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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)
, z. k7 J: T T! |* ?) o4 d- E- #include <ESP8266HTTPClient.h>7 m* ^' [ l" w. ~% T# A
- #include <ESP8266WiFi.h>
: s7 G8 r# e" h" i! U8 w4 ` - #include <ESP8266WiFiMulti.h>
4 X+ o( O& g6 k2 | - #include <ESP8266WebServer.h>0 \! T- n, X/ l/ A9 ~" P q
- #include <arduino.h>
+ Z' G j/ k8 ?4 W8 D2 H - ESP8266WiFiMulti WiFiMulti;
5 T% {0 E( t2 F& e3 n+ P$ N - ESP8266WebServer server(80);; M. s+ g) U, x7 e" {) ]
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
4 V0 a' P6 d6 e* M$ }7 r0 w; p: [# @ - ADC_MODE(ADC_VCC);' Y X. f- O# E7 D( }" |
- void setup() {8 g; C/ w ^+ S5 i% |* C) t
- Serial.begin(115200);
) j6 F" P @" `$ B/ l - Serial.print("\r\n\n");
% J% x9 J" k6 l9 u - pinMode(2,OUTPUT);
( Z' H) {7 W4 l& i- b - // WIFI
L& y- e9 ]- Q6 e$ d* e4 u% N - WiFi.mode(WIFI_STA);" A* V$ P2 ]1 J2 I
- WiFi.hostname("Sparkle");
9 M" V8 Y% P" a - WiFiMulti.addAP("wifi ssid", "wifi password");- Y; a* o: A- M- E
- int tryNum = 15;
3 ~6 ?4 @0 g0 |: @ - Serial.print("Connect WiFi");$ Q- ^* a6 \. k" y
- while (WiFiMulti.run() != WL_CONNECTED) {2 ^9 P0 R. Z/ E& w" v3 F
- digitalWrite(2,0);
( i1 N. R, V8 j2 [ - delay(200);
: K* d- }3 ` b8 D" |9 J( a* Y - digitalWrite(2,1);0 p$ D" c+ `% z8 Q
- delay(300);
% r4 K5 G3 H+ Q* \$ e2 ` - Serial.print(".");
$ n2 E/ g% \" X0 O9 E7 U - tryNum--;* z0 I c: n7 p8 S
- if (tryNum == 0) {0 Z" k+ K2 O3 S" J# D" g- |
- // 1min
# k+ ?) D$ S0 D6 m - // ESP.deepSleep(60e6);
; n/ Q! e5 V1 f7 @ y6 G a - ESP.deepSleep(0);
7 h6 D: q1 T/ {5 t6 ~ - }$ c. ] W& s) J" C* S: p
- }
& k& F5 V2 N/ C& h. w2 x - Serial.print("\r\n");4 S. L1 \- L n6 r* k
- digitalWrite(2,1); t( b7 s0 n4 C& w; l+ H
- Serial.print("IP address : ");" r6 W: ]( H7 h: G5 R- D# _
- Serial.println(WiFi.localIP());) t1 b+ O! N# c4 j, k. C
- server.on("/", HTTP_GET, [](){
$ S; j+ S( @6 y4 C - server.sendHeader("Connection", "close");+ f# T# ~- ?2 J; l) O! H- j9 g. o. o
- server.send(200, "text/html", serverIndex);
" W( W2 r+ q" V - });- J. b+ h/ {+ e
- server.on("/update", HTTP_POST, [](){. d7 P' M( D$ b
- server.sendHeader("Connection", "close");
/ S9 R5 p8 n) t+ r. E$ D: ]: \! V - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
, i! k& C' j8 C0 _9 Z - ESP.restart();
N' o9 Z: `3 c( v7 O5 s& c - },[](){8 y/ D+ _6 }$ k5 ?+ ]
- HTTPUpload& upload = server.upload();
, c! `* V+ ]% I: S' } - if(upload.status == UPLOAD_FILE_START){* A" s' |" k; e; a
- Serial.setDebugOutput(true);
s0 N8 C/ ?7 ^4 d, o7 S% J) V - Serial.printf("Update: %s\n", upload.filename.c_str()); _3 O( }7 m5 s; ~0 n2 u! L
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
( E/ q- x8 H; V6 W4 b+ c - if(!Update.begin(maxSketchSpace)){
