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发表于 2020-8-25 21:17:24
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查看: 4364 |
回复: 3
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( W% g% o# r6 ] T% ^) S9 ^- #include <ESP8266HTTPClient.h>
* X t# E- @& u# F3 y - #include <ESP8266WiFi.h># k5 `* C, S" v
- #include <ESP8266WiFiMulti.h>- d# q& T# w2 |$ D4 ]
- #include <ESP8266WebServer.h>& U8 F# T( A' N
- #include <arduino.h>' v6 Z! I3 \/ |3 r
- ESP8266WiFiMulti WiFiMulti;' T* |6 s) P6 }& b9 e2 S
- ESP8266WebServer server(80);
8 g% V8 X6 {; `+ H" ? - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";) d: Q0 ?4 X; B0 l, X }8 j
- ADC_MODE(ADC_VCC);; R" z# c6 b9 M+ T
- void setup() {
" \0 W2 ^) T. |" ?6 {& P - Serial.begin(115200);
/ E' c: O6 t/ S - Serial.print("\r\n\n");: }+ }* i! O `" R7 f$ |
- pinMode(2,OUTPUT);$ }( }8 {! ^' O- E
- // WIFI6 j: j% [6 Z, l4 q
- WiFi.mode(WIFI_STA);
; z# P' |7 S( D( p5 l - WiFi.hostname("Sparkle");8 @9 _6 f. t/ T: k
- WiFiMulti.addAP("wifi ssid", "wifi password");
. a- S1 q* C* g- n - int tryNum = 15;, @5 K r, x. d# k
- Serial.print("Connect WiFi");
) U% s b; S0 W - while (WiFiMulti.run() != WL_CONNECTED) {/ d% ?& O- ?- y
- digitalWrite(2,0);
( t1 H/ b2 o* j% [5 }" { r9 n - delay(200);5 {+ a4 F# c- y8 V! q' \! P( ^7 u
- digitalWrite(2,1);& ^: c5 m- l% Q+ o, P7 S
- delay(300);: i# w" r2 {5 A) W B" s
- Serial.print(".");
# F+ o' y6 S1 w+ U1 D - tryNum--;
' o. I# N8 l) g: n - if (tryNum == 0) {" s% q& O; u; k0 m0 k: w- t
- // 1min( i/ A8 E+ [5 U- [ G# e; G+ _; A# x
- // ESP.deepSleep(60e6);
& N# `+ |1 B8 `3 g0 \ - ESP.deepSleep(0);% N- F8 ?: y. p
- }
% [, z0 H# a: d ~% D+ G - }: ^# N' \* F$ G* g. o5 d
- Serial.print("\r\n");
5 f" z4 Z( p% w, i1 j - digitalWrite(2,1);- }7 q3 o8 U7 t `+ F; z
- Serial.print("IP address : ");; }/ o9 x3 t2 D& h4 g; a+ h( s
- Serial.println(WiFi.localIP());* s. r7 Z' w$ l! x* R
- server.on("/", HTTP_GET, [](){0 l+ f1 }5 p/ @$ q4 H0 t
- server.sendHeader("Connection", "close");
! v% a/ ~, y$ i$ ?9 T* b - server.send(200, "text/html", serverIndex);
. S0 y- }" c3 S7 ]8 S9 ] - });$ n: O4 j, r7 T
- server.on("/update", HTTP_POST, [](){# b8 u; z0 U5 A, T: }
- server.sendHeader("Connection", "close");
3 @$ a( z3 a' m# S3 i; g+ U6 f d5 o1 d - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");- h8 Y }1 N6 v
- ESP.restart();$ e9 I! S' N; F; L4 O
- },[](){1 A/ n- e# A6 a
- HTTPUpload& upload = server.upload();& [$ |6 O" V4 v+ }
- if(upload.status == UPLOAD_FILE_START){( ]0 ]2 X2 B0 D: i
- Serial.setDebugOutput(true);6 k( Q/ S3 Z; D5 m3 {
- Serial.printf("Update: %s\n", upload.filename.c_str());. t9 @3 a& z+ B2 |' R% C
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;$ c" [& M+ U- F' P" D' m0 z
- if(!Update.begin(maxSketchSpace)){
, k8 `8 S- k# A - Update.printError(Serial);7 |7 c' M7 ~8 n* |" ~$ ?% x1 x+ H- t
