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发表于 2020-8-25 21:17:24
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查看: 4369 |
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): o2 M- z& r* d' L
- #include <ESP8266HTTPClient.h>
8 H: P D" W1 Q! M6 y3 M - #include <ESP8266WiFi.h>& h' f$ j% L# b
- #include <ESP8266WiFiMulti.h>0 Z4 k d' t( A& [: ?/ d: Q+ {1 o
- #include <ESP8266WebServer.h>
5 a& j8 C- W+ j - #include <arduino.h>& p, |2 k) M- q% {4 }; Z4 C
- ESP8266WiFiMulti WiFiMulti;7 {! C, J$ s5 f
- ESP8266WebServer server(80);, b! i# S& Y# v. [0 T1 i
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
8 E6 P. h" O! g S% @ - ADC_MODE(ADC_VCC);
2 Y6 d& r$ ]4 Q* T, ~ - void setup() {/ ^" y/ a4 V9 @& |
- Serial.begin(115200);. Y9 G9 o& m) V% p4 m ]
- Serial.print("\r\n\n");
& i8 W4 V: @& g7 b - pinMode(2,OUTPUT);' J: x6 \: }7 z ^
- // WIFI- E) ]4 ?7 t4 u. I5 _5 ?
- WiFi.mode(WIFI_STA);
1 a/ `+ K9 I/ T: Q. d - WiFi.hostname("Sparkle");1 _. o& T1 x# a0 z7 k
- WiFiMulti.addAP("wifi ssid", "wifi password");. M# W4 ^6 b$ w- `
- int tryNum = 15;
5 {! }2 G2 v- @4 f! O4 N0 w - Serial.print("Connect WiFi");+ i: G# p: P( [1 L# {
- while (WiFiMulti.run() != WL_CONNECTED) {! @' o3 b1 K( C m6 Q( Y' ~
- digitalWrite(2,0);5 S; t2 J: m8 b3 d
- delay(200);
! k+ Q8 J$ `0 |% b - digitalWrite(2,1);
4 E6 u: d/ X" {' w+ o! Y - delay(300);" n2 t0 i5 P7 ~$ d* t7 Y0 b9 |/ ?
- Serial.print(".");1 L/ m* ]5 J1 l4 Z
- tryNum--;
+ H1 C% v$ n# E1 \' _, y( i - if (tryNum == 0) {
1 u6 M# a) m8 N% [( m K9 E+ _ - // 1min4 Q- Z5 l, U6 j0 `8 n/ U6 Z0 r
- // ESP.deepSleep(60e6);
* w! x/ M3 X8 y0 P0 P! g. ] - ESP.deepSleep(0);2 x3 c7 A& m) W+ O" V9 ]0 r# z
- }' x; c: A/ |1 Q# z+ v1 j
- }" N: _0 c* z% N6 Y" w4 z' Q6 J
- Serial.print("\r\n");
; ~0 I' f; X4 A- v% N - digitalWrite(2,1);* {+ j) a* |9 [6 L
- Serial.print("IP address : ");6 I0 n/ M- a" z) h0 b6 Q' }
- Serial.println(WiFi.localIP());& {; n4 j9 V1 {6 n& B4 W; [' v
- server.on("/", HTTP_GET, [](){
9 f5 M) J& F8 d: w& r - server.sendHeader("Connection", "close");* g, v! P6 I: `& u
- server.send(200, "text/html", serverIndex);
8 v5 b4 V8 m" `1 _$ `( f: h - });
$ p( F; [4 S2 `7 h1 ] K( S' ? - server.on("/update", HTTP_POST, [](){: h* h0 T" O4 o& }, O
- server.sendHeader("Connection", "close");
$ F! T/ T5 } T$ j$ m# U% C - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");7 U* e4 v8 J: \" I0 J" Y p( w
- ESP.restart();7 N2 _" N" q( g l5 f, s
- },[](){
5 _* L( @8 b7 [! i: W - HTTPUpload& upload = server.upload();4 X' G2 F1 W) C# D2 L! ]) p
- if(upload.status == UPLOAD_FILE_START){: ?: u( C' G4 T2 X. T' {8 i
- Serial.setDebugOutput(true);
H- M7 P X0 c4 g( { - Serial.printf("Update: %s\n", upload.filename.c_str());( e( R+ J5 V& l( J8 |9 L7 y
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;5 b* g: g2 n: Q& ` x0 D% C
