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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)
$ k1 ~; v/ C0 A- #include <ESP8266HTTPClient.h>
9 z2 F! |8 x' [6 u8 ^* Z - #include <ESP8266WiFi.h>
! _. x( T$ w6 z# c% F - #include <ESP8266WiFiMulti.h>" F3 I+ u. d% w# S( G1 \
- #include <ESP8266WebServer.h>
0 Z' O0 [0 @2 [5 w! y. J3 G5 \' f - #include <arduino.h>
: U* w7 I9 ?/ a x4 G, N, T - ESP8266WiFiMulti WiFiMulti;
" S7 p2 E2 a3 r+ m8 q - ESP8266WebServer server(80); I" x* X: k; D- X& @$ U3 W! R
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";' i$ W; U1 ]9 z" f! U
- ADC_MODE(ADC_VCC);. S, m% T' M2 s3 k) S4 j9 s. m/ \) L
- void setup() {, I1 T* T& }# r9 f) W
- Serial.begin(115200);
& r) M* Z8 z* l0 y. u8 H - Serial.print("\r\n\n");) J. W( q8 G" f% Q6 @* s
- pinMode(2,OUTPUT);
$ j' E1 r2 O- F9 p% F - // WIFI8 F3 J) `; j. K Y' E) p Q
- WiFi.mode(WIFI_STA);
( c1 E9 R4 m% m+ \& M* I9 K - WiFi.hostname("Sparkle");. H0 Z# _* B$ R$ ]( E6 R' x7 D: H
- WiFiMulti.addAP("wifi ssid", "wifi password");
5 o/ x0 V0 p' K - int tryNum = 15;
3 ~$ v7 P6 G8 ?2 y4 b- b4 E - Serial.print("Connect WiFi");
) A# r& G" q8 E. k6 m3 M - while (WiFiMulti.run() != WL_CONNECTED) {
) E+ V1 |' f S2 X - digitalWrite(2,0);8 ~: c: K) h x- _4 c' q4 S
- delay(200);
( ~1 s, ^ p. M# k, x - digitalWrite(2,1);1 {) ?* m) R0 k# j: L# {8 R
- delay(300);* E, V& `2 s6 { E" x. _% Q
- Serial.print(".");
& N' e5 A. t0 T( Z3 v9 m - tryNum--;" ~$ `% z$ G! k! [
- if (tryNum == 0) {
5 F; a% q. v( a$ `! S3 Q - // 1min6 ?7 p7 ]0 q: i3 [6 Z
- // ESP.deepSleep(60e6);/ W. I) t$ R) u7 f
- ESP.deepSleep(0);$ Z" h2 R5 K5 p2 q, ?1 j
- }
$ S8 ^6 k' \# Y" Y/ e/ p5 S$ G - }
/ b3 r$ {2 C7 d - Serial.print("\r\n");
a& {# u; c0 h4 g& s& U - digitalWrite(2,1);: r0 {6 u$ v& U$ `9 [! A
- Serial.print("IP address : ");1 D. J9 m( E, M1 J! G
- Serial.println(WiFi.localIP());
! ~5 L( X& u8 g9 F+ R1 i - server.on("/", HTTP_GET, [](){
4 R0 t# y& |/ f/ e5 ? - server.sendHeader("Connection", "close");; {" R. O2 k4 Q% m @
- server.send(200, "text/html", serverIndex);- q' J4 D7 r, j* ^! i
- });0 _( B1 K3 z+ m) E4 J) H) A
- server.on("/update", HTTP_POST, [](){3 o4 B) J) R, J) I9 h
- server.sendHeader("Connection", "close");
, k, q# A0 p, e" D7 X# N! _ - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
: h0 T' u, C6 V8 L8 S# Q d - ESP.restart();
, W7 I2 ]# O4 O; f2 Y- Q6 _6 i1 [ - },[](){
) n: O9 |! B; c7 P) g# v0 H, ~7 a - HTTPUpload& upload = server.upload();( A7 A2 I, G* ?6 N
- if(upload.status == UPLOAD_FILE_START){% v% G9 n4 ^8 I
- Serial.setDebugOutput(true);9 R0 h' M) N7 l. h# t! s! v
- Serial.printf("Update: %s\n", upload.filename.c_str());$ y7 u1 o* W* a! A& f7 G+ O+ a
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
" s# E- K# z+ ~! N! {, C - if(!Update.begin(maxSketchSpace)){- S( G' Y- ~" l# F( P6 U9 y4 I
- Update.printError(Serial);: h* Z/ @7 B4 o& S$ [! m: `( h9 G5 _
- }. q5 E) i6 ~8 v+ }% Q! t# k1 k
- } else if(upload.status == UPLOAD_FILE_WRITE){
; B( a( C, a* x - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){3 \. l/ X9 Z5 b( @6 b
- Update.printError(Serial);
* ]+ L4 [3 ~, k4 D6 e1 n - }4 a( I' O6 b P
- } else if(upload.status == UPLOAD_FILE_END){5 E3 A8 D3 k, k( Y" y( A
- if(Update.end(true)){
9 _' G, t, U t) B& E! E - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
! O3 b- [* @4 ` - } else {( g: ]8 A. ?0 W Z% B& I
- Update.printError(Serial);7 ]# Z P7 Q& p4 Q/ N
- }
# Z3 ]+ F$ {! k/ W* m! K# o# e - Serial.setDebugOutput(false);
" e5 S2 P5 X2 L! T - }( v8 L- ?* @9 I; ]5 T/ d
- yield();' A4 V5 D! f% _5 v
- });
' Z7 G1 }5 [/ e1 w. s' m3 B -
1 u# D. n x0 l0 Z# A% f, | - digitalWrite(2,0);
6 _% j8 G' K. W9 ?+ p9 G, b% f - mainAction();# T' F* d7 `3 e+ x7 ?
