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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)
3 }1 o9 ~; k2 |5 @$ B& f- |- #include <ESP8266HTTPClient.h>' D6 Y. v8 q' q/ A9 W
- #include <ESP8266WiFi.h>2 n: Q' @" i! q2 `
- #include <ESP8266WiFiMulti.h>3 m- t+ V9 j, X K! H: W
- #include <ESP8266WebServer.h>% Q" R# H) H# U0 l2 ^
- #include <arduino.h>
6 Z' t8 I" W" {* K, O - ESP8266WiFiMulti WiFiMulti;4 Z! O6 P# g! y
- ESP8266WebServer server(80);
6 f6 Y# D3 v7 p# v1 [ l8 X$ x/ M - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
+ i9 d* u+ H, ^" h! u/ z - ADC_MODE(ADC_VCC);6 h+ K% y6 g5 b2 ~& d4 p! i5 A
- void setup() {
3 Q' ?8 w+ P: c: w - Serial.begin(115200);
7 O4 `" o; G* r3 P& [ - Serial.print("\r\n\n");
+ f- \6 W$ b- p& v, w2 M - pinMode(2,OUTPUT);" g2 Z1 b2 E1 Q7 k b
- // WIFI
; w: w e# P4 E$ N$ A - WiFi.mode(WIFI_STA);
$ H& L" t6 _3 D' A( A) F; [6 l - WiFi.hostname("Sparkle");
% ^ I9 y5 m: r7 }8 [. y0 t - WiFiMulti.addAP("wifi ssid", "wifi password");, g" ]2 \$ |0 k: `. _1 s
- int tryNum = 15;
) ?1 g# R# f: |1 O: @) ?% L - Serial.print("Connect WiFi");
+ e' K, S& O2 x. I m/ V) p# k+ L - while (WiFiMulti.run() != WL_CONNECTED) {" Q' B- G: b' `- r" L. }
- digitalWrite(2,0);
|# g% r/ |8 x4 c! V' @0 e - delay(200);
# h) D8 ?" ]( v9 _6 F! q - digitalWrite(2,1);
: M) g6 a5 a( A( n8 }: A - delay(300);& A7 d# P9 u* c
- Serial.print(".");" a: r0 x, {9 Z! }2 R/ E
- tryNum--;
2 e `5 v ]! O4 r& D5 @ - if (tryNum == 0) {
, o t( D0 T0 p: ]% s6 }4 Q2 Y: D6 {: Z6 S - // 1min# l1 }! M: G6 `4 B% \
- // ESP.deepSleep(60e6);/ c; P2 e1 c q6 C) |
- ESP.deepSleep(0);
8 h- F- a" l) |1 B - }% _. g, {8 L) g) f$ R: \3 ], c
- }
" R U$ w: ^0 O1 A, Q6 ?3 q% B - Serial.print("\r\n");
3 W' e! Z7 `) L4 z# g3 E - digitalWrite(2,1);
: l* ^( Q; X9 \' A4 ?+ f3 A - Serial.print("IP address : ");% H, V8 n- J' g8 V( o7 [' D
- Serial.println(WiFi.localIP());! |, U P, ~1 k4 q+ r
- server.on("/", HTTP_GET, [](){; Q* S5 {3 o# Y" O8 X. K
- server.sendHeader("Connection", "close");0 N7 b) | I- j! {: z
- server.send(200, "text/html", serverIndex);
( E! Q; w- b$ K) {* e+ z - });. c1 j( W# O/ d* l
- server.on("/update", HTTP_POST, [](){
! x ^ ?! e$ K4 H6 ~* B9 y ? - server.sendHeader("Connection", "close");
! B* i% s3 e1 {' o* t, q. s8 N - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");$ L) ^8 l7 p5 V) T5 q: y/ Z8 h x; O
- ESP.restart();$ Y) q6 c" E9 R( @7 N
- },[](){0 }, j/ @( c% h( g/ @ e' a4 [! [
- HTTPUpload& upload = server.upload();) b9 x. |1 Q5 ^4 p% \( v& ]% r
- if(upload.status == UPLOAD_FILE_START){. k: Y0 o& \% g% A" e) e. i. M
- Serial.setDebugOutput(true);4 ~- P& v2 f" E/ Y3 S
- Serial.printf("Update: %s\n", upload.filename.c_str());
' _2 n5 c* G6 g4 _$ C - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;" {% V0 C# r& b) l9 J6 T
- if(!Update.begin(maxSketchSpace)){
' }* L5 C; I) A5 ^) _% L* }2 h - Update.printError(Serial);% K# W6 \ z6 i2 C/ s( a ?
