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airrohr-firmware.ino
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/************************************************************************
* *
* This source code needs to be compiled for the board *
* NodeMCU 1.0 (ESP-12E Module) *
* *
************************************************************************
* *
* airRohr firmware *
* Copyright (C) 2016-2020 Code for Stuttgart a.o. *
* Copyright (C) 2019-2020 Dirk Mueller *
* *
* This program 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. *
* *
* This program 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/>. *
* *
************************************************************************
* OK LAB Particulate Matter Sensor *
* - nodemcu-LoLin board *
* - Nova SDS0111 *
* http://inovafitness.com/en/Laser-PM2-5-Sensor-SDS011-35.html *
* *
* Wiring Instruction see included Readme.md *
* *
************************************************************************
* *
* Alternative *
* - nodemcu-LoLin board *
* *
* Wiring Instruction: *
* Pin 2 of dust sensor PM2.5 -> Digital 6 (PWM) *
* Pin 3 of dust sensor -> +5V *
* Pin 4 of dust sensor PM1 -> Digital 3 (PMW) *
* *
* *
************************************************************************
* *
* Please check Readme.md for other sensors and hardware *
* *
************************************************************************
*
* latest mit lib 2.6.1
* DATA: [==== ] 40.7% (used 33316 bytes from 81920 bytes)
* PROGRAM: [===== ] 49.3% (used 514788 bytes from 1044464 bytes)
* latest mit lib 2.5.2
* DATA: [==== ] 39.4% (used 32304 bytes from 81920 bytes)
* PROGRAM: [===== ] 48.3% (used 504812 bytes from 1044464 bytes)
*
************************************************************************/
#include <WString.h>
#include <pgmspace.h>
// increment on change
#define SOFTWARE_VERSION_STR "R_2025-01"
String SOFTWARE_VERSION(SOFTWARE_VERSION_STR);
/*****************************************************************
* Includes *
*****************************************************************/
#if defined(ESP8266)
#include <FS.h> // must be first
#include <ESP8266HTTPClient.h>
#include <ESP8266WiFi.h>
#include <ESP8266WebServer.h>
#include <ESP8266mDNS.h>
#include <SoftwareSerial.h>
#include <Hash.h>
#include <ctime>
#include <coredecls.h>
#include <sntp.h>
#include <Arduino.h>
#endif
#if defined(ESP32)
#define FORMAT_SPIFFS_IF_FAILED true
#include <FS.h>
#include <HTTPClient.h>
#include <SPIFFS.h>
#include <WiFi.h>
#include <WiFiClient.h>
#include <WiFiClientSecure.h>
#include <HardwareSerial.h>
#include "sha/sha_parallel_engine.h"
#include <WebServer.h>
#include <ESPmDNS.h>
#include "./i2s_noise/i2s_noise.h"
#include <MD5Builder.h>
#include <Update.h>
#endif
// includes common to ESP8266 and ESP32 (especially external libraries)
#include "./oledfont.h" // avoids including the default Arial font, needs to be included before SSD1306.h
#include <SH1106.h>
#include <SSD1306.h>
#include <LiquidCrystal_I2C.h>
#define ARDUINOJSON_ENABLE_ARDUINO_STREAM 0
#define ARDUINOJSON_ENABLE_ARDUINO_PRINT 0
#define ARDUINOJSON_DECODE_UNICODE 0
#include <ArduinoJson.h>
#include <DNSServer.h>
#include "./DHT.h"
#include <Adafruit_HTU21DF.h>
#include <Adafruit_BMP085.h>
#include <Adafruit_SHT31.h>
#include <StreamString.h>
#include <DallasTemperature.h>
#include <TinyGPS++.h>
#include "./bmx280_i2c.h"
#include "./sps30_i2c.h"
#include "./dnms_i2c.h"
#include "./dbmeter_regs.h"
#include "./intl.h"
#include "./utils.h"
#include "defines.h"
#include "ext_def.h"
#include "robonomics_servers.h"
#include "html-content.h"
#include "SparkFunCCS811.h"