- if (digitalRead(0)){
( r2 I- G1 _9 y - ESP.deepSleep(0);6 k& H8 M% k" P$ ^) i, y$ I
- } else {9 T. l- g$ r8 x' C6 E6 w, ]4 o
- server.begin();
; @9 b6 @) a% p+ r& X( s- e& S: P - }4 f6 e W/ `8 G5 i( u. t. J
- }' K7 R6 A! ^7 J1 m& N
- void loop() {) x5 Y6 m; z2 d6 g Z9 o
- server.handleClient();7 U3 S+ w1 n {, Q9 E0 [, a4 v. g3 J7 D
- delay(1);, z0 F1 i( `! g8 m9 d
- }" u5 L2 k1 |7 n6 J, Z$ [
- String doGet(String url){1 H0 v! I" ^. @) t+ E0 [7 b
- if ((WiFiMulti.run() == WL_CONNECTED)) {5 Z& G2 R$ k! f, n& Z
- HTTPClient http;9 V0 J8 S3 e/ P* Z4 @) w
- Serial.println("[HTTP] begin...");$ E' u/ u5 d( l/ E5 m) v
- if (url.startsWith("https")) {! }% L! x$ Y/ ] I/ [: K) B
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");9 d L8 {" M- E9 }$ d8 r& s. b
- } else {$ \( r, P! j* v* V. o( b8 K
- http.begin(url);7 O' Y1 Y4 E; b9 y
- }$ d/ |9 E- t) H: X1 |3 p, j
- Serial.println("[HTTP] GET...");
, P3 h C* Q8 ] Z( [ - int httpCode = http.GET();2 V+ z) N& ]" s; y% Z7 B7 M
- if (httpCode > 0) {, w8 v9 [6 U% q: @$ }$ c, q3 l
- Serial.printf("[HTTP] code: %d\n", httpCode);' {$ c# m' c# S; X# @& T' d
- if (httpCode == HTTP_CODE_OK) {5 M0 d8 a5 F. B6 T2 d# k* i* L
- String payload = http.getString();
, X, p; t$ `; t - Serial.println(payload);
9 H; v J- C/ ]' t- }% C/ Y: U - Serial.print("\r\n");; i9 f# z9 x- ^8 s q0 t0 `$ K, T
- return payload;+ P4 l5 F) \, t: e5 T
- }
7 u' J. e! R) A" x& d" r1 q$ [ - } else {0 w- Q6 s7 x& a- m: e4 @
- Serial.printf("[HTTP] GET... failed, error: %s\n",6 ~6 S3 t9 a% l: a: I
- http.errorToString(httpCode).c_str());/ ?4 B& V& i: i: ?4 r% x
- }
; S0 H f6 s" q - http.end();
. H6 U; K, E8 l; A0 } - return "";
+ [- g2 O! s& G- `( D - }
5 B% p3 Y' o1 i, D6 m5 G. O - }
0 C! _7 X) p6 j: O& V - void mainAction() {
' k5 o6 u" q" } - // 发送请求
% I+ ?2 r9 Z* x6 w; V; }9 n - doGet("http://google.cn");$ y0 } C2 B2 K1 C) h* D
- }
) I( z$ N- S- \
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