WiFi.softAPConfig returns fail for non-debug build #7795
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
- Core Version: [l5c29517d119393f3197871957ff18adbf918bac9]
- Development Env: Arduino IDE
- Operating System: Ubuntu
Settings in IDE
- Module: [DOIT]
- Flash Mode: [qio|]
- Flash Size: [4MB]
- lwip Variant: [Higher Bandwidth]
- Reset Method: [nodemcu]
- Flash Frequency: [40Mhz]
- CPU Frequency: [80Mhz]
- Upload Using: [SERIAL]
- Upload Speed: [115200]
Problem Description
WiFi.softAPConfig returns fail for non-debug build.
Appears to work with the Debug port: Serial, Debug level: WIFI.
Part of the problem appears to be not setting enable in dhcp_lease before calling dhcpSoftAP.set_dhcps_lease:
Arduino/libraries/ESP8266WiFi/src/ESP8266WiFiAP.cpp
Lines 226 to 236 in 5c29517
MCVE Sketch
// Modified CaptivePortal example #include <ESP8266WiFi.h> #include <DNSServer.h> #include <ESP8266WebServer.h> #define DBGLOG_FAIL(a, fmt, ...) do { if (!(a)) { Serial.printf_P( PSTR(fmt " line: %d, function: %S\r\n"), ##__VA_ARGS__, __LINE__, __FUNCTION__ ); } } while(false); const byte DNS_PORT = 53; IPAddress apIP(172, 217, 28, 1); DNSServer dnsServer; ESP8266WebServer webServer(80); String responseHTML = "" "<!DOCTYPE html><html lang='en'><head>" "<meta name='viewport' content='width=device-width'>" "<title>CaptivePortal</title></head><body>" "<h1>Hello World!</h1><p>This is a captive portal example." " All requests will be redirected here.</p></body></html>"; void setup() { WiFi.persistent(false); WiFi.mode(WIFI_OFF); Serial.begin(115200); delay(15); Serial.println(); Serial.println(); Serial.println("\r\ncalling: WiFi.mode(WIFI_AP)"); DBGLOG_FAIL(WiFi.mode(WIFI_AP), "Failed: WiFi.mode(WIFI_AP)"); Serial.println("\r\ncalling: WiFi.softAP(..."); DBGLOG_FAIL(WiFi.softAPConfig(apIP, apIP, IPAddress(255, 255, 255, 0)), "*** Failed: WiFi.softAPConfig(..."); Serial.println("\r\ncalling: WiFi.softAPConfig(..."); DBGLOG_FAIL(WiFi.softAP("DNSServer CaptivePortal example"), "Failed: WiFi.softAP(..."); dnsServer.start(DNS_PORT, "*", apIP); Serial.println("\r\nDNSServer CaptivePortal example running"); webServer.onNotFound([]() { webServer.send(200, "text/html", responseHTML); }); webServer.begin(); } void loop() { dnsServer.processNextRequest(); webServer.handleClient(); }Debug Messages
calling: WiFi.mode(WIFI_AP) calling: WiFi.softAP(... *** Failed: WiFi.softAPConfig(... line: 31, function: setup calling: WiFi.softAPConfig(... DNSServer CaptivePortal example running