Closed
Description
Basic Infos
- This issue complies with the issue POLICY doc.I have read the documentation at readthedocs and the issue is not addressed there.I have tested that the issue is present in current master branch (aka latest git).I have searched the issue tracker for a similar issue.If there is a stack dump, I have decoded it.I have filled out all fields below.
Platform
- Hardware: [ESP-12|ESP-01|ESP-07|ESP8285 device|other]
- Core Version: [l1bb5ccf71e0e028a593238b68513aac553a00886]
- Development Env: Platformio
- Operating System: Windows / WSL
Settings in IDE
- Module: Wemos D1 mini r2
- Flash Mode: default
- Flash Size: 4MB
- lwip Variant: ** v2 Lower Memory (default) **
- Reset Method: [ck|nodemcu]
- Flash Frequency: [40Mhz]
- CPU Frequency: [80Mhz|160MHz]
- Upload Using: [OTA|SERIAL]
- Upload Speed: [115200|other] (serial upload only)
Problem Description
- Include "lwip/tcp.h" after ESP8266WiFi.h
- Observe the redeclaration issue below
Inspecting the source of WiFiClient, I found this entry:
This guards these enum values:
Arduino/libraries/ESP8266WiFi/src/include/wl_definitions.h
Lines 71 to 85 in 1bb5ccf
Which is a possible workaround for this issue.
git grep wl_tcp_state
does not show anything but this enum wl_tcp_state
line :/
MCVE Sketch
Consider, I want to use lwip active pcb list in the app
(following is just a means to try to access tcp_pcb struct members, as we only forward-declare it by default as struct tcp_pcb;
in esp8266wifi user-side header, so I must add tcp.h)
#include <Arduino.h>
#include <ESP8266WiFi.h>
extern "C" {
#include <lwip/init.h>
#include <lwip/opt.h>
#include <lwip/tcp.h>
#include <lwip/inet.h>
}
extern struct tcp_pcb *tcp_active_pcbs;
void setup() {}
void loop() {
char remote_ip[32] = {0};
char local_ip[32] = {0};
for (tcp_pcb* pcb = tcp_active_pcbs; pcb != NULL; pcb = pcb->next) {
inet_ntoa_r((pcb->local_ip), local_ip, sizeof(local_ip));
inet_ntoa_r((pcb->remote_ip), remote_ip, sizeof(remote_ip));
Serial.printf("%s<->%s\n", remote_ip, local_ip);
}
}
Debug Messages
In file included from /home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/tools/sdk/lwip2/include/lwip/tcp.h:45:0,
from src/main.cpp:7:
/home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/tools/sdk/lwip2/include/lwip/tcpbase.h:57:17: error: redeclaration of 'CLOSED'
CLOSED = 0,
^
In file included from /home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/libraries/ESP8266WiFi/src/ESP8266WiFi.h:28:0,
from src/main.cpp:2:
/home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/libraries/ESP8266WiFi/src/include/wl_definitions.h:73:3: note: previous declaration 'wl_tcp_state CLOSED'
CLOSED = 0,
^
In file included from /home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/tools/sdk/lwip2/include/lwip/tcp.h:45:0,
from src/main.cpp:7:
/home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/tools/sdk/lwip2/include/lwip/tcpbase.h:58:17: error: redeclaration of 'LISTEN'
LISTEN = 1,
^
In file included from /home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/libraries/ESP8266WiFi/src/ESP8266WiFi.h:28:0,
from src/main.cpp:2:
/home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/libraries/ESP8266WiFi/src/include/wl_definitions.h:74:3: note: previous declaration 'wl_tcp_state LISTEN'
LISTEN = 1,
^
In file included from /home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/tools/sdk/lwip2/include/lwip/tcp.h:45:0,
from src/main.cpp:7:
/home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/tools/sdk/lwip2/include/lwip/tcpbase.h:59:17: error: redeclaration of 'SYN_SENT'
SYN_SENT = 2,
^
In file included from /home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/libraries/ESP8266WiFi/src/ESP8266WiFi.h:28:0,
from src/main.cpp:2:
/home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/libraries/ESP8266WiFi/src/include/wl_definitions.h:75:3: note: previous declaration 'wl_tcp_state SYN_SENT'
SYN_SENT = 2,
^
In file included from /home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/tools/sdk/lwip2/include/lwip/tcp.h:45:0,
from src/main.cpp:7:
/home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/tools/sdk/lwip2/include/lwip/tcpbase.h:60:17: error: redeclaration of 'SYN_RCVD'
SYN_RCVD = 3,
^
In file included from /home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/libraries/ESP8266WiFi/src/ESP8266WiFi.h:28:0,
from src/main.cpp:2:
/home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/libraries/ESP8266WiFi/src/include/wl_definitions.h:76:3: note: previous declaration 'wl_tcp_state SYN_RCVD'
SYN_RCVD = 3,
^
