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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)& t$ @9 Y* K6 O+ ?* i! t4 P
- #include <ESP8266HTTPClient.h>
, m$ e4 V6 ?2 s$ K/ Q8 t - #include <ESP8266WiFi.h>7 N% h8 G7 P; D2 N. C4 m, V& [
- #include <ESP8266WiFiMulti.h>
+ J: B$ y8 I0 B - #include <ESP8266WebServer.h> i. x5 C' B N- Q) a
- #include <arduino.h>
- ]+ F1 i# z& E C2 B- W7 V& Y& k' b - ESP8266WiFiMulti WiFiMulti;# h0 N; e7 O; ?' @( B- M. c
- ESP8266WebServer server(80);
4 _) a+ y7 H3 Z - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
. Y( ~8 B# ~$ I; I3 p2 a3 Z1 z, B - ADC_MODE(ADC_VCC);
1 A9 ^0 C9 @/ _ - void setup() {7 F; q) ]7 V- m& \% o
- Serial.begin(115200);) V" Y5 R! g1 k% F+ ]1 }+ M+ [
- Serial.print("\r\n\n");
- K* {4 I0 t+ q6 c; L* O6 s - pinMode(2,OUTPUT);
+ q) Z& x; w! ^5 W# a$ i - // WIFI
5 k i- h+ f- K( e - WiFi.mode(WIFI_STA);4 O- j8 L1 j1 m( l0 u
- WiFi.hostname("Sparkle");' T" T5 E6 P& ?
- WiFiMulti.addAP("wifi ssid", "wifi password");! X% n8 l4 u, J' L7 i
- int tryNum = 15;
- N" }8 j# r! p - Serial.print("Connect WiFi");
( m. ^" D! n: e, C" P4 P7 S0 ~9 g+ ? - while (WiFiMulti.run() != WL_CONNECTED) {* y' t6 [7 k5 w: U: @. P4 r1 Y
- digitalWrite(2,0);& e( e+ {" P, N) U0 ~# I$ j! {
- delay(200);3 M: h& t1 M. f; x, q( D' E
- digitalWrite(2,1);
9 Y# p8 l5 i5 W' u. k* \ - delay(300);/ i6 b# P3 }& _- p( E! d
- Serial.print(".");; K2 t! ^, v' h |! d" |
- tryNum--;
) O; \3 ?" K7 K - if (tryNum == 0) {
$ I) q7 U0 T! L$ F: g - // 1min* l2 X3 _/ G, I( C" S
- // ESP.deepSleep(60e6);
e1 L( ~9 X0 Q; m4 B7 W - ESP.deepSleep(0);
" f& H {8 O8 u/ E p - }
* C7 o: u9 w; Q6 Y4 A - }
, c4 K2 A- R$ k! R - Serial.print("\r\n");
& R: |( w7 x5 f& u$ N, G d - digitalWrite(2,1);
U: _7 I1 g: n7 D - Serial.print("IP address : ");5 `! K9 f6 P3 ]4 w& B; p
- Serial.println(WiFi.localIP());
) c; P- h5 Q: ~! m. \+ e - server.on("/", HTTP_GET, [](){ {. I6 {1 A4 q8 Y5 P+ w! ~( v/ T
- server.sendHeader("Connection", "close");
/ C5 @% l+ k4 E5 D* X+ x - server.send(200, "text/html", serverIndex);
' h3 ~4 n: d7 {+ n - });! }- Y0 \: G$ F( p1 U
- server.on("/update", HTTP_POST, [](){' S- u2 ]) c2 S
- server.sendHeader("Connection", "close");
& ?* y+ H! _/ L( \, D9 O H - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");. R H; ?& B* c5 w3 K1 P
- ESP.restart();# t8 ?+ o. ^' q0 o
- },[](){
1 _- V6 N6 F: L; ~: J - HTTPUpload& upload = server.upload();
j$ P# m7 @# [ z( l A5 g - if(upload.status == UPLOAD_FILE_START){ Q& a% Y9 w# _0 C3 r, L
- Serial.setDebugOutput(true);
; f/ c. ^4 p; S - Serial.printf("Update: %s\n", upload.filename.c_str());- H: Q9 E7 H5 y1 z0 M( O$ T6 x3 D$ ^
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;1 p: r( t: ~! o1 V2 U4 Q: H
- if(!Update.begin(maxSketchSpace)){
