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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)& I7 A& s H7 j7 o9 \
- #include <ESP8266HTTPClient.h>% n+ P5 B8 K% {8 d+ D/ Q' p; V
- #include <ESP8266WiFi.h>3 L" R+ x) I5 L4 \9 c* O$ m
- #include <ESP8266WiFiMulti.h>
1 M6 o" H( j5 w. ` - #include <ESP8266WebServer.h>* b, ^$ p+ \6 i
- #include <arduino.h>
' l5 _; n* \' N4 B - ESP8266WiFiMulti WiFiMulti;
) J/ t! l [7 `0 g - ESP8266WebServer server(80);! y) X" B# [ l! ]. }: U4 V5 Y
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";) ~5 ^. z' W$ d8 N% z
- ADC_MODE(ADC_VCC);
4 D# q- T( N9 S; ]" N8 t- e - void setup() {( e( [ T k' X
- Serial.begin(115200);- V. n" ~4 O) n P! v+ M
- Serial.print("\r\n\n");0 w+ Y1 M0 `: P5 r$ {/ q6 z0 k
- pinMode(2,OUTPUT);
8 l9 R9 t2 z: s& R2 T4 C) } - // WIFI* O8 S* q7 S6 H
- WiFi.mode(WIFI_STA);9 o% l" v. X8 T+ T
- WiFi.hostname("Sparkle");' x. z0 h6 L: w8 H' _
- WiFiMulti.addAP("wifi ssid", "wifi password");% |: R5 s# |+ I5 k% P
- int tryNum = 15;
; k) I. E! F2 ]: Q - Serial.print("Connect WiFi");- ~6 z0 t+ O0 P- r8 w
- while (WiFiMulti.run() != WL_CONNECTED) {
# D, G4 Y( l# n6 W2 _- y( y! I- p - digitalWrite(2,0);
9 ?: D& d$ V6 i' d, v5 V& [7 ^ - delay(200);
7 F3 m% \+ B! m: R# d - digitalWrite(2,1);+ r q" k( |$ r9 b! p0 O8 l; X. |
- delay(300);3 o/ s% T: [/ Y6 u" m) d
- Serial.print(".");
" m9 O, y9 G# O3 z% c7 G* o - tryNum--;( p6 A; K1 w" f4 M; R" t% x* J7 u
- if (tryNum == 0) {
! x! _* y9 x0 e$ _, m9 ` - // 1min$ S4 J8 h: [( P$ R
- // ESP.deepSleep(60e6);& [9 H: q# l$ W Y2 ^
- ESP.deepSleep(0);! t+ T8 ^, \6 V) w: Y
- }
4 H$ K) _* K0 h/ I% ?. W - }
! D5 g) q3 p/ t5 c. e! k - Serial.print("\r\n");
: B. I* v) R U0 w+ |7 { - digitalWrite(2,1);
) ~5 Y5 t6 R* I6 f% X1 ~ - Serial.print("IP address : ");% Y% h! A, ?2 g# G
- Serial.println(WiFi.localIP());& i# [+ ~0 f: h1 t$ u
- server.on("/", HTTP_GET, [](){
& p1 G7 u Z5 v; E7 Y - server.sendHeader("Connection", "close");
1 o _' M1 l g9 j4 r7 B; M - server.send(200, "text/html", serverIndex);2 ~6 {, {1 \. {( I
- });9 r Q* y. h" b3 d4 A% ]
- server.on("/update", HTTP_POST, [](){; o6 I9 p) f. _! K" w
- server.sendHeader("Connection", "close");
5 S; c- H+ Y. Z/ b/ H - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
6 H4 J6 l' k% { - ESP.restart();' E$ m% A8 |. E4 w4 u
- },[](){
% B& K$ ^3 t- B3 j; b, a5 q - HTTPUpload& upload = server.upload();) Z ]2 x. Y& I8 @
- if(upload.status == UPLOAD_FILE_START){
( F9 C5 \- c& r( y# E. P - Serial.setDebugOutput(true);) _/ F' ^6 Q& n$ Z
- Serial.printf("Update: %s\n", upload.filename.c_str());
, e; x8 ~' n( a( {& l$ Q7 S2 y* h - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;1 m& z& K, h2 j- r# c/ o
