|
|
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)
/ W; ]8 R( V# s9 Q4 l- #include <ESP8266HTTPClient.h>' c9 c% T+ B- S e7 A
- #include <ESP8266WiFi.h>: J% A+ w/ \/ p5 R) B
- #include <ESP8266WiFiMulti.h>
5 U/ g, {5 E Q1 S0 y - #include <ESP8266WebServer.h>
% [2 |2 i9 [( d: N; q - #include <arduino.h>
& X4 X) D$ \9 K3 U& d7 F - ESP8266WiFiMulti WiFiMulti;
3 {4 ^# F+ q) m6 S7 X - ESP8266WebServer server(80);
6 M: P7 e9 [8 {: Y% o6 P0 T - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";/ j% F& q4 k+ M7 Q) \" j) I
- ADC_MODE(ADC_VCC);
' u# m( O3 l' h4 I - void setup() {. j X8 d9 R& E- w" C. Y+ s: e
- Serial.begin(115200);
`! I+ f2 c7 L* s. K - Serial.print("\r\n\n");4 \& } M. D) X7 s& Y
- pinMode(2,OUTPUT);
! q' ]( w+ B. i) c+ K6 m- ` - // WIFI" P! s% w6 B; j( ^
- WiFi.mode(WIFI_STA);
5 I, x1 T7 h- u* f; n+ r8 c - WiFi.hostname("Sparkle");' A; Z; M9 J' }' Z
- WiFiMulti.addAP("wifi ssid", "wifi password");# O6 e# ?, d4 M/ K% E: }
- int tryNum = 15;4 |9 q% c( N9 {* O( r) M, c! J
- Serial.print("Connect WiFi");
8 g6 t- }4 L* \9 u8 d& u; q" S - while (WiFiMulti.run() != WL_CONNECTED) {
! a' \! _( R9 U- i, B' }: Z* A' P( s5 w - digitalWrite(2,0);) A: B2 d/ n* N
- delay(200);8 S: O- N+ i) p2 s
- digitalWrite(2,1);' r1 l( H- L ~; R) D' U
- delay(300);0 v$ E- Z1 |; b- F* Q
- Serial.print(".");
7 g; e M. e' b. Z3 I, f! ` - tryNum--;
1 n3 q& D0 m5 }8 m5 s - if (tryNum == 0) {$ [. |7 g- Z6 b3 g
- // 1min5 y4 L4 Y* f1 g9 X
- // ESP.deepSleep(60e6);
6 m x. x- V4 Q4 `) `, _ - ESP.deepSleep(0);
: U0 E" i$ R- J9 m+ k - }( E( }: {- h5 l7 M% a$ a
- }
' \1 X+ Y9 c! s7 S: O5 @2 ]3 J - Serial.print("\r\n");1 f" X) P% v) r8 I/ D/ c f! ~
- digitalWrite(2,1);
; p. s& C, a% K$ \ D! k# W - Serial.print("IP address : ");7 ?: |( [2 b5 h+ J7 M$ B, |
- Serial.println(WiFi.localIP());% h3 O J Y7 s" x* }
- server.on("/", HTTP_GET, [](){
$ y+ \/ E7 @* N% v9 a4 a - server.sendHeader("Connection", "close");
: y! \8 P9 E# G - server.send(200, "text/html", serverIndex);
" @2 a- L" C8 d' y) e+ d - });) f4 P: C/ x; \5 ^0 M7 E
- server.on("/update", HTTP_POST, [](){
- _2 x6 t* Z6 t1 Q$ [ - server.sendHeader("Connection", "close");6 U$ f: E+ v8 z& t& u( w) C
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");' k6 E% k& b0 `2 i F! F$ J
- ESP.restart();
: T+ \/ X" F$ x& p - },[](){& T$ K. B) [0 p# w; x4 ?! R
- HTTPUpload& upload = server.upload();
- H u4 }# t9 ~0 _! X) b2 r - if(upload.status == UPLOAD_FILE_START){
- ~+ O- S1 j5 f0 G - Serial.setDebugOutput(true);
6 ]$ [/ E; U, ^9 u - Serial.printf("Update: %s\n", upload.filename.c_str());( U) @; n! Z; g3 g$ _* r
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
# _- G# _* `9 x3 X$ H. N! n+ |/ O - if(!Update.begin(maxSketchSpace)){: M1 M- A' Z! b2 y- Y' ^
- Update.printError(Serial);/ q$ W9 i+ l! f; {4 x1 _2 ?, F3 @! `
