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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)6 {# U+ |9 r* u0 P
- #include <ESP8266HTTPClient.h>0 y! {2 K; t+ k' J
- #include <ESP8266WiFi.h>
. R3 U2 O0 o8 `2 C - #include <ESP8266WiFiMulti.h>
$ r, Y; Z0 h' @5 m- W - #include <ESP8266WebServer.h>
2 ?3 I$ j# D4 p4 X- n+ K - #include <arduino.h>7 W0 _- T1 U& o, V
- ESP8266WiFiMulti WiFiMulti;
$ { j% f9 |% y - ESP8266WebServer server(80);
/ q# |9 _1 m1 n6 i g2 U* v - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";1 m L, h' T8 ]# _) O) {
- ADC_MODE(ADC_VCC);; n2 Q7 u, }( J; j3 v, d: F2 \
- void setup() {
( ]- n7 l5 F' H f( \7 X - Serial.begin(115200);. ~6 I4 k1 {/ H( i: y- T) V
- Serial.print("\r\n\n");1 R, y4 ]; h/ E3 p, e. I3 u6 a
- pinMode(2,OUTPUT);
! T( k2 h5 S3 a- b# O. }8 Z% C - // WIFI' Q2 l+ K4 F( e. l3 e! x' g9 `$ {5 h
- WiFi.mode(WIFI_STA);
! g) i/ `4 T! C* N - WiFi.hostname("Sparkle");" [3 S4 O" h$ e: u
- WiFiMulti.addAP("wifi ssid", "wifi password");/ s5 {) o0 ~( d7 \
- int tryNum = 15;
( I/ L1 C# l7 o% I1 v( v' V( b - Serial.print("Connect WiFi");
' u' i; k' S1 Y- V$ [8 [ { - while (WiFiMulti.run() != WL_CONNECTED) {4 r/ T( R. J# Q K0 G& A# N6 K
- digitalWrite(2,0);
- o6 B+ b$ C) G5 P6 x - delay(200); [ Z* y( A7 r. X
- digitalWrite(2,1);$ G8 y& w. T) _
- delay(300);
. a# Y8 {6 L2 A) _7 ^- k - Serial.print(".");
b: ^+ ^% X' n" l- t5 s - tryNum--;- W2 i$ r9 v; | x# c( K
- if (tryNum == 0) {7 C7 Z0 s4 b5 L" H* L! G% u% m
- // 1min' s! B/ m4 y5 ~6 k% R; t" \/ F- J
- // ESP.deepSleep(60e6);
3 i! @& ^% m# M2 v, c - ESP.deepSleep(0);; F t+ Z" S3 E# x6 ]
- }
6 f5 g2 R, ~- O - }$ N" n p) U: Q' J
- Serial.print("\r\n");* F1 T& N, t6 c; U2 U. H4 l# H
- digitalWrite(2,1);
0 T0 L% I% D! l# m4 K6 K- h1 |! O - Serial.print("IP address : ");
& z; i0 x+ _: N# l - Serial.println(WiFi.localIP());
7 {) ~1 m# ?8 S: ]7 s - server.on("/", HTTP_GET, [](){
) z7 w1 e: `# u; B( r* w: g - server.sendHeader("Connection", "close"); ]8 D9 F- k7 q! X$ ?) a
- server.send(200, "text/html", serverIndex);
* B$ Y1 x. n8 z* N2 W4 g& z+ G - });
; F8 Q) K* v. E4 g0 L1 A - server.on("/update", HTTP_POST, [](){
% G! `- G" a) L3 _) m+ g - server.sendHeader("Connection", "close");, j' R) Y+ w( U3 B0 f3 r
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");+ J* x5 Q6 Q& l3 g: g, f
- ESP.restart();
# c# f3 o. l7 a2 u' J - },[](){
0 m0 J9 h2 l; Y: }6 \+ Y - HTTPUpload& upload = server.upload();( {: ?9 P. F: J" N, C
- if(upload.status == UPLOAD_FILE_START){
7 |5 K; l" K: e - Serial.setDebugOutput(true);
4 W% s B8 }! }: K9 ^7 { - Serial.printf("Update: %s\n", upload.filename.c_str());; ?+ U4 k4 i4 F; q, i
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
$ O+ d1 N9 F3 M- }8 f) S* _ - if(!Update.begin(maxSketchSpace)){
$ w4 I! b' v7 G8 r% |' l& u - Update.printError(Serial);; y" O3 p; x5 p0 G/ B
