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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)7 \. W7 W' U9 l0 j! Q# I4 m7 i' B$ K
- #include <ESP8266HTTPClient.h>7 |& W1 W% `: ]4 ?- R
- #include <ESP8266WiFi.h>: _0 n- L$ k1 }
- #include <ESP8266WiFiMulti.h>
( S+ I% _1 V& Q2 ?8 U9 ]9 _: R8 S - #include <ESP8266WebServer.h>, h/ f; V+ M( Z7 Z/ s- ~& V; G
- #include <arduino.h>: x- h0 M" {# V& A6 `. p
- ESP8266WiFiMulti WiFiMulti;# F" L$ V9 \" { l
- ESP8266WebServer server(80);
: \' T, n6 n$ P; I1 w - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
. W+ w% R+ G: Z9 k+ r; ~2 T( t* l - ADC_MODE(ADC_VCC);$ @! a; g" b D) v0 I) S8 B7 P
- void setup() {0 P9 ^6 U/ e1 {# l N# L6 U, o
- Serial.begin(115200); D8 L R# X) C1 K( {
- Serial.print("\r\n\n");$ d3 H6 \* @+ M/ V6 A" b
- pinMode(2,OUTPUT);( c8 {$ O' _9 L) h' G" g6 p
- // WIFI
& w0 ^6 `' u& T7 R9 E - WiFi.mode(WIFI_STA);6 t0 d& j6 I* N: _; U3 B
- WiFi.hostname("Sparkle");* n: H9 c$ ]$ d$ y) _
- WiFiMulti.addAP("wifi ssid", "wifi password");
9 ~) o C$ w+ A - int tryNum = 15;9 W( l0 X9 L8 T% u/ @
- Serial.print("Connect WiFi");
o. o" a0 f! ?0 _& y - while (WiFiMulti.run() != WL_CONNECTED) {
4 F1 j: z1 r5 o" ` - digitalWrite(2,0);
% S4 k, S9 |! l$ f - delay(200);5 Z/ J; O- d9 N. o9 z: n3 h
- digitalWrite(2,1);
/ _6 I' V$ A9 j8 }& g' @ - delay(300);
. K3 I* g; u% Q: O8 E4 l( _' o - Serial.print(".");
0 A- [$ I/ |: i( q - tryNum--;$ Y! s4 l6 h. i% M
- if (tryNum == 0) {+ C# I8 M }0 _) R/ }9 V+ L
- // 1min9 |) U: K& Q! @# @
- // ESP.deepSleep(60e6);6 i4 }) R3 l/ i9 @) o' u( k
- ESP.deepSleep(0);& Y; G b$ H$ [
- }
8 D3 @0 u V, m" _7 m- g - }
$ m. X. p' W2 C1 o. ?0 p2 U - Serial.print("\r\n"); {+ k, W s3 x% ^- @
- digitalWrite(2,1);' H: }7 t# Y; Y7 }
- Serial.print("IP address : ");, H9 b- a3 W5 n" D4 b2 Z6 a4 `
- Serial.println(WiFi.localIP());2 r- |( @ V+ O; Y4 n7 ~
- server.on("/", HTTP_GET, [](){" X% U+ [+ ?0 T! l
- server.sendHeader("Connection", "close");
/ l! B( Z, j& W, i- e! ]4 }" k - server.send(200, "text/html", serverIndex);
" \: g- [/ L' C - });+ g( U/ m/ ?: {) B6 c
- server.on("/update", HTTP_POST, [](){
! U) p, v _8 l* k; a - server.sendHeader("Connection", "close");( n3 \' J" k/ ?* }6 T3 R
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");; Q8 U. I1 L5 n8 V8 u
- ESP.restart();- Y Z+ q# @1 @6 |/ N8 }! `
- },[](){& G4 t( S8 M" G. r! z8 h
- HTTPUpload& upload = server.upload();
- V) P" {" U, X. @+ Z4 i" f - if(upload.status == UPLOAD_FILE_START){4 b9 w1 L0 s' q& H5 F$ ?: X: [. N
- Serial.setDebugOutput(true);# p3 @' V3 D" F; `9 ]
- Serial.printf("Update: %s\n", upload.filename.c_str());8 w, x) S$ |. l( i
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;* ~" _( B( F; [8 G- N7 H
- if(!Update.begin(maxSketchSpace)){
