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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)6 C: I) f- M {" z
- #include <ESP8266HTTPClient.h>2 l$ f# f; |9 l4 w
- #include <ESP8266WiFi.h>* ~1 [) L; y6 D7 O$ a
- #include <ESP8266WiFiMulti.h>; }, ~0 w: c! S. F% L+ \' j
- #include <ESP8266WebServer.h>4 c# |9 v" N3 l" ]6 _8 u
- #include <arduino.h>
7 Y% J3 U9 T8 C2 b" c7 E - ESP8266WiFiMulti WiFiMulti;
# ^' w0 S! v& |" _0 k2 f, H - ESP8266WebServer server(80);& U: W& ]; ]+ Z1 N
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";0 [% W5 a6 S4 z
- ADC_MODE(ADC_VCC);9 j, [9 U9 q ]. Y+ n5 E8 y
- void setup() {
. n8 `4 l- c: N4 N# O G4 v E - Serial.begin(115200);# j& N$ [, X5 |5 `" Y; P( p
- Serial.print("\r\n\n");- W! d+ \; ?7 u: t
- pinMode(2,OUTPUT);
& f& U1 u; P3 ]2 i9 j1 ^# I2 x3 S$ k - // WIFI+ l( q' k- A# o E/ ~
- WiFi.mode(WIFI_STA);
$ e& h% J1 l# s* G - WiFi.hostname("Sparkle");1 `3 R: j3 f% A( k8 S: i+ W
- WiFiMulti.addAP("wifi ssid", "wifi password");
8 K2 A3 I, N& J% {* S" p6 l6 E% r - int tryNum = 15;
; R, L6 u1 ~$ ^- s9 U/ b+ a - Serial.print("Connect WiFi");
: h# X/ v4 B: M, M: V5 k - while (WiFiMulti.run() != WL_CONNECTED) {/ W \+ n9 }9 ^* P" ]
- digitalWrite(2,0);
) T) Z9 X) q4 G! l - delay(200);
0 J8 B, H* Q% e w! d - digitalWrite(2,1);: Q3 |+ Z3 x2 s& d
- delay(300);
1 L) d% @' j7 m o# V0 r - Serial.print(".");, O2 `! Z: O% o1 u1 Q$ b& @
- tryNum--;
/ C) H3 I. v, T - if (tryNum == 0) {
9 Z# y( Y# Y1 G4 P$ L# \2 A - // 1min5 u T5 w, o* t6 Z+ o- I0 ~# M
- // ESP.deepSleep(60e6);
) w3 v, M" q+ d& N& }1 a - ESP.deepSleep(0);
' d1 A6 o& N& ~6 Q' a5 f/ | - }
; X! ^ D- h' }( y) @/ r" W& E1 n - }4 I, m/ u3 l8 y, J2 G
- Serial.print("\r\n");
$ }2 Q! z0 C! c9 S - digitalWrite(2,1);) ]. _$ M B" u$ P9 @" _- \
- Serial.print("IP address : ");
i6 J4 w% c1 E- s/ @ - Serial.println(WiFi.localIP());
& l% \' X" q! S9 G - server.on("/", HTTP_GET, [](){
4 C% K) Y1 V# l - server.sendHeader("Connection", "close");
" d- b4 n3 |/ L1 R0 i. c% s7 A' O - server.send(200, "text/html", serverIndex);( S& a1 s9 _0 j8 v0 n* h; ?
