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+--- Thread: Library <Preferences.h> Not Storing Values (/showthread.php?tid=4769)
Library <Preferences.h> Not Storing Values - job-systems - 03-01-2024
Hi, hope everyone is fine.
I give up... I need help. I am unable to store values in non volatile memory, so that if there is a power loss, and re-power, the value keeps the same... example, a temperature setpoint.
In my Arduino IDE environment I use: Node32s board (Is this the correct board?
This is the configuration I have in Arduino IDE:
GENERAL:
#include <Preferences.h>
Preferences preferences; // Start preferences service.
SETUP:
preferences.begin("almacenamiento-valores", false); // Start storage
Serial.println("Escribiendo en NVS: 123");
preferences.putInt("offset", 123); // Write a test value of 123 on the memory space called "offset".
int valorLeido = preferences.getInt("offset", 0); // Reads the stored value.
Serial.print("Leído de NVS: ");
Serial.println(valorLeido); // Show the value that was stored.
preferences.end();
Result I get on serial monitor:
Escribiendo en NVS: 123
Leído de NVS: 0
Result: Writing the value was not successful.
What am I doing wrong?
Would you advice using a different library for storing values?
Maybe the board I have selected on Arduino IDE is the wrong one?
Thank you for your help.
BR, Juan