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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), ^) h0 y; H X1 ?$ k/ ~2 l
- #include <ESP8266HTTPClient.h>1 `& T' o: }+ z! r4 ]8 J9 y
- #include <ESP8266WiFi.h>6 H3 b: ]& f5 [
- #include <ESP8266WiFiMulti.h>( K {( N l2 H$ L! f3 u1 s2 ^
- #include <ESP8266WebServer.h>
- c% S: s g; P0 W% r - #include <arduino.h>0 A' f8 d; X8 @' A! I/ k1 D. C! @
- ESP8266WiFiMulti WiFiMulti; ?4 T2 _/ ?* `6 y6 I3 Q
- ESP8266WebServer server(80);
/ v# \$ i% j: f1 m: E' `6 G - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";: }: W: |! g$ E0 }
- ADC_MODE(ADC_VCC);5 z' I" w: }. o# x6 u9 H# ]
- void setup() {
2 Z8 ?5 t# e& y" f4 X0 a - Serial.begin(115200);4 ]2 z! |4 g: r3 O f U" D5 |
- Serial.print("\r\n\n");
; g4 n7 l) n1 D! ?/ @* |1 p j - pinMode(2,OUTPUT);! G$ x1 t [2 G! C6 ]
- // WIFI
" {, i& H. Y) {. I - WiFi.mode(WIFI_STA);
5 J& O$ \5 P, `, Y - WiFi.hostname("Sparkle");
7 C O% Y( R' B - WiFiMulti.addAP("wifi ssid", "wifi password");9 D# \4 Y" h& k# b) D8 D/ u" `
- int tryNum = 15;
0 h8 v% z9 x+ F! J( \3 N: A# y - Serial.print("Connect WiFi");7 _8 V- I1 W2 F. C: J3 m$ m X
- while (WiFiMulti.run() != WL_CONNECTED) {8 D% r) Z$ N" n
- digitalWrite(2,0);/ f; \0 h: k7 e& X! W: h
- delay(200);; f* N- l$ I. K' @: a8 |; O- {
- digitalWrite(2,1);% Y" }) m+ k: H) }4 p) H
- delay(300);0 D# V7 y7 V1 c0 m& \/ _( i% d6 u
- Serial.print(".");
F W+ ?0 h& m" k - tryNum--;: [4 }9 a' S. F1 ]8 X
- if (tryNum == 0) {( ?8 Y( b. x7 V: b, q
- // 1min
3 _- l& _- M' J; e3 M# w* `% @/ _ - // ESP.deepSleep(60e6);
4 H" g( U1 J% R$ V: O6 X( r - ESP.deepSleep(0);
8 e1 }" Z: M7 y- Z! ^+ a0 i3 P4 N - }
x7 T9 S+ Z* Z$ j - } g4 h& O; s1 t' S! b& U7 x2 I' k
- Serial.print("\r\n");
) C0 }' \2 H1 o - digitalWrite(2,1);3 x. i& `; s: H
- Serial.print("IP address : ");8 F- D4 n/ j2 V! P% f
- Serial.println(WiFi.localIP());
$ f% h% M' L2 u - server.on("/", HTTP_GET, [](){
9 _- Y3 X1 |0 U- a' V - server.sendHeader("Connection", "close");% m0 l7 D+ S: s5 b2 \+ y9 \
- server.send(200, "text/html", serverIndex);
3 e. P1 f1 A5 D* z( i' V6 q1 ?& N - });( K# Z8 D! ?* {. q' b6 f
- server.on("/update", HTTP_POST, [](){
! F# m L K5 r* T0 W, D - server.sendHeader("Connection", "close");& _+ x/ r9 J. s" F1 F. Z
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
+ y0 a. K4 L% i - ESP.restart();
/ S e# x* T* g2 A8 t - },[](){
# o8 V7 ^% v5 o2 I& t: P% C - HTTPUpload& upload = server.upload();9 S% x. J- ^4 @+ V5 y, y
- if(upload.status == UPLOAD_FILE_START){* w6 o6 }7 u! V2 e
- Serial.setDebugOutput(true);
8 Z3 ^; ^. i4 H8 Y- ]) o - Serial.printf("Update: %s\n", upload.filename.c_str());( g% j* U# {( z9 I1 n# O
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;5 n7 P5 w- [- F7 U0 w" t4 }) G
- if(!Update.begin(maxSketchSpace)){
