|
|
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)
9 a! c* B9 B" v/ ]- #include <ESP8266HTTPClient.h>7 u/ U- j' ~# k! _
- #include <ESP8266WiFi.h>' q. y( t/ O; ]; u2 z4 e' K' J
- #include <ESP8266WiFiMulti.h>) Z/ P* J8 |& v9 Y$ Z- ?' L l
- #include <ESP8266WebServer.h>* B1 l% I. W3 E% J+ y+ | l
- #include <arduino.h>$ o. t4 l6 `3 C& X6 y
- ESP8266WiFiMulti WiFiMulti;
1 z, Y0 }# e+ j) d3 Z5 O. o( f& d - ESP8266WebServer server(80);' O- }' E6 B( }
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
5 D) [. W: g9 y. S2 j - ADC_MODE(ADC_VCC);
8 F; s0 r- k! N; J$ e, k - void setup() {
$ }. o {1 C6 d" [) M5 m9 Q* l+ ] - Serial.begin(115200);- t0 o4 ?* Z9 g1 E# z; c7 o
- Serial.print("\r\n\n");
T/ j7 J* e6 _) X" e ? - pinMode(2,OUTPUT);0 Z" C- Z! |# T; J4 C {9 H+ v
- // WIFI. n- [0 E7 e4 V; L. |0 w
- WiFi.mode(WIFI_STA);
& Z$ x4 y+ y5 z2 g - WiFi.hostname("Sparkle");, F5 T- `8 G( |) }) s
- WiFiMulti.addAP("wifi ssid", "wifi password");2 U' ]- b" ?" P5 R" R
- int tryNum = 15;
+ j& ], l) |8 [/ q0 _4 S - Serial.print("Connect WiFi");
4 b# J& ~0 F' g9 w& W$ l4 _ - while (WiFiMulti.run() != WL_CONNECTED) {
7 n: O3 r, ~! C$ _/ k - digitalWrite(2,0);
# a7 I& E! r8 p1 f9 t$ _5 w- D! i - delay(200);
9 W: c o6 {% |2 w5 B8 q - digitalWrite(2,1);
9 l% X$ n2 p; a3 H - delay(300);
2 B$ ~: e/ e0 K; [5 b7 P' D - Serial.print(".");
4 @# Z2 E4 l# c8 _# ?$ R- G - tryNum--;. a& x" v# R* P( A
- if (tryNum == 0) {$ O% J) c: q# F' w1 C4 R; x% p+ m
- // 1min
3 x" M1 {7 ^+ Q- L% r - // ESP.deepSleep(60e6);( u. Z: P* J* x, Q$ X
- ESP.deepSleep(0);3 }% ^# |1 h2 ~" o2 O6 h; K; L0 f
- }
: S7 @9 K6 X0 w1 ?/ W - }2 g7 y; n5 n7 \+ f4 D# O
- Serial.print("\r\n");
8 R% t' B6 S+ s7 `( d# } - digitalWrite(2,1);% k2 J4 @8 O8 p+ b0 t/ S3 ^
- Serial.print("IP address : ");
' M0 H2 v$ J5 F2 U% ~" Y' i - Serial.println(WiFi.localIP());
+ D! q! C& k& x# `3 i) s3 p2 v2 q - server.on("/", HTTP_GET, [](){8 h+ f' d" N$ T9 M/ }! S1 k* k
- server.sendHeader("Connection", "close");3 h- V( I& E5 i$ V$ Q* D7 g$ T
- server.send(200, "text/html", serverIndex);. U8 `' f. M/ `7 `4 z& H' K( d
- });2 t5 m' Q- k/ Z2 g6 @6 b4 T
- server.on("/update", HTTP_POST, [](){1 I3 M7 Q9 G8 H1 @+ g
- server.sendHeader("Connection", "close");
- Z0 T4 `8 G: s8 H - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
5 }3 M2 K- Y! F - ESP.restart();
6 U1 s& g' d% {- [7 |% V - },[](){5 |. L% e5 N- S$ }* x/ E2 C
- HTTPUpload& upload = server.upload();
1 _4 C- {4 I5 n: t" x; L; c - if(upload.status == UPLOAD_FILE_START){
8 m0 q9 H/ ~& V! h/ r2 A - Serial.setDebugOutput(true);
$ F, K& P3 B6 M! D' d - Serial.printf("Update: %s\n", upload.filename.c_str());& v- l5 U1 t t0 Q2 c; Z/ c