- });8 p) E: a, w2 b
- server.on("/update", HTTP_POST, [](){
9 H, @# W ^9 `0 U - server.sendHeader("Connection", "close");
8 h8 N L0 \& q+ T - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");8 m5 _# x0 f+ g
- ESP.restart();3 ]; m+ @! J) [# M
- },[](){3 V! _8 [4 l8 P0 l
- HTTPUpload& upload = server.upload();
! d* B# [. r2 W' x& |& } - if(upload.status == UPLOAD_FILE_START){
u" L3 r$ V2 {: Y' N) } - Serial.setDebugOutput(true);
' S# A) e8 k; X) X3 T - Serial.printf("Update: %s\n", upload.filename.c_str());1 W9 k/ J2 T' o7 H- R2 j; G
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
5 F6 Q+ h3 U; W) a - if(!Update.begin(maxSketchSpace)){
5 e, [* B% w) t- C A6 j1 K - Update.printError(Serial);
* P' P/ r1 s0 Y H0 E - }1 a" ]/ z9 w4 W7 o1 _) A0 A
- } else if(upload.status == UPLOAD_FILE_WRITE){* T5 t3 M" v2 \$ s
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){9 |; Z7 w& l; |( P5 u
- Update.printError(Serial);
" R3 y2 F, ^5 c8 H: i, I - }
8 Y; Z* i# k# Q7 B' Q - } else if(upload.status == UPLOAD_FILE_END){. X2 l4 k/ T, ^, P" ~8 H
- if(Update.end(true)){
! i e# l! y- H) h7 E1 Z - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
3 ]/ s* Z! y6 K! X# y; a - } else {) d6 c3 n0 I" h8 N1 D
- Update.printError(Serial);+ R& U3 t W' h' H
- }
5 H- {* n7 G/ D/ w) {0 P - Serial.setDebugOutput(false);
3 u4 b8 P3 { y) H$ L8 i - }
. V8 ?# V2 l% O& \ - yield();3 ~; U' O" s$ u1 B7 A& T8 C5 W
- });
; G. b: `8 _6 [& ~' R - - U' ?4 @2 G4 U# B
- digitalWrite(2,0);
/ q; q# N# t, R- Z - mainAction();7 u! F8 Q6 ]# U1 \' O
- if (digitalRead(0)){
) n7 C3 q$ `" ~. |. R" ~0 j - ESP.deepSleep(0);
: E$ p7 F- v. z8 W - } else {- `- a% z0 D4 A4 T* o T/ ?
- server.begin();3 W0 l& s" C A4 e- z) @
- }
5 a) j! F, p) {8 e - }/ J, b3 ~: g. L- `
- void loop() {
) ^: P) U9 X l! X, f8 {8 _ - server.handleClient();) `' a' h3 ?6 j# d0 Q6 m
- delay(1);6 l* F3 ?# i8 \0 C. O# R8 u" Q
- }6 G, ~# |/ M9 ]
- String doGet(String url){
) e8 o0 j3 X+ A. y4 Z5 e2 } - if ((WiFiMulti.run() == WL_CONNECTED)) {2 R$ y3 d, R/ C! m0 G
- HTTPClient http;
9 ?8 i' K8 F3 }% k - Serial.println("[HTTP] begin...");
3 h' z0 L3 G8 c# W: \ - if (url.startsWith("https")) {
) Z3 B! b' X- r - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");4 n o: v8 | Y1 w: F
- } else {
- x. K0 ~" @, d) N6 V - http.begin(url);
9 n! b1 R1 E2 A! J# U8 N1 o - }7 L, l- ~& e3 u P( [, S7 z) ]6 \
- Serial.println("[HTTP] GET...");* X( b$ H- k% e# v% R5 e. L I/ |/ P
- int httpCode = http.GET();/ C0 J2 c$ o& q4 n6 y' b( O
- if (httpCode > 0) {
6 M0 b [) n% [) c; r8 ? ^& ^ - Serial.printf("[HTTP] code: %d\n", httpCode);# v9 [3 n* A1 O; ~6 J
- if (httpCode == HTTP_CODE_OK) {% {# D# Q; X$ c+ ]' B5 U
- String payload = http.getString();$ T7 z9 E1 e" t& P. O
- Serial.println(payload);
0 H; S1 O- Q8 _- n5 B - Serial.print("\r\n");0 j Q9 u. r$ X! b
- return payload;! y3 O) a0 m: g0 j3 R* i
- }; d0 D, i. O$ W
- } else {
/ l( v" b, ~6 Q1 @) ?+ Y; L3 u2 D) r - Serial.printf("[HTTP] GET... failed, error: %s\n",( a. Y$ C& E( j* W
- http.errorToString(httpCode).c_str());
3 W3 o' W' A5 V# Y$ E' k' r - }" \) l3 L" }2 h6 C" D3 W( u
- http.end();
; D6 ?5 g0 H: `* J9 M' N. Z - return "";
0 B# r9 ?2 L$ u; ~/ C) b; o$ Z - }9 X% W. W8 x0 i# L+ W& p
- }
0 S0 ~; A+ K! v# ^6 I6 } y2 V( v8 ] - void mainAction() {
1 m' R& t( G0 ?# c - // 发送请求# o9 {- h. }, k l! p2 \
- doGet("http://google.cn");- F! Q) f/ H! E
- }
- i3 W, P9 ?$ h [
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