157 lines
4.0 KiB
C++
157 lines
4.0 KiB
C++
/*
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* Stairs
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* Copyright 2017 (c) Mark van Renswoude
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*
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* https://git.x2software.net/pub/Stairs
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*/
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#include "system.h"
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#include <ArduinoJson.h>
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#include <FS.h>
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#include "../debug.h"
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#include "../global.h"
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#include "../config.h"
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void SystemSettings::read()
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{
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_dln("SystemSettings :: opening file");
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File settingsFile = SPIFFS.open(SystemSettingsFile, "r");
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if (!settingsFile)
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{
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_dln("SystemSettings :: failed to open file");
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return;
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}
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size_t size = settingsFile.size();
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if (size > 1024)
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{
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_dln("SystemSettings :: file size is too large");
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return;
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}
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if (size == 0)
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{
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_dln("SystemSettings :: zero size file");
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return;
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}
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std::unique_ptr<char[]> buf(new char[size]);
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settingsFile.readBytes(buf.get(), size);
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_dln(buf.get());
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if (fromJson(buf.get()))
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_dln("SystemSettings :: read from file");
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else
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_dln("SystemSettings :: failed to parse file");
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}
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void SystemSettings::write()
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{
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_dln("SystemSettings :: opening file for writing");
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File settingsFile = SPIFFS.open(SystemSettingsFile, "w");
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if (!settingsFile)
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{
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_dln("SystemSettings:: failed to open file for writing");
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return;
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}
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toJson(settingsFile);
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_dln("SystemSettings:: written to file");
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}
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void SystemSettings::toJson(Print &print)
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{
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DynamicJsonBuffer jsonBuffer(JSON_OBJECT_SIZE(6) + JSON_OBJECT_SIZE(5));
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JsonObject& root = jsonBuffer.createObject();
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root["lat"] = latitude();
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root["lng"] = longitude();
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JsonObject& pins = root.createNestedObject("pins");
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pins["ledAP"] = pinLEDAP();
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pins["ledSTA"] = pinLEDSTA();
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pins["apButton"] = pinAPButton();
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pins["pwmSDA"] = pinPWMDriverSDA();
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pins["pwmSCL"] = pinPWMDriverSCL();
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root["pwmAddress"] = pwmDriverAddress();
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root["pwmFrequency"] = pwmDriverFrequency();
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root["mapsAPIKey"] = mapsAPIKey();
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root.printTo(print);
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}
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bool SystemSettings::fromJson(char* data)
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{
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return fromJson(data, nullptr);
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}
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bool SystemSettings::fromJson(char* data, bool* changed)
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{
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if (changed != nullptr)
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*changed = false;
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DynamicJsonBuffer jsonBuffer(JSON_OBJECT_SIZE(6) + JSON_OBJECT_SIZE(5) + 316);
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JsonObject& root = jsonBuffer.parseObject(data);
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if (!root.success())
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return false;
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double jsonLat = root["lat"];
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double jsonLng = root["lng"];
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JsonObject& pins = root["pins"];
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uint8_t jsonPinLEDAP = pins["ledAP"];
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uint8_t jsonPinLEDSTA = pins["ledSTA"];
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uint8_t jsonPinAPButton = pins["apButton"];
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uint8_t jsonPinPWMDriverSDA = pins["pwmSDA"];
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uint8_t jsonPinPWMDriverSCL = pins["pwmSCL"];
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uint8_t jsonPWMDriverAddress = root["pwmAddress"];
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uint16_t jsonPWMDriverFrequency = root["pwmFrequency"];
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const char* jsonMapAPIKey = root["mapsAPIKey"];
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if (jsonPinLEDAP == 0) jsonPinLEDAP = pinLEDAP();
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if (jsonPinLEDSTA == 0) jsonPinLEDSTA = pinLEDSTA();
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if (jsonPinAPButton == 0) jsonPinAPButton = pinAPButton();
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if (jsonPinPWMDriverSDA == 0) jsonPinPWMDriverSDA = pinPWMDriverSDA();
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if (jsonPinPWMDriverSCL == 0) jsonPinPWMDriverSCL = pinPWMDriverSCL();
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if (jsonPWMDriverAddress == 0) jsonPWMDriverAddress = pwmDriverAddress();
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if (jsonPWMDriverFrequency == 0) jsonPWMDriverFrequency = pwmDriverFrequency();
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if ((jsonPinLEDAP != pinLEDAP()) ||
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(jsonPinLEDSTA != pinLEDSTA()) ||
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(jsonPinAPButton != pinAPButton()) ||
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(jsonPinPWMDriverSDA != pinPWMDriverSDA()) ||
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(jsonPinPWMDriverSCL != pinPWMDriverSCL()) ||
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(jsonPWMDriverAddress != pwmDriverAddress()) ||
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(jsonPWMDriverFrequency != pwmDriverFrequency()) ||
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(jsonMapAPIKey != mapsAPIKey()) ||
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(jsonLat != latitude()) ||
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(jsonLng != longitude()))
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{
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latitude(jsonLat);
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longitude(jsonLng);
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pinLEDAP(jsonPinLEDAP);
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pinLEDSTA(jsonPinLEDSTA);
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pinAPButton(jsonPinAPButton);
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pinPWMDriverSDA(jsonPinPWMDriverSDA);
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pinPWMDriverSCL(jsonPinPWMDriverSCL);
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pwmDriverAddress(jsonPWMDriverAddress);
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pwmDriverFrequency(jsonPWMDriverFrequency);
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mapsAPIKey(jsonMapAPIKey);
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if (changed != nullptr)
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*changed = true;
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}
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return true;
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} |