- }2 A9 B. F; j8 s5 c; e
- } else if(upload.status == UPLOAD_FILE_WRITE){ O( Q2 O, t! q4 b" v4 B' S
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){8 F) Y' B; ~# g: c! ~& X
- Update.printError(Serial);/ i4 X# H/ C4 ]" t
- }
7 S% {) z* ^* t$ o; n( _$ L7 o - } else if(upload.status == UPLOAD_FILE_END){
0 K) M1 Y" ?7 l- @5 \. m - if(Update.end(true)){
y1 \' M5 {1 W- q+ k$ | - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);1 M9 x- i5 c+ L* N3 Z
- } else {
$ F. z6 V6 J& b% M8 `; z- d - Update.printError(Serial);' i# N S. t8 @1 O4 `9 `
- }
+ U8 N0 M: j O! _" z0 x - Serial.setDebugOutput(false);
) ?7 q Z3 U9 S# ^- C, P6 g - }
% H' X" ^, m' w# u - yield();1 ?8 {" }9 H$ ], p8 T7 H# U) B
- });- Q" b ?- ^* ?& D3 |( p2 }
-
. P# g) b% f8 q/ Y& `- ]. | - digitalWrite(2,0);
9 L. N' w& b b" C P- u - mainAction();
% G+ V* {9 w& N - if (digitalRead(0)){
# |1 m/ a7 T( e# R - ESP.deepSleep(0);% S' f o! T1 b) Z! H
- } else {0 D: z! m5 F4 T' I B+ A
- server.begin();
4 Y! w' V& b1 ]3 C5 g - }
9 a" V' J$ Z( \) d - }
; s0 A4 p' g! `+ k- c6 Q - void loop() {; ^4 t( s9 K, j* X6 c8 g
- server.handleClient();$ P2 w' L/ D2 Y8 h9 w* S
- delay(1);/ s; ?1 h5 {4 Y0 G8 t5 @3 Z
- }2 X1 J ?3 b- {$ I4 h
- String doGet(String url){3 n$ S! I. @. V; @2 g% G- r
- if ((WiFiMulti.run() == WL_CONNECTED)) {
0 M- k* `$ Y$ E5 J& A1 ` - HTTPClient http;
% x! p6 u1 r" { - Serial.println("[HTTP] begin...");5 z7 j" f/ d8 p
- if (url.startsWith("https")) {$ }& Z/ T! Q; h4 G& P
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
5 S9 i' p8 p! e# N6 n/ b+ d - } else {
+ w# p% F, V6 N& W. _. e - http.begin(url);9 Y" V8 W g9 W3 Y( v! T
- }' M2 ?/ w) A: f9 T& ~
- Serial.println("[HTTP] GET...");. I1 l4 V2 e5 j; C* V4 s
- int httpCode = http.GET();
3 x% V2 E$ Q- z# h3 Y3 U* E! K - if (httpCode > 0) {/ L2 W; E0 V F. }
- Serial.printf("[HTTP] code: %d\n", httpCode);$ j2 |2 U) |- ~. A A) i
- if (httpCode == HTTP_CODE_OK) {! O0 ^8 k @" I4 `3 D* G& V4 ]
- String payload = http.getString();
5 |3 ^. W% p6 r; M. S - Serial.println(payload);/ Y* O0 V! o2 C
- Serial.print("\r\n");0 F' i( Q6 ~. l6 i7 }0 F* F Z
- return payload;
/ M# U$ {0 T* Z6 Q# c - }7 K, l7 t0 U# r
- } else {8 ?2 ]8 ]: c( {
- Serial.printf("[HTTP] GET... failed, error: %s\n",. \5 D& b5 n; V$ a
- http.errorToString(httpCode).c_str());" [1 T& X6 ~' x" a5 w6 f: i
- }
# I& f1 G$ p6 K- R - http.end();/ U R$ y7 ^% }
- return "";! M. ^+ j# M$ ^9 C" g
- }
; Y& ]/ i" [6 [2 t1 Y1 p/ x8 D3 W - }
9 |5 o) A; r, H, H3 b - void mainAction() {" L( A7 n$ k1 P% G
- // 发送请求
3 q: }: @4 E/ r! J6 @ - doGet("http://google.cn");
5 R& I+ Q) c4 g( T# C! R0 g - }
% k2 W$ ]9 b; d$ y, o) J
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