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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)) C3 S# ~- X* O9 x$ r1 }% f
- #include <ESP8266HTTPClient.h>
$ n7 M5 r0 M* s7 I N( O2 ~ - #include <ESP8266WiFi.h>, s9 g& z- o" l( G. \: I/ a
- #include <ESP8266WiFiMulti.h>" i" l, `, m4 L! k8 W
- #include <ESP8266WebServer.h>( t9 A. ^ K$ `
- #include <arduino.h>$ R+ i% {$ U# b# F6 F4 }* f
- ESP8266WiFiMulti WiFiMulti;4 u" h; d% e) P: h2 h9 M
- ESP8266WebServer server(80);9 e1 [3 q* U' b: @: o' S2 Y$ ^
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";2 R& B9 T0 f$ I1 R
- ADC_MODE(ADC_VCC);% U' _( B" Y6 O; w
- void setup() {
! `. p# V7 X" q5 Y - Serial.begin(115200);
/ C3 I/ q9 E- L - Serial.print("\r\n\n");, l4 v3 D* x0 j, P1 g% i
- pinMode(2,OUTPUT);) c1 H% a7 Z, E$ q; G
- // WIFI F5 h' U* Q9 B$ U7 l* V/ n
- WiFi.mode(WIFI_STA);
, Q5 [2 N9 ~: u7 q - WiFi.hostname("Sparkle");
* M8 D9 M# g' J+ i2 U$ Y - WiFiMulti.addAP("wifi ssid", "wifi password");1 `( s8 B; ]* q) Y9 ^6 U
- int tryNum = 15;
1 D2 Q4 O w' L' R2 ^# h - Serial.print("Connect WiFi");4 o! R$ N, x) i6 m' K: ~( b
- while (WiFiMulti.run() != WL_CONNECTED) {
: J1 k6 ]7 d D' Y5 e0 \2 \ - digitalWrite(2,0);
; Q$ ^$ `2 p+ j* B- s7 R - delay(200);
+ n# K3 N) ~$ _" I2 { - digitalWrite(2,1);* o7 Q/ @) M8 v2 c9 t8 I
- delay(300);- R5 f0 ^6 _ D# h; o5 f
- Serial.print(".");
. F, D, D. L7 p @/ n - tryNum--;
# N0 H9 s6 L/ V3 K C - if (tryNum == 0) {
1 U7 S9 N0 p/ y - // 1min8 e1 F0 D% k7 |6 L! t! h' ]
- // ESP.deepSleep(60e6);
* f' Z4 u) k# I! u- m7 B2 J - ESP.deepSleep(0);# U, c% y( k: }) w
- }
, I9 Q9 Z3 f* t* _ - }5 }7 c( T' e+ g8 z2 A
- Serial.print("\r\n");" a& ~ }: T- w6 m4 @
- digitalWrite(2,1);
. C0 _3 o3 X O1 A! o! b% D% ^ - Serial.print("IP address : ");& H" N: M$ I _1 l
- Serial.println(WiFi.localIP());9 G* }# g9 d* E3 E/ v! ?0 Y
- server.on("/", HTTP_GET, [](){; R* G2 p; `2 a6 V5 x9 P/ V+ l
- server.sendHeader("Connection", "close");" N2 ~# U# p3 W& B- b5 J
- server.send(200, "text/html", serverIndex);
! @6 f$ q1 I$ c6 o# Z - });
* k# }/ f8 ?/ ?9 X8 T+ t! O - server.on("/update", HTTP_POST, [](){
/ O# \9 T6 E9 ?: b+ o - server.sendHeader("Connection", "close");
, K/ e, k7 \' h/ g# M: _* b4 Q - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");3 }: a( S& z3 R
- ESP.restart();; |5 Z3 j7 j: B& y# S5 a! N
- },[](){% J/ O) P, x" L; y) r; {' J) z
- HTTPUpload& upload = server.upload();* ?/ g8 E* T, J# z* L% i
- if(upload.status == UPLOAD_FILE_START){
3 d/ B2 ]! s/ S. _( ? - Serial.setDebugOutput(true);
* C; H+ H$ n. G2 C% D! C: Q: j - Serial.printf("Update: %s\n", upload.filename.c_str()); ^; ]# Q7 r' x4 Q% F" h4 P7 p
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;' K, q; |2 y/ `; s, M
- if(!Update.begin(maxSketchSpace)){
$ p" t% w- x4 l3 n: S# Q# M+ k - Update.printError(Serial);