- }/ W# Y3 h U7 D5 P8 }2 ^5 ]
- } else if(upload.status == UPLOAD_FILE_WRITE){
4 }& Z% ^) s i- c. ~ - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
4 K' w+ c* ` d* Z* W7 H - Update.printError(Serial);* Z* [. D5 {7 u# Z$ ~9 e
- }
) z% J }7 L( N4 U; }2 K. T - } else if(upload.status == UPLOAD_FILE_END){
x, Z! w& z5 G6 s" x! r$ W8 l% h3 b - if(Update.end(true)){% d& G1 b& h/ s% \ U8 f5 F
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);8 I, ~4 t/ I, W- A. O) y' G$ g, n
- } else {1 g/ v6 ?/ A" g- V( V7 j
- Update.printError(Serial);
( ^9 ~8 `/ ? w5 ^9 `+ _ - }
; ?' l' [$ h/ A. D6 h O: G - Serial.setDebugOutput(false);
9 c6 `' l: q7 W1 X1 P3 P - }
: z. M( e" n$ L5 n, `6 _( A3 K - yield();
7 o3 A/ \, h! V0 ^$ a0 e8 J - });0 J) Y; B6 L0 }! F
- + n: u5 N% b! c7 h' J& M0 O3 ]
- digitalWrite(2,0);
, T& Y6 N t3 B2 m, Q, V - mainAction();6 ]+ A1 K. y7 X1 K- Z$ H
- if (digitalRead(0)){
5 B; O; H, U" U9 t& x - ESP.deepSleep(0);
# X( U8 @& n* B+ c3 v& E" I0 v - } else {
' |% E$ r% U8 I# x# Q* s- O - server.begin();' Y% ?% G1 E. k' C
- }4 g t3 K, O, L/ i3 O& o+ l
- }1 V% B8 i3 l; f$ a
- void loop() {( \, n+ N" j9 [# S+ @' P6 d8 p* t
- server.handleClient();
9 K; T& Y* j0 H }( t: W - delay(1);: x- Y, W2 H7 b. Y" n' n. E
- }/ W8 N$ ? l* q0 v l0 z- s. C
- String doGet(String url){
/ s1 F' U& O" m - if ((WiFiMulti.run() == WL_CONNECTED)) {
; V: c% |( M# s- l - HTTPClient http;( t! C8 I" M; f# Y2 D" [
- Serial.println("[HTTP] begin...");0 |! ^4 s& N, G
- if (url.startsWith("https")) {
1 c, ?/ Y+ ^4 o/ s9 p - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
& c+ u" g( q O0 } - } else {
/ x; q1 f8 [, n4 f" P# H - http.begin(url);6 K- q) j* e8 k/ X* T
- }
6 r- P! g; |1 p$ z2 Y9 A - Serial.println("[HTTP] GET...");
. E9 c/ T8 r' v; X( h( t - int httpCode = http.GET();
) Z4 v- S2 U- f( i5 r6 p2 ? - if (httpCode > 0) {/ K2 m. L7 U w3 O4 n+ c( h
- Serial.printf("[HTTP] code: %d\n", httpCode);+ w7 H* a9 N: ]5 [/ s6 {
- if (httpCode == HTTP_CODE_OK) {5 N- z- @3 e7 J$ }- u6 l* f* W
- String payload = http.getString();# N1 l9 h8 p, [- ~: K& r
- Serial.println(payload);
1 D Q$ T7 a! G$ P) j - Serial.print("\r\n");0 n q1 @# Q- q& R
- return payload;6 i0 h y7 n6 c& L2 u5 U
- }
* K. W. |7 l4 F: C9 h1 u - } else {4 I6 U0 Z; H( h! i' C6 g
- Serial.printf("[HTTP] GET... failed, error: %s\n",+ e( Z# O+ r1 ^$ E6 }6 a" x6 s
- http.errorToString(httpCode).c_str());
; k! y7 X$ F9 m, d! O! c - }1 J+ s/ f/ o+ d+ A3 i: H9 D
- http.end();
+ q0 F' ?0 d5 D' Z- h) @: J - return "";0 Y% E. @, ]- Q
- }! r( C4 c. Y( m6 U* K: `
- }5 }5 k; x7 R0 |
- void mainAction() {
. B* b5 R$ {& w( J" E/ r9 o3 A - // 发送请求7 R& x( h) A8 Z
- doGet("http://google.cn");
9 y) a6 C3 G7 O, |, b - }& F$ @2 r9 H6 q( y, q6 W
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