- if(!Update.begin(maxSketchSpace)){% M; L$ F: U" G0 @1 G6 U
- Update.printError(Serial);% H8 l' Y9 s. w7 O+ E0 y1 E- Y
- }
S. Y3 E0 _2 j( ]8 m4 B0 _ - } else if(upload.status == UPLOAD_FILE_WRITE){
+ U* o+ E5 F* N, l. Q - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){$ q% c! R3 g; B& N
- Update.printError(Serial);' V/ @( k, e% w3 {5 ~0 z
- }. `* X K" d" m' P! ?! o
- } else if(upload.status == UPLOAD_FILE_END){/ y* m2 R4 h/ d8 z% v0 X2 C l
- if(Update.end(true)){
/ }- v# R ~( l" @1 T( y! `! a* v - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
1 h0 I$ r, r" [+ S( R - } else {
3 U3 V+ [) g" _ d" j - Update.printError(Serial);
7 K& l' K5 Y1 e' W2 ?+ N. T; V - }
- X, l; I' m# \$ L6 |% a - Serial.setDebugOutput(false);
2 d5 ]+ i }, k& a9 c; l - }
7 v& z- _5 K+ _; ? - yield();
: `% y1 }) U4 E* O6 z# h" i - });0 {* \ o9 X- w$ d: k
-
+ t% ]5 H- _! v) u& P! O - digitalWrite(2,0);1 F; _& x D* ^/ o9 Q
- mainAction();! J! n6 c6 M5 [. ~, J
- if (digitalRead(0)){2 N6 Q. C! Z* x6 B5 @
- ESP.deepSleep(0);6 a- `9 [9 S" J3 L9 D' Z5 C
- } else {, _0 A" K7 O- g" [# z
- server.begin();
( ^) A8 |0 [. l' H$ a0 S7 [ - }
8 U1 {" H( J" `) B - }
% q5 j2 u& P2 V1 I6 Q& { - void loop() {
, r, b+ P+ q* P& h# S) F - server.handleClient();
& `9 s; f6 T% t0 {' b" A6 z - delay(1);6 j0 H2 j6 ^6 b& t$ I! y
- }1 b( _+ H' x7 E, Q
- String doGet(String url){5 `3 m6 L- p0 q3 Q% T0 @
- if ((WiFiMulti.run() == WL_CONNECTED)) {
3 }! Q, U5 M L$ } - HTTPClient http;
9 |1 X7 q+ D! m* v( w - Serial.println("[HTTP] begin...");( w! m7 ]6 u. v* _; e
- if (url.startsWith("https")) {8 ]/ s7 i2 v" N2 q
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");& k+ Z( S8 y# t8 s
- } else {
+ d9 X* [ I. I2 k - http.begin(url);
2 E; b6 l% B1 U( F - }
5 p% a- o6 R: g8 v2 \9 Z - Serial.println("[HTTP] GET...");$ L5 {2 u4 v7 @4 h
- int httpCode = http.GET();9 L2 l& l4 A* ?# w ^/ a( A2 u
- if (httpCode > 0) {1 c/ F1 o- R7 X& C
- Serial.printf("[HTTP] code: %d\n", httpCode);
8 J9 V w# i- h' q - if (httpCode == HTTP_CODE_OK) {
' R$ T$ \& c0 K! a; M - String payload = http.getString();
/ y( @' \0 _( o1 u. v/ C* @3 K - Serial.println(payload);
2 i9 r5 G5 s! M3 i - Serial.print("\r\n");- `$ H( d' T2 u- v" ^/ P3 J
- return payload;
; J ?8 Q8 k6 C' `1 e - }
' ~2 L3 x# q4 N. o" B4 ^ - } else {
8 J$ L! I3 l9 M G8 Y u - Serial.printf("[HTTP] GET... failed, error: %s\n",) `' _4 b; r5 Z
- http.errorToString(httpCode).c_str());
m) g, f1 E) r, M( I7 O - }
2 W, Z3 x6 q( e) A" s - http.end();8 r' j2 g$ A: E. O% g
- return "";
4 H3 R j+ ?6 A& Q8 B% }5 C - }
* t% k( f# Q/ H% U# V' x' l - }& E* n9 P: @& e+ a$ X2 h
- void mainAction() {
9 O6 \$ i5 t, V, ^2 b. M - // 发送请求
& ]: `* K& U. l, J3 A9 w1 ]* ^ - doGet("http://google.cn");
1 _* h0 n- k. z# J - }
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