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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)! B! T! V6 S- M
- #include <ESP8266HTTPClient.h>" q: ?' T* i0 K9 ~" o7 k' l1 R4 M1 k
- #include <ESP8266WiFi.h>4 Z9 O8 }" [; g. N; x
- #include <ESP8266WiFiMulti.h>
8 O/ F' d+ t- y7 S2 [0 a+ X: ` - #include <ESP8266WebServer.h>
1 P' D( l6 p1 A' V4 N - #include <arduino.h>, X6 B% i: n8 x" b; Q3 |
- ESP8266WiFiMulti WiFiMulti;( P% ~6 k/ m+ p4 C: L; j& r* [
- ESP8266WebServer server(80);: ]7 Z/ d7 x2 T \; {( F7 c
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";- k4 o! o. u5 I9 K9 |
- ADC_MODE(ADC_VCC);
/ N) |# J# j' n! [0 n - void setup() {- j' E" u$ n+ @- j0 A0 K
- Serial.begin(115200);
3 k( s% ]+ Q9 U - Serial.print("\r\n\n");
( v7 X. _1 ^: `0 z5 A( l4 S2 F4 I- ? - pinMode(2,OUTPUT);2 m$ b2 l' ?( Q% w1 P/ {
- // WIFI- a4 W. P; r8 S% }- s
- WiFi.mode(WIFI_STA);
# E: C1 S; c, T3 S: N - WiFi.hostname("Sparkle");
# v' M2 R G+ A9 m - WiFiMulti.addAP("wifi ssid", "wifi password");! M& l! m; z6 c
- int tryNum = 15;1 w0 _" ]* G2 p0 b! t1 N0 p
- Serial.print("Connect WiFi");0 g8 k7 `4 ~; N$ W* |
- while (WiFiMulti.run() != WL_CONNECTED) {
. S- `, m$ d: ^& U7 I- m - digitalWrite(2,0);
) R$ `" F. V2 ^" N# M- J, w' u! r - delay(200);
1 x* O% K; m% J7 U1 `9 ~9 @5 p - digitalWrite(2,1);; Q6 q2 F9 Z# o4 L
- delay(300);
4 C8 C, H0 t+ f2 { - Serial.print(".");9 ^7 j% r4 F2 j! @, p. f
- tryNum--;: q# v. ?' e: {6 B+ i- B
- if (tryNum == 0) {
8 Q; m% H5 t0 [( w# O - // 1min" S1 c% O# }- f! ?% y
- // ESP.deepSleep(60e6);
: J1 T0 c3 d g% } - ESP.deepSleep(0);
! N; _; J; [3 T/ o/ B7 T - } u0 s9 O% T0 D
- }
% D. P$ e/ Z2 t& e8 e - Serial.print("\r\n");
. w5 R6 ^" C0 U) x& @ - digitalWrite(2,1);, U1 |+ C% j# N" e9 s; E
- Serial.print("IP address : ");& e+ x; \) ]9 Z( C
- Serial.println(WiFi.localIP());
2 k# a1 ~8 {8 _- k, ? - server.on("/", HTTP_GET, [](){
$ P9 g1 G4 _ L0 m' J - server.sendHeader("Connection", "close");
+ C. U" l) p E, D - server.send(200, "text/html", serverIndex);" P' ~0 l2 }+ g/ @, F, Q
- });
: T% |! Y$ `4 U1 w4 i - server.on("/update", HTTP_POST, [](){) J0 G& ]- l4 m/ U# ^2 K
- server.sendHeader("Connection", "close");! b" C2 A9 c; W" a2 {4 Y
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");3 U% w' o! T; \9 ^
- ESP.restart();
, q8 j" F1 I: H; y: | - },[](){) ^9 b3 u% e) l$ [
- HTTPUpload& upload = server.upload();) r) N& f6 F( f5 C+ ~
- if(upload.status == UPLOAD_FILE_START){ V' v" Y/ x; ?1 W7 A1 Z) o
- Serial.setDebugOutput(true);( B! a; S+ z) x- o* Z( `/ r& ]
- Serial.printf("Update: %s\n", upload.filename.c_str());" e) H# a( w4 a
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;& Y% O) R) v) S& `" v
- if(!Update.begin(maxSketchSpace)){
; @* E2 n/ W z# v& f, w5 J - Update.printError(Serial);2 Y0 ^# t* [2 P. G