/ L) E% q* a2 {7 [- h( @ - Update.printError(Serial);4 _2 o: a$ Q$ m! e6 n) F
- }
; D# l$ P4 @/ @! v( C/ {# {( z - } else if(upload.status == UPLOAD_FILE_WRITE){
( v8 a6 ]" ^. H7 Y% u - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
" t3 z3 J* n) H - Update.printError(Serial);+ P3 R9 |. A% w# C! f& @
- }
# C8 U% G# U& C6 U* S - } else if(upload.status == UPLOAD_FILE_END){7 E" Y: Q, r. ]; c) N
- if(Update.end(true)){
% [2 F, z" k& ?8 p, R6 q - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);6 ]( v4 ^/ e6 S) e: W
- } else {% A: I6 B9 B4 \: _; }, S
- Update.printError(Serial);
f! l' a0 d; q+ M6 y: L: D$ F: c* D - }! {/ i6 V; \4 A+ M) x
- Serial.setDebugOutput(false);
; r9 p3 V/ l4 F6 H8 I' m1 x5 C - }
3 C; [1 V' Z" F5 H/ H+ f7 i4 S - yield();
2 R I& x3 i' A" B - });7 N8 K: R( X. m, h
-
" ?( M0 r( ~7 i, O( O - digitalWrite(2,0);
- G; e$ w4 o$ P" x' a: `- p \: u - mainAction();
0 ~; Y6 u# J. U$ Z/ D0 g - if (digitalRead(0)){! w7 H% i' a& |$ \' I
- ESP.deepSleep(0);
+ ~7 Z+ v+ r1 I, e, x - } else {* r1 P6 {/ g/ z! q5 c' ^2 |8 G) e
- server.begin();
. N/ s) l" w# ~0 l6 A- ~* u6 R - }
; a6 A5 T4 I/ F# Q# J - }
) c H8 c( l& y - void loop() {% ^7 l1 ?! ?- i" g2 D
- server.handleClient();6 q+ f9 `' ^$ V+ [, E( J
- delay(1);
' H9 t: K: z3 Y: [' A; A - }3 F X1 d5 A# Z: X0 x3 T
- String doGet(String url){: c( I$ q4 [$ v4 D. h
- if ((WiFiMulti.run() == WL_CONNECTED)) {8 {$ n" j! A# S0 K+ d
- HTTPClient http;
4 s( d8 ~) [& E3 V( w, S6 {# K - Serial.println("[HTTP] begin...");0 }/ `" m0 W( n- A) M
- if (url.startsWith("https")) {
- z( }. W3 N2 R8 P! A - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");, ?; G) G7 e6 n$ j+ c4 z" u
- } else {) @2 Y. }9 a, k/ S, s* i" b
- http.begin(url);9 B( g1 P: i3 P
- }' O j/ r4 E1 \# v. A9 p
- Serial.println("[HTTP] GET...");
* g' b1 e7 Y2 ]/ k - int httpCode = http.GET();
6 e$ P; {4 r" ^8 y - if (httpCode > 0) {
% t- y* M8 C/ r+ \4 Y7 i; E6 d - Serial.printf("[HTTP] code: %d\n", httpCode);# x" q" ^' z1 p- f( S9 I0 V
- if (httpCode == HTTP_CODE_OK) {
) J) J, s# H$ P2 H - String payload = http.getString();
0 K3 c9 f' }! t - Serial.println(payload);8 q4 b" K! R9 {8 p& r
- Serial.print("\r\n");8 w4 _; F) _5 y( L
- return payload;
, z$ T0 }4 `, K. o - }" j6 g3 {2 A* ^7 g7 e
- } else {
3 ?' o$ m' A, t6 @5 s7 y! g+ x - Serial.printf("[HTTP] GET... failed, error: %s\n",) b8 M# b; `1 ~. G; { M
- http.errorToString(httpCode).c_str());9 A! ? r/ M1 [6 H
- }& Z" n0 b8 e% i1 C1 Z- h3 S; Q
- http.end();
& n% H! m5 x4 X" L f - return "";# O; I+ k; \5 j
- }+ n4 n, ~$ i! V7 I: g" k
- }
& d5 g+ R* E. t1 p - void mainAction() {
0 S+ ?1 [; p7 v8 ?. n" a: a - // 发送请求# C1 `% ~# Z* s/ m
- doGet("http://google.cn");
$ w$ u% d5 Z1 d% I/ j; [5 s - }: B$ \( T" I9 ^. U0 K! E! ]
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