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接上电池,用一个按钮把rst和gnd接上,按一下按钮就会自动开机发送请求,然后进入深度睡眠,可用于低功耗的物联网开关触发器(如需使用自动唤醒,还要将gpio16接到rst)
* W& L4 p2 j7 n! `. R- #include <ESP8266HTTPClient.h>: z* i% \& o* l( `# Z6 x+ U9 A
- #include <ESP8266WiFi.h>
1 J- [- `5 r5 D8 I( \ - #include <ESP8266WiFiMulti.h>
2 Y0 I/ E# k" d' P2 B, d - #include <ESP8266WebServer.h>
9 j1 c# t6 T5 b5 e5 f; C! e - #include <arduino.h>$ [8 Z) t `4 J1 R* x, m7 o1 D
- ESP8266WiFiMulti WiFiMulti;
7 H+ N* J$ u; `# @6 u - ESP8266WebServer server(80);/ `" } i- t( C& Z8 [
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";9 d! B0 M4 a2 c7 X7 y- L+ a& p
- ADC_MODE(ADC_VCC);
* o* s0 L& w& z ?) f) P" F, S! R - void setup() {
# |* G% F( } E1 k, h9 o3 O - Serial.begin(115200);
& J, Y; \) @' C) {0 J9 k/ k - Serial.print("\r\n\n");
$ l P C& t- t4 e* t7 K7 ?% t - pinMode(2,OUTPUT);
# Y& k# D! V' t - // WIFI6 E" X) Y8 X! K5 ]
- WiFi.mode(WIFI_STA);
6 S P4 y0 Y9 Z - WiFi.hostname("Sparkle");
; }- G# B( A1 c: M6 ` - WiFiMulti.addAP("wifi ssid", "wifi password");: G' G( P% E7 ]% r. [6 Q
- int tryNum = 15;
" z- q' v/ a5 T& t) I3 n- m+ c - Serial.print("Connect WiFi");8 |2 k: _: s$ Q5 [
- while (WiFiMulti.run() != WL_CONNECTED) {
, d% }$ _! |+ P: e% Y" v - digitalWrite(2,0);6 K9 n! e+ Y9 d2 [+ K( l3 w
- delay(200);
$ Y1 r1 d; U9 F - digitalWrite(2,1);$ q7 v4 X9 l! ^6 I
- delay(300);6 k* X) k4 R; \" B9 l: y3 r4 O
- Serial.print(".");
8 |7 P" a: R) a3 r* a - tryNum--;5 n4 K5 ?6 s0 }& I& e3 H
- if (tryNum == 0) {
4 H7 @" N! v$ P1 [ - // 1min; B# E1 c/ t, J+ c
- // ESP.deepSleep(60e6);6 c/ _; F. c4 T
- ESP.deepSleep(0);$ {+ u! P: c7 w
- }1 e, G$ G- }4 |9 C* o3 l4 J$ K
- }
0 y/ _+ i( u4 o' U6 X - Serial.print("\r\n");
h! u6 K: f, |; h- B: j - digitalWrite(2,1);
$ y) S% M8 J7 G- f- A, F - Serial.print("IP address : ");. s; D4 s7 |" L+ D
- Serial.println(WiFi.localIP());. ~1 {% W" W/ K. W$ ?0 z) N" z$ J! Y
- server.on("/", HTTP_GET, [](){* v5 Y" r( p5 T# U) q
- server.sendHeader("Connection", "close");7 w3 s1 G; Y& F& r6 D! w/ V
- server.send(200, "text/html", serverIndex);
7 v' q9 S6 }9 \% V B& r$ _ - });
6 `) K, o5 I3 Q) h - server.on("/update", HTTP_POST, [](){& `3 l' ^4 Q$ G- w3 _- T% D
- server.sendHeader("Connection", "close");5 E& o& N6 P0 C* x0 e7 f
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");: p% a0 ?2 b! b0 p$ s
- ESP.restart();
9 J* G( H G$ B/ f+ @4 h3 L - },[](){
) b6 b' M0 O% h( e. `5 j - HTTPUpload& upload = server.upload();4 X& ]3 \% o, E
- if(upload.status == UPLOAD_FILE_START){
$ X7 y( @# }+ t9 P* C4 H - Serial.setDebugOutput(true);
+ o% d9 m8 m# D" K( v } - Serial.printf("Update: %s\n", upload.filename.c_str());
, S2 W! Q+ K* I* `( f+ y& K% z - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
. v6 J& @7 C) i' p - if(!Update.begin(maxSketchSpace)){
) `" S- F+ F: j6 e6 G7 l% h, } - Update.printError(Serial);
