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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) Z$ P. x. ?+ O2 G, ?- H" x6 s" ]- y
- #include <ESP8266HTTPClient.h>
1 M+ y2 i8 b. _( L9 t1 ^ - #include <ESP8266WiFi.h>/ V5 r7 J U- A2 R; O: B$ d
- #include <ESP8266WiFiMulti.h>* `. B* p" n) E
- #include <ESP8266WebServer.h>; _$ ]/ O6 r6 D" M0 ~8 ?/ G; P
- #include <arduino.h>. P% c# q N+ X* P$ K0 D
- ESP8266WiFiMulti WiFiMulti;
) [+ b6 F; g$ y- C+ B - ESP8266WebServer server(80);+ H- k& ~$ i+ C" @
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
* R* `" Q2 Z1 ~3 l, ~ - ADC_MODE(ADC_VCC);; n' g' d5 j# V6 }& j3 N2 c. b
- void setup() {* N% M. H( T, J2 M# u8 d5 k: M
- Serial.begin(115200);
, A9 ^ w6 t9 C4 A0 l - Serial.print("\r\n\n");# O7 V* d1 y# a4 N
- pinMode(2,OUTPUT);, b/ a: r% g; m
- // WIFI
p- z9 L1 @0 B* V' h8 { - WiFi.mode(WIFI_STA);
( l! L7 \) [# y0 b1 S9 l - WiFi.hostname("Sparkle");
1 `& l3 Y/ i4 K - WiFiMulti.addAP("wifi ssid", "wifi password");5 [. l) r, A' A9 p
- int tryNum = 15;
$ N# c$ I+ e6 o8 H: ~ - Serial.print("Connect WiFi");# s; o/ W3 G/ H5 Z3 d, ]0 i
- while (WiFiMulti.run() != WL_CONNECTED) {0 _0 v. K: [4 m( Z
- digitalWrite(2,0);' ]' {- u3 ^ t2 m$ z1 ]
- delay(200);
7 R" U( f. d3 f! [5 ~8 T2 q - digitalWrite(2,1);
) U5 N% E" u; |1 N" F1 d3 G8 X - delay(300);
& B- S* T" v7 G - Serial.print(".");
' b% b8 Z# y8 M/ | - tryNum--;
6 [0 r# D9 N. Y/ ~* h2 D( n/ S$ W - if (tryNum == 0) {; a. _5 J) B, n9 Q- V
- // 1min! t* t8 H) p# Q& {
- // ESP.deepSleep(60e6);
/ j$ z+ b0 v& h4 Z* S, ~ - ESP.deepSleep(0);7 k* {# c* o# u! u8 P- I
- }, n3 A; f% j5 _ `- e
- }/ Z, A5 e/ l8 w* R n( g. o* ]
- Serial.print("\r\n");7 X5 B; l+ D3 G' N* j; J
- digitalWrite(2,1);
7 q& k; R6 { g4 n5 |/ h! @4 J# U) U - Serial.print("IP address : ");
8 O7 Q9 _2 l* D - Serial.println(WiFi.localIP());; B, `5 n" N2 R
- server.on("/", HTTP_GET, [](){
4 a5 T p0 c: V" O/ J3 K/ F3 } - server.sendHeader("Connection", "close");* ]0 d2 e- l3 } \5 E6 i
- server.send(200, "text/html", serverIndex);# o, [* y* w( o: n; H' z6 a; k
- });& f' {. U2 Y0 G$ Q, G+ L N
- server.on("/update", HTTP_POST, [](){
# s7 V e0 s2 m( T3 \& c - server.sendHeader("Connection", "close");
# G! A, ?) y: A% b& m) A - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");0 d6 g2 V2 v: r7 y
- ESP.restart();
- q" S# }( e( t! l: w ^6 ^0 G - },[](){
$ ^+ l& u$ P0 m) I, w$ Q - HTTPUpload& upload = server.upload();
1 d2 s; K; I3 {6 r- y' q4 l) N - if(upload.status == UPLOAD_FILE_START){% B) _; m9 x* s% N+ _7 k8 c9 \
- Serial.setDebugOutput(true);2 X& W+ i# {1 g+ {) ]* S0 E) e3 z
- Serial.printf("Update: %s\n", upload.filename.c_str()); |, V* g) Y* E. u
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
! ]. L. H3 ]4 r' A# v- L4 @ - if(!Update.begin(maxSketchSpace)){
5 E9 b3 Y! _! [. O - Update.printError(Serial);6 ?8 W+ f0 s3 \# x0 J
