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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)
9 d8 [3 D1 n4 n, ?, r- #include <ESP8266HTTPClient.h>& A7 u& `) h, n1 |
- #include <ESP8266WiFi.h>, _* G; K( F; X6 G2 {* w
- #include <ESP8266WiFiMulti.h>
5 e$ E4 I% u% }: a4 C* E/ \ - #include <ESP8266WebServer.h> G$ x/ Q9 Y, y( \3 [) i8 J6 D
- #include <arduino.h>
0 [& t4 U0 D5 {, y9 ]7 k - ESP8266WiFiMulti WiFiMulti;4 T5 ]9 k4 \! v* ?1 ^3 K( d+ c
- ESP8266WebServer server(80);
& Q$ E( C4 h. S - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
( n7 s% O3 W( d+ b" W ` - ADC_MODE(ADC_VCC);8 z! R6 \1 ^4 @+ Y2 v6 w& l
- void setup() {2 t8 }0 O$ _- \+ f( g5 f, D
- Serial.begin(115200);
8 a% w3 B8 O& V+ Q* v5 d7 m - Serial.print("\r\n\n");0 s+ i0 H8 E' d3 P/ K% J9 h: m
- pinMode(2,OUTPUT);' o* Z6 q* W- o4 E
- // WIFI
; x7 \6 ]: c4 L1 I. P - WiFi.mode(WIFI_STA);( c# |' N$ |/ n7 E) b
- WiFi.hostname("Sparkle");
1 \- Z1 U6 z: x M; C3 ^ - WiFiMulti.addAP("wifi ssid", "wifi password");- v; M6 s+ x5 g3 T4 k
- int tryNum = 15;; w7 w) {* E8 r( Y$ u) d
- Serial.print("Connect WiFi");
$ v4 c8 H$ C" K, W% R* W7 F3 J; z - while (WiFiMulti.run() != WL_CONNECTED) {: q, ` G1 o- r5 G- g1 o6 O$ |
- digitalWrite(2,0);6 ~7 ^+ ~* ]9 `6 @8 I" W, R7 u
- delay(200);
" F' ]% E6 x# Q7 G0 ^* k5 o - digitalWrite(2,1);+ `0 [9 l4 m# v7 D' q5 C6 x, W
- delay(300);
0 b" D1 W3 L- Z - Serial.print(".");3 I- I4 T8 D# e, {' d8 y
- tryNum--;9 C& h4 c; b7 _, o/ j( ?/ y
- if (tryNum == 0) {( e% h! B/ m4 F- \- ^. P
- // 1min# ?+ s4 X( E, z& _, P9 ?5 Z( G
- // ESP.deepSleep(60e6);
- F+ p$ b# r, y - ESP.deepSleep(0);
# }# j" n" z! L4 e- y. Y - }4 q, t) \" t; U. l4 [
- }
0 f; G, s/ U) I% ]) S" B5 e3 _- n* ]! c - Serial.print("\r\n");4 C# {! |8 j# G- N v6 S
- digitalWrite(2,1);7 w) _: W5 _& U5 v5 V
- Serial.print("IP address : ");
: Z e( V' f4 ?; ]( M# ?& e - Serial.println(WiFi.localIP());
- E5 w. f0 H, J - server.on("/", HTTP_GET, [](){$ W$ k. V. \( }: B% [
- server.sendHeader("Connection", "close");
0 V3 k; L2 ], t2 S5 E( k# o4 W - server.send(200, "text/html", serverIndex);( a+ m+ p$ D& O# A" {" _4 M
- });
4 P, k+ r5 [- C* x8 ~1 ~ - server.on("/update", HTTP_POST, [](){
; h0 h, b8 b: j3 o4 L. f( d' \( i2 s - server.sendHeader("Connection", "close");5 |8 P7 p r+ _; q1 }& J3 X
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");; ?+ l/ z6 C" ]( _
- ESP.restart(); t3 L& ^- I( h6 R" u9 q: h
- },[](){
. l0 Z2 m! d8 { - HTTPUpload& upload = server.upload();4 K% p) A& N7 \1 i' w& S: s
- if(upload.status == UPLOAD_FILE_START){5 i: [" G4 o( N% c+ f2 f
- Serial.setDebugOutput(true);
1 z$ n6 T5 p, R7 e" x& j( ^ - Serial.printf("Update: %s\n", upload.filename.c_str());$ A: x( P- k& N
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
. V3 u1 ? e9 ?" T" ^5 |3 E X - if(!Update.begin(maxSketchSpace)){' h$ p3 y" N, n Z, S% F
