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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)) d; l( ?: F" m+ a
- #include <ESP8266HTTPClient.h>
7 R7 B5 t3 G& _ _ - #include <ESP8266WiFi.h>3 q* O3 V4 d" [+ }
- #include <ESP8266WiFiMulti.h>. F8 |8 C. ^0 Q
- #include <ESP8266WebServer.h>8 i; Z0 [: k# ]* G- G
- #include <arduino.h>" _9 p* d4 }) p A |- _; h) _
- ESP8266WiFiMulti WiFiMulti;
* N1 Q2 I/ y% u9 a& ?9 n - ESP8266WebServer server(80);/ }1 |( t. ]/ r8 M ~& R" v) t) U
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
2 H- Y# ^! V, x - ADC_MODE(ADC_VCC);
/ u; H1 w* @9 H+ G - void setup() { T) r" W6 e3 M* q1 Q- H
- Serial.begin(115200);( d4 L- U: u- V' X- G, w% R( e
- Serial.print("\r\n\n");
8 F! k3 \- u/ x& N* Y - pinMode(2,OUTPUT);
& p+ w9 G2 M; @7 X' V, u% T - // WIFI
% t' P9 e+ m; t1 E2 G - WiFi.mode(WIFI_STA); ` I, `: s( M+ c6 z. _' f
- WiFi.hostname("Sparkle"); E& R# F6 p# L1 c8 b' x0 }( L0 b
- WiFiMulti.addAP("wifi ssid", "wifi password");
3 J7 [7 C- f0 b$ `7 r, B7 X/ I1 [ - int tryNum = 15;, L# P9 B! S) V, U
- Serial.print("Connect WiFi");
; D& p: C$ V. L h - while (WiFiMulti.run() != WL_CONNECTED) {
0 J% k1 s* ~1 A# Y, N f - digitalWrite(2,0);+ L' a5 T! P( ^0 O4 T
- delay(200);4 _/ j0 N1 C" d- m a8 I/ G' \. D
- digitalWrite(2,1);( v5 H. w5 s- K: {. M9 K. i4 g
- delay(300);1 ^+ y, _7 ]* S- l. u) w
- Serial.print(".");, s) r# Q6 f9 g- H- h0 ?; Z
- tryNum--;
5 ~* J* h4 c T - if (tryNum == 0) {# Y1 B( r9 S' i0 U( x! d
- // 1min
: R6 I* V7 X3 A$ H - // ESP.deepSleep(60e6);* _" x; S! j- T( d4 X4 M+ ^6 S* s' `3 b
- ESP.deepSleep(0);
; O6 Z# ?; Y3 c: U# c- @/ ? - }; p/ j; {/ s" ?/ r* h
- }) b2 ?% F* Z2 B& W8 \4 M
- Serial.print("\r\n");" o. b& m4 f! p; n
- digitalWrite(2,1);
5 r# y/ E: K6 D; O - Serial.print("IP address : ");
/ H+ V N' _0 R, A9 U" b; l' ~ - Serial.println(WiFi.localIP());
( h* V% c% I/ Y2 B( J2 Q ], i* _9 y - server.on("/", HTTP_GET, [](){. [# d5 q7 U. n7 L9 V3 j
- server.sendHeader("Connection", "close");
5 [8 i6 O: S# A0 R C - server.send(200, "text/html", serverIndex);
% _4 @$ \( d. K) q6 \! Q4 S! Z4 @3 w - });% P+ Y/ B K K* U0 s6 v6 E8 f
- server.on("/update", HTTP_POST, [](){& `$ p) s0 {, O
- server.sendHeader("Connection", "close");
6 M* \5 o8 g2 f$ F% `0 B J! D - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
, N+ S9 J `1 X/ W N+ _ - ESP.restart();1 H1 L+ _1 G: |* M% I5 J) k3 W! m
- },[](){$ [+ \% U8 @7 ~1 ^" u( M# E3 L5 t
- HTTPUpload& upload = server.upload();( ~& G O' \* v% [1 t, x
- if(upload.status == UPLOAD_FILE_START){
; }* l0 o5 I3 X4 P% o# ` - Serial.setDebugOutput(true);# [5 d0 v! c9 f* V
- Serial.printf("Update: %s\n", upload.filename.c_str());
& C, i4 V5 f! A0 y/ y7 G/ m - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;/ p& K2 E5 h' V/ H0 F8 d
- if(!Update.begin(maxSketchSpace)){- h/ {9 y9 q, W9 g/ O) g- g4 i
