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Initial version for testing

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Magnus
2021-03-26 19:42:58 +01:00
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/*
MIT License
Copyright (c) 2021 Magnus
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
//#define DEBUG_ESP_HTTP_SERVER
#include "webserver.h"
#include "config.h"
#include "helper.h"
#include "gyro.h"
#include "calc.h"
#include "tempsensor.h"
#include <ArduinoJson.h>
#include <incbin.h>
#include <ESP8266WiFi.h>
#include <ESP8266WebServer.h>
#include <ESP8266mDNS.h>
#include <LittleFS.h>
// Binary resouces
#if defined( EMBED_HTML )
INCBIN_EXTERN(IndexHtm);
INCBIN_EXTERN(DeviceHtm);
INCBIN_EXTERN(ConfigHtm);
INCBIN_EXTERN(AboutHtm);
#endif
WebServer myWebServer;
ESP8266WebServer server(80);
extern bool sleepModeActive;
extern bool sleepModeAlwaysSkip;
//
// Callback from webServer when / has been accessed.
//
void webHandleDevice() {
#if LOG_LEVEL==6
Log.verbose(F("WEB : webServer callback for /api/config." CR));
#endif
DynamicJsonDocument doc(100);
doc[ CFG_PARAM_ID ] = myConfig.getID();
doc[ CFG_PARAM_APP_NAME ] = CFG_APPNAME;
doc[ CFG_PARAM_APP_VER ] = CFG_APPVER;
doc[ CFG_PARAM_MDNS ] = myConfig.getMDNS();
#if LOG_LEVEL==6
serializeJson(doc, Serial);
Serial.print( CR );
#endif
String out;
serializeJson(doc, out);
server.send(200, "application/json", out.c_str() );
}
//
// Callback from webServer when / has been accessed.
//
void webHandleConfig() {
#if LOG_LEVEL==6
Log.verbose(F("WEB : webServer callback for /api/config." CR));
#endif
DynamicJsonDocument doc(CFG_JSON_BUFSIZE);
myConfig.createJson( doc );
double angle = myGyro.getAngle();
double temp = myTempSensor.getValueCelcius();
double gravity = calculateGravity( angle, temp );
doc[ CFG_PARAM_ANGLE ] = reduceFloatPrecision( angle);
doc[ CFG_PARAM_GRAVITY ] = reduceFloatPrecision( gravityTemperatureCorrection( gravity, temp ), 4);
doc[ CFG_PARAM_BATTERY ] = reduceFloatPrecision( myBatteryVoltage.getVoltage());
#if LOG_LEVEL==6
serializeJson(doc, Serial);
Serial.print( CR );
#endif
String out;
serializeJson(doc, out);
server.send(200, "application/json", out.c_str() );
}
//
// Callback from webServer when / has been accessed.
//
void webHandleCalibrate() {
String id = server.arg( CFG_PARAM_ID );
#if LOG_LEVEL==6
Log.verbose(F("WEB : webServer callback for /api/calibrate." CR));
#endif
if( !id.equalsIgnoreCase( myConfig.getID() ) ) {
Log.error(F("WEB : Wrong ID received %s, expected %s" CR), id.c_str(), myConfig.getID());
server.send(400, "text/plain", "Invalid ID.");
return;
}
myGyro.calibrateSensor();
server.send(200, "text/plain", "Device calibrated" );
}
//
// Callback from webServer when / has been accessed.
//
void webHandleFactoryReset() {
String id = server.arg( CFG_PARAM_ID );
#if LOG_LEVEL==6
Log.verbose(F("WEB : webServer callback for /api/factory." CR));
#endif
if( !id.compareTo( myConfig.getID() ) ) {
server.send(200, "text/plain", "Doing reset...");
LittleFS.remove(CFG_FILENAME);
LittleFS.end();
delay(500);
ESP.reset();
} else {
server.send(400, "text/plain", "Unknown ID.");
}
}
//
// Callback from webServer when / has been accessed.
//
void webHandleStatus() {
#if LOG_LEVEL==6
Log.verbose(F("WEB : webServer callback for /api/status." CR));
#endif
DynamicJsonDocument doc(256);
double angle = myGyro.getAngle();
double temp = myTempSensor.getValueCelcius();
double gravity = calculateGravity( angle, temp );
doc[ CFG_PARAM_ID ] = myConfig.getID();
doc[ CFG_PARAM_ANGLE ] = reduceFloatPrecision( angle);
doc[ CFG_PARAM_GRAVITY ] = reduceFloatPrecision( gravityTemperatureCorrection( gravity, temp ), 4);
doc[ CFG_PARAM_TEMP_C ] = reduceFloatPrecision( temp, 1);
doc[ CFG_PARAM_TEMP_F ] = reduceFloatPrecision( myTempSensor.getValueFarenheight(), 1);
doc[ CFG_PARAM_BATTERY ] = reduceFloatPrecision( myBatteryVoltage.getVoltage());
doc[ CFG_PARAM_TEMPFORMAT ] = String( myConfig.getTempFormat() );
doc[ CFG_PARAM_SLEEP_MODE ] = sleepModeAlwaysSkip;
doc[ CFG_PARAM_RSSI ] = WiFi.RSSI();
#if LOG_LEVEL==6
serializeJson(doc, Serial);
Serial.print( CR );
#endif
String out;
serializeJson(doc, out);
server.send(200, "application/json", out.c_str() );
}
//
// Callback from webServer when / has been accessed.
