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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)+ b# P5 i" |) x4 m' P0 Y# d
- #include <ESP8266HTTPClient.h>" h* y% E$ Z! [0 v8 Z$ ~2 _/ u V
- #include <ESP8266WiFi.h>3 S( @% r# a( f8 l/ H
- #include <ESP8266WiFiMulti.h>+ G& K8 x; h) |; c: M2 V( T7 Q
- #include <ESP8266WebServer.h>
5 W! Z6 T6 L! G - #include <arduino.h>
0 P1 C) s) L# n, @1 B - ESP8266WiFiMulti WiFiMulti;# c+ c& l' n r
- ESP8266WebServer server(80);
- o: G' W1 F, C# Q: w - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";7 J4 z; }2 o, k
- ADC_MODE(ADC_VCC);/ r6 Z7 Q( [3 y" P( f$ G! T- N5 x
- void setup() {
- v/ A, }0 I+ H9 ?; {$ C d - Serial.begin(115200);
' n0 [. K( ~4 B4 X( P1 N- n - Serial.print("\r\n\n");
1 g& |- ]+ _$ ~ - pinMode(2,OUTPUT);
; v/ A$ O' K l$ s, B1 s - // WIFI3 b8 R. ^- D# H8 H/ M4 W; Z
- WiFi.mode(WIFI_STA);
& |# D! M0 e) b - WiFi.hostname("Sparkle");/ q$ j9 w. e' t, n0 \9 S
- WiFiMulti.addAP("wifi ssid", "wifi password");9 C) I! C8 P% t1 |$ q- q
- int tryNum = 15;: @- L( t1 `6 B5 D/ Y
- Serial.print("Connect WiFi");6 j) C" s; w( @9 J) M/ T( I; i
- while (WiFiMulti.run() != WL_CONNECTED) {
$ m# g- \6 ~4 Q/ h2 a7 s - digitalWrite(2,0);; n$ n' F: U' K$ G' y2 P
- delay(200);/ y. L! C& ^6 i4 N( `1 d: W d
- digitalWrite(2,1);
% U- P* t& u4 e$ z0 p2 y - delay(300);
+ m3 u( j6 y( R3 z) q9 { _ - Serial.print(".");
5 z/ V. l4 [1 f" R% M/ u+ Z - tryNum--;
5 V$ y! l8 j2 f' X0 f - if (tryNum == 0) {
7 I( @# h$ x! p; X" G: b( S3 _- e4 ~& n - // 1min
- u7 K# U8 v. T% C - // ESP.deepSleep(60e6);
0 t- a8 G+ R' ~3 G4 ]7 {5 ? - ESP.deepSleep(0);: y+ I- R {7 i8 s" z9 T! r
- }, c C$ E; J5 h7 w# X
- }
3 X- |# o$ s% P T- z0 y) W - Serial.print("\r\n");
; E1 P- U: }; N6 E9 @/ v - digitalWrite(2,1);. G2 K/ w' t/ \
- Serial.print("IP address : ");
7 \5 k( J* J' G2 P/ |& ^ - Serial.println(WiFi.localIP());
: Z/ I; F& x$ Z( F7 E" H% K - server.on("/", HTTP_GET, [](){
3 G, }9 d1 i9 X" {% L - server.sendHeader("Connection", "close");: F R \. u% t1 }4 R+ O
- server.send(200, "text/html", serverIndex);
' |1 p) @4 W% j* t - });5 r! t) `. S9 G, H" ~9 U! `
- server.on("/update", HTTP_POST, [](){
. g* X. b6 S: r& w! n7 J& ] - server.sendHeader("Connection", "close");
- V% `0 S" L' W1 S5 H9 j- e - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");! l, v$ g5 f! Y
- ESP.restart();
% k* a; p3 y3 U/ W - },[](){( Y% v- h% \$ c% X; S$ b6 j
- HTTPUpload& upload = server.upload();
, m( s# ^0 f* f( H' g) K - if(upload.status == UPLOAD_FILE_START){
' D" B \, A. @9 [1 O$ Z - Serial.setDebugOutput(true);' ^" k0 l# }! s* u6 v+ X; U) C
- Serial.printf("Update: %s\n", upload.filename.c_str());. I- v+ e$ ~6 C! \8 {; o
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000; Q1 g& `0 W! {. y: t% h
- if(!Update.begin(maxSketchSpace)){
