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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)( J# q6 ^ m: ?8 @' D% p
- #include <ESP8266HTTPClient.h>) ?0 D6 ^3 ^& W0 |) Y) H4 f
- #include <ESP8266WiFi.h>5 w- P- o' b) |. S3 R( u1 u& E n
- #include <ESP8266WiFiMulti.h>4 @2 g7 L) b7 |/ g9 s
- #include <ESP8266WebServer.h>
: T9 x* Q5 M: \ - #include <arduino.h>
+ r, K4 M! v# H3 m e6 c; l - ESP8266WiFiMulti WiFiMulti;
: V( S2 r! c5 H; }1 \' L- } - ESP8266WebServer server(80);0 l4 `% N. m1 L
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";5 _+ d) p& ?6 J) a% U
- ADC_MODE(ADC_VCC);
0 d- T+ I/ x7 L5 |6 B: s - void setup() {3 K7 {; L9 i3 i) e' v# ?
- Serial.begin(115200);7 r& P3 o- p, j, u' }
- Serial.print("\r\n\n");1 }) |/ u' A% W! a
- pinMode(2,OUTPUT);
3 _+ t+ }" u: T( n1 d8 u3 Y - // WIFI
3 [( s, e; \. X6 ~' m - WiFi.mode(WIFI_STA);' N9 }* x) J f$ b
- WiFi.hostname("Sparkle");4 j: L8 J8 d8 w
- WiFiMulti.addAP("wifi ssid", "wifi password");
" X5 t5 P! h0 _" P: T X - int tryNum = 15;& m8 L0 ~% O' y, N! q
- Serial.print("Connect WiFi");& g' p) l, i+ w
- while (WiFiMulti.run() != WL_CONNECTED) {+ z) i2 F2 g) Y; k/ n0 z7 ~2 M
- digitalWrite(2,0);% B/ ^1 l& W3 b$ v3 v: \' d3 t
- delay(200);
+ U, L% D6 d: _" }/ Y - digitalWrite(2,1);
: ?0 K7 v1 l; S9 { - delay(300);( ?$ R6 r$ _7 V! U/ V
- Serial.print(".");
7 Q6 h0 V1 K2 ^ - tryNum--; W. p$ S8 p, i L7 r
- if (tryNum == 0) {
2 t& S+ r( r T3 ?; H( O - // 1min" j; H; F) ~2 y( F* T4 s! w6 |
- // ESP.deepSleep(60e6);- S) \5 `# R% P) d
- ESP.deepSleep(0);
. G' S, R0 p# i0 w4 q% f/ F! c - }
2 } M2 ^& l# i( M! K. x# }; A - }3 T, q' j6 J1 e* W: c4 U! e: m" q
- Serial.print("\r\n");
: x. a# V' E8 c% |' H. | - digitalWrite(2,1); P" V& I% E9 O3 K
- Serial.print("IP address : ");
3 l8 A7 F, q% v - Serial.println(WiFi.localIP());
) S _8 R* \2 w, L - server.on("/", HTTP_GET, [](){
; v9 F# ]* `. y. v2 I# S3 u - server.sendHeader("Connection", "close");
* o$ _; U. F$ j2 H( l* ? - server.send(200, "text/html", serverIndex);
4 r+ h6 O' k- u3 r - });
0 Z) e6 W0 o8 O$ | - server.on("/update", HTTP_POST, [](){9 L; s1 x% L1 G
- server.sendHeader("Connection", "close");
. @6 U K; e: Y! t9 L - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");+ u) x/ a8 ]3 J; x( Z: T
- ESP.restart();
6 ~% R( {. i& f9 S - },[](){$ ~& y& ^3 M9 i. h
- HTTPUpload& upload = server.upload();- N3 r$ r7 I/ ^4 C# p
- if(upload.status == UPLOAD_FILE_START){
6 @2 F( k* s Y! {: ~ - Serial.setDebugOutput(true);
) }. U9 W3 r1 e# v* c% W - Serial.printf("Update: %s\n", upload.filename.c_str());# ]8 T$ d/ T* X, r9 a2 b7 K6 T
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
8 h" ~$ R; J1 y - if(!Update.begin(maxSketchSpace)){
2 o/ x, `6 r) R9 g, q! z! U - Update.printError(Serial);