//
void webHandleClearWIFI() {
String id = server.arg( CFG_PARAM_ID );
#if LOG_LEVEL==6
Log.verbose(F("WEB : webServer callback for /api/clearwifi." CR));
#endif
if( !id.compareTo( myConfig.getID() ) ) {
server.send(200, "text/plain", "Clearing WIFI credentials and doing reset...");
delay(1000);
WiFi.disconnect(); // Clear credentials
ESP.reset();
} else {
server.send(400, "text/plain", "Unknown ID.");
}
}
//
// Used to force the device to never sleep.
//
void webHandleStatusSleepmode() {
String id = server.arg( CFG_PARAM_ID );
#if LOG_LEVEL==6
Log.verbose(F("WEB : webServer callback for /api/status/sleepmode." CR) );
#endif
if( !id.equalsIgnoreCase( myConfig.getID() ) ) {
Log.error(F("WEB : Wrong ID received %s, expected %s" CR), id.c_str(), myConfig.getID());
server.send(400, "text/plain", "Invalid ID.");
return;
}
#if LOG_LEVEL==6
Log.verbose(F("WEB : sleep-mode=%s." CR), server.arg( CFG_PARAM_SLEEP_MODE ).c_str() );
#endif
if( server.arg( CFG_PARAM_SLEEP_MODE ).equalsIgnoreCase( "true" ) )
sleepModeAlwaysSkip = true;
else
sleepModeAlwaysSkip = false;
server.send(200, "text/plain", "Sleep mode updated" );
}
//
// Update device settings.
//
void webHandleConfigDevice() {
String id = server.arg( CFG_PARAM_ID );
#if LOG_LEVEL==6
Log.verbose(F("WEB : webServer callback for /api/config/device." CR) );
#endif
if( !id.equalsIgnoreCase( myConfig.getID() ) ) {
Log.error(F("WEB : Wrong ID received %s, expected %s" CR), id.c_str(), myConfig.getID());
server.send(400, "text/plain", "Invalid ID.");
return;
}
#if LOG_LEVEL==6
Log.verbose(F("WEB : mdns=%s, temp-format=%s." CR), server.arg( CFG_PARAM_MDNS ).c_str(), server.arg( CFG_PARAM_TEMPFORMAT ).c_str() );
#endif
myConfig.setMDNS( server.arg( CFG_PARAM_MDNS ).c_str() );
myConfig.setTempFormat( server.arg( CFG_PARAM_TEMPFORMAT ).charAt(0) );
myConfig.saveFile();
server.sendHeader("Location", "/config.htm#collapseOne", true);
server.send(302, "text/plain", "Device config updated" );
}
//
// Update push settings.
//
void webHandleConfigPush() {
String id = server.arg( CFG_PARAM_ID );
#if LOG_LEVEL==6
Log.verbose(F("WEB : webServer callback for /api/config/push." CR) );
#endif
if( !id.equalsIgnoreCase( myConfig.getID() ) ) {
Log.error(F("WEB : Wrong ID received %s, expected %s" CR), id.c_str(), myConfig.getID());
server.send(400, "text/plain", "Invalid ID.");
return;
}
#if LOG_LEVEL==6
Log.verbose(F("WEB : http=%s, bf=%s interval=%s." CR), server.arg( CFG_PARAM_PUSH_HTTP ).c_str(), server.arg( CFG_PARAM_PUSH_BREWFATHER ).c_str(), server.arg( CFG_PARAM_PUSH_INTERVAL ).c_str() );
#endif
myConfig.setHttpPushTarget( server.arg( CFG_PARAM_PUSH_HTTP ).c_str() );
myConfig.setBrewfatherPushTarget( server.arg( CFG_PARAM_PUSH_BREWFATHER ).c_str() );
myConfig.setPushInterval( server.arg( CFG_PARAM_PUSH_INTERVAL ).c_str() );
myConfig.saveFile();
server.sendHeader("Location", "/config.htm#collapseTwo", true);
server.send(302, "text/plain", "Push config updated" );
}
//
// Update gravity settings.