! ]: V* H- l: Q. p5 i& ~4 a - Update.printError(Serial);
; L% q. D2 K3 U" T; ~* N9 }( j - }1 C: s9 Z6 n0 y$ S
- } else if(upload.status == UPLOAD_FILE_WRITE){8 u, o5 B/ J+ Y+ V8 G
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){+ O5 P! z/ _* W, e4 i
- Update.printError(Serial);+ i- a* I. w; b3 o
- }
5 ?; Y" u2 t$ e6 _ X1 g - } else if(upload.status == UPLOAD_FILE_END){
$ A( b g% U9 e, \' ^ - if(Update.end(true)){, v8 O. B& i* X5 _* g
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);# W) I4 m; \) C# k' @6 g
- } else {
$ c7 r: P: l2 n6 s q1 C2 P/ R$ | - Update.printError(Serial);. x$ u8 p% z( w; I1 B
- }
: L* o4 M. y! D, L K& Y - Serial.setDebugOutput(false);- J$ b1 Y5 B q8 Q( J* J2 Y
- }
) B& K- O; J' h0 G9 p. ?1 ?: L6 z - yield();, x: L& f- A# k+ t
- });
+ Z, S' S8 ?7 b, l( m -
0 W# ]9 }% r- I. X) q4 D! B - digitalWrite(2,0);0 `9 C# [; G* e' c
- mainAction();. o0 u+ J6 D6 w: s% \- _; U& \
- if (digitalRead(0)){% f. Q6 C0 l1 k/ s+ D; E
- ESP.deepSleep(0);: D1 ^1 g5 \3 ?* d) K+ {6 w
- } else {
+ s- Z! _5 C6 U' N% L1 n. Y6 b - server.begin();
" n' X8 V7 B0 n - }
; K$ R2 L; |* ] ` - }1 }9 h# L; I2 K- b% b
- void loop() {$ S! N$ @1 }4 d2 p; }
- server.handleClient();
( v% m1 h+ B$ J% V' C( v - delay(1);
; N/ R4 K+ l6 z) I8 L$ G - }* p) n8 Y1 s& h) J9 d* W
- String doGet(String url){7 h5 M6 z) A! A" D4 i+ g
- if ((WiFiMulti.run() == WL_CONNECTED)) {( a# F. Q0 X* Q$ y4 t1 b! f7 B
- HTTPClient http;1 y# C X9 l' I* V/ \7 u8 g
- Serial.println("[HTTP] begin...");: Z& c0 H" r @$ U9 J, U
- if (url.startsWith("https")) {
7 w3 y0 p3 D5 Z- a - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
6 v# W' t& R' d& | - } else {
2 q$ C O- z0 x4 R - http.begin(url);9 h" _& {- J0 ?$ B9 \# v; Y
- }' e' Z, @; p4 ^4 x: E; u Q
- Serial.println("[HTTP] GET...");* M; p. x" p" ^+ N
- int httpCode = http.GET();
* r! l' R( ]6 o a, [& c8 \ - if (httpCode > 0) {2 ?* B( X% Z0 M. \3 I2 |, v
- Serial.printf("[HTTP] code: %d\n", httpCode);& n) [; D$ C0 m& @3 s
- if (httpCode == HTTP_CODE_OK) {) i0 `: n2 o; C9 E) j+ _' l
- String payload = http.getString();5 A9 v& v! ]2 T
- Serial.println(payload);
% s: _) z1 r1 q6 G) X - Serial.print("\r\n");
! G+ {& `' @9 N8 _ - return payload;
* p5 W6 K" @* `; G/ v) T - }2 K8 V6 O( D' U# d; ~
- } else {' s# D' \8 Q# S5 |- _
- Serial.printf("[HTTP] GET... failed, error: %s\n",8 |2 g6 F, q9 @
- http.errorToString(httpCode).c_str());: o9 Z( n8 Y, a; i, q( [
- }& a* q% K, k" O) M7 X# Y6 r
- http.end();. r5 q) |( _; m M9 g
- return "";- d7 V1 E9 w; [( S# i0 O
- }
; H' k9 v. t; E - }9 T% `5 s: K- h5 Z+ \* X# [) |
- void mainAction() {
& c- W0 y0 Y, s0 i - // 发送请求' i; H- e! e+ i7 ]1 I# t
- doGet("http://google.cn");
2 m" m' Z9 ?! `& a( b8 h - }- J) i3 r0 y: {/ E: N- N
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