#include "CG_RadSens.h"
#include <Robonomics.h>
#include <Ed25519.h>
//#include "radSens1v2.h"
/******************************************************************
* The variables inside the cfg namespace are persistent *
* configuration values. They have defaults which can be *
* configured at compile-time via the ext_def.h file *
* They can be changed by the user via the web interface, the *
* changes are persisted to the flash and read back after reboot. *
* Note that the names of these variables can't be easily changed *
* as they are part of the json format used to persist the data. *
******************************************************************/
namespace cfg {
unsigned debug = DEBUG;
unsigned time_for_wifi_config = 600000;
unsigned sending_intervall_ms = 145000;
char current_lang[3];
char current_reg[20];
// credentials for basic auth of internal web server
bool www_basicauth_enabled = WWW_BASICAUTH_ENABLED;
char www_username[LEN_WWW_USERNAME];
char www_password[LEN_CFG_PASSWORD];
// wifi credentials
char wlanssid[LEN_WLANSSID];
char wlanpwd[LEN_CFG_PASSWORD];
bool wlannopwd = WLANNOPWD;
// credentials of the sensor in access point mode
char fs_ssid[LEN_FS_SSID] = FS_SSID;
char fs_pwd[LEN_CFG_PASSWORD] = FS_PWD;
// (in)active sensors
bool dht_read = DHT_READ;
bool htu21d_read = HTU21D_READ;
bool dbmeter_read = DBMETER_READ;
bool i2snoise_read = I2SNOISE_READ;
bool ppd_read = PPD_READ;
bool sds_read = SDS_READ;
bool gc_read = GC_READ;
bool ccs811_27_read = CCS811_27_READ;
bool ccs811_read = CCS811_READ;
bool pms_read = PMS_READ;
bool hpm_read = HPM_READ;
bool npm_read = NPM_READ;
bool sps30_read = SPS30_READ;
bool bmp_read = BMP_READ;
bool bmx280_read = BMX280_READ;
bool sht3x_read = SHT3X_READ;
bool ds18b20_read = DS18B20_READ;
bool dnms_read = DNMS_READ;
char dnms_correction[LEN_DNMS_CORRECTION] = DNMS_CORRECTION;
char rws_owner[LEN_RWS_OWNER] = "Not Set";
char private_key[LEN_PRIVATE_KEY] = "Not Set";
char lat_gps[LEN_GPS_LAT] = GPS_LAT;
char lon_gps[LEN_GPS_LON] = GPS_LON;
char coords_gps[LEN_GPS_COORDS] = GPS_COORDS;
bool gps_read = GPS_READ;
char temp_correction[LEN_TEMP_CORRECTION] = TEMP_CORRECTION;
// send to "APIs"
bool send2dusti = SEND2SENSORCOMMUNITY;
bool send2madavi = SEND2MADAVI;
bool send2robonomics = SEND2ROBONOMICS;
bool send2sensemap = SEND2SENSEMAP;
bool send2fsapp = SEND2FSAPP;
bool send2aircms = SEND2AIRCMS;
bool send2custom = SEND2CUSTOM;
bool send2influx = SEND2INFLUX;
bool send2csv = SEND2CSV;
bool auto_update = AUTO_UPDATE;
bool use_beta = USE_BETA;
// (in)active displays
bool has_display = HAS_DISPLAY; // OLED with SSD1306 and I2C
bool has_sh1106 = HAS_SH1106;
bool has_flipped_display = HAS_FLIPPED_DISPLAY;
// bool has_lcd1602 = HAS_LCD1602;
// bool has_lcd1602_27 = HAS_LCD1602_27;
// bool has_lcd2004 = HAS_LCD2004;
// bool has_lcd2004_27 = HAS_LCD2004_27;
bool display_wifi_info = DISPLAY_WIFI_INFO;
bool display_device_info = DISPLAY_DEVICE_INFO;
// API settings
bool ssl_madavi = SSL_MADAVI;
bool ssl_dusti = SSL_SENSORCOMMUNITY;
char senseboxid[LEN_SENSEBOXID] = SENSEBOXID;
char host_influx[LEN_HOST_INFLUX];
char url_influx[LEN_URL_INFLUX];
unsigned port_influx = PORT_INFLUX;
char user_influx[LEN_USER_INFLUX] = USER_INFLUX;
char pwd_influx[LEN_CFG_PASSWORD] = PWD_INFLUX;
char measurement_name_influx[LEN_MEASUREMENT_NAME_INFLUX];
bool ssl_influx = SSL_INFLUX;
char host_custom[LEN_HOST_CUSTOM];
char url_custom[LEN_URL_CUSTOM];
bool ssl_custom = SSL_CUSTOM;
unsigned port_custom = PORT_CUSTOM;
char user_custom[LEN_USER_CUSTOM] = USER_CUSTOM;
char pwd_custom[LEN_CFG_PASSWORD] = PWD_CUSTOM;
char donated_by[LEN_DONATED_BY];
void initNonTrivials(const char* id) {