- }
% i2 @$ S, n/ P& W - } else if(upload.status == UPLOAD_FILE_WRITE){; `2 K! C. j' Y& Z1 r
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){- y+ g, P/ v9 |3 a+ J6 a
- Update.printError(Serial);. g1 d e1 J, W( w1 v
- }
6 x& k, h( \* {5 d5 j - } else if(upload.status == UPLOAD_FILE_END){
/ E, w3 J) m, h1 L$ S' ?7 t* W5 U% `4 q - if(Update.end(true)){; h1 t6 ]& @6 @3 a& }7 ^
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);6 U( ~" z7 C- K/ T- {0 o$ z
- } else {
) q5 e; @4 \5 w W% q- t - Update.printError(Serial);4 N7 {2 `6 N3 K7 B& l
- }3 A7 R4 L' B. i( _/ }' X5 _7 y
- Serial.setDebugOutput(false);) k: {! Q# h% N( C( q, f
- }
: `3 ~4 P# D# t4 A" c) ] - yield();- b# ^. M! U% M, a$ k5 U& W
- });
3 N( h- w8 q/ \, d) B. o1 U/ @ -
0 K, o0 R$ u7 H' B" s! u8 l! W; | - digitalWrite(2,0);! ]7 r. }+ L* M. \9 Z
- mainAction();1 j- i0 k* y1 a4 g" ~
- if (digitalRead(0)){4 a; Y/ K: G$ y
- ESP.deepSleep(0);5 [% H1 @: D( z; d" p* w1 Z6 L$ N
- } else {
) k: y. U% ~4 W' }: L - server.begin();, s+ R2 P! `8 w' I2 D, v0 p- v. a5 }* G; [
- }
( q' f/ m7 \+ X0 ~$ [6 _5 \- \ - }
]( ]* S0 x6 N$ V: G - void loop() {
' L3 Q+ ^: K% ?3 J t7 Q) ? - server.handleClient();$ E3 `2 G' C$ q
- delay(1);, [8 h- V+ W& I* P* g
- }
: {) J0 i$ ~8 k3 R0 S+ H* I - String doGet(String url){% G( p( e' t4 J+ u
- if ((WiFiMulti.run() == WL_CONNECTED)) {
5 |, C, s5 N/ A3 u- D( m3 y* J - HTTPClient http;: ?4 J7 H4 l2 }! K8 q# g
- Serial.println("[HTTP] begin...");2 d) g' t6 L& [
- if (url.startsWith("https")) {0 B. m+ c: _1 v7 C* ?4 j% }$ _ u
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");6 g1 k: k, y" R1 G
- } else {
; f4 q4 _ j# l5 [3 `, Z9 y3 s - http.begin(url);
/ G) F6 l' z8 u, y& q8 s% _$ ^9 y; W - }4 V, ?' Z# r6 ]* ^3 v
- Serial.println("[HTTP] GET...");
! M8 O9 A" j6 r - int httpCode = http.GET();- \% Z0 T5 P2 ~* M0 i v7 g$ N0 `
- if (httpCode > 0) {1 a6 z3 N) U$ H' i9 J
- Serial.printf("[HTTP] code: %d\n", httpCode);
: r6 X6 f8 F x( w: P9 m( w9 W) F - if (httpCode == HTTP_CODE_OK) {( M# R, _- Z6 B
- String payload = http.getString();$ U7 A( B$ T, m! d0 t* u
- Serial.println(payload);
' B W: S8 S9 @" B% h* E - Serial.print("\r\n");2 L% p+ K2 \( |4 A& @
- return payload;0 \9 l8 { _& I; ]5 t
- }5 \& M; A3 a( n" d7 T
- } else {5 z6 A- A+ j7 m8 M! A& n% A; E; h
- Serial.printf("[HTTP] GET... failed, error: %s\n",+ d, f0 c8 ^, m( I K
- http.errorToString(httpCode).c_str());& F2 C& T2 o) D1 K
- }
; }; @+ c1 Z2 u+ b& j - http.end();6 r5 P, ~( @# z! n1 D
- return "";
% B3 i1 r# b3 ~- p0 C - }
( ~9 W1 D9 D0 S5 e& A1 J9 [ - }
9 d9 k: s2 ]( ~4 K& d - void mainAction() {
: r. d8 T( N) H$ f% g) {7 e/ h! | - // 发送请求9 E# y3 o2 }4 l J' J, z/ h
- doGet("http://google.cn");/ ]" F- f1 y7 B$ t& { I I
- }
! M6 x( O. U/ _( P9 y' \* A }
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