In file included from /home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/tools/sdk/lwip2/include/lwip/tcp.h:45:0,
from src/main.cpp:7:
/home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/tools/sdk/lwip2/include/lwip/tcpbase.h:61:17: error: redeclaration of 'ESTABLISHED'
ESTABLISHED = 4,
^
In file included from /home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/libraries/ESP8266WiFi/src/ESP8266WiFi.h:28:0,
from src/main.cpp:2:
/home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/libraries/ESP8266WiFi/src/include/wl_definitions.h:77:3: note: previous declaration 'wl_tcp_state ESTABLISHED'
ESTABLISHED = 4,
^
In file included from /home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/tools/sdk/lwip2/include/lwip/tcp.h:45:0,
from src/main.cpp:7:
/home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/tools/sdk/lwip2/include/lwip/tcpbase.h:62:17: error: redeclaration of 'FIN_WAIT_1'
FIN_WAIT_1 = 5,
^
In file included from /home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/libraries/ESP8266WiFi/src/ESP8266WiFi.h:28:0,
from src/main.cpp:2:
/home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/libraries/ESP8266WiFi/src/include/wl_definitions.h:78:3: note: previous declaration 'wl_tcp_state FIN_WAIT_1'
FIN_WAIT_1 = 5,
^
In file included from /home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/tools/sdk/lwip2/include/lwip/tcp.h:45:0,
from src/main.cpp:7:
/home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/tools/sdk/lwip2/include/lwip/tcpbase.h:63:17: error: redeclaration of 'FIN_WAIT_2'
FIN_WAIT_2 = 6,
^
In file included from /home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/libraries/ESP8266WiFi/src/ESP8266WiFi.h:28:0,
from src/main.cpp:2:
/home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/libraries/ESP8266WiFi/src/include/wl_definitions.h:79:3: note: previous declaration 'wl_tcp_state FIN_WAIT_2'
FIN_WAIT_2 = 6,
^
In file included from /home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/tools/sdk/lwip2/include/lwip/tcp.h:45:0,
from src/main.cpp:7:
/home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/tools/sdk/lwip2/include/lwip/tcpbase.h:64:17: error: redeclaration of 'CLOSE_WAIT'
CLOSE_WAIT = 7,
^
In file included from /home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/libraries/ESP8266WiFi/src/ESP8266WiFi.h:28:0,
from src/main.cpp:2:
/home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/libraries/ESP8266WiFi/src/include/wl_definitions.h:80:3: note: previous declaration 'wl_tcp_state CLOSE_WAIT'
CLOSE_WAIT = 7,
^
In file included from /home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/tools/sdk/lwip2/include/lwip/tcp.h:45:0,
from src/main.cpp:7:
/home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/tools/sdk/lwip2/include/lwip/tcpbase.h:65:17: error: redeclaration of 'CLOSING'
CLOSING = 8,
^
In file included from /home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/libraries/ESP8266WiFi/src/ESP8266WiFi.h:28:0,
from src/main.cpp:2:
/home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/libraries/ESP8266WiFi/src/include/wl_definitions.h:81:3: note: previous declaration 'wl_tcp_state CLOSING'
CLOSING = 8,
^
In file included from /home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/tools/sdk/lwip2/include/lwip/tcp.h:45:0,
from src/main.cpp:7:
/home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/tools/sdk/lwip2/include/lwip/tcpbase.h:66:17: error: redeclaration of 'LAST_ACK'
LAST_ACK = 9,
^
In file included from /home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/libraries/ESP8266WiFi/src/ESP8266WiFi.h:28:0,
from src/main.cpp:2:
/home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/libraries/ESP8266WiFi/src/include/wl_definitions.h:82:3: note: previous declaration 'wl_tcp_state LAST_ACK'
LAST_ACK = 9,
^
In file included from /home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/tools/sdk/lwip2/include/lwip/tcp.h:45:0,
from src/main.cpp:7:
/home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/tools/sdk/lwip2/include/lwip/tcpbase.h:67:17: error: redeclaration of 'TIME_WAIT'
TIME_WAIT = 10
^
In file included from /home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/libraries/ESP8266WiFi/src/ESP8266WiFi.h:28:0,
from src/main.cpp:2:
/home/builder/.platformio/packages/framework-arduinoespressif8266@src-31d658a59f41540201fc3726a1394910/libraries/ESP8266WiFi/src/include/wl_definitions.h:83:3: note: previous declaration 'wl_tcp_state TIME_WAIT'
TIME_WAIT = 10
^
*** [.pio/build/d1_mini/src/main.cpp.o] Error 1
========================== [FAILED] Took 2.80 seconds ==========================
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