why is this error in this arduino program?

why is this error in this arduino program?
Posted by rizlesz2000 on 18 Oct, 2023 10:30
So in this program It actually uses a SSD1306 oled library. But when i change it to the sh1106 library, it shows me this error

C:\Users\sonid\OneDrive\Documents\Arduino\libraries\Adafruit_SH1106-master\Adafruit_SH1106.cpp:29:10: fatal error: avr/pgmspace.h: No such file or directory
#include <avr/pgmspace.h>
^~~~~~~~~~~~~~~~
compilation terminated.

exit status 1

Compilation error: exit status 1

and in this program if we enable bluetooth library and its functions, The bluetooth option appear on the project. but when i did that it showed me other errors
yes, im using ESP32C3 xiao

eds (1).txt

#1 Reply
Posted by Ian.M on 18 Oct, 2023 11:02
Seems like that library is AVR specific. Are you up for porting it to ESP32? (not an easy task for anyone who hasn't taken a deep dive into cross-compiling low level embedded applications with GCC, and isn't very familiar with the AVR and ESP32 documentation)

#3 Reply
Posted by rizlesz2000 on 18 Oct, 2023 11:15
i found a sh1106 library which can make compatable with esp32 chips but still gives me the errors. what should i need to change in the program?

#5 Reply
Posted by rizlesz2000 on 18 Oct, 2023 14:02
i used this library (https://github.com/koogar/Adafruit_SH1106_ESP32). but gave me other errors such as: did you mean this or that

#7 Reply
Posted by Manul on 18 Oct, 2023 20:49
Of course it can't find path <avr/pgmspace.h> if you are compiling for ESP32 (which is not AVR).

Code: [Select]
#ifdef __AVR__ #include <avr/pgmspace.h> #elif defined(ESP8266) || defined(ESP32) #include <pgmspace.h> #else #define pgm_read_byte(addr) (*(const unsigned char *)(addr)) #endif
Above are the first lines of Adafruit_SH1106_ESP32.cpp you linked. Have you even read it? You need to define ESP32 in your compiler, then it will include the correct header <pgmspace.h> and not <avr/pgmspace.h>.