strcpy(cfg::current_lang, CURRENT_LANG);
strcpy(cfg::current_reg, CURRENT_REG);
strcpy_P(www_username, WWW_USERNAME);
strcpy_P(www_password, WWW_PASSWORD);
strcpy_P(wlanssid, WLANSSID);
strcpy_P(wlanpwd, WLANPWD);
strcpy_P(host_custom, HOST_CUSTOM);
strcpy_P(url_custom, URL_CUSTOM);
strcpy_P(host_influx, HOST_INFLUX);
strcpy_P(url_influx, URL_INFLUX);
strcpy_P(measurement_name_influx, MEASUREMENT_NAME_INFLUX);
strcpy_P(donated_by, DONATED_BY);
if (!*fs_ssid) {
strcpy(fs_ssid, SSID_BASENAME);
strcat(fs_ssid, id);
}
}
}
#define JSON_BUFFER_SIZE 2800
LoggerConfig loggerConfigs[LoggerCount];
long int sample_count = 0;
bool htu21d_init_failed = false;
bool dbmeter_init_failed = false;
bool bmp_init_failed = false;
bool bmx280_init_failed = false;
bool sht3x_init_failed = false;
bool dnms_init_failed = false;
bool gps_init_failed = false;
bool airrohr_selftest_failed = false;
#if defined(ESP8266)
ESP8266WebServer server(80);
#endif
#if defined(ESP32)
WebServer server(80);
#endif
#include "./airrohr-cfg.h"
/*****************************************************************
* Variables for Robonomics *
*****************************************************************/
int num_of_robonomics_API = 0;
String robonomics_host = "polkadot.rpc.robonomics.network";
Robonomics robonomics;
/*****************************************************************
* Variables for Noise Measurement DNMS *
*****************************************************************/
float last_value_dnms_laeq = -1.0;
float last_value_dnms_la_min = -1.0;
float last_value_dnms_la_max = -1.0;
/*****************************************************************
* Display definitions *
*****************************************************************/
// SSD1306* oled_ssd1306 = nullptr;
// SH1106* oled_sh1106 = nullptr;
// LiquidCrystal_I2C* lcd_1602 = nullptr;
// LiquidCrystal_I2C* lcd_2004 = nullptr;
/*****************************************************************
* SDS011 declarations *
*****************************************************************/
#if defined(ESP8266)
SoftwareSerial serialSDS;
// SoftwareSerial* serialGPS;
#endif
#if defined(ESP32)
#define serialSDS (Serial1)
// #include <HardwareSerial.h>
// // Define Serial2 on UART2
// HardwareSerial Serial2(2);
// #define serialGPS (&(Serial2))
#endif
/*****************************************************************
* DHT declaration *
*****************************************************************/
DHT dht(ONEWIRE_PIN, DHT_TYPE);
/*****************************************************************
* HTU21D declaration *
*****************************************************************/
Adafruit_HTU21DF htu21d;
/*****************************************************************
* BMP declaration *
*****************************************************************/
Adafruit_BMP085 bmp;
/*****************************************************************
* BMP/BME280 declaration *
*****************************************************************/
BMX280 bmx280;
/*****************************************************************
* SHT3x declaration *
*****************************************************************/
Adafruit_SHT31 sht3x;
/*****************************************************************
* DS18B20 declaration *
*****************************************************************/
OneWire oneWire;
DallasTemperature ds18b20(&oneWire);
/*****************************************************************
* GPS declaration *
*****************************************************************/
TinyGPSPlus gps;
/*****************************************************************
