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Added WIFI_FORCE_AP to force AP mode when specifying SSID/pass

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This commit is contained in:
Nathan Kellenicki 2023-06-28 22:29:53 -07:00
parent efe96d1d84
commit ae2bbbf668
6 changed files with 50 additions and 34 deletions
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4
CommandStation-EX.ino
View File

@ -95,11 +95,11 @@ void setup()
// Start Ethernet if it exists
#ifndef ARDUINO_ARCH_ESP32
#if WIFI_ON
WifiInterface::setup(WIFI_SERIAL_LINK_SPEED, F(WIFI_SSID), F(WIFI_PASSWORD), F(WIFI_HOSTNAME), IP_PORT, WIFI_CHANNEL);
WifiInterface::setup(WIFI_SERIAL_LINK_SPEED, F(WIFI_SSID), F(WIFI_PASSWORD), F(WIFI_HOSTNAME), IP_PORT, WIFI_CHANNEL, WIFI_FORCE_AP);
#endif // WIFI_ON
#else
// ESP32 needs wifi on always
WifiESP::setup(WIFI_SSID, WIFI_PASSWORD, WIFI_HOSTNAME, IP_PORT, WIFI_CHANNEL);
WifiESP::setup(WIFI_SSID, WIFI_PASSWORD, WIFI_HOSTNAME, IP_PORT, WIFI_CHANNEL, WIFI_FORCE_AP);
#endif // ARDUINO_ARCH_ESP32
#if ETHERNET_ON

29
WifiESP32.cpp
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@ -117,7 +117,8 @@ bool WifiESP::setup(const char *SSid,
const char *password,
const char *hostname,
int port,
const byte channel) {
const byte channel,
const bool forceAP) {
bool havePassword = true;
bool haveSSID = true;
bool wifiUp = false;
@ -145,7 +146,7 @@ bool WifiESP::setup(const char *SSid,
if (strncmp(yourNetwork, password, 13) == 0 || strncmp("", password, 13) == 0)
havePassword = false;
if (haveSSID && havePassword) {
if (haveSSID && havePassword && !forceAP) {
WiFi.setHostname(hostname); // Strangely does not work unless we do it HERE!
WiFi.mode(WIFI_STA);
#ifdef SERIAL_BT_COMMANDS
@ -183,18 +184,20 @@ bool WifiESP::setup(const char *SSid,
}
}
}
if (!haveSSID) {
if (!haveSSID || forceAP) {
// prepare all strings
String strSSID("DCCEX_");
String strPass("PASS_");
String strMac = WiFi.macAddress();
strMac.remove(0,9);
strMac.replace(":","");
strMac.replace(":","");
// convert mac addr hex chars to lower case to be compatible with AT software
std::transform(strMac.begin(), strMac.end(), strMac.begin(), asciitolower);
strSSID.concat(strMac);
strPass.concat(strMac);
String strSSID(forceAP ? SSid : "DCCEX_");
String strPass(forceAP ? password : "PASS_");
if (!forceAP) {
String strMac = WiFi.macAddress();
strMac.remove(0,9);
strMac.replace(":","");
strMac.replace(":","");
// convert mac addr hex chars to lower case to be compatible with AT software
std::transform(strMac.begin(), strMac.end(), strMac.begin(), asciitolower);
strSSID.concat(strMac);
strPass.concat(strMac);
}
WiFi.mode(WIFI_AP);
#ifdef SERIAL_BT_COMMANDS

3
WifiESP32.h
View File

@ -31,7 +31,8 @@ public:
const char *wifiPassword,
const char *hostname,
const int port,
const byte channel);
const byte channel,
const bool forceAP);
static void loop();
private:
};