//
void webHandleConfigGravity() {
String id = server.arg( CFG_PARAM_ID );
#if LOG_LEVEL==6
Log.verbose(F("WEB : webServer callback for /api/config/gravity." CR) );
#endif
if( !id.equalsIgnoreCase( myConfig.getID() ) ) {
Log.error(F("WEB : Wrong ID received %s, expected %s" CR), id.c_str(), myConfig.getID());
server.send(400, "text/plain", "Invalid ID.");
return;
}
#if LOG_LEVEL==6
Log.verbose(F("WEB : formula=%s, temp-corr=%s." CR), server.arg( CFG_PARAM_GRAVITY_FORMULA ).c_str(), server.arg( CFG_PARAM_GRAVITY_TEMP_ADJ ).c_str() );
#endif
myConfig.setGravityFormula( server.arg( CFG_PARAM_GRAVITY_FORMULA ).c_str() );
myConfig.setGravityTempAdj( server.arg( CFG_PARAM_GRAVITY_TEMP_ADJ ).equalsIgnoreCase( "on" ) ? true:false);
myConfig.saveFile();
server.sendHeader("Location", "/config.htm#collapseThree", true);
server.send(302, "text/plain", "Gravity config updated" );
}
//
// Update hardware settings.
//
void webHandleConfigHardware() {
String id = server.arg( CFG_PARAM_ID );
#if LOG_LEVEL==6
Log.verbose(F("WEB : webServer callback for /api/config/hardware." CR) );
#endif
if( !id.equalsIgnoreCase( myConfig.getID() ) ) {
Log.error(F("WEB : Wrong ID received %s, expected %s" CR), id.c_str(), myConfig.getID());
server.send(400, "text/plain", "Invalid ID.");
return;
}
#if LOG_LEVEL==6
Log.verbose(F("WEB : vf=%s, tempadj=%s, ota=%s." CR), server.arg( CFG_PARAM_VOLTAGEFACTOR ).c_str(), server.arg( CFG_PARAM_TEMP_ADJ ).c_str(), server.arg( CFG_PARAM_OTA ).c_str() );
#endif
myConfig.setVoltageFactor( server.arg( CFG_PARAM_VOLTAGEFACTOR ).toFloat() );
myConfig.setTempSensorAdj( server.arg( CFG_PARAM_TEMP_ADJ ).toFloat() );
myConfig.setOtaURL( server.arg( CFG_PARAM_OTA ).c_str() );
myConfig.saveFile();
server.sendHeader("Location", "/config.htm#collapseFour", true);
server.send(302, "text/plain", "Hardware config updated" );
}
//
// Setup the Web Server callbacks and start it
//
bool WebServer::setupWebServer() {
#if LOG_LEVEL==6
Log.verbose(F("WEB : Setting up web server." CR));
#endif
Log.notice(F("WEB : Web server setup started." CR));
MDNS.begin( myConfig.getMDNS() );
MDNS.addService("http", "tcp", 80);
// Static content
#if defined( EMBED_HTML )
server.on("/",[]() {
server.send_P(200, "text/html", (const char*) gIndexHtmData, gIndexHtmSize );
} );
server.on("/index.htm",[]() {
server.send_P(200, "text/html", (const char*) gIndexHtmData, gIndexHtmSize );
} );
server.on("/device.htm",[]() {
server.send_P(200, "text/html", (const char*) gDeviceHtmData, gDeviceHtmSize );
} );
server.on("/config.htm",[]() {
server.send_P(200, "text/html", (const char*) gConfigHtmData, gConfigHtmSize );
} );
server.on("/about.htm",[]() {
server.send_P(200, "text/html", (const char*) gAboutHtmData, gAboutHtmSize );
} );
#else
// Show files in the filessytem at startup
FSInfo fs;
LittleFS.info(fs);
Log.notice( F("File system: Total=%d, Used=%d." CR), fs.totalBytes, fs.usedBytes );
Dir dir = LittleFS.openDir("/");
while( dir.next() ) {
Log.notice( F("File: %s, %d bytes" CR), dir.fileName().c_str(), dir.fileSize() );
}
server.serveStatic("/", LittleFS, "/index.htm" );
server.serveStatic("/index.htm", LittleFS, "/index.htm" );
server.serveStatic("/device.htm", LittleFS, "/device.htm" );
server.serveStatic("/config.htm", LittleFS, "/config.htm" );
server.serveStatic("/about.htm", LittleFS, "/about.htm" );
#endif
// Dynamic content
server.on("/api/config", webHandleConfig); // Get config.json
server.on("/api/device", webHandleDevice); // Get device.json
server.on("/api/calibrate", webHandleCalibrate); // Run calibration routine (param id)
server.on("/api/factory", webHandleFactoryReset); // Reset the device
server.on("/api/status", webHandleStatus); // Get the status.json
server.on("/api/clearwifi", webHandleClearWIFI); // Clear wifi settings
server.on("/api/status/sleepmode", webHandleStatusSleepmode);
server.on("/api/config/device", webHandleConfigDevice);
server.on("/api/config/push", webHandleConfigPush);
server.on("/api/config/gravity", webHandleConfigGravity);
server.on("/api/config/hardware", webHandleConfigHardware);
server.onNotFound( []() {
Log.error(F("WEB : URL not found %s received." CR), server.uri().c_str());
server.send(404, "text/plain", F("URL not found") );
} );
server.begin();
Log.notice(F("WEB : Web server started." CR));
return true;
}
//
// called from main loop
//
void WebServer::loop() {
// Dont put serial debug output in this call
server.handleClient();
MDNS.update();
}
// EOF