* CCS811 declaration *
*****************************************************************/
#define CCS811_ADDR 0x5A //Default I2C Address
#define CCS811_27_ADDR 0x5B //Alternate I2C Address
CCS811 ccs811(CCS811_ADDR);
CCS811 ccs811_27(CCS811_27_ADDR);
/*****************************************************************
* Radiation sensor declaration *
*****************************************************************/
CG_RadSens radSens(RS_DEFAULT_I2C_ADDRESS);
/*****************************************************************
* Variable Definitions for PPD24NS *
* P1 for PM10 & P2 for PM25 *
*****************************************************************/
boolean trigP1 = false;
boolean trigP2 = false;
unsigned long trigOnP1;
unsigned long trigOnP2;
unsigned long lowpulseoccupancyP1 = 0;
unsigned long lowpulseoccupancyP2 = 0;
bool send_now = false;
unsigned long starttime;
unsigned long time_point_device_start_ms;
unsigned long starttime_SDS;
unsigned long starttime_DB;
unsigned long starttime_GPS;
unsigned long starttime_NPM;
unsigned long last_NPM;
unsigned long act_micro;
unsigned long act_milli;
unsigned long last_micro = 0;
unsigned long min_micro = 1000000000;
unsigned long max_micro = 0;
bool is_SDS_running = true;
enum {
SDS_REPLY_HDR = 10,
SDS_REPLY_BODY = 8
} SDS_waiting_for;
bool is_PMS_running = true;
bool is_HPM_running = true;
bool is_NPM_running = true;
unsigned long sending_time = 0;
unsigned long last_update_attempt;
int last_update_returncode;
int last_sendData_returncode;
float last_value_BMP_T = -128.0;
float last_value_BMP_P = -1.0;
float last_value_BMX280_T = -128.0;
float last_value_BMX280_P = -1.0;
float last_value_BME280_H = -1.0;
float last_value_DHT_T = -128.0;
float last_value_DHT_H = -1.0;
float last_value_DS18B20_T = -1.0;
float last_value_HTU21D_T = -128.0;
float last_value_HTU21D_H = -1.0;
float last_value_SHT3X_T = -128.0;
float last_value_SHT3X_H = -1.0;
uint8_t last_value_DBMETER = 0;
uint8_t last_value_DBMETER_max = 0;
uint32_t last_value_DBMETER_sum = 0;
uint8_t last_value_DBMETER_count = 0;
float last_value_DBMETER_mean = 0;
uint32_t sds_pm10_sum = 0;
uint32_t sds_pm25_sum = 0;
uint32_t sds_val_count = 0;
uint32_t sds_pm10_max = 0;
uint32_t sds_pm10_min = 20000;
uint32_t sds_pm25_max = 0;
uint32_t sds_pm25_min = 20000;
int pms_pm1_sum = 0;
int pms_pm10_sum = 0;
int pms_pm25_sum = 0;
int pms_val_count = 0;
int pms_pm1_max = 0;
int pms_pm1_min = 20000;
int pms_pm10_max = 0;
int pms_pm10_min = 20000;
int pms_pm25_max = 0;
int pms_pm25_min = 20000;
int hpm_pm10_sum = 0;
int hpm_pm25_sum = 0;
int hpm_val_count = 0;
int hpm_pm10_max = 0;
int hpm_pm10_min = 20000;
int hpm_pm25_max = 0;
int hpm_pm25_min = 20000;
uint32_t npm_pm1_sum = 0;
uint32_t npm_pm10_sum = 0;
uint32_t npm_pm25_sum = 0;
uint32_t npm_pm1_sum_pcs = 0;
uint32_t npm_pm10_sum_pcs = 0;
uint32_t npm_pm25_sum_pcs = 0;
uint16_t npm_val_count = 0;
uint16_t npm_pm1_max = 0;
uint16_t npm_pm1_min = 20000;
uint16_t npm_pm10_max = 0;
uint16_t npm_pm10_min = 20000;
uint16_t npm_pm25_max = 0;
uint16_t npm_pm25_min = 20000;
uint16_t npm_pm1_max_pcs = 0;
uint16_t npm_pm1_min_pcs = 60000;
uint16_t npm_pm10_max_pcs = 0;
uint16_t npm_pm10_min_pcs = 60000;
uint16_t npm_pm25_max_pcs = 0;
uint16_t npm_pm25_min_pcs = 60000;
bool newCmdNPM = true;
float last_value_SPS30_P0 = -1.0;
float last_value_SPS30_P1 = -1.0;
float last_value_SPS30_P2 = -1.0;
float last_value_SPS30_P4 = -1.0;
float last_value_SPS30_N05 = -1.0;
float last_value_SPS30_N1 = -1.0;
float last_value_SPS30_N25 = -1.0;
float last_value_SPS30_N4 = -1.0;
float last_value_SPS30_N10 = -1.0;
float last_value_SPS30_TS = -1.0;
float value_SPS30_P0 = 0.0;
