[GH-ISSUE #1174] Error: 'esp_err_t' was not declared in this scope #1003

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opened 2026-02-28 01:28:05 +03:00 by kerem · 3 comments

kerem commented

2026-02-28 01:28:05 +03:00

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Originally created by @egrekov on GitHub (Dec 16, 2020).
Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/1174

Basic Infos

Hardware

WiFimanager Branch/Release:

[X ] Master
[X ] Development

Esp8266/Esp32:

[X ] ESP8266
ESP32

Hardware: ESP-12e, esp01, esp25

ESP01
[X ] ESP12 E/F/S (nodemcu, wemos, feather)
Other

ESP Core Version: 2.4.0, staging

[X ] 2.3.0 PLATFORM: Espressif 8266 (2.3.3) > NodeMCU 1.0 (ESP-12E Module)
2.4.0
staging (master/dev)

Settings in IDE

[env:nodemcuv2]
platform = espressif8266
board = nodemcuv2
framework = arduino
lib_deps = 
    ArduinoJson
    ESP Async WebServer
    AsyncMqttClient
    https://github.com/tzapu/WiFiManager.git#development
build_flags = -fexceptions
build_unflags = -fno-exceptions

Description

When compiling, an error occurs, tried both the master and the development branch

.pio\libdeps\nodemcuv2\WiFiManager\WiFiManager.cpp: In member function 'bool WiFiManager::WiFiSetCountry()':
.pio\libdeps\nodemcuv2\WiFiManager\WiFiManager.cpp:3170:3: error: 'esp_err_t' was not declared in this scope
   esp_err_t ret = false;
   ^
.pio\libdeps\nodemcuv2\WiFiManager\WiFiManager.cpp:3170:13: error: expected ';' before 'ret'
   esp_err_t ret = false;
             ^
.pio\libdeps\nodemcuv2\WiFiManager\WiFiManager.cpp:3191:33: error: 'ret' was not declared in this scope
Compiling .pio\build\nodemcuv2\libe40\LittleFS\lfs.c.o
        if(_wificountry == "US") ret = wifi_set_country((wifi_country_t*)&WM_COUNTRY_US);
                                 ^
.pio\libdeps\nodemcuv2\WiFiManager\WiFiManager.cpp:3192:33: error: 'ret' was not declared in this scope
   else if(_wificountry == "JP") ret = wifi_set_country((wifi_country_t*)&WM_COUNTRY_JP);
                                 ^
Archiving .pio\build\nodemcuv2\lib482\libESP8266mDNS.a
.pio\libdeps\nodemcuv2\WiFiManager\WiFiManager.cpp:3193:33: error: 'ret' was not declared in this scope
   else if(_wificountry == "CN") ret = wifi_set_country((wifi_country_t*)&WM_COUNTRY_CN);
                                 ^
.pio\libdeps\nodemcuv2\WiFiManager\WiFiManager.cpp:3200:6: error: 'ret' was not declared in this scope
   if(ret) DEBUG_WM(DEBUG_VERBOSE,F("[OK] esp_wifi_set_country: "),_wificountry);
      ^
.pio\libdeps\nodemcuv2\WiFiManager\WiFiManager.cpp:3205:10: error: 'ret' was not declared in this scope
   return ret;
          ^
.pio\libdeps\nodemcuv2\WiFiManager\WiFiManager.cpp:3206:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
*** [.pio\build\nodemcuv2\libe2f\WiFiManager\WiFiManager.cpp.o] Error 1

Originally created by @egrekov on GitHub (Dec 16, 2020). Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/1174 ### Basic Infos #### Hardware **WiFimanager Branch/Release:** - [X ] Master - [X ] Development **Esp8266/Esp32:** - [X ] ESP8266 - [ ] ESP32 **Hardware: ESP-12e, esp01, esp25** - [ ] ESP01 - [X ] ESP12 E/F/S (nodemcu, wemos, feather) - [ ] Other **ESP Core Version: 2.4.0, staging** - [X ] 2.3.0 ```PLATFORM: Espressif 8266 (2.3.3) > NodeMCU 1.0 (ESP-12E Module)``` - [ ] 2.4.0 - [ ] staging (master/dev) ### Settings in IDE ```ini [env:nodemcuv2] platform = espressif8266 board = nodemcuv2 framework = arduino lib_deps = ArduinoJson ESP Async WebServer AsyncMqttClient https://github.com/tzapu/WiFiManager.git#development build_flags = -fexceptions build_unflags = -fno-exceptions ``` ### Description When compiling, an error occurs, tried both the master and the development branch ```c++ .pio\libdeps\nodemcuv2\WiFiManager\WiFiManager.cpp: In member function 'bool WiFiManager::WiFiSetCountry()': .pio\libdeps\nodemcuv2\WiFiManager\WiFiManager.cpp:3170:3: error: 'esp_err_t' was not declared in this scope esp_err_t ret = false; ^ .pio\libdeps\nodemcuv2\WiFiManager\WiFiManager.cpp:3170:13: error: expected ';' before 'ret' esp_err_t ret = false; ^ .pio\libdeps\nodemcuv2\WiFiManager\WiFiManager.cpp:3191:33: error: 'ret' was not declared in this scope Compiling .pio\build\nodemcuv2\libe40\LittleFS\lfs.c.o if(_wificountry == "US") ret = wifi_set_country((wifi_country_t*)&WM_COUNTRY_US); ^ .pio\libdeps\nodemcuv2\WiFiManager\WiFiManager.cpp:3192:33: error: 'ret' was not declared in this scope else if(_wificountry == "JP") ret = wifi_set_country((wifi_country_t*)&WM_COUNTRY_JP); ^ Archiving .pio\build\nodemcuv2\lib482\libESP8266mDNS.a .pio\libdeps\nodemcuv2\WiFiManager\WiFiManager.cpp:3193:33: error: 'ret' was not declared in this scope else if(_wificountry == "CN") ret = wifi_set_country((wifi_country_t*)&WM_COUNTRY_CN); ^ .pio\libdeps\nodemcuv2\WiFiManager\WiFiManager.cpp:3200:6: error: 'ret' was not declared in this scope if(ret) DEBUG_WM(DEBUG_VERBOSE,F("[OK] esp_wifi_set_country: "),_wificountry); ^ .pio\libdeps\nodemcuv2\WiFiManager\WiFiManager.cpp:3205:10: error: 'ret' was not declared in this scope return ret; ^ .pio\libdeps\nodemcuv2\WiFiManager\WiFiManager.cpp:3206:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ *** [.pio\build\nodemcuv2\libe2f\WiFiManager\WiFiManager.cpp.o] Error 1 ```

kerem closed this issue

2026-02-28 01:28:05 +03:00

kerem commented

2026-02-28 01:28:05 +03:00

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Owner

@egrekov commented on GitHub (Dec 16, 2020):

Did a little investigation and found a commit that broke compilation of the library under esp8266
-3155 +3170

@egrekov commented on GitHub (Dec 16, 2020): Did a little investigation and found a [commit](https://github.com/tzapu/WiFiManager/commit/e071e3ad8fb799044589643b1f355ef750485599) that broke compilation of the library under esp8266 -3155 +3170

kerem commented

2026-02-28 01:28:05 +03:00

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Owner

@egrekov commented on GitHub (Dec 16, 2020):

Added pull request

@egrekov commented on GitHub (Dec 16, 2020): Added [pull request](https://github.com/tzapu/WiFiManager/pull/1175)

kerem commented

2026-02-28 01:28:05 +03:00

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@tablatronix commented on GitHub (Dec 16, 2020):