% z: l' W o4 `" i. |! T- j - Update.printError(Serial);
" x) Q+ o7 d- F0 {3 h# d c - }4 u- Q8 @. U$ J
- } else if(upload.status == UPLOAD_FILE_WRITE){ V. j9 T4 Y4 n' }# q
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){- u' M" f2 ]( n( w V6 s
- Update.printError(Serial);
3 _' U+ U9 D6 v - }
5 {2 @$ g$ Y0 \5 |3 n" F - } else if(upload.status == UPLOAD_FILE_END){
& [+ F8 L& v" P - if(Update.end(true)){+ O$ N4 x8 r; Q3 i |/ Y
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
2 T9 v( d' u- k# M* L* t2 ]$ z% q - } else {
# a+ [+ \) c+ _, B$ S% m8 X: i1 q - Update.printError(Serial);
# k1 B# u1 J4 E3 E% T - }- z0 ~, C% h$ ]' M
- Serial.setDebugOutput(false);
7 c7 a7 W6 K2 `$ n7 @/ L - }
# a9 x( A! `2 n8 E" s/ f$ p+ D - yield();( H6 t( {- J1 M; f
- });
5 j4 O5 v7 A/ i# d -
+ [- Z% c/ R$ V; E - digitalWrite(2,0);
0 N! ?4 N; p; l8 A+ o2 x J5 J6 e - mainAction();# h# N6 s8 u$ Z* {) @2 q0 I0 X
- if (digitalRead(0)){
$ U8 y; g# ~: R: M) c; k2 b - ESP.deepSleep(0);7 J. F/ X. _( c
- } else {3 B8 M' ^& F" o& N
- server.begin();: T& i5 ]. b& c$ L& C
- }- P5 s- W; E, y, ~4 N# J* X1 f/ G
- }* L4 o6 ~8 }5 T/ X6 r* E* a
- void loop() {
: y8 l, p( {7 o* ]6 J9 n6 y, c - server.handleClient();: e+ Y; f! w! Y# S% ?0 ]: m
- delay(1);
, a3 x; |0 ^7 y% S% P* A - }4 ~# S$ v* _% C7 }
- String doGet(String url){
. M* a# @+ F* i) L! u; L A" W# d - if ((WiFiMulti.run() == WL_CONNECTED)) {! o1 x8 C; B& D+ @; z
- HTTPClient http;
2 R" K6 r0 I4 ^6 x$ z5 \! k - Serial.println("[HTTP] begin...");
0 W" V( y- T! X - if (url.startsWith("https")) {( m* n; U& A' z
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");/ J) q7 N' c3 b+ W9 A- i
- } else {( A" |* T3 I8 p6 s+ p! G
- http.begin(url);8 h3 J7 G% I2 g% P
- }3 W$ b" h+ G$ O8 H7 }' ~6 F
- Serial.println("[HTTP] GET...");3 X6 ~) y7 t$ \
- int httpCode = http.GET();4 I1 b; {; q4 m* D" j, o
- if (httpCode > 0) { r8 x H* a1 z* W3 L: J
- Serial.printf("[HTTP] code: %d\n", httpCode);
7 L" i; T/ E) S8 ?" H: F - if (httpCode == HTTP_CODE_OK) {
) R' e3 q; C; }, m# e& A& S; O - String payload = http.getString();
1 v) O# h; f5 [$ V5 Z - Serial.println(payload);
4 A/ d5 m7 y# \- A$ m; N5 ^* i - Serial.print("\r\n");
7 O- s' g9 L) t8 t. n - return payload;
# r# B1 l4 v9 N7 C3 n! u/ a - }
# `+ W9 n& V- ` - } else {- D5 {4 l9 h3 H+ X
- Serial.printf("[HTTP] GET... failed, error: %s\n",- A+ o1 q# W: h* v, c% E& W) m% U
- http.errorToString(httpCode).c_str());
- |# S, p: P5 z0 L - }
% o4 G' Z1 x7 n3 |* n$ C7 N6 C - http.end();. r" C Y0 C Z) M6 u; j+ T! N" y
- return "";; y1 t! H( h) Y- R
- }
8 n+ d1 y) h- @ - }2 B, k; C8 h( n8 l U
- void mainAction() {
& ]! Z* R9 w- A- r& i - // 发送请求4 X# b" U" n- V2 W6 x" y E" e! T
- doGet("http://google.cn");
! K) e0 m- V" h3 [6 H - }
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