, [9 L" q1 r& C/ v# w- o% c0 r3 | - } t5 w" ]/ a5 `) j0 c. R8 c7 [- z: i
- } else if(upload.status == UPLOAD_FILE_WRITE){+ Y+ v+ K8 ^$ a! _# k8 }# Z1 i
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){6 q2 @. X1 h9 p2 q0 t+ r- B+ T$ a# v
- Update.printError(Serial);
* v* ?/ h0 M9 L7 g - }
5 ]' T8 U8 U7 G& |. d% u - } else if(upload.status == UPLOAD_FILE_END){
3 r$ ?; B4 }( Y% q - if(Update.end(true)){' {0 e4 S9 Y, V) q) m
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);* h4 v2 q. g' `0 O% B
- } else {& I7 y4 Y. i- A% x4 t9 q
- Update.printError(Serial);
- s& C5 w( f- z4 i; @1 ]) @8 ~) y - }
9 k8 D* g5 A( H8 V - Serial.setDebugOutput(false);6 j3 ~6 s4 d1 f1 v4 f6 q
- }
5 v3 v. |: }; Q4 [) N! {$ s, A - yield();
+ a+ R6 N i5 B - });
: {: E: P0 J( I; l( F3 m -
5 |4 T, Z0 M9 J* C/ O - digitalWrite(2,0);: _2 V% F! }$ Z8 c0 X8 c
- mainAction();1 E' K: H1 b# d9 @
- if (digitalRead(0)){! g, e, a5 m3 _$ S: m# s( A
- ESP.deepSleep(0);* k' F3 Q" [) ?. X& h
- } else {
: d( a$ F! O5 o. \* E - server.begin();, t9 M: ~. P4 D y2 x/ s: Z: \
- }( K, Q: [# R. h
- }
# H. V/ |: r, c - void loop() {/ A* q$ R: x; M( n- z( f- D9 p" G
- server.handleClient();# c" d6 j7 m$ X. r( X. s
- delay(1);: p3 h- W! p% h- K/ [; c
- }
7 s& z+ t' D( c3 n( D; } - String doGet(String url){
1 Z! k- U7 Y* C, j, m, c4 I - if ((WiFiMulti.run() == WL_CONNECTED)) {* f! j; D6 ~" M7 M0 Q8 w/ J" O
- HTTPClient http;
* v$ z: D& C3 y6 \' Y - Serial.println("[HTTP] begin...");2 b9 J9 \$ K X4 X$ q& V
- if (url.startsWith("https")) {
& H) j. x/ n# {) S. O4 B - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");7 x+ `( `7 |/ N8 H; p" Y
- } else {
+ o8 ^- ^% ?" Q& h* e/ N - http.begin(url);
7 d. E7 i8 h( L8 D - }0 ?8 f- T4 {6 ?/ U
- Serial.println("[HTTP] GET...");. R5 ^* _ p. N/ I# s% q4 f
- int httpCode = http.GET();
$ T1 x; C0 r8 c- i - if (httpCode > 0) {* R5 w- u$ m# d8 }( d
- Serial.printf("[HTTP] code: %d\n", httpCode);2 L' Q6 Y& A% w8 X' B% t6 ^
- if (httpCode == HTTP_CODE_OK) {
1 y7 s) _9 k) Q - String payload = http.getString();8 A/ h( c, T$ Z" Q2 O6 e2 n$ ^
- Serial.println(payload);
* d, k9 P4 C: D4 z2 s5 S9 o - Serial.print("\r\n");6 F; {( K( P2 t8 i
- return payload;
1 C# I, v+ q! b! G8 K - }- \7 j4 {- J e5 R2 g* e
- } else {( i: `) O% W+ \6 ]+ a q1 R
- Serial.printf("[HTTP] GET... failed, error: %s\n",+ c1 T- ~1 p/ S$ }7 h4 L+ H
- http.errorToString(httpCode).c_str());
/ i) }# ?2 K! \- M - }
- n* G3 J4 |% i1 m - http.end();: \. z0 W3 Y+ g1 r7 j
- return "";
8 ]3 S- a( ~: i7 N; S$ x4 i) G - }
. }, {$ p+ X6 e% n - }4 w! T- E0 O) x0 S7 E% o1 ~
- void mainAction() {% r" }; U" I* ~, f7 J* u, `) t$ P
- // 发送请求
j) ~9 D' M! \% L- C q( J - doGet("http://google.cn");
$ `- F" j9 X2 y/ v( d - }# \; Y( @' ~0 w
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