" z! D' x; l) C/ d' t - Update.printError(Serial);9 Q6 Y4 S' U' c$ w, {
- }1 o& X& N/ m' M; ]7 G X6 H3 F
- } else if(upload.status == UPLOAD_FILE_WRITE){
2 c: Z* ?% }5 d j0 \5 [6 m4 q1 L - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
( \* s4 q7 z/ A7 M/ K. ^3 S, E - Update.printError(Serial);
+ {- `8 P) J/ S2 S* i& v0 A - }
2 u0 i( j6 m. P# k7 P& x, s1 Q1 q - } else if(upload.status == UPLOAD_FILE_END){4 ]. h5 v3 s& U. V, N
- if(Update.end(true)){+ G! {( ?' w7 C9 b6 w6 ^1 P( n
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);3 z8 f# V! x& z/ ]- U
- } else {
% E& k9 i; [% b( P# G8 p! f - Update.printError(Serial);/ W9 _9 g% @ m
- }
5 ^* a" @( x* h - Serial.setDebugOutput(false);
$ }6 @9 e( a4 }0 s - }5 C/ F: |7 m4 l% d( F
- yield(); \$ j, J% s* @/ O) f0 J
- });, t3 ?( }5 T5 J3 b. m" ~
- 6 s0 J# o+ c# `" H
- digitalWrite(2,0);
) @2 Z# L C: w% e - mainAction();" q5 M; J+ \ ?$ v" S* M5 K
- if (digitalRead(0)){
6 g/ X: v4 P: I& L8 I. D - ESP.deepSleep(0);
$ K, j, M) P) T# S - } else {) S% D. k: a$ b. E @: O4 {
- server.begin();
) ~8 J3 \9 l& x5 b" C2 S: ?! l - }
& L8 u! {# f1 Q+ J - }
. T. J' y( g* R1 B& X - void loop() {$ L/ \2 U6 z4 }$ k
- server.handleClient();7 o! C( N7 e( d6 F
- delay(1);1 H: \) s* M- K* x' e- o
- }* Y( D/ b+ g, c
- String doGet(String url){& H" ]# q) [6 D9 A4 U& V
- if ((WiFiMulti.run() == WL_CONNECTED)) {* I+ s/ d1 `2 b
- HTTPClient http;/ }' R1 _. x3 W% P
- Serial.println("[HTTP] begin...");4 D8 ]9 O. |: C
- if (url.startsWith("https")) {
6 A0 H& o, O$ T7 I6 {; c( Z- E2 N9 c - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
- B) O9 o2 V/ l0 h) e - } else {
- c0 t$ @$ l. K% \! w - http.begin(url);6 O' c2 @+ E% Z# E' E' H
- }
4 R, u. P/ v2 N; G% S: F/ b0 U - Serial.println("[HTTP] GET...");
E$ t' r6 d i6 G4 I% \ - int httpCode = http.GET();$ x* H* X6 K% c5 p
- if (httpCode > 0) {
# j. D9 N2 S5 _# F8 D - Serial.printf("[HTTP] code: %d\n", httpCode);8 F$ Z# y" g' I4 G' L) A: o
- if (httpCode == HTTP_CODE_OK) {' E; n( O& f2 r+ q8 ]
- String payload = http.getString();+ ~0 r$ p) a! Y$ y
- Serial.println(payload);
: w% S! V3 K. W/ ]% ^+ j5 g7 t - Serial.print("\r\n");4 K% J' J0 g4 b4 p$ R# {. U }+ F
- return payload;
8 i9 o* m, T, _$ A- V - }
6 |: y4 r2 [- X3 r' U! K V0 v4 h+ z - } else {
- J0 d$ ~* `! I& z/ L6 w - Serial.printf("[HTTP] GET... failed, error: %s\n",$ C. o/ p% Y- c* z4 |4 ^. ?
- http.errorToString(httpCode).c_str());5 p& X" P, n" H0 w3 b* e- @
- }
: U1 F) Y5 y7 E2 ?# f- c/ w - http.end();( p2 J1 z. u' X$ y3 y4 Y
- return "";& l, U1 \4 }; C7 q. m" T6 v
- }' K& `! ^' X0 E9 B8 F! e$ }
- }
* f6 g* K1 k% s3 X& s - void mainAction() {6 x D* m" O7 H3 i
- // 发送请求# n) F( h5 \7 o, w' \# y
- doGet("http://google.cn");
' H% D' l W" E - }
! G# k/ ]7 `' L% i, V v
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