- if(!Update.begin(maxSketchSpace)){- C4 \" F O0 r1 D# ^, U$ N
- Update.printError(Serial);. @7 t# q1 T; ~7 D" V5 d0 y9 e' y
- }3 E9 u4 Q" L% g# x) T* ]" f% U
- } else if(upload.status == UPLOAD_FILE_WRITE){$ y' o" @7 h1 B2 G4 K6 F O
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
0 K8 p! g5 f5 H+ u. U! b - Update.printError(Serial);% q2 [; H2 L9 n/ P! w) ?
- }+ G" g; ~2 z% I, Q& R5 j- p, c
- } else if(upload.status == UPLOAD_FILE_END){/ k. h- p L, P6 d* G Q0 K1 O8 d) W
- if(Update.end(true)){
/ M( L: X: h2 K4 K, A - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);! q8 C. A" b. N5 V. C. \3 M
- } else {
( D: s6 y/ d: I7 i" J( Z' e - Update.printError(Serial);+ Q) C& e) I8 p! Z- Z; V
- }
3 p2 O( Q( y* _ - Serial.setDebugOutput(false);; m8 @" E( { r5 t; U# |: X
- }
) d1 j* M- N: H7 ~& P# w* K' p; T. y - yield();9 }! `; ]& Q' U4 [! f6 @9 |
- });
+ A- D7 C; {7 G -
+ Q, Z( l* N2 i3 B1 l3 Y - digitalWrite(2,0);- r0 t+ E8 J# l# U- q$ _6 x
- mainAction();. \) u7 w3 \4 a6 F% g5 o- k$ Q
- if (digitalRead(0)){
8 X* l0 Z$ F8 b# ~' ^9 ] - ESP.deepSleep(0);
* m+ ] K2 G" `) A' a8 K# F6 i - } else {
4 a. I. B" n: P; i& O - server.begin();# @# G) Y. E) b6 D
- }
4 `1 u E8 I0 F$ F3 @% m0 Y" g. t/ d+ `7 @ - }
# h! Z4 V- z. r1 d' Q - void loop() {6 \0 z' l e; o; i& Q
- server.handleClient();
4 [3 Y( [; M" n" j$ j - delay(1);
4 D( b7 g. j. R: R - }, O$ o0 f4 Y. P+ k8 E3 t
- String doGet(String url){
+ b' {( d: _7 j- p9 o - if ((WiFiMulti.run() == WL_CONNECTED)) {
& k8 ]! _, x+ E# @% f - HTTPClient http;4 G. ]& j7 X; u: p
- Serial.println("[HTTP] begin...");
, N3 w+ f5 g, } y+ O1 d { - if (url.startsWith("https")) {
$ z& T: E2 Q! L4 K - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
0 z0 j: K7 K: q4 c9 F - } else {* P) M! P1 M5 g2 }. D
- http.begin(url);
) S. V j$ T' e: U - }) o' o+ {$ `: i' d5 S
- Serial.println("[HTTP] GET...");
, n2 H5 L, t+ }1 Z8 \' q7 A) T* j7 ? - int httpCode = http.GET();) w3 N: T+ c/ r, M0 G: w+ }0 ~. P( D- ]4 d
- if (httpCode > 0) {# F5 C$ x' B% P
- Serial.printf("[HTTP] code: %d\n", httpCode);
/ e) [9 ]5 S6 J2 H4 `# J. s+ n - if (httpCode == HTTP_CODE_OK) {
) V; ^+ ^( G+ r- }% P1 F - String payload = http.getString();8 {. t$ f& h2 Q
- Serial.println(payload);' B" j" {8 W8 I# R' W
- Serial.print("\r\n");
. [& K! `1 V6 ?& I7 V - return payload;4 U, [- ]% d& E+ Q* X
- }
) T3 Z# G8 i. _4 r- {/ D; N8 Y - } else {
5 r4 I% F8 M3 z! y- T0 h/ }8 J$ y" ] - Serial.printf("[HTTP] GET... failed, error: %s\n",: }/ e; T9 I# Q1 S: q# i
- http.errorToString(httpCode).c_str());4 J6 o4 `/ ~7 x5 s
- }
0 P4 k& \8 E5 I; g! \ - http.end();
! t! S1 x# A! H3 L/ j - return "";
. ^5 U0 Q, K( o6 A2 h - }( _: w( ?/ N3 `1 T- X* C f1 k
- }! Q# o/ \, m: J) d, e! S
- void mainAction() {
; v) j5 D; f5 B+ Y/ n5 T - // 发送请求" m8 f6 Z$ V2 N5 Q/ ]; k5 m$ n
- doGet("http://google.cn");
- D- s4 J8 `: u6 d* } U - }7 t* l) O' j5 e0 D1 ?, P. x
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