# _6 T$ v n2 S8 N. J$ ?$ S - }0 c! y/ m2 {; C+ n# @
- } else if(upload.status == UPLOAD_FILE_WRITE){, X& @- K* a2 L9 o8 b( W
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
/ C, n, N/ G$ b& r7 o/ Z - Update.printError(Serial);
# B: n, k7 J1 M3 {: y- X% v - }
- Y ]4 D$ h! A; w3 p5 U$ F - } else if(upload.status == UPLOAD_FILE_END){, G k% j8 y. R- o( b0 G; D: T
- if(Update.end(true)){' E7 x, q" j- c- E+ K
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
+ X% h) q! E4 H7 c2 W5 q+ E* u - } else {
, V: m, I4 T2 X6 e2 C - Update.printError(Serial);
9 J, C8 ?0 x* A. M6 h: s: F2 @6 d - }2 d) |6 {3 \& Q# k1 X/ p9 `) R
- Serial.setDebugOutput(false);
9 e0 O5 ?/ K1 V# e - }
8 Q* t$ W3 B6 _4 X u5 ] - yield();6 i: I. V: |7 p \7 Y0 t: I( \
- });8 B' |, `, Q. T) T J- h0 s) [% `
- * l( I+ C; i. v; G
- digitalWrite(2,0);
5 C2 K' i @0 I, @( E - mainAction();
0 j3 ?/ k6 B4 k i* h8 u8 t F6 { - if (digitalRead(0)){1 _: T; W) q; b( ]1 R
- ESP.deepSleep(0);
+ `1 J% |- c) `( i - } else {
' k# G* `& m" @3 D0 e& p( ^% C3 t3 R4 ~ f - server.begin();
4 k0 o* t- {: t. F L - }: r" F! S( [/ q
- }
5 [/ @8 N/ {$ k# @% c - void loop() {
* ?& r7 k9 \# ^( O5 S, a - server.handleClient();) e Z M+ p2 C- }) _
- delay(1);) d2 v+ O! e s, z# N! \% `! u8 x. C
- }& u9 @9 V) h) w6 {$ d& u, f
- String doGet(String url){
2 o# ~- l4 V4 Z' \! `- L) j5 O - if ((WiFiMulti.run() == WL_CONNECTED)) {4 v9 A; a, X8 X+ i
- HTTPClient http;
8 f/ z6 W l8 o' b$ K' H8 H! T" { - Serial.println("[HTTP] begin...");! p9 q! b- \5 O4 S' A" p
- if (url.startsWith("https")) {
! A6 J- w% }! }" N+ v2 R - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
7 m: L# B& E( [/ u - } else {
3 v6 C6 a. S& v0 Q0 W5 t - http.begin(url);
; k* h2 U5 S7 M" p+ b4 Q- S( f - }
6 g% g' |$ v" T9 ^2 [ - Serial.println("[HTTP] GET...");
6 C6 V# {" p6 P - int httpCode = http.GET();$ }4 m, d/ n4 q! n4 f
- if (httpCode > 0) {! T% F: h2 i' ?9 J
- Serial.printf("[HTTP] code: %d\n", httpCode);: {) @: E6 G( y, H" N) y- W
- if (httpCode == HTTP_CODE_OK) {! n7 ]" q9 N1 ]1 S
- String payload = http.getString();, @* D3 W6 x) `+ Y+ d& Z
- Serial.println(payload);2 @; T, o6 h% f
- Serial.print("\r\n"); B6 h( A4 N7 ^! ~2 b8 o7 L2 V0 U
- return payload;
4 D% @& w9 `! V' W3 }. F( p - }# O+ R- H0 y' H5 t7 a
- } else {
0 x: d4 h! a. Y - Serial.printf("[HTTP] GET... failed, error: %s\n",
7 S( U4 Z3 c* e- r: V8 g - http.errorToString(httpCode).c_str());& V) m" \0 }6 Q6 S4 d* Z, I
- }
/ i+ ^: w/ H5 T7 P: A: J9 [ - http.end();8 j/ E7 X9 A8 R+ o5 }% ?
- return "";
9 t8 d6 O+ B9 \6 i - }
' l% j2 {- S/ R: h5 T$ ^ - }
7 ~. ~! ?! ? S+ X! @ - void mainAction() {( y T8 O6 r& B8 S9 D9 [; K
- // 发送请求" _8 e: X% b; n% @8 D0 F9 U. u
- doGet("http://google.cn");
; w, e/ E, w% P2 L - }5 p/ G: V+ h* x. a8 K0 P
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