float value_SPS30_P1 = 0.0;
float value_SPS30_P2 = 0.0;
float value_SPS30_P4 = 0.0;
float value_SPS30_N05 = 0.0;
float value_SPS30_N1 = 0.0;
float value_SPS30_N25 = 0.0;
float value_SPS30_N4 = 0.0;
float value_SPS30_N10 = 0.0;
float value_SPS30_TS = 0.0;
uint16_t SPS30_measurement_count = 0;
unsigned long SPS30_read_counter = 0;
unsigned long SPS30_read_error_counter = 0;
unsigned long SPS30_read_timer = 0;
bool sps30_init_failed = false;
bool ccs811_init_failed = false;
bool gc_init_failed = false;
float last_value_PPD_P1 = -1.0;
float last_value_PPD_P2 = -1.0;
float last_value_SDS_P1 = -1.0;
float last_value_SDS_P2 = -1.0;
float last_value_CCS811_CO2 = -1.0;
float last_value_CCS811_TVOC = -1.0;
float last_value_gc = -1.0;
float last_value_PMS_P0 = -1.0;
float last_value_PMS_P1 = -1.0;
float last_value_PMS_P2 = -1.0;
float last_value_HPM_P1 = -1.0;
float last_value_HPM_P2 = -1.0;
float last_value_NPM_P0 = -1.0;
float last_value_NPM_P1 = -1.0;
float last_value_NPM_P2 = -1.0;
float last_value_NPM_N0 = -1.0;
float last_value_NPM_N1 = -1.0;
float last_value_NPM_N2 = -1.0;
float last_value_GPS_alt = -1000.0;
double last_value_GPS_lat = -200.0;
double last_value_GPS_lon = -200.0;
String last_value_GPS_timestamp;
String last_data_string;
int last_signal_strength;
int last_disconnect_reason;
String esp_chipid;
String esp_mac_id;
String last_value_SDS_version;
unsigned long SDS_error_count;
unsigned long WiFi_error_count;
unsigned long last_page_load = millis();
bool wificonfig_loop = false;
uint8_t sntp_time_set;
unsigned long count_sends = 0;
unsigned long last_display_millis = 0;
uint8_t next_display_count = 0;
struct struct_wifiInfo {
char ssid[LEN_WLANSSID];
uint8_t encryptionType;
int32_t RSSI;
int32_t channel;
#if defined(ESP8266)
bool isHidden;
uint8_t unused[3];
#endif
};
struct struct_wifiInfo *wifiInfo;
uint8_t count_wifiInfo;
#define msSince(timestamp_before) (act_milli - (timestamp_before))
const char data_first_part[] PROGMEM = "{\"software_version\": \"" SOFTWARE_VERSION_STR "\", \"sensordatavalues\":[";
const char JSON_SENSOR_DATA_VALUES[] PROGMEM = "sensordatavalues";
/*****************************************************************
* display values *
*****************************************************************/
// static void display_debug(const String& text1, const String& text2) {
// debug_outln_info(F("output debug text to displays..."));
// if (oled_ssd1306) {
// oled_ssd1306->clear();
// oled_ssd1306->displayOn();
// oled_ssd1306->setTextAlignment(TEXT_ALIGN_LEFT);
// oled_ssd1306->drawString(0, 12, text1);
// oled_ssd1306->drawString(0, 24, text2);
// oled_ssd1306->display();
// }
// if (oled_sh1106) {
// oled_sh1106->clear();
// oled_sh1106->displayOn();
// oled_sh1106->setTextAlignment(TEXT_ALIGN_LEFT);
// oled_sh1106->drawString(0, 12, text1);
// oled_sh1106->drawString(0, 24, text2);
// oled_sh1106->display();
// }
// if (lcd_1602) {
// lcd_1602->clear();
// lcd_1602->setCursor(0, 0);
// lcd_1602->print(text1);
// lcd_1602->setCursor(0, 1);
// lcd_1602->print(text2);
// }
// if (lcd_2004) {
// lcd_2004->clear();
// lcd_2004->setCursor(0, 0);
// lcd_2004->print(text1);
// lcd_2004->setCursor(0, 1);
// lcd_2004->print(text2);
// }
// }
/*****************************************************************
* init CCS811 sensor *
*****************************************************************/
static void initSensorCCS811() {
Wire.begin();
if (cfg::ccs811_read) {
debug_outln_info(F("Trying CCS811 on 0x5A"));
if (ccs811.begin() == false) {
ccs811_init_failed = true;
debug_outln_error(F("CCS811 error starting measurement"));
return;
}
}
if (cfg::ccs811_27_read) {
