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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)* e' n( h1 Y: ^" L
- #include <ESP8266HTTPClient.h>
2 w; d9 C2 S/ z4 ^& B - #include <ESP8266WiFi.h>
& C3 C. T! A8 |6 }7 _. `1 t- [1 \# z- \3 Y4 L - #include <ESP8266WiFiMulti.h> H* w# f& i3 a
- #include <ESP8266WebServer.h>! e/ n# S# [! X
- #include <arduino.h>
6 }1 f. t& H% Z S5 Q - ESP8266WiFiMulti WiFiMulti;
' x1 R+ S8 ~( Y - ESP8266WebServer server(80);. ~' E7 Q# o: X! u+ y" o: \
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
! Z/ o- v2 G6 N+ u$ @ - ADC_MODE(ADC_VCC);2 A; b4 _/ i5 Z, N# }5 e
- void setup() {) y1 z2 k2 U9 c
- Serial.begin(115200);+ q% H) Q* O2 Z6 Z
- Serial.print("\r\n\n");
9 o, i t) L: A' l2 ? - pinMode(2,OUTPUT);
# C: H* a0 X8 z - // WIFI- Z6 u3 ?& F( f1 @. j% }
- WiFi.mode(WIFI_STA);0 K5 h& x% q) D R
- WiFi.hostname("Sparkle");
, f# T% g6 F, U! r' q4 j3 |" l - WiFiMulti.addAP("wifi ssid", "wifi password");
% z; o$ g+ \1 Q3 u/ t+ a/ H - int tryNum = 15;
* ^/ H/ O/ D& \. a1 i8 J; J - Serial.print("Connect WiFi");
* a6 f; b$ i9 t6 g - while (WiFiMulti.run() != WL_CONNECTED) {
2 j: L5 V" D3 z/ R1 o. V9 A - digitalWrite(2,0);
6 L7 L: |! C1 X l, O - delay(200);4 O9 n5 T7 \0 f" I* I" S/ t% {' r
- digitalWrite(2,1);1 {% s- f; z& S( q6 k. d
- delay(300);# ^7 G4 B, X6 z" }' E) w
- Serial.print(".");
8 R, c8 E+ [& O) _: x - tryNum--;$ R9 N( E. j' @ f9 \( x6 r
- if (tryNum == 0) {/ W& E5 E0 `3 |& y6 ?. Q
- // 1min
, Q, |4 d M- @3 {0 B: O5 `& X) ] - // ESP.deepSleep(60e6);6 k. B6 }5 r+ M7 n, y, _) p, X! f
- ESP.deepSleep(0);
! C9 V. {% ~* n2 d* X5 V) F - }
; @: {" D8 _& i, q - }
4 L0 ?7 _4 o; |) I0 a& g+ c - Serial.print("\r\n");" s4 ]/ k) |7 u3 W0 k$ H: X, n
- digitalWrite(2,1);
0 D2 c4 t# Z- u2 q' S* I - Serial.print("IP address : ");
/ Y; m! D! H' ^/ l& q* ~" K" Z! W - Serial.println(WiFi.localIP());/ [) l, g& h m- g: I. a9 r# B
- server.on("/", HTTP_GET, [](){6 q. z! f; g- p6 E8 k. l
- server.sendHeader("Connection", "close");) b I/ I' R9 t# m6 r# |
- server.send(200, "text/html", serverIndex);
5 y! R+ z2 ?- C k# m, D W - });
) z4 k) K, l6 X Z. q4 ]9 A" p - server.on("/update", HTTP_POST, [](){5 y+ O1 S* c0 L: I
- server.sendHeader("Connection", "close");: I# [# ~# i% i3 X; W
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
+ d9 i( Z. u' @1 [2 B# J& A/ v - ESP.restart();8 c; s8 f4 K; H8 O' a! d
- },[](){) M3 M/ ~& d1 O( T/ ~! B* R8 x
- HTTPUpload& upload = server.upload();: D( [. B) m& L+ U1 S1 V# J+ q
- if(upload.status == UPLOAD_FILE_START){
: ?. C7 O. o& S - Serial.setDebugOutput(true);
4 J$ ?7 `0 R! b$ Q, t* V+ D- C - Serial.printf("Update: %s\n", upload.filename.c_str());
, q: Y: S9 i6 i+ a7 @9 o4 N. C - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
5 h7 f0 O$ u$ }! p1 s - if(!Update.begin(maxSketchSpace)){
L; N+ J! s5 I) E+ Z- q; j - Update.printError(Serial);4 d& B" X! C& R/ B5 o0 I, H
- }/ a; k4 R0 y' B8 p0 h( ?
