ESP8266 Community Forum

Posted: **Sun Apr 26, 2015 4:46 am**

Hey guys,

whenever I want to compile something i get the following error:

C:\Users\MY USERNAME\Documents\Arduino\hardware\esp8266com\esp8266\cores\esp8266\core_esp8266_wiring_digital.c: In function '__attachInterrupt':
C:\Users\MY USERNAME\Documents\Arduino\hardware\esp8266com\esp8266\cores\esp8266\core_esp8266_wiring_digital.c:146:38: error: 'GPIO_PIN_INTR_ANYEDGE' undeclared (first use in this function)
         gpio_pin_intr_state_set(pin, GPIO_PIN_INTR_ANYEDGE);
                                      ^
C:\Users\MY USERNAME\Documents\Arduino\hardware\esp8266com\esp8266\cores\esp8266\core_esp8266_wiring_digital.c:146:38: note: each undeclared identifier is reported only once for each function it appears in

Hope you can help!

Posted: **Mon Apr 27, 2015 6:01 am**

Hi try including the following at the start of your program.Error indicates you are missing a file

Code: Select all

extern "C" {
#include "user_interface.h"
#include "gpio.h"
}

Gerry

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