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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)
5 k! ]0 C9 R' Q- #include <ESP8266HTTPClient.h>9 _0 Z1 b |* ?1 ]! W. ^$ f% n: x. [" c
- #include <ESP8266WiFi.h>/ `; G5 |6 A# j( D3 e. z
- #include <ESP8266WiFiMulti.h>
2 T& b' o/ p7 K% p - #include <ESP8266WebServer.h>
7 x( e9 x5 J% A; s - #include <arduino.h>
$ i) M3 w' }" ]) u' z( D7 d - ESP8266WiFiMulti WiFiMulti;* b$ ]9 T/ I, @+ P
- ESP8266WebServer server(80);/ t! {+ B2 I5 \' Z% m1 j: O& {/ M
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";- D, l. @! L6 h5 G, z
- ADC_MODE(ADC_VCC);$ _2 l4 ~0 T4 H1 Z; c2 p4 X
- void setup() {
, e8 `- B/ r1 c+ P - Serial.begin(115200);( F: z, q+ j! ~. K4 F0 t
- Serial.print("\r\n\n");8 Q( ~3 u$ f# m+ h& j9 f
- pinMode(2,OUTPUT);
: P8 A( x8 n4 ^. T - // WIFI
- @2 d4 g, @! ~+ M$ f1 K - WiFi.mode(WIFI_STA);8 t( T' B& Y, S; ?5 O
- WiFi.hostname("Sparkle");6 ^% `8 l9 s5 a# u1 r2 H" }
- WiFiMulti.addAP("wifi ssid", "wifi password");6 @7 \. u3 B; R" O
- int tryNum = 15;
* y' |/ ~5 ^) P9 e/ r - Serial.print("Connect WiFi");" ]( b) j/ q/ I6 G6 a f! M
- while (WiFiMulti.run() != WL_CONNECTED) {
$ P. F0 Y8 v/ e# x) x5 T1 N1 W! E - digitalWrite(2,0);& Q k2 s3 E' U0 B/ B& j% ?
- delay(200);
/ \$ V# \( i% A5 u+ c1 N0 ? - digitalWrite(2,1);
, y K) C) H& e N; \- U' X - delay(300);0 D$ t8 L" y1 F& t! P; H
- Serial.print(".");
5 M/ ^* a* k0 j1 v. T* _2 M - tryNum--;) m1 u i) B* O1 D, N
- if (tryNum == 0) {. A1 U: M8 G; {6 z3 h
- // 1min# o: i) b9 e8 A, H ~5 u3 l3 m+ u
- // ESP.deepSleep(60e6);
/ P- S9 y5 S! Z" x# r: B5 n - ESP.deepSleep(0);
2 O& S/ L' H' x! a# o: R5 E2 A# H% a - }
! O2 z& d; z& G! [6 W - }9 V' Z' j- {. ?8 R# B- \: B! e
- Serial.print("\r\n");, b6 h3 ^9 L! X& q$ s
- digitalWrite(2,1);
& n7 c) }4 g; \4 O: o. a - Serial.print("IP address : ");
) P5 z# s! n! Z - Serial.println(WiFi.localIP());; O' N* _& l/ V* e
- server.on("/", HTTP_GET, [](){
# s X+ J4 d* Q) z4 B' i! f - server.sendHeader("Connection", "close");; B5 y( V m; ]
- server.send(200, "text/html", serverIndex);
6 c8 Y6 k! p4 e - });, v3 y; v4 J* l& U
- server.on("/update", HTTP_POST, [](){+ u+ }. [4 v, f, w2 W0 {, C( x
- server.sendHeader("Connection", "close");( s6 ^+ F8 s7 X
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");' ? e; e2 o Q- ~( K3 Z% @
- ESP.restart();
+ Q) Z% U A1 u: n O" b) M! m - },[](){# @" Y& Q' C# z' F5 g& D5 F
- HTTPUpload& upload = server.upload();
) q3 K# G5 @+ t7 q* h' x - if(upload.status == UPLOAD_FILE_START){
+ w% B; t' b1 X. @6 W; v$ L9 G! | - Serial.setDebugOutput(true);
, q3 [+ i+ f8 m; l* n* F - Serial.printf("Update: %s\n", upload.filename.c_str());# G0 J2 R4 b$ ?. N, k
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
) I3 b) n4 }1 k- @4 V. X - if(!Update.begin(maxSketchSpace)){/ K8 Y1 c- k' j; z