- }. y" S8 t2 M6 t! j. C
- } else if(upload.status == UPLOAD_FILE_WRITE){9 }( C' Q2 \& P2 v# U6 e* I2 U
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){3 J/ G D& s8 P$ E# i; X4 h
- Update.printError(Serial);
* x3 ]% b! q9 _8 f - }
% T' x' A* ]3 N) J6 ]6 R7 h$ a - } else if(upload.status == UPLOAD_FILE_END){# {% N5 J! S: t6 z6 }9 s& n
- if(Update.end(true)){; @, C5 @# j6 V; h
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
1 g9 F/ s( W* V% B, B - } else {
1 t2 s( G1 k, ]0 F2 f7 e$ h - Update.printError(Serial);0 }1 t# q: c0 H$ v: Y
- }
( h" F" `8 h! P/ U - Serial.setDebugOutput(false);
4 J& n0 g2 W) D - }; q& U% Q+ L H/ J$ P9 C
- yield();" k$ P5 Y' R" [. `3 w" p: d9 I
- });2 Q6 o& e3 P% \* Q3 [' q
-
9 G; b0 E' p& P. F: `' J - digitalWrite(2,0);
u& ]0 j2 L" j - mainAction();
3 [; N2 a5 @ o/ ?% |$ _ - if (digitalRead(0)){
7 K0 ~# R/ _( N. i( L6 q7 E- v - ESP.deepSleep(0);
5 p8 H5 ]* E1 I6 q8 C - } else {
) o) m$ J( A$ d* }/ m, `4 \ - server.begin();
& `( w5 o+ Z" T5 R: J+ Y+ o) } - }
6 {. g( G9 w2 b& \& Q% \ - }
M/ r8 {9 X3 V6 ?# Q - void loop() {' y" g( y8 O' S9 |4 ]' [2 s
- server.handleClient();5 n, P; }: A( C7 u
- delay(1);
6 ^9 ?! }) |8 w& F$ z- I. `6 _ - }
2 y4 t# `* `! y! {4 | - String doGet(String url){
9 w) d( {6 S! @( Y+ ?4 n- p - if ((WiFiMulti.run() == WL_CONNECTED)) {/ o; L( u# L% {! o- l- I; H$ [/ Z
- HTTPClient http;
; U& u% ~+ r5 Y7 _( y& ?9 |2 E - Serial.println("[HTTP] begin..."); j4 S7 ~% l0 C p0 u
- if (url.startsWith("https")) {
' g) _& k* _0 }5 ^ - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
t: I9 p* T0 E, H5 B7 G0 @: c - } else {. ^. N' T4 \' j! s$ J% q5 A; _( \% t
- http.begin(url);8 f7 U# C$ s' \# C6 B1 G) {' y
- }
$ {' N& C: V. H - Serial.println("[HTTP] GET...");
8 N5 I* M7 S* v" P - int httpCode = http.GET();" f9 v1 c9 t1 s* [* }3 m$ G- _
- if (httpCode > 0) {
; C6 i2 C5 y1 O8 g: O& R/ w - Serial.printf("[HTTP] code: %d\n", httpCode);
5 j2 A; l2 A5 }& q( b% V - if (httpCode == HTTP_CODE_OK) {7 `% H: b9 K z5 T% ]) ]
- String payload = http.getString();9 l' G, }- V6 A2 s9 l9 i+ A
- Serial.println(payload);, x; p* n6 j. T( a3 a
- Serial.print("\r\n");
. {# x. i$ U- C, R/ L5 ? - return payload;
& Z! @, z1 D+ S) {! u3 b5 S - }
% U. F% @9 q5 C' J - } else {
4 u+ u3 f7 T3 v4 N' K - Serial.printf("[HTTP] GET... failed, error: %s\n",
( X5 y; _$ R# a7 j, C3 H( R6 K& t - http.errorToString(httpCode).c_str());. c- H# s3 A2 y2 T( h
- }" _5 N1 h! K$ z/ X5 `" v8 v# E
- http.end();7 t! i1 g' P, q, A
- return "";2 N( s9 I7 {% ~& h% K. k1 U
- }
" @. A: N2 G0 ?0 E+ ^! H - }+ V* a* I5 p" C( y
- void mainAction() {8 {1 h2 |5 M: m8 C8 a0 @& `3 H
- // 发送请求
7 a, n7 u1 l4 R5 C - doGet("http://google.cn");
" w3 F6 W' e0 T3 Y0 m - }1 [* F) ^7 s+ F
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