mirror of
https://github.com/IoTManagerProject/IoTManager.git
synced 2026-03-26 22:22:16 +03:00
126 lines
3.7 KiB
C++
126 lines
3.7 KiB
C++
#include "Global.h"
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#include "classes/IoTItem.h"
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#include "LiquidCrystal_I2C.h"
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#include <map>
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void scanI2C();
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LiquidCrystal_I2C *LCDI2C;
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class Lcd2004 : public IoTItem {
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private:
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unsigned int _x;
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unsigned int _y;
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String _id2show;
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String _descr;
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int _prevStrSize;
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bool _isShow = true; // экран показывает
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public:
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Lcd2004(String parameters) : IoTItem(parameters) {
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String addr, size, xy;
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_prevStrSize = 0;
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jsonRead(parameters, "addr", addr);
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if (addr == "") {
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scanI2C();
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return;
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}
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jsonRead(parameters, "size", size);
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int w = selectFromMarkerToMarker(size, ",", 0).toInt(); //количество столбцов
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int h = selectFromMarkerToMarker(size, ",", 1).toInt(); //количество строк
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if (LCDI2C == nullptr) { //инициализации экрана еще не было
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LCDI2C = new LiquidCrystal_I2C(hexStringToUint8(addr), w, h);
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if (LCDI2C != nullptr) {
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LCDI2C->init();
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LCDI2C->backlight();
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}
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}
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jsonRead(parameters, "coord", xy);
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_x = selectFromMarkerToMarker(xy, ",", 0).toInt();
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_y = selectFromMarkerToMarker(xy, ",", 1).toInt();
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jsonRead(parameters, "descr", _descr);
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jsonRead(parameters, "id2show", _id2show);
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}
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void doByInterval() {
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if (LCDI2C != nullptr) {
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printBlankStr(_prevStrSize);
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String tmpStr = "";
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if (_descr != "none") tmpStr = _descr + " " + getItemValue(_id2show);
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else tmpStr = getItemValue(_id2show);
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LCDI2C->setCursor(_x, _y);
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LCDI2C->print(tmpStr);
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//LCDI2C->print("Helloy,Manager 404 !");
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_prevStrSize = tmpStr.length();
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}
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}
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IoTValue execute(String command, std::vector<IoTValue> ¶m) { // будет возможным использовать, когда сценарии запустятся
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if (command == "noBacklight")
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LCDI2C->noBacklight();
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else if (command == "backlight")
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LCDI2C->backlight();
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else if (command == "noDisplay") {
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LCDI2C->noDisplay();
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_isShow = false;
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} else if (command == "display") {
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LCDI2C->display();
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_isShow = true;
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} else if (command == "toggle") {
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if (_isShow) {
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LCDI2C->noDisplay();
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_isShow = false;
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} else {
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LCDI2C->display();
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_isShow = true;
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}
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} else if (command == "x") {
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if (param.size()) {
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_x = param[0].valD;
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}
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} else if (command == "y") {
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if (param.size()) {
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_y = param[0].valD;
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}
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} else if (command == "descr") {
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if (param.size()) {
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_descr = param[0].valS;
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}
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} else if (command == "id2show") {
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if (param.size()) {
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_id2show = param[0].valS;
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}
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}
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doByInterval();
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return {};
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}
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//печать пустой строки нужной длинны для затирания предыдущего значения на экране
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void printBlankStr(int strSize) {
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String tmpStr = "";
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for (int i = 0; i < strSize; i++) tmpStr += " ";
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LCDI2C->setCursor(_x, _y);
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LCDI2C->print(tmpStr);
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}
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~Lcd2004(){};
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};
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void *getAPI_Lcd2004(String subtype, String param) {
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if (subtype == F("Lcd2004")) {
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return new Lcd2004(param);
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} else {
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return nullptr;
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}
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}
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