- Update.printError(Serial);% ~" b3 x1 ~( f! A' f U) P' D
- }
/ n/ X: j" q! P) a - } else if(upload.status == UPLOAD_FILE_WRITE){) B4 ^. y1 w6 S8 w
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){: O; p) p( ?1 w# T7 X9 c
- Update.printError(Serial);
- w0 a. |& `! B/ L7 ~9 e2 X - }
! g) r6 |) B2 e: F7 s$ g - } else if(upload.status == UPLOAD_FILE_END){
n+ k: ^% l0 i o$ j+ E7 I - if(Update.end(true)){
( p6 Y0 k$ H, f* q1 r0 S& n2 m - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
, f2 {. r- @! k2 a - } else {
4 l$ j, p1 d l, ] - Update.printError(Serial);1 D2 D8 @7 a7 r6 P6 j
- }& ?' w' Q# M3 A! f* \) H S9 P
- Serial.setDebugOutput(false);) Q3 j0 |. Q3 Z6 c6 E& C
- }! u0 W) B+ q0 H
- yield();
o0 R% h+ n. H7 g - });
, [' ?) [( q g* {: e1 N! P - . R+ ~1 ?1 ]7 e" E% K& c0 ]: P; t
- digitalWrite(2,0);' h8 s' I7 W/ j( o# M
- mainAction();
?4 r9 j' v1 S - if (digitalRead(0)){$ E- I4 {) Z4 J5 D6 I3 `: M+ W
- ESP.deepSleep(0);
' c2 ?) O1 u7 l" y3 P0 O - } else {4 N; Q; P6 H3 Z/ H
- server.begin();& R" ~: P4 n* C' g, ]' R' r
- }
! z8 j/ }" t6 U4 k& ` f - }' R4 i9 w0 j; Z. z
- void loop() {" o' x- ]3 d- o/ t( t& w0 T; H
- server.handleClient();
! T9 J6 p; x$ H) u/ X/ W2 ~# c# i - delay(1);
+ {1 H p' Z0 P5 t) G9 f! s/ z - }
% x4 D$ p* S1 z9 @& ~) Q+ e3 g - String doGet(String url){/ w8 k; A; ^+ u ?5 I; n0 f/ [
- if ((WiFiMulti.run() == WL_CONNECTED)) {
) F! B$ g' ?( a ?% J, @1 \4 T - HTTPClient http;, b, P/ K( E8 z5 }6 j: s1 v
- Serial.println("[HTTP] begin..."); l2 {9 H9 C1 q5 T
- if (url.startsWith("https")) {
* f7 o4 u% Z9 S: h - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
( F4 U3 P: o2 m5 t5 S2 X# S - } else {
% X- E6 F" [' b1 O# A6 X# g* d - http.begin(url);# W& |; u* L" v+ M& l
- }/ ]& E; `1 W8 O# U5 H0 g4 _
- Serial.println("[HTTP] GET...");
" s% v' i% H" n; |8 L# l& x - int httpCode = http.GET();
) i6 S3 V) h0 z - if (httpCode > 0) { w" v) i1 F* i& n U, i: M# K+ @
- Serial.printf("[HTTP] code: %d\n", httpCode);9 j( p& [8 P% S% { n1 m
- if (httpCode == HTTP_CODE_OK) {
2 ?" O) v' P) C. V: U0 }8 ?+ X7 u - String payload = http.getString();! W4 F/ X- b; B# ~* x% d1 R& l
- Serial.println(payload);
8 A) @7 U$ x0 {! @4 b% o" m - Serial.print("\r\n");
4 |. R& K0 {; V5 D - return payload;7 }' \; n' M! C& J' i5 w' n6 _
- }+ R5 \& d1 ]8 N) U* Q9 q, j2 `7 h
- } else {
9 l, s) t; e/ M) @' } - Serial.printf("[HTTP] GET... failed, error: %s\n",
7 @; K$ C& @) v+ P z% Z0 E* v( s - http.errorToString(httpCode).c_str());# U+ O8 m1 V* q' t
- }3 k7 }0 P0 \( b: d, m0 O2 o
- http.end();
9 `' E" `9 t4 w$ q: E$ Q4 Z7 V - return "";7 t7 K8 e( I& n' p8 H
- }
8 g9 ]1 G2 w: }, _/ G - }2 X. y8 R1 E; Y5 z
- void mainAction() {: a! G: W& p7 U# K6 `
- // 发送请求
8 R+ n* e# j7 r- A- C, g: b$ q C - doGet("http://google.cn");
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