; O) U, A. J; q7 C+ Y - }
/ z4 e7 B8 U: U% X2 I - } else if(upload.status == UPLOAD_FILE_WRITE){$ u2 I. ~) j; l% h
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
- L2 T& F# Q& P6 G - Update.printError(Serial);5 d7 A$ H/ }* z7 W
- }
6 }2 P# A% |( Z! n - } else if(upload.status == UPLOAD_FILE_END){
) K+ j4 s. ^; x# X8 { - if(Update.end(true)){3 q( E2 q+ y& O9 g! p
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);# H+ ^7 \( n) ~8 r) B* K1 h
- } else {
& l1 b! }' C8 D0 Q- l4 z3 X - Update.printError(Serial);/ J. W7 ]# \& A# [1 ^+ c0 e2 a# w
- } v! j7 }' x" V. v
- Serial.setDebugOutput(false);
1 t8 S1 g C. H+ T8 T( v o - }! u( h- t$ N' d9 O
- yield();6 n- y$ Y4 V- s* c
- });8 D6 _% x% ^& e' ~
- 8 k5 S4 c ?, g$ U3 n- [% Y
- digitalWrite(2,0);
4 s% I- \! L& T6 j3 \* N- D) A9 ~ - mainAction();$ p8 D, C* y. R. U$ r
- if (digitalRead(0)){
5 S7 A& P5 G* e1 h( ]# b* D# G+ ]9 q - ESP.deepSleep(0);4 P- B6 x2 [# t' G# e% \
- } else {
& t" a, _0 j( |) t: H - server.begin();
1 G: q( Q7 u1 Z' y- u; w - }
8 Z- V1 o- j; Y. X4 t9 M: Z - }7 U# A2 H7 m f0 K& H
- void loop() {
! b2 b1 T; D2 h. X4 i+ q& C" \8 R" w - server.handleClient();+ g: w! D" K/ h) L I P5 Z
- delay(1);2 n. g. { M t. f! z9 O
- }
; ^8 @8 m4 l8 w8 i - String doGet(String url){
7 i8 @# i6 T- n v8 v' T. k - if ((WiFiMulti.run() == WL_CONNECTED)) {
9 [3 g: N' H( t2 T% J - HTTPClient http;6 O* m T% Z2 `7 \$ L% J, V8 ~
- Serial.println("[HTTP] begin...");
) |3 F. k# O4 D4 ]/ ^! h, }7 m - if (url.startsWith("https")) {. Q$ M+ ?$ a( y( b! g
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");. s* ^$ q4 p$ D9 d- J" J: t& }
- } else {3 T# @+ c; I1 b3 N5 S6 @3 B, M
- http.begin(url);3 C; L- l, g b' Q- a
- }$ j7 A; K' W, P* z5 B5 J- h5 Q
- Serial.println("[HTTP] GET...");
% |& P$ j" Z3 o# Z# H d - int httpCode = http.GET();9 `* l$ M' V1 M( O. Y$ J
- if (httpCode > 0) {! s5 \0 }/ r- b: d; [
- Serial.printf("[HTTP] code: %d\n", httpCode);, p, G( K0 H! i. P p
- if (httpCode == HTTP_CODE_OK) {- p4 w$ [6 n; k& n: ?
- String payload = http.getString();' {& X/ u `) T, B- G
- Serial.println(payload);% E6 O# O3 u$ }: }, }# Q
- Serial.print("\r\n");/ V; c" J+ _9 N( J: `7 _% u$ F- e( f3 c
- return payload;% }" ~* S! @, M& r. }
- }
) x) c7 K/ g+ L - } else {9 Q9 S+ ~ q& C3 V5 ?% w3 s
- Serial.printf("[HTTP] GET... failed, error: %s\n",7 W3 T1 I* x, D& T K6 x$ k" u
- http.errorToString(httpCode).c_str());
, o, n4 f0 C+ u' a - }. t; `3 D. B* {/ f1 h3 {/ @
- http.end();, R; N% @6 B: j3 z+ C' ~
- return "";) ~; E" z i4 M0 t$ z+ c
- }
$ C |4 V; U* d) u5 ]+ O4 l - }( j1 F! G( L& W+ z
- void mainAction() {
( v, J2 j* A3 f9 D - // 发送请求4 G8 X1 B0 m1 r8 L) S
- doGet("http://google.cn");# y' Q6 b- f% f9 p
- }
- E" E% H' ~) y5 O* q H
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