#include <xc.h> #include <stdint.h> // Configure for PIC16F877A (example) #pragma config FOSC = HS, WDTE = OFF, PWRTE = OFF, BOREN = OFF, LVP = OFF, CPD = OFF, WRT = OFF, CP = OFF
Introduction: What is the xc.h Library? If you are a C or C++ developer working on embedded systems, real-time operating systems (RTOS), or automotive software, you have likely encountered the frustrating "fatal error: xc.h: No such file or directory" message. This error indicates that your compiler cannot locate the xc.h library – a critical header file in the Microchip XC series compiler ecosystem. xc.h library download
dir "C:\Program Files\Microchip\xc8\v2.xx\include\xc.h" You should see xc.h along with hundreds of supporting headers (e.g., pic.h , avr.h , i2c.h ). #include <xc
For Linux/macOS (typical path):
"configurations": [ "name": "XC8", "includePath": [ "$workspaceFolder/**", "C:/Program Files/Microchip/xc8/v2.xx/include" ], "defines": ["__XC8"], "compilerPath": "C:/Program Files/Microchip/xc8/v2.xx/bin/xc8-cc.exe" ] dir "C:\Program Files\Microchip\xc8\v2
Add the -I flag to your compile command: