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davepermen/devicesetup.cpp

Created January 21, 2025 14:13
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basic web-device setup routine
Raw
devicesetup.cpp
const char *ssid;
const char *ssidpass;
const char *webrequest;
bool loadsettings() {
if(FS.exists("/ssid") == false && FS.exists("/ssidpass") == false && FS.exists("/webrequest") == false) {
return false;
}
ssid = FS.read("/ssid");
ssidpass = FS.read("/ssidpass");
return true;
}
void handlesetupasneeded() {
auto ssids = WiFi.getvisiblessids();
if(!ResetButton.doublereset() && loadsettings() && ssids.contains(ssid)) {
return;
}
WiFi.starthotspotmode();
Server server(80);
server.get("/", [](auto request) {
request.send('<html>...<form action=post>...');
request.send('<select name=ssid>');
for(var i = 0; i < ssids.length; i++) {
var ssid = ssids[i];
request.send('<option value=').send(ssid).send('>').send(ssid).send('</option>');
}
request.send('<input type=password name=ssidpass>');
request.send('<input type=text name=webrequest>');
request.send('...</form>...</html>');
})
server.post("/", [](auto request) {
FS.write("/ssid", request.form.ssid);
FS.write("/ssidpass", request.form.ssidpass);
FS.write("/webrequest", request.form.webrequest);
request.send('device is set up, should show up online in the dashboard');
ESP.restart();
})
server.listen();
}
Raw
devicesetup.h
extern const char *ssid;
extern const char *ssidpass;
extern const char *webrequest;
void handlesetupasneeded();
Raw
main.cpp
#include 'devicesetup.h'
void setup() {
handlesetupasneeded()
/* insert actual code */
}
void loop() {
/* insert actual code */
}
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