|
|
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)! N/ S: \0 D$ B }$ _' e. f' \
- #include <ESP8266HTTPClient.h>
9 ~$ h* c( X0 f5 h2 G+ T$ J - #include <ESP8266WiFi.h>
( G6 F* q0 x) Z8 |+ w) n - #include <ESP8266WiFiMulti.h>: q+ c3 c$ i) S3 _5 n
- #include <ESP8266WebServer.h>! G* H. v( C7 |% M, E: H3 K
- #include <arduino.h>
/ q) x H% @$ k4 z; k/ t- N - ESP8266WiFiMulti WiFiMulti;) L/ V: B& [& N
- ESP8266WebServer server(80);
6 D& M8 d& i; D' t! o* T4 _ - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
# i7 ~6 n' t6 K* B9 D5 w1 M- ^" _! J - ADC_MODE(ADC_VCC);
/ b/ p; ?; s9 t; o1 C: a - void setup() {
4 K% Z M8 [: S - Serial.begin(115200);
6 x8 N' O: D' J' J - Serial.print("\r\n\n");
+ B- e; f* ~ v& \5 M& `3 P; M0 w - pinMode(2,OUTPUT);
0 M( M! a9 s" p$ x: u4 ]: v - // WIFI
! k% J: J6 t) b% e - WiFi.mode(WIFI_STA);. A# [' o, }; n& c
- WiFi.hostname("Sparkle");3 S$ {5 B; P2 H4 }$ N- ]
- WiFiMulti.addAP("wifi ssid", "wifi password");
; u# i4 |2 V9 Y2 ?) N - int tryNum = 15;% d( J! q5 l* U7 `# ]/ T4 P4 `, a8 K
- Serial.print("Connect WiFi");: [% ]7 S5 P) f2 B! a6 f6 f
- while (WiFiMulti.run() != WL_CONNECTED) {* Y- W, ?2 [# b" D0 g
- digitalWrite(2,0);
! E5 r9 e7 g8 c8 }3 M - delay(200);
) ^. R" X; }$ Z3 w - digitalWrite(2,1);
9 T& m( s/ j/ ?) j - delay(300);
4 |; n1 x* J" N' |- g% z - Serial.print(".");
- d G/ g$ R/ ~0 M5 }/ H - tryNum--;
$ K6 m- t# ~3 `# w5 q: p7 @ - if (tryNum == 0) {& C! m5 D% @+ N( |. R4 N0 m
- // 1min k- Z/ B& `6 y; }. a! \
- // ESP.deepSleep(60e6);
9 \; H" {2 u( i5 P( V6 x! \ - ESP.deepSleep(0);
5 K- r) }2 v& k Y6 C% P7 s - }5 F: E1 F; A! @# F% V4 E
- }
! V3 {% T8 |4 C7 r - Serial.print("\r\n");4 b/ ^3 o4 v3 o+ ]& n0 F w6 ?
- digitalWrite(2,1);
~- y9 m! _7 k - Serial.print("IP address : ");
- d% \# R0 I9 u - Serial.println(WiFi.localIP());* t z& k5 }9 v
- server.on("/", HTTP_GET, [](){# l' [# m Q% @9 K2 c0 j
- server.sendHeader("Connection", "close");
) n1 u) W) b9 x/ q) N, _ - server.send(200, "text/html", serverIndex);& J; a! Y; ^) r! K1 d* P: K- E
- });
0 R0 R4 z- }5 J( B - server.on("/update", HTTP_POST, [](){' f( R6 t r- U7 H* ?# u
- server.sendHeader("Connection", "close");
" n! G; \ `( B9 @. U2 q) f( G; p0 R - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
& F `8 F( }4 h; r, d - ESP.restart();! P: _3 ?/ H* U6 h: a
- },[](){
6 o. M2 J% r" E/ J! k; e- C1 i - HTTPUpload& upload = server.upload();6 z. w' G8 }8 M+ R9 v* \
- if(upload.status == UPLOAD_FILE_START){
3 Y) }2 V- m) H9 `( U) x c! e - Serial.setDebugOutput(true);
3 Q) q( c0 m9 F; C9 f) G: w4 b5 q - Serial.printf("Update: %s\n", upload.filename.c_str());
: c' K# a/ W8 a* t - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
* T+ g2 n! a( d0 T" k" |" |' V - if(!Update.begin(maxSketchSpace)){( `" o; u/ {6 H7 x
- Update.printError(Serial);1 P( R4 G0 x) N2 V
- }
3 G. f& [( n) E# k$ O2 [2 j - } else if(upload.status == UPLOAD_FILE_WRITE){
# ~$ k! b! i- c p/ c - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){4 E5 _# [' f. |6 R9 w. T7 Y; y. y
- Update.printError(Serial);( _4 f8 B* ?( Y5 }: D* K! [3 w6 ` G
- }/ ~+ w9 y5 R! X8 u0 D$ n% [: h
- } else if(upload.status == UPLOAD_FILE_END){6 G1 ^5 X$ k& `
- if(Update.end(true)){/ y6 _! X p) Y* ]
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
% c" S6 f; R/ T! B3 s - } else {
$ A. L X2 g; d( s4 }0 o - Update.printError(Serial);
! ^# X4 O3 P, s( b3 X9 G - }
% J# ` b4 ^2 G1 g- H2 o, [8 ?1 h" ` - Serial.setDebugOutput(false);