debug_outln_info(F("Trying CCS811 on 0x5B"));
if (ccs811_27.begin() == false) {
ccs811_init_failed = true;
debug_outln_error(F("CCS811 error starting measurement"));
return;
}
}
}
/*****************************************************************
* init DB Meter sensor *
*****************************************************************/
static void initDBMeter() {
// Read version register
uint8_t version = dbmeter_readreg(DBM_REG_VERSION);
if (version != 255) {
debug_outln_info(F("DB Meter version = "), String(version));
} else {
debug_outln_info(F("Check DB Meter wiring..."));
dbmeter_init_failed = true;
}
}
/*****************************************************************
* read SDS011 sensor serial and firmware date *
*****************************************************************/
static String SDS_version_date() {
if (cfg::sds_read && !last_value_SDS_version.length()) {
debug_outln_verbose(FPSTR(DBG_TXT_START_READING), FPSTR(DBG_TXT_SDS011_VERSION_DATE));
is_SDS_running = SDS_cmd(PmSensorCmd::Start);
delay(250);
#if defined(ESP8266)
serialSDS.perform_work();
#endif
serialSDS.flush();
// Query Version/Date
SDS_rawcmd(0x07, 0x00, 0x00);
delay(400);
const constexpr uint8_t header_cmd_response[2] = { 0xAA, 0xC5 };
while (serialSDS.find(header_cmd_response, sizeof(header_cmd_response))) {
uint8_t data[8];
unsigned r = serialSDS.readBytes(data, sizeof(data));
if (r == sizeof(data) && data[0] == 0x07 && SDS_checksum_valid(data)) {
char tmp[20];
snprintf_P(tmp, sizeof(tmp), PSTR("%02d-%02d-%02d(%02x%02x)"),
data[1], data[2], data[3], data[4], data[5]);
last_value_SDS_version = tmp;
break;
}
}
debug_outln_verbose(FPSTR(DBG_TXT_END_READING), FPSTR(DBG_TXT_SDS011_VERSION_DATE));
}
return last_value_SDS_version;
}
/*****************************************************************
* disable unneeded NMEA sentences, TinyGPS++ needs GGA, RMC *
*****************************************************************/
static void disable_unneeded_nmea() {
// serialGPS->println(F("$PUBX,40,GLL,0,0,0,0*5C")); // Geographic position, latitude / longitude
// // serialGPS->println(F("$PUBX,40,GGA,0,0,0,0*5A")); // Global Positioning System Fix Data
// serialGPS->println(F("$PUBX,40,GSA,0,0,0,0*4E")); // GPS DOP and active satellites
// // serialGPS->println(F("$PUBX,40,RMC,0,0,0,0*47")); // Recommended minimum specific GPS/Transit data
// serialGPS->println(F("$PUBX,40,GSV,0,0,0,0*59")); // GNSS satellites in view
// serialGPS->println(F("$PUBX,40,VTG,0,0,0,0*5E")); // Track made good and ground speed
}
/*****************************************************************
* read config from spiffs *
*****************************************************************/
/* backward compatibility for the times when we stored booleans as strings */
static bool boolFromJSON(const DynamicJsonDocument& json, const __FlashStringHelper* key)
{
if (json[key].is<char*>()) {
return !strcmp_P(json[key].as<char*>(), PSTR("true"));
}
return json[key].as<bool>();
}
static void readConfig(bool oldconfig = false) {
bool rewriteConfig = false;
String cfgName(F("/config.json"));
if (oldconfig) {
cfgName += F(".old");
}
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
File configFile = SPIFFS.open(cfgName, "r");
if (!configFile) {
if (!oldconfig) {
return readConfig(true /* oldconfig */);
}
debug_outln_error(F("failed to open config file."));
return;
}
debug_outln_info(F("opened config file..."));
DynamicJsonDocument json(JSON_BUFFER_SIZE);
DeserializationError err = deserializeJson(json, configFile.readString());
configFile.close();
#pragma GCC diagnostic pop
if (!err) {
debug_outln_info(F("parsed json..."));
