SerialConfig.cpp

#include <Log.h>
#include <Config.h>

#define TIMEOUT_ENTER 50
#define ENTER 13            // byte value of the Enter key (LF)

void readLine(String& str, int timeout)
{
    int index = 0;
    if (timeout == 0)
        timeout = 9999999;
    unsigned long end = millis() + timeout;

    while (true) {
        if (millis() > end) {
            Serial.println("\r\n TIMEOUT ! ");
            return;
        }
        if (Serial.available()) {

            char c = Serial.read();
            switch (c) {
            case '\n':
            case '\r':
                Serial.print("\r\n");
                return;
                break;

            case '\b':
                // backspace
                if (str.length() > 0) {
                    str.remove(str.length() - 1);
                    Serial.print(' ');
                }
                break;

            default:
                // normal character entered. add it to the buffer
                Serial.print(c);
                str.concat(c);
                break;
            }
        }
    }
}

void ask(String question, String& input, int timeout)
{
    Serial.print(question);
    readLine(input, timeout);
}

void showFullConfig()
{
    Str summary(1024);
    config.printPretty(summary);
    Serial.println(summary.c_str());
}
#include <src/ArduinoJson/Polyfills/isFloat.hpp>
void configMenu()
{
    while (true) {
//		showFullConfig();
//		object.printTo(show);
        Serial.println(
            "\r\n__________________ Config JSON ________________________________________");
        showFullConfig();
        Serial.printf(
            "\r\n current namespace : %s \r\n_______________________________________________________________________",
            config.getNameSpace());
        Serial.print("\r\n Create, Update, Delete, Save, eXit , eraseAll, Namespace [cudsxan] : ");
        String line;
        readLine(line, 0);
        Serial.println("");
        if (line.length() == 0)
            return;
        else if (line.equals("c") || line.equals("u")) {

            String key, value;
            ask("\r key   : ", key, 0);
            ask("\r value : ", value, 0);
            if ( ArduinoJson::Polyfills::isFloat(value.c_str())) {
                INFO(" value : %s ",value.c_str());
                float floatValue = atof(value.c_str());
                INFO(" float : %f ",floatValue);
                config.set(key.c_str(),floatValue);
            } else {
                INFO(" no double found");
                config.set(key.c_str(),value.c_str());
            }

        } else if (line.equals("s")) {

            Serial.println("\r\n Saving.. ");
            showFullConfig();
            Serial.println("done.\r\n ");

        } else if (line.equals("d")) {

            String key;
            ask("\r key   : ", key, 0);
            config.remove(key.c_str());

        } else if (line.equals("x")) {

            Serial.println("\r\n Exit config");
            return;

        } else if (line.equals("a")) {

            config.clear();
            config.load();
            Serial.println("\r\n All cleared.");

        } else if (line.equals("n")) {
            
            String key;
            ask("\r namespace   : ", key, 0);
            config.setNameSpace(key.c_str());
            
        }
    }
}

void waitConfig()
{
    String line;
    unsigned long end = millis() + 5000;
    while (true) {
        if (millis() > end) {
            Serial.println(" input timed out, starting...");
            break;
        }
        Serial.printf(" Hit 'x' + Enter for menu within 5 seconds : ");
        readLine(line, 10000);
        if (line.equals("x")) {
            configMenu();
            return;
        } else {
            Serial.printf(" invalid input >>%s<< , try again.\n", line.c_str());
        }
        line = "";
    }
}