const char* variable for function

Projects Programming
1

Hallo,

I have a problem with calling a function I want to implement into my program. The function has the following format:

function(const char* ssid, const char* passphrase)

I have my ssid saved in the EEPROM (0-8) and the passphrase in the EEPROM (9-16). Is there any way to get the data out of the EEPROM in the correct format for calling the function successfully?

I am stuck here and would highly appreciate any advice.

Thank you very much in advance

2

There are methods to read EEPROM data.
Store this data into an array.

3

That is not my problem. I know how to get data out of the EEPROM into an array but I have no idea how to get it into the format the function requests as I have never really worked with pointers

4

Example

char test[10];

char *p;

p = test;

5

thank you very much, that helped a lot and did the trick.

6

I just checked again, as soon as I try to add new values out of the EEPROM to the const char it doesn't work because it is read only. So although the pointers work in general, I see no way to get my EEPROM values into the const char variable. :frowning:

7

Read the EEPROM data, put this data into the array which is in SRAM.
The data in the SRAM array is in read write memory.

8

But then I will not be able to make this data a const char which it needs to be in the end

9

I will not be able to make this data a const char

Why?

10

I forgot to add the \0 at the end, that solved it finally. Thank you very much for your help!