| 2 |
raymond |
1 |
#include <FS.h>
|
|
|
2 |
#include <LittleFS.h>
|
|
|
3 |
#include "AsyncFsWebServer.h"
|
|
|
4 |
|
|
|
5 |
AsyncFsWebServer server(LittleFS, 80, "myServer");
|
|
|
6 |
uint16_t testInt = 150;
|
|
|
7 |
float testFloat = 123.456f;
|
|
|
8 |
bool testBool = true;
|
|
|
9 |
|
|
|
10 |
#ifndef LED_BUILTIN
|
|
|
11 |
#define LED_BUILTIN 2
|
|
|
12 |
#endif
|
|
|
13 |
const uint8_t ledPin = LED_BUILTIN;
|
|
|
14 |
|
|
|
15 |
|
|
|
16 |
//////////////////////////////// Filesystem /////////////////////////////////////////
|
|
|
17 |
bool startFilesystem() {
|
|
|
18 |
if (LittleFS.begin()) {
|
|
|
19 |
server.printFileList(LittleFS, "/", 1);
|
|
|
20 |
Serial.println();
|
|
|
21 |
return true;
|
|
|
22 |
} else {
|
|
|
23 |
Serial.println("ERROR on mounting filesystem. It will be reformatted!");
|
|
|
24 |
LittleFS.format();
|
|
|
25 |
ESP.restart();
|
|
|
26 |
}
|
|
|
27 |
return false;
|
|
|
28 |
}
|
|
|
29 |
|
|
|
30 |
//////////////////////////// Load custom options //////////////////////////////////////
|
|
|
31 |
bool loadApplicationConfig() {
|
|
|
32 |
if (LittleFS.exists(server.getConfiFileName())) {
|
|
|
33 |
// Test "options" values
|
|
|
34 |
server.getOptionValue("Test int variable", testInt);
|
|
|
35 |
server.getOptionValue("Test float variable", testFloat);
|
|
|
36 |
server.getOptionValue("Test bool variable", testBool);
|
|
|
37 |
return true;
|
|
|
38 |
}
|
|
|
39 |
return false;
|
|
|
40 |
}
|
|
|
41 |
|
|
|
42 |
//---------------------------------------
|
|
|
43 |
void handleLed(AsyncWebServerRequest* request) {
|
|
|
44 |
static int value = false;
|
|
|
45 |
// http://xxx.xxx.xxx.xxx/led?val=1
|
|
|
46 |
if (request->hasParam("val")) {
|
|
|
47 |
value = request->arg("val").toInt();
|
|
|
48 |
digitalWrite(ledPin, value);
|
|
|
49 |
}
|
|
|
50 |
String reply = "LED is now ";
|
|
|
51 |
reply += value ? "ON" : "OFF";
|
|
|
52 |
request->send(200, "text/plain", reply);
|
|
|
53 |
}
|
|
|
54 |
|
|
|
55 |
|
|
|
56 |
void setup() {
|
|
|
57 |
pinMode(ledPin, OUTPUT);
|
|
|
58 |
Serial.begin(115200);
|
|
|
59 |
delay(1000);
|
|
|
60 |
if (startFilesystem()) {
|
|
|
61 |
// Load application config options
|
|
|
62 |
if (loadApplicationConfig()) {
|
|
|
63 |
Serial.printf("Stored \"testInt\" value: %d\n", testInt);
|
|
|
64 |
Serial.printf("Stored \"testFloat\" value: %3.3f\n", testFloat);
|
|
|
65 |
Serial.printf("Stored \"testBool\" value: %s\n", testBool?"true":"false");
|
|
|
66 |
}
|
|
|
67 |
} else
|
|
|
68 |
Serial.println("LittleFS error!");
|
|
|
69 |
|
|
|
70 |
// Try to connect to WiFi (will start AP if not connected after timeout)
|
|
|
71 |
if (!server.startWiFi(10000)) {
|
|
|
72 |
Serial.println("\nWiFi not connected! Starting AP mode...");
|
|
|
73 |
server.startCaptivePortal("ESP_AP", "123456789", "/setup");
|
|
|
74 |
}
|
|
|
75 |
|
|
|
76 |
// Add custom application options tab and set custom title
|
|
|
77 |
server.addOptionBox("Custom options");
|
|
|
78 |
server.addOption("Test int variable", testInt);
|
|
|
79 |
server.addOption("Test float variable", (double)testFloat, 0.0, 100.0, 0.001);
|
|
|
80 |
// add a helpful comment beneath the float slider
|
|
|
81 |
server.addComment("Test float variable", "Use this to adjust the intensity (0-100)");
|
|
|
82 |
// add a helpful comment direclty (boolean comment appears inline by default)
|
|
|
83 |
server.addOption("Test bool variable", testBool, "Enable/disable feature");
|
|
|
84 |
server.setSetupPageTitle("Simple Async ESP FS WebServer");
|
|
|
85 |
|
|
|
86 |
// Enable ACE FS file web editor and add FS info callback function
|
|
|
87 |
server.enableFsCodeEditor();
|
|
|
88 |
|
|
|
89 |
// Custom endpoint handler
|
|
|
90 |
server.on("/led", HTTP_GET, handleLed);
|
|
|
91 |
|
|
|
92 |
// Start server
|
|
|
93 |
server.init();
|
|
|
94 |
Serial.print(F("\nAsync ESP Web Server started on IP Address: "));
|
|
|
95 |
Serial.println(server.getServerIP());
|
|
|
96 |
Serial.println(F(
|
|
|
97 |
"This is \"simpleServer.ino\" example.\n"
|
|
|
98 |
"Open /setup page to configure optional parameters.\n"
|
|
|
99 |
"Open /edit page to view, edit or upload example or your custom webserver source files."));
|
|
|
100 |
}
|
|
|
101 |
|
|
|
102 |
void loop() {
|
|
|
103 |
// This delay is required in order to avoid loopTask() WDT reset on ESP32
|
|
|
104 |
delay(10);
|
|
|
105 |
}
|