; ~. k" n. x- n) I& v - Update.printError(Serial);) ^3 U; W5 H. F
- }
6 T$ {9 @ m F8 C - } else if(upload.status == UPLOAD_FILE_WRITE){. _) z- @; W% F q4 ?9 D
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
. b" n3 q5 M7 h# k9 r - Update.printError(Serial);9 Y) `4 V3 E4 \3 H; c
- }
1 Z* Y1 k$ M! x" h - } else if(upload.status == UPLOAD_FILE_END){
( w1 e% w/ Q, W& X1 K C8 B( h - if(Update.end(true)){
: O$ j% ?, ^+ M' z - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
! O9 X8 Z$ _7 x9 V4 L - } else {; f8 o! z/ G, Z( B( u+ G) @1 h
- Update.printError(Serial);
" m' M* k: M9 P0 u* E/ F - }
3 E6 s( d2 v, X! a$ N5 f' D - Serial.setDebugOutput(false);/ G" d' r- t+ P2 P3 o" r
- }
/ w9 |1 K! [$ O9 V* p: ~2 ^ - yield();9 k5 L: `% j- b* @
- });
- I, }0 w- i, y/ ?5 e$ F -
" B! O: L- [8 O# m' w - digitalWrite(2,0); ^" D7 B2 m$ [
- mainAction();
& A3 Q7 [9 r/ B" Y# L. z - if (digitalRead(0)){& z( h" J+ M3 {
- ESP.deepSleep(0);7 D8 N2 O; a" T" \, O9 P, |- r
- } else {
/ N1 y4 I- s+ [4 r" G1 z4 {! F - server.begin();
: K" ?9 M8 T3 t. z' Y: D1 a; W h% b - }
$ e& ~! u! }' F# a - }0 S0 X8 {1 _5 ^5 ]- x6 k. x5 k
- void loop() {
8 u. K% C. x, b0 T+ v) ]# B - server.handleClient();
+ v' W- M% m ]1 y) ]8 D - delay(1);
# U! ?8 M. k% j: {9 ? - }
7 f3 d5 t+ b7 b2 G3 j4 H - String doGet(String url){
. X6 L- o- B( R0 I; _ - if ((WiFiMulti.run() == WL_CONNECTED)) {
3 l- D( q: `" N: ^5 f% U+ k - HTTPClient http;
" L0 k/ B, S. ]8 ]& S - Serial.println("[HTTP] begin...");
2 G( N% x. i$ C+ d& a7 r8 f - if (url.startsWith("https")) {
. i# W0 a$ y/ n7 y - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");7 D% ~: `0 f" ]2 Y
- } else {
( u: Z6 X- n' m' [ - http.begin(url);7 G! b5 `8 w4 t4 c. h# t4 J
- }# C! d* X, m" w: G! g# J. k
- Serial.println("[HTTP] GET...");* H1 A8 _) k+ T# v, f Q) a- V/ T" r
- int httpCode = http.GET();3 r P# i3 q, Y' s% }
- if (httpCode > 0) {
+ }( B/ i* K9 ]$ r' B0 _ - Serial.printf("[HTTP] code: %d\n", httpCode);
9 K# _9 m: _" @4 H( a* L/ _0 ` - if (httpCode == HTTP_CODE_OK) {/ ^0 A2 D9 N h8 A- F
- String payload = http.getString();9 P1 f& s9 H, Z
- Serial.println(payload);& x. ?# r& o1 B7 M' h
- Serial.print("\r\n");
; s3 a- K( j" c1 G" t- q$ F - return payload;
: L- k( _4 B/ g- _/ W; d" X! F - }
6 A: v6 a! i$ R3 d* H9 m! M - } else {
4 v2 t+ |* z; R% L7 b - Serial.printf("[HTTP] GET... failed, error: %s\n",* T1 W/ x9 W( x; a; a( h
- http.errorToString(httpCode).c_str());5 L3 ?2 T. f; w$ M/ k& i
- }( [+ n% K0 w; s8 e
- http.end();
( J5 W% s j1 O8 V - return "";" w4 ?/ s0 q* ?' Y
- }; U1 T) ~9 z* ~- P Z3 |) i$ K
- }
5 c" M1 H* I( n: L7 h% R - void mainAction() { g' \2 r) o' g
- // 发送请求
7 { p$ X- v1 Z& \8 M& o6 A - doGet("http://google.cn");, w4 R/ n: F5 ~2 @8 ?6 l
- }, A, q2 i+ C# r
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