36
WifiInterface.cpp
View File

@ -83,7 +83,8 @@ bool WifiInterface::setup(long serial_link_speed,
const FSH *wifiPassword,
const FSH *hostname,
const int port,
const byte channel) {
const byte channel,
const bool forceAP) {
wifiSerialState wifiUp = WIFI_NOAT;
@ -100,7 +101,7 @@ bool WifiInterface::setup(long serial_link_speed,
// See if the WiFi is attached to the first serial port
#if NUM_SERIAL > 0 && !defined(SERIAL1_COMMANDS)
SERIAL1.begin(serial_link_speed);
wifiUp = setup(SERIAL1, wifiESSID, wifiPassword, hostname, port, channel);
wifiUp = setup(SERIAL1, wifiESSID, wifiPassword, hostname, port, channel, forceAP);
#endif
// Other serials are tried, depending on hardware.
@ -110,7 +111,7 @@ bool WifiInterface::setup(long serial_link_speed,
if (wifiUp == WIFI_NOAT)
{
Serial2.begin(serial_link_speed);
wifiUp = setup(Serial2, wifiESSID, wifiPassword, hostname, port, channel);
wifiUp = setup(Serial2, wifiESSID, wifiPassword, hostname, port, channel, forceAP);
}
#endif
#endif
@ -121,7 +122,7 @@ bool WifiInterface::setup(long serial_link_speed,
if (wifiUp == WIFI_NOAT)
{
SERIAL3.begin(serial_link_speed);
wifiUp = setup(SERIAL3, wifiESSID, wifiPassword, hostname, port, channel);
wifiUp = setup(SERIAL3, wifiESSID, wifiPassword, hostname, port, channel, forceAP);
}
#endif
@ -139,7 +140,7 @@ bool WifiInterface::setup(long serial_link_speed,
}
wifiSerialState WifiInterface::setup(Stream & setupStream, const FSH* SSid, const FSH* password,
const FSH* hostname, int port, byte channel) {
const FSH* hostname, int port, byte channel, bool forceAP) {
wifiSerialState wifiState;
static uint8_t ntry = 0;
ntry++;
@ -148,7 +149,7 @@ wifiSerialState WifiInterface::setup(Stream & setupStream, const FSH* SSid, con
DIAG(F("++ Wifi Setup Try %d ++"), ntry);
wifiState = setup2( SSid, password, hostname, port, channel);
wifiState = setup2( SSid, password, hostname, port, channel, forceAP);
if (wifiState == WIFI_NOAT) {
LCD(4, F("WiFi no AT chip"));
@ -172,7 +173,7 @@ wifiSerialState WifiInterface::setup(Stream & setupStream, const FSH* SSid, con
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif
wifiSerialState WifiInterface::setup2(const FSH* SSid, const FSH* password,
const FSH* hostname, int port, byte channel) {
const FSH* hostname, int port, byte channel, bool forceAP) {
bool ipOK = false;
bool oldCmd = false;
@ -225,7 +226,7 @@ wifiSerialState WifiInterface::setup2(const FSH* SSid, const FSH* password,
if (!checkForOK(1000, F("0.0.0.0"), true,false))
ipOK = true;
}
} else {
} else if (!forceAP) {
// SSID was configured, so we assume station (client) mode.
if (oldCmd) {
// AT command early version supports CWJAP/CWSAP
@ -285,14 +286,19 @@ wifiSerialState WifiInterface::setup2(const FSH* SSid, const FSH* password,
i=0;
do {
if (STRNCMP_P(yourNetwork, (const char*)password, 13) == 0) {
// unconfigured
StringFormatter::send(wifiStream, F("AT+CWSAP%s=\"DCCEX_%s\",\"PASS_%s\",%d,4\r\n"),
oldCmd ? "" : "_CUR", macTail, macTail, channel);
if (!forceAP) {
if (STRNCMP_P(yourNetwork, (const char*)password, 13) == 0) {
// unconfigured
StringFormatter::send(wifiStream, F("AT+CWSAP%s=\"DCCEX_%s\",\"PASS_%s\",%d,4\r\n"),
oldCmd ? "" : "_CUR", macTail, macTail, channel);
} else {
// password configured by user
StringFormatter::send(wifiStream, F("AT+CWSAP%s=\"DCCEX_%s\",\"%S\",%d,4\r\n"), oldCmd ? "" : "_CUR",
macTail, password, channel);
}
} else {
// password configured by user
StringFormatter::send(wifiStream, F("AT+CWSAP%s=\"DCCEX_%s\",\"%S\",%d,4\r\n"), oldCmd ? "" : "_CUR",
macTail, password, channel);
StringFormatter::send(wifiStream, F("AT+CWSAP%s=\"%s\",\"%s\",%d,4\r\n"),
oldCmd ? "" : "_CUR", SSid, password, channel);
}
} while (!checkForOK(WIFI_CONNECT_TIMEOUT, true) && i++<2); // do twice if necessary but ignore failure as AP mode may still be ok
if (i >= 2)

7
WifiInterface.h
View File

@ -36,17 +36,18 @@ public:
const FSH *wifiPassword,
const FSH *hostname,
const int port,
const byte channel);
const byte channel,
const bool forceAP);
static void loop();
static void ATCommand(HardwareSerial * stream,const byte *command);
private:
static wifiSerialState setup(Stream &setupStream, const FSH *SSSid, const FSH *password,
const FSH *hostname, int port, byte channel);
const FSH *hostname, int port, byte channel, bool forceAP);
static Stream *wifiStream;
static DCCEXParser parser;
static wifiSerialState setup2(const FSH *SSSid, const FSH *password,
const FSH *hostname, int port, byte channel);
const FSH *hostname, int port, byte channel, bool forceAP);
static bool checkForOK(const unsigned int timeout, bool echo, bool escapeEcho = true);
static bool checkForOK(const unsigned int timeout, const FSH *waitfor, bool echo, bool escapeEcho = true);
static bool connected;

5
config.example.h
View File

@ -123,6 +123,11 @@ The configuration file for DCC-EX Command Station
// this line exists or not. If you need to use an alternate channel (we recommend
// using only 1,6, or 11) you may change it here.
#define WIFI_CHANNEL 1
//
// WIFI_FORCE_AP: If you'd like to specify your own WIFI_SSID in AP mode, set this
// true. Otherwise it is assumed that you'd like to connect to an existing network
// with that SSID.
#define WIFI_FORCE_AP false
/////////////////////////////////////////////////////////////////////////////////////
//