0 F6 \' j& M& }1 j9 ` - }# S4 N; N m* L0 `) H. g) k1 s; ?
- yield();
0 E' ]& g, c4 w5 g# { C, k0 R% p - });% x3 `" C$ v7 o( H7 y$ v
- 0 o5 _4 w% e( a+ [' {. v0 g' j
- digitalWrite(2,0);
, o5 ^+ I* C; N& b - mainAction();
; K- x+ v8 M, x% \! L0 X - if (digitalRead(0)){( X$ T4 b& }4 E- }* h" [
- ESP.deepSleep(0);
* }( U+ ~1 `- V7 a6 N - } else {
' N I8 [% n+ B0 L) q& ^& i - server.begin();$ ^& D8 A+ D, _; p
- }
: `0 S; `. Q+ k9 a8 V' h/ E1 \+ t! J8 b - }$ R: ~2 n+ X+ B5 h) M; }( F+ m
- void loop() {
! E0 B. S: E3 c - server.handleClient();
[- [! k6 F+ K$ @8 O - delay(1);
% m1 X K* d1 P% ?4 l l4 f* v - }+ \7 J5 K. e, H1 t- t
- String doGet(String url){
' `4 S& {- `9 x3 [- r - if ((WiFiMulti.run() == WL_CONNECTED)) {% l5 U6 C! Y, F* ?/ r0 F0 U
- HTTPClient http;2 W p5 |1 n7 Z+ w/ f, x
- Serial.println("[HTTP] begin...");
; o$ {( X2 Q& l5 K- ~0 ]5 G! Z - if (url.startsWith("https")) {5 B) s8 v% X- K5 Q
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");$ j8 w: q- x5 q' W c
- } else {
" @8 G3 l$ _0 _) e+ M8 v1 C - http.begin(url);
; h; @- O% C" K! p0 O - }
: }' h" p7 d8 V" ` - Serial.println("[HTTP] GET...");
! T# U# F0 g* a2 ` - int httpCode = http.GET();1 {6 z% L2 f# Q7 r: K6 f4 B
- if (httpCode > 0) {
" E6 r& S Z3 f, | K8 s - Serial.printf("[HTTP] code: %d\n", httpCode);2 W& C5 d* q% Z6 J$ p! }+ A
- if (httpCode == HTTP_CODE_OK) {
! I6 h* [1 x+ F* B% Z2 q - String payload = http.getString();+ A' q" Y8 K8 W
- Serial.println(payload);5 @6 d/ i3 Z; d6 H
- Serial.print("\r\n");6 v" ]1 O* W" Q. T7 E+ J. c
- return payload;/ I3 [: B. P9 E
- }
; f$ O4 x! I9 S5 i$ A - } else {; R+ Q: T+ f b& N+ L
- Serial.printf("[HTTP] GET... failed, error: %s\n",: d# x7 Y3 [2 [
- http.errorToString(httpCode).c_str());( T- C! o0 Q% N( o* M) s
- }' J' R) u: M8 y+ \- V H) O
- http.end();
- o- e7 y5 e" S( Q/ u w! k - return "";" |4 k Y8 n: u- w5 B: H) ]
- }
/ Q: J- x0 I* d- {5 S# _ - }
* }5 c/ i* K7 r3 p' k4 j9 D% Y - void mainAction() {- D; F0 K7 k+ P ]& Q
- // 发送请求* [8 i7 C5 ~- [8 ~" Q1 Q2 q* ^ ?# v. G
- doGet("http://google.cn");$ ?+ a N) p2 H9 s, T, [+ Z
- }
+ _) H; ^2 R- W" R6 {
复制代码 |
评分
-
查看全部评分
|