- } else if(upload.status == UPLOAD_FILE_WRITE){
' k6 A- `9 e7 i2 {" O5 G2 Y - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
* h3 M7 S2 ]; d( s( u - Update.printError(Serial);6 o' j3 d1 g- c) D+ J9 l- D
- }2 S2 n- c; k! ~& f
- } else if(upload.status == UPLOAD_FILE_END){) o! O9 G5 W1 c$ E6 s7 A* }1 ?
- if(Update.end(true)){* P+ X# l) o" w
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
9 T6 S3 c1 C6 a - } else {! ]' }+ ^$ @/ _9 f5 L
- Update.printError(Serial);
* H& U- {5 M! }# x3 E, F - }) ]+ E* Q1 i! p l) S& a
- Serial.setDebugOutput(false);& X5 w% u5 O0 F, r3 u9 r
- }( e# q) |0 M- r h& Z7 e) O# ]
- yield();
" ~0 w/ x8 r/ d6 x0 J% w* ?9 b$ M- K - });
) x1 [/ u: Y0 t, r2 m. Q -
3 |8 U/ {7 D1 d/ ^* A1 j - digitalWrite(2,0);* {$ T$ U) }/ i# N5 F$ O: I( k2 f
- mainAction();
1 `' S) ]; Q+ H2 ^ - if (digitalRead(0)){
/ Y6 Y' M5 Y F" g* E, \/ N3 f( v - ESP.deepSleep(0);) E8 s5 G; N8 y& |* Y- w- X
- } else {
6 Y+ w- \5 o0 ?0 X/ e2 _ - server.begin();- ?& o' T5 u- G6 t6 I* p
- }
5 Q/ N, s" d2 _. d+ q- `5 m( ^1 d - }7 s5 i- G6 e/ F( b& Y% p9 _
- void loop() {1 F# v- s) b" |) Z+ H
- server.handleClient();
0 J7 \* x$ _+ a x - delay(1);; l7 k/ O, c* W E2 n' A$ e
- }/ V: }+ Z+ ]+ d- j1 u+ a
- String doGet(String url){
- r# s) U. s8 S5 Z& [* C/ F - if ((WiFiMulti.run() == WL_CONNECTED)) {
0 n% K& I) G+ K& a - HTTPClient http;7 O; ^3 H F3 ]4 |6 D" v
- Serial.println("[HTTP] begin...");
/ E3 o$ O6 _; S/ U. h. l9 g - if (url.startsWith("https")) {# {& n o8 l; f) l, Z3 @3 S
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");) U. N) }/ Z+ s `
- } else {2 U) C$ [$ K0 y. w7 t
- http.begin(url);/ a8 J! T4 S8 K) P" f
- }' |1 P. L7 T) Q
- Serial.println("[HTTP] GET...");
4 h& S9 v9 T; ^" H& A - int httpCode = http.GET();
4 M/ @: v9 I. N/ ]2 Y7 { - if (httpCode > 0) {7 t& {4 m2 Z/ g- H: z& B1 _4 L5 M
- Serial.printf("[HTTP] code: %d\n", httpCode);6 N$ X. i5 s/ b0 `- d6 U
- if (httpCode == HTTP_CODE_OK) {
1 N- R. v& i, b W: D1 v; N+ P: ^ - String payload = http.getString();
. `2 w' {8 S" o5 y s - Serial.println(payload);
' {2 {; s+ W+ b" B6 v* { - Serial.print("\r\n");* c5 J3 Y9 Y, S, [ g: y
- return payload;( h+ V9 b4 g! w A+ l
- }: @9 l" x. N/ Q2 Z5 p
- } else {
2 a# V5 Z* m6 v1 m - Serial.printf("[HTTP] GET... failed, error: %s\n",
% D. f, \) T5 q, Q* x2 g; l& x - http.errorToString(httpCode).c_str());
$ \0 U1 E( e/ z9 j - }2 t! k ]+ N+ ?: S9 f
- http.end();
' K' l& D- B2 [- g l+ h' K - return "";
( T, e" X& |8 N: A9 w3 c' Z& l - }2 H0 i) M) a" W' }1 S
- }
% g4 g( S4 u& t; h - void mainAction() {( n- i5 m. e' f
- // 发送请求
: H' V: v3 n2 |& e - doGet("http://google.cn");
! h% k+ w5 m% g$ t: l# Y( u - }8 r8 T% Y- g# D* A4 I
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