for (unsigned e = 0; e < sizeof(configShape)/sizeof(configShape[0]); ++e) {
ConfigShapeEntry c;
memcpy_P(&c, &configShape[e], sizeof(ConfigShapeEntry));
if (json[c.cfg_key()].isNull()) {
continue;
}
switch (c.cfg_type) {
case Config_Type_Bool:
*(c.cfg_val.as_bool) = boolFromJSON(json, c.cfg_key());
break;
case Config_Type_UInt:
case Config_Type_Time:
*(c.cfg_val.as_uint) = json[c.cfg_key()].as<unsigned int>();
break;
case Config_Type_String:
case Config_Type_Password:
strncpy(c.cfg_val.as_str, json[c.cfg_key()].as<char*>(), c.cfg_len);
c.cfg_val.as_str[c.cfg_len] = '\0';
break;
};
}
String writtenVersion(json["SOFTWARE_VERSION"].as<char*>());
if (writtenVersion.length() && writtenVersion[0] == 'N' && SOFTWARE_VERSION != writtenVersion) {
debug_outln_info(F("Rewriting old config from: "), writtenVersion);
// would like to do that, but this would wipe firmware.old which the two stage loader
// might still need
// SPIFFS.format();
rewriteConfig = true;
}
if (cfg::sending_intervall_ms < READINGTIME_SDS_MS) {
cfg::sending_intervall_ms = READINGTIME_SDS_MS;
}
if (strcmp_P(cfg::senseboxid, PSTR("00112233445566778899aabb")) == 0) {
cfg::senseboxid[0] = '\0';
cfg::send2sensemap = false;
rewriteConfig = true;
}
if (strlen(cfg::measurement_name_influx) == 0) {
strcpy_P(cfg::measurement_name_influx, MEASUREMENT_NAME_INFLUX);
rewriteConfig = true;
}
if (strcmp_P(cfg::host_influx, PSTR("api.luftdaten.info")) == 0) {
cfg::host_influx[0] = '\0';
cfg::send2influx = false;
rewriteConfig = true;
}
if (boolFromJSON(json, F("pm24_read")) || boolFromJSON(json, F("pms32_read"))) {
cfg::pms_read = true;
rewriteConfig = true;
}
if (boolFromJSON(json, F("bmp280_read")) || boolFromJSON(json, F("bme280_read"))) {
cfg::bmx280_read = true;
rewriteConfig = true;
}
} else {
debug_outln_error(F("failed to load json config"));
if (!oldconfig) {
return readConfig(true /* oldconfig */);
}
}
if (rewriteConfig) {
writeConfig();
}
}
static void init_config() {
debug_outln_info(F("mounting FS..."));
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#if defined(ESP32)
bool spiffs_begin_ok = SPIFFS.begin(FORMAT_SPIFFS_IF_FAILED);
#else
bool spiffs_begin_ok = SPIFFS.begin();
#endif
#pragma GCC diagnostic pop
if (!spiffs_begin_ok) {
debug_outln_error(F("failed to mount FS"));
return;
}
readConfig();
}
/*****************************************************************
* write config to spiffs *
*****************************************************************/
static bool writeConfig() {
DynamicJsonDocument json(JSON_BUFFER_SIZE);
debug_outln_info(F("Saving config..."));
json["SOFTWARE_VERSION"] = SOFTWARE_VERSION;
for (unsigned e = 0; e < sizeof(configShape)/sizeof(configShape[0]); ++e) {
ConfigShapeEntry c;
memcpy_P(&c, &configShape[e], sizeof(ConfigShapeEntry));
switch (c.cfg_type) {
case Config_Type_Bool:
json[c.cfg_key()].set(*c.cfg_val.as_bool);
break;
case Config_Type_UInt:
case Config_Type_Time:
json[c.cfg_key()].set(*c.cfg_val.as_uint);
break;
case Config_Type_Password:
case Config_Type_String:
json[c.cfg_key()].set(c.cfg_val.as_str);
break;
};
}
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
SPIFFS.remove(F("/config.json.old"));
SPIFFS.rename(F("/config.json"), F("/config.json.old"));
File configFile = SPIFFS.open(F("/config.json"), "w");
if (configFile) {
serializeJson(json, configFile);
configFile.close();
debug_outln_info(F("Config written successfully."));
} else {
debug_outln_error(F("failed to open config file for writing"));
return false;
}
configFile.close();
#pragma GCC diagnostic pop
return true;
}
/*****************************************************************
* Prepare information for data Loggers *