- Update.printError(Serial);
4 C( t6 Z1 D; m5 ?' s - }: t/ n4 n4 }: i9 D9 v
- } else if(upload.status == UPLOAD_FILE_WRITE){, _! V. }( P y9 e; X1 x
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
# Q$ {: e1 B) s F5 ]$ V - Update.printError(Serial);5 Y8 ]0 h+ J( w6 r7 n, `
- }/ J$ a% o# N& }) W9 B8 Z# L* V
- } else if(upload.status == UPLOAD_FILE_END){
0 ^3 A2 K: ?/ j8 m& L - if(Update.end(true)){
; I* W% L5 q1 W! Z - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);8 ^; _9 ]! J" P6 v
- } else {
" h3 w: J! s5 j O9 }* r, r) l - Update.printError(Serial);- ], f4 |: g" A/ v6 I8 v9 F
- }6 `- D2 |0 s& _* m
- Serial.setDebugOutput(false);1 R+ A8 `% b& u* V5 |" X2 E- `
- }! ~ Z" t3 r1 V. x# P" {
- yield();7 C( v& B: T3 p# `+ u% ~+ t
- });: r/ P- v% N. D$ ]
-
3 u) s* F3 H. n, D+ B! p; l& u* I - digitalWrite(2,0);/ E5 Q7 V% c) d, L: V3 s
- mainAction();
0 k+ l" i* S7 @1 j3 _ - if (digitalRead(0)){
* R& m( B) [- y9 [1 n9 B - ESP.deepSleep(0);
) p6 m. f0 E1 F - } else {
5 H$ k7 y& H6 i8 ^" F - server.begin();
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- } u: M9 I+ f& _" L3 e; I$ d$ w) Q
- void loop() {2 d& X3 w2 [1 ?
- server.handleClient();
& \* V" ]0 |+ h1 K- f - delay(1);. ?, J5 |3 X' i) `! B3 g3 K
- }7 i! ?8 C+ v5 q3 G. C- b' p
- String doGet(String url){8 c* y5 k0 S% a' r. H0 h" }2 R1 I
- if ((WiFiMulti.run() == WL_CONNECTED)) {
8 b. R) [2 X: f! R$ j% e" X$ k5 m& L - HTTPClient http;
1 d/ S2 I, B) g# [ - Serial.println("[HTTP] begin...");
! q3 s, e- _) ]; S( ^* t* C - if (url.startsWith("https")) {5 G, t9 S9 D* @$ a4 O8 S
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
! u/ K; x2 x( L8 `; ` - } else {! ~2 d& r8 p& f1 a
- http.begin(url);
+ o2 i7 U# q, _ - }$ s2 t2 T' U: B/ G# O' N
- Serial.println("[HTTP] GET...");
4 x! E# o) U4 l s4 U9 T$ X - int httpCode = http.GET();2 e. q. ~ c, X8 q# b! M7 \! \
- if (httpCode > 0) {! K/ H$ k: a! t( X% E! M! ?
- Serial.printf("[HTTP] code: %d\n", httpCode);
. L& \& v& M# S6 R! i% T - if (httpCode == HTTP_CODE_OK) {
& }, p) A, m0 g1 _ \8 U: l - String payload = http.getString();# H+ X0 }- D; h
- Serial.println(payload);
4 h% i% x. x: Z6 X$ Q) ^8 E7 n - Serial.print("\r\n");$ ^6 l7 k5 D0 d* H, J
- return payload;: m8 E/ y# {1 e/ ^! W
- }
3 T5 ~+ l% f2 n! J6 z- V, n- K - } else {
4 c! Y* `/ B7 O$ q& ^5 Q2 N6 ^ - Serial.printf("[HTTP] GET... failed, error: %s\n",
* ?$ a! U6 I/ ^. d( J' e - http.errorToString(httpCode).c_str());
7 n: ^( w/ u( }* Q4 L& a9 O - }
! L2 h y, [$ T5 A% o: K - http.end();$ n/ b d% C1 ?5 ~
- return "";' [7 S' S6 Q% z7 ~7 C( `: w; {
- }0 ?3 B u, L% u. S) p/ h6 U' s
- }
, {. J( j6 L, h9 J) w - void mainAction() {
' `1 w3 k2 {) I4 V0 n+ @ [* c - // 发送请求 b" n" \2 T; Y$ }% h! ]1 n; j
- doGet("http://google.cn");, O8 v: y+ U k
- }
& O0 y# _8 G( Y& b. e
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