area=pronto&db=discrete'>Pronto code</a> IR message</h3><p>"
"<form method='POST' action='/ir' enctype='multipart/form-data'>"
"<input type='hidden' name='" KEY_TYPE "' value='25'>"
"String (comma separated): <input type='text' name='" KEY_CODE "'"
" size='132' value='"
#if EXAMPLES_ENABLE
"0000,0067,0000,0015,0060,0018,0018,0018,0030,0018,0030,0018,"
"0030,0018,0018,0018,0030,0018,0018,0018,0018,0018,0030,0018,0018,"
"0018,0030,0018,0030,0018,0030,0018,0018,0018,0018,0018,0030,0018,"
"0018,0018,0018,0018,0030,0018,0018,03f6"
#endif // EXAMPLES_ENABLE
"'>"
" " D_STR_REPEAT ": <input type='number' name='" KEY_REPEAT "' min='0' "
"max='99' value='0' size='2' maxlength='2'>"
" <input type='submit' value='Send Pronto'>"
"</form>"
"<br>");
html += htmlEnd();
server.send(200, "text/html", html);
}
String addJsReloadUrl(const String url, const uint16_t timeout_s,
const bool notify) {
String html = F(
"<script type=\"text/javascript\">\n"
"<!--\n"
" function Redirect() {\n"
" window.location=\"");
html += url;
html += F("\";\n"
" }\n"
"\n");
if (notify && timeout_s) {
html += F(" document.write(\"You will be redirected to the main page in ");
html += String(timeout_s);
html += F(" " D_STR_SECONDS ".\");\n");
}
html += F(" setTimeout('Redirect()', ");
html += String(timeout_s * 1000); // Convert to mSecs
html += F(");\n"
"//-->\n"
"</script>\n");
return html;
}
#if EXAMPLES_ENABLE
// Web page with hardcoded example usage etc.
void handleExamples(void) {
#if HTML_PASSWORD_ENABLE
if (!server.authenticate(HttpUsername, HttpPassword)) {
debug("Basic HTTP authentication failure for /examples.");
return server.requestAuthentication();
}
#endif
String html = htmlHeader(F("IR MQTT examples"));
html += htmlMenu();
html += F(
"<h3>Hardcoded examples</h3>"
"<p><a href=\"ir?" KEY_CODE "=38000,1,69,341,171,21,64,21,64,21,21,21,21,"
"21,21,21,21,21,21,21,64,21,64,21,21,21,64,21,21,21,21,21,21,21,64,21,"
"21,21,64,21,21,21,21,21,21,21,64,21,21,21,21,21,21,21,21,21,64,21,64,"
"21,64,21,21,21,64,21,64,21,64,21,1600,341,85,21,3647"
"&" KEY_TYPE "=31\">Sherwood Amp " D_STR_ON " (GlobalCache)</a></p>"
"<p><a href=\"ir?" KEY_CODE "=38000,8840,4446,546,1664,546,1664,546,546,"
"546,546,546,546,546,546,546,546,546,1664,546,1664,546,546,546,1664,"
"546,546,546,546,546,546,546,1664,546,546,546,1664,546,546,546,1664,"
"546,1664,546,1664,546,546,546,546,546,546,546,546,546,1664,546,546,"
"546,546,546,546,546,1664,546,1664,546,1664,546,41600,8840,2210,546"
"&" KEY_TYPE "=30\">Sherwood Amp " D_STR_OFF " (Raw)</a></p>"
"<p><a href=\"ir?" KEY_CODE "=0000,006E,0022,0002,0155,00AA,0015,0040,0015,"
"0040,0015,0015,0015,0015,0015,0015,0015,0015,0015,0015,0015,0040,0015,"
"0040,0015,0015,0015,0040,0015,0015,0015,0015,0015,0015,0015,0040,0015,"
"0015,0015,0015,0015,0040,0015,0040,0015,0015,0015,0015,0015,0015,0015,"
"0015,0015,0015,0015,0040,0015,0015,0015,0015,0015,0040,0015,0040,0015,"
"0040,0015,0040,0015,0040,0015,0640,0155,0055,0015,0E40"
"&" KEY_TYPE "=25&" KEY_REPEAT "=1\">"
"Sherwood Amp Input TAPE (Pronto)</a></p>"
"<p><a href=\"ir?" KEY_TYPE "=7&" KEY_CODE "=E0E09966\">TV " D_STR_ON
" (Samsung)</a></p>"
"<p><a href=\"ir?" KEY_TYPE "=4&" KEY_CODE "=0xf50&bits=12\">" D_STR_POWER
" " D_STR_OFF " (Sony 12 " D_STR_BITS ")</a></p>"
"<p><a href=\"aircon/set?protocol=PANASONIC_AC&"
KEY_MODEL "=LKE&"
KEY_POWER "=on&"
KEY_MODE "=auto&"
KEY_FANSPEED "=min&"
KEY_TEMP "=23\">"
"Panasonic A/C " D_STR_MODEL " LKE, " D_STR_ON ", " D_STR_AUTO " "
D_STR_MODE ", " D_STR_MIN " " D_STR_FAN ", 23C"
" <i>(via HTTP aircon interface)</i></a></p>"
"<p><a href=\"aircon/set?" KEY_TEMP "=27\">"
"Change just the " D_STR_TEMP " to 27C <i>"
"(via HTTP aircon interface)</i></a></p>"
"<p><a href=\"aircon/set?" KEY_POWER "=off&" KEY_MODE "=off\">"
"Turn " D_STR_OFF " the current A/C <i>("
"via HTTP aircon interface)</i></a></p>"
"<br><hr>");
html += htmlEnd();
server.send(200, "text/html", html);
}
#endif // EXAMPLES_ENABLE
String htmlSelectBool(const String name, const bool def) {
String html = String(F("<select name='")) + name + F("'>");
for (uint16_t i = 0; i < 2; i++)
html += htmlOptionItem(IRac::boolToString(i), IRac::boolToString(i),
i == def);
html += F("</select>");
return html;
}
String htmlDisableCheckbox(const String name, const String targetControlId,
const bool checked, const String toggleJsFnName) {
String html = String(F("<input type='checkbox' name='")) + name + F("' id='")
+ name + F("' onclick=\"") + toggleJsFnName + F("(this, '") +
targetControlId + F("')\"");
if (checked) {
html += F(" checked");
}
html += "/><label for='" + name + F("'>Disabled</label>");
return html;
}
String htmlSelectClimateProtocol(const String name, const decode_type_t def) {
String html = String(F("<select name='")) + name + F("'>");
for (uint8_t i = 1; i <= decode_type_t::kLastDecodeType; i++) {
if (IRac::isProtocolSupported((decode_type_t)i)) {
html += htmlOptionItem(String(i), typeToString((decode_type_t)i),
i == def);
}
}
html += F("</select>");
return html;
}
String htmlSelectModel(const String name, const int16_t def) {
String html = String(F("<select name='")) + name + F("'>");
for (int16_t i = -1; i <= 6; i++) {
String num = String(i);