*****************************************************************/
static void createLoggerConfigs() {
#if defined(ESP8266)
auto new_session = []() { return new BearSSL::Session; };
#else
auto new_session = []() { return nullptr; };
#endif
if (cfg::send2dusti) {
loggerConfigs[LoggerSensorCommunity].destport = 80;
if (cfg::ssl_dusti) {
loggerConfigs[LoggerSensorCommunity].destport = 443;
loggerConfigs[LoggerSensorCommunity].session = new_session();
}
}
loggerConfigs[LoggerMadavi].destport = PORT_MADAVI;
if (cfg::send2madavi && cfg::ssl_madavi) {
loggerConfigs[LoggerMadavi].destport = 443;
loggerConfigs[LoggerMadavi].session = new_session();
}
loggerConfigs[LoggerRobonomics].destport = PORT_ROBONOMICS;
loggerConfigs[LoggerSensemap].destport = PORT_SENSEMAP;
loggerConfigs[LoggerSensemap].session = new_session();
loggerConfigs[LoggerFSapp].destport = PORT_FSAPP;
loggerConfigs[Loggeraircms].destport = PORT_AIRCMS;
loggerConfigs[LoggerInflux].destport = cfg::port_influx;
if (cfg::send2influx && cfg::ssl_influx) {
loggerConfigs[LoggerInflux].session = new_session();
}
loggerConfigs[LoggerCustom].destport = cfg::port_custom;
if (cfg::send2custom && (cfg::ssl_custom || (cfg::port_custom == 443))) {
loggerConfigs[LoggerCustom].session = new_session();
}
}
/*****************************************************************
* html helper functions *
*****************************************************************/
static void start_html_page(String& page_content, const String& title) {
last_page_load = millis();
RESERVE_STRING(s, LARGE_STR);
s = FPSTR(WEB_PAGE_HEADER);
s.replace("{t}", title);
server.setContentLength(CONTENT_LENGTH_UNKNOWN);
server.send(200, FPSTR(TXT_CONTENT_TYPE_TEXT_HTML), s);
server.sendContent_P(WEB_PAGE_HEADER_HEAD);
s = FPSTR(WEB_PAGE_HEADER_BODY);
s.replace("{addr}", robonomics.getSs58Address());
s.replace("{t}", title);
if (title != " ") {
s.replace("{n}", F("»"));
} else {
s.replace("{n}", emptyString);
}
s.replace("{id}", esp_chipid);
s.replace("{macid}", esp_mac_id);
s.replace("{mac}", WiFi.macAddress());
page_content += s;
}
static void end_html_page(String& page_content) {
if (page_content.length()) {
server.sendContent(page_content);
}
server.sendContent_P(WEB_PAGE_FOOTER);
}
static void add_form_input(String& page_content, const ConfigShapeId cfgid, const __FlashStringHelper* info, const int length) {
RESERVE_STRING(s, MED_STR);
s = F("<tr>"
"<td title='[<= {l}]'>{i}: </td>"
"<td style='width:{l}em'>"
"<input type='{t}' name='{n}' id='{n}' placeholder='{i}' value='{v}' maxlength='{l}'/>"
"</td></tr>");
String t_value;
ConfigShapeEntry c;
memcpy_P(&c, &configShape[cfgid], sizeof(ConfigShapeEntry));
switch (c.cfg_type) {
case Config_Type_UInt:
t_value = String(*c.cfg_val.as_uint);
s.replace("{t}", F("number"));
break;
case Config_Type_Time:
t_value = String((*c.cfg_val.as_uint) / 1000);
s.replace("{t}", F("number"));
break;
default:
if (c.cfg_type == Config_Type_Password) {
s.replace("{t}", F("password"));
info = FPSTR(INTL_PASSWORD);
} else {
t_value = c.cfg_val.as_str;
t_value.replace("'", "'");
s.replace("{t}", F("text"));
}
}
s.replace("{i}", info);
s.replace("{n}", String(c.cfg_key()));
s.replace("{v}", t_value);
s.replace("{l}", String(length));
page_content += s;
}
static String form_checkbox(const ConfigShapeId cfgid, const String& info, const bool linebreak) {
RESERVE_STRING(s, MED_STR);
s = F("<label for='{n}'>"
"<input type='checkbox' name='{n}' value='1' id='{n}' {c}/>"
"<input type='hidden' name='{n}' value='0'/>"
"{i}</label><br/>");
if (*configShape[cfgid].cfg_val.as_bool) {
s.replace("{c}", F(" checked='checked'"));
} else {
s.replace("{c}", emptyString);