- }* H- e. q7 M& S S
- } else if(upload.status == UPLOAD_FILE_WRITE){* T& u. p8 O$ P
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){; W6 w6 u; Y; O* R& ~( Y
- Update.printError(Serial);
7 A7 v# V. g. D" x, x+ g% Y2 ?% F - }
+ D0 V& D9 T, c6 C - } else if(upload.status == UPLOAD_FILE_END){2 Y; s- ^( u: }9 g* }: x" U# _; V% j
- if(Update.end(true)){
E8 p( m( R& J; r3 } - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
& \5 C. z t' c: ^5 V - } else {; W3 I) b# E2 t; M- q
- Update.printError(Serial);5 E# y. c7 L/ r1 I/ W
- }5 O- ~# f3 n3 ?/ q
- Serial.setDebugOutput(false);
5 {1 s! X; w! Y% C8 g; j0 w% m - }
$ w3 ]* t) N; X. Y% g. @ - yield();
( F$ h) b- c: | - });
6 c% @5 w, J, n& y1 k5 Z F - * V4 V. | U/ E& Y+ d# N9 }
- digitalWrite(2,0);
6 K! y$ ^1 Z0 M) |/ @1 B9 Q - mainAction();1 Z3 b3 a0 w. o6 L+ w
- if (digitalRead(0)){
/ e. {8 w1 ?$ _# ] - ESP.deepSleep(0);
( w) e$ ~" ~) h4 M. I - } else {4 U* R! _- {2 E! s7 T3 Q( t
- server.begin();8 s( d& Q; s; t) B; q3 P
- }
: s9 }& h$ e; \# c+ O0 G" x - }% o- z" Z$ O4 F& ^
- void loop() {% |1 i0 q5 c3 M! D# g% K- s) T
- server.handleClient();
5 y L1 V" G4 g# [* h - delay(1);: s) R- r" |4 T0 K( P# S; k9 N7 L* ]( R
- }5 o. z: Q0 N; r+ ^1 K! s+ {! [+ j# s
- String doGet(String url){' e+ v5 L* C& b3 R+ h
- if ((WiFiMulti.run() == WL_CONNECTED)) {
& G& B) T$ b1 I- [5 _, p8 x - HTTPClient http;, y" }- S$ b5 |
- Serial.println("[HTTP] begin...");
; s1 p( `* J/ y9 u8 c - if (url.startsWith("https")) {# \% L* k$ q3 W
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");4 @. M2 I( ^' }. T2 @- ^3 x
- } else {
5 E8 o' c" t5 W4 Y1 Y3 H - http.begin(url);+ h, j) }) w0 e# l x6 k
- }
. J# v: E# j/ E2 d6 O - Serial.println("[HTTP] GET...");
0 l1 Z; ?" m0 W3 Z6 ^& {3 [& W - int httpCode = http.GET();
4 F" B) W' D! D, X6 a- d - if (httpCode > 0) {7 [" J9 t6 k4 S; Q5 X9 T% d
- Serial.printf("[HTTP] code: %d\n", httpCode);5 z6 o0 v8 M4 w: D
- if (httpCode == HTTP_CODE_OK) {$ f8 [. q' f! R6 y" k3 R
- String payload = http.getString();3 `: p* c& D% R9 a
- Serial.println(payload);
8 v& k( y7 x0 f - Serial.print("\r\n");
7 l& J4 ?* a6 Y! r! |' [4 D0 [ - return payload;4 i ?. V+ `2 v6 }/ _% H: o
- }% q/ W# Y V7 |5 u3 ?2 E. K
- } else {
! s# r/ u! C% C* @& R% r - Serial.printf("[HTTP] GET... failed, error: %s\n",
+ h/ x4 [/ [1 L) U& c2 n3 T! Y% p" i - http.errorToString(httpCode).c_str());1 m) Z( q% [5 |/ u
- }
7 b$ w Z L/ }) g% P) L) t/ G - http.end();
l6 s* ^# p9 \# G0 s* ?# J8 I - return "";4 j5 l* \7 a% p9 m R' b5 h
- }7 |3 f) n6 [; x4 f: u- A
- }
2 O$ p3 J6 Q* D4 B9 a9 @$ ` - void mainAction() {9 ?( Y/ u0 ~4 v2 _2 F
- // 发送请求: H0 Z' X" E8 P0 P9 m0 m7 |+ y
- doGet("http://google.cn");: J2 y; I; d. G0 R% L
- }' ?- X! h# Z+ U0 V
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