- }
f& M6 P" V6 u1 x# q+ f - } else if(upload.status == UPLOAD_FILE_WRITE){/ l( M3 V% L* W% _; |; G( a
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){6 I1 C# Q2 K! Y& y5 Z" }# D
- Update.printError(Serial);3 x/ K3 O C: K& e' j
- }* b1 T$ g9 `% x0 c% i, X
- } else if(upload.status == UPLOAD_FILE_END){! a$ U' m! F& s; I5 c! G
- if(Update.end(true)){8 [3 ]& t* t- V8 _0 F
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);/ d9 R' c2 S+ h5 t. L( |% B! E( [
- } else {
( ^: w( i7 R+ N1 z! v. e- n - Update.printError(Serial);8 H, @- g4 ]# w* j+ f6 x( E
- }
r- ?# y- o3 `6 v5 i - Serial.setDebugOutput(false);
; a0 E1 d% D6 @2 w& H) \ - }1 B% g/ E: w' b5 J, l9 r6 _
- yield();
/ |. g5 o( i$ r! V) \ - });+ {- q/ I3 S: d& B% X
- 5 Z% j. W+ ?4 G x9 k& P
- digitalWrite(2,0);: F7 r: {. j; N i3 i5 G. l* I! M% k
- mainAction();: t: {) y* \) J& `
- if (digitalRead(0)){
" B. F; n% a! v7 n: }8 \& t7 H - ESP.deepSleep(0);
" D& Y, Y% C7 l1 w- g2 }# E/ K1 [ - } else {
& i+ j2 O2 h( t0 a3 K# _! i - server.begin();
9 d0 f, J7 ?) q# a. N9 T+ a8 A - }
6 X- p# V8 R7 k - }9 ?' y9 s) H! J3 ^3 n1 U
- void loop() {
v! i5 t' G# U2 p - server.handleClient();
' q- b7 C, J+ d2 a' {- M4 @& h& I - delay(1);
" ^( Y# K, A6 [, } - }" O0 V( l6 h. [* [) u# l
- String doGet(String url){3 D3 O: N5 G0 ~" U6 i
- if ((WiFiMulti.run() == WL_CONNECTED)) {
# V9 x) N! c# D; j! K9 `% t( s - HTTPClient http;' x- P& e2 Q" ~
- Serial.println("[HTTP] begin...");1 Z, j( k; A0 K
- if (url.startsWith("https")) {3 @# m; B1 ]4 ?) D! K3 [
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
' @+ Q- w+ t5 f# T! z) ]$ D - } else {
2 v0 {/ R: p7 o: }# M - http.begin(url);/ t4 }2 t1 \6 }5 F
- }
/ s- V2 Q- [( H; m+ l s# ` - Serial.println("[HTTP] GET...");$ ~5 f9 i6 p8 N) L" x
- int httpCode = http.GET();0 i$ O3 S& z# z2 z4 `
- if (httpCode > 0) {
! G4 r" O8 P: G% G- I% X) K2 S - Serial.printf("[HTTP] code: %d\n", httpCode);: e) F2 e' L* K$ ]" d
- if (httpCode == HTTP_CODE_OK) { N% W( T. k# W
- String payload = http.getString();
% h \/ t7 I/ i" S" A5 U. f - Serial.println(payload);
5 [- F/ S( l" ^: p2 H - Serial.print("\r\n");, l, k+ }+ P: g; G, o
- return payload;/ u. S% h- N/ z3 x& W2 z
- }- a" R: k; t6 c. E7 i& ?* R
- } else {9 `3 j+ {9 H) w5 A' o: M' w. o
- Serial.printf("[HTTP] GET... failed, error: %s\n",$ G, w" {% d2 @1 H; z9 r# M5 k
- http.errorToString(httpCode).c_str());
# y. L2 q9 b- u8 Z. P - }' w8 a6 F/ X5 `; @! r- o' E
- http.end();
& N5 b# T0 |. u1 @9 s2 K- J' d - return "";
) M* @* I4 K8 z, q1 d0 W: x - }5 n) e$ ^! o8 K2 }+ \& e1 ~
- }) j8 I [" _: k! f6 z
- void mainAction() {
0 f/ m" j, a- G7 A, X4 ^0 i. [* | - // 发送请求: }7 Y" c$ R& Y y
- doGet("http://google.cn");
8 h) L6 f( Q+ z - }$ _4 D1 o, g$ k! K# Q
复制代码 |
评分
-
查看全部评分
|