- Update.printError(Serial);2 V \4 L, I D( t' A
- }
& {/ E9 a$ L, p# L - } else if(upload.status == UPLOAD_FILE_WRITE){0 b% V2 G, Q, }; P1 t1 E! `
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
+ L9 k' W8 C/ n- ]# a* I, `3 N - Update.printError(Serial); U: p3 L, D2 x- [0 g
- }& T* [1 U0 O8 v4 }7 X/ r2 Q1 V& l# l
- } else if(upload.status == UPLOAD_FILE_END){
4 Z" O! {9 D+ U - if(Update.end(true)){
* k7 l, X/ j$ e- z! r" t$ T0 S j3 {( h% D" v - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
/ n5 M# C6 N; S8 \/ d& O2 B$ G - } else {$ u8 ^6 K: [4 j$ M
- Update.printError(Serial);
; U) K! |# o# d - }
4 P. q9 s4 O2 Q/ X. k: y5 g - Serial.setDebugOutput(false);
4 @8 D* U/ {" u* ] P( d - }6 J& B! _& H3 L6 v% I) [% c
- yield();0 L2 `4 n8 C. K" T
- });" X( z) X8 k% C _- U. e
- ! {; W" S3 v9 ~5 O5 ?; T) V6 w
- digitalWrite(2,0);
3 O4 X D' k/ z- ^- O6 o) u - mainAction();
0 x7 B( X7 d$ h8 M3 Y3 U - if (digitalRead(0)){- p6 G' P) D6 S
- ESP.deepSleep(0);& x) b; ?6 Z1 X0 f1 L
- } else {' g, L5 p: P) I$ q) A1 Z# X; {/ x
- server.begin();
) N- r2 D4 ~) k# R2 J- c H - }
3 M7 w( N% P* Q& X9 N7 L6 L( R" T - }
4 I* `7 p2 k- [4 K* D6 T - void loop() {* z; z) m9 D+ w9 @
- server.handleClient();
$ k$ J; f$ n4 `2 v# h; @: ` - delay(1);, [: X* h9 I7 [* f- {% ~
- }5 P3 a- P# R0 Q8 T3 D) e0 Y: K
- String doGet(String url){& z' n: b! R/ P4 C1 m
- if ((WiFiMulti.run() == WL_CONNECTED)) {
, U' O) C. f6 G, b0 S9 F - HTTPClient http;
2 ?4 G i. G* P8 h; N! { - Serial.println("[HTTP] begin...");( g0 p7 ^+ _/ O" ~4 q7 O
- if (url.startsWith("https")) {! P: E% g7 c, d5 c4 t# F0 a3 n9 H# v/ T% e
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
. G% |5 d8 k4 S' A% V* ^ - } else {
& k9 D: F; d& T1 q* x7 F) z% E - http.begin(url);# Y9 C( `) `. X8 a
- }# `% v1 T! ~; y
- Serial.println("[HTTP] GET...");
' f; v# g3 F" Q+ R6 T - int httpCode = http.GET();3 g6 S0 w9 M* m$ m7 ^2 h
- if (httpCode > 0) {7 m' R9 l9 U: p7 @3 G
- Serial.printf("[HTTP] code: %d\n", httpCode);2 ?' M, u) R2 X4 W; c1 D- x2 q1 Q
- if (httpCode == HTTP_CODE_OK) {3 N4 O1 f, F8 {5 b* Q6 S
- String payload = http.getString();
9 D6 Y M; a# w- q6 y - Serial.println(payload);$ I5 @* _% O; Z& j
- Serial.print("\r\n");
; {3 G" J9 _; L0 p9 } - return payload;
6 Z x% k8 e4 E: D0 g - }/ y5 t, L/ d& l: Y2 |8 `
- } else {, R" u+ {4 G0 J$ Y& \
- Serial.printf("[HTTP] GET... failed, error: %s\n",1 F6 D+ O3 h0 ?! G/ g
- http.errorToString(httpCode).c_str());- a) T, o8 ~7 x" P" w/ K- Y
- }0 V$ A, d# h9 w* l9 s
- http.end();7 W* h1 F( d. g/ v( g2 n& d/ L
- return "";
3 g: a# w. W* ]7 \+ c6 e5 I - }. h/ A) M, }' q7 X
- }7 ~: I) h) O; X* C6 V( P6 g
- void mainAction() {
% D4 H0 [0 R, U4 ^ - // 发送请求' H' p ^% c. _, V. H$ p! ?3 p
- doGet("http://google.cn");
2 ^5 g& p, h# U, d - }
3 @1 J; e) e& q N: ]' u9 ]
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