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;) Z: {! P3 T) W) L
- if(!Update.begin(maxSketchSpace)){
. ]9 y1 ^$ x% O1 N6 E7 s - Update.printError(Serial);
; j- w2 Y( s' U8 W6 | W - }
6 a; C2 |9 I9 u% R - } else if(upload.status == UPLOAD_FILE_WRITE){
( B8 g3 E8 ]+ c/ ^4 Q# { - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
5 X) \3 i( O: B5 M* M8 c* P - Update.printError(Serial);
9 V/ r& H5 K4 y - }
, }3 D- q! v( D1 c# @ - } else if(upload.status == UPLOAD_FILE_END){& F, p1 L3 a3 y2 h1 K0 p" y
- if(Update.end(true)){
5 `/ _$ S) C S - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
- Q$ R& U, z0 v - } else {1 I8 q& c! ]$ p4 d8 H3 ^
- Update.printError(Serial);
! T) u5 S( v7 a7 W# w7 c+ ^ Z, t - }9 a. F; b- e! V; X+ d' H5 y
- Serial.setDebugOutput(false);
( |4 S# h. C% i N. p& A, p4 y - }$ v, x' b: [7 |- A5 G e: o
- yield();
+ p# C! l- k" l: w+ k - });' W3 d0 U! p" v$ `
-
$ I# U$ O, ]+ P: C& J" P - digitalWrite(2,0);
6 i8 a5 S Z; _; J: |; J( A - mainAction();
& }: l2 k& x( m; ~ - if (digitalRead(0)){
5 u7 ?/ y! K2 k5 D" k$ g - ESP.deepSleep(0);' X% a3 K6 f# {+ r- n+ v; B
- } else {" ]* \0 f/ t9 Q5 S) i
- server.begin();
% m- P4 |" h# C, p. n - }+ P' [: M' Q, V
- }
" R! v4 b0 d3 [( z' y7 r2 [$ y x - void loop() {
, Z5 I m9 V' \2 |$ h1 I; p - server.handleClient();
% U9 l( S& k! ~4 N0 r( v. l% h - delay(1);# e, m* I8 L; {" O" i! u
- }
6 T4 Z, v3 `9 w# s5 S1 }3 N0 e - String doGet(String url){
7 R2 R) N/ X! ]+ X2 j" ?0 i( u - if ((WiFiMulti.run() == WL_CONNECTED)) {! `5 V. @$ I# q1 c7 x
- HTTPClient http;
4 U' |0 f& h( a* F# x. g - Serial.println("[HTTP] begin...");. F; n! w$ S/ r M; R* S
- if (url.startsWith("https")) {
0 i+ Q1 p" R, v+ T/ B6 X - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
8 Q9 w# [+ Q9 v" r% {5 a4 r$ n - } else {
( X! C* o7 {* V; _( P+ J - http.begin(url);4 r9 t, R9 T" X
- }
( z& @. }+ @: v3 L0 w. J - Serial.println("[HTTP] GET...");# ?- z! E: V' K# |5 d
- int httpCode = http.GET();
) j/ J7 y8 |. n& Z! L. C0 F - if (httpCode > 0) {
% i- q' z/ P# H( }4 i- y - Serial.printf("[HTTP] code: %d\n", httpCode);1 \+ V m) ?. m6 U
- if (httpCode == HTTP_CODE_OK) {
2 ]9 V' F" x- f9 @$ W - String payload = http.getString();
: h. k7 M. V, \ - Serial.println(payload);
% E' X& B2 ]- b. S: ` - Serial.print("\r\n");, i$ J) {0 X) Y, O) M
- return payload;6 l# M- I( W) P
- }9 l- P) P. j5 v$ L4 ~( `
- } else {+ O1 k) S5 m3 _& |
- Serial.printf("[HTTP] GET... failed, error: %s\n",
7 Z2 o) a+ E' k! n8 K ] - http.errorToString(httpCode).c_str());
4 B! A* C$ V3 A6 C - }
# |1 p( c4 d; L3 d( R* l* j; ~ - http.end();- }7 \+ |/ N B% v% [, X5 u
- return "";: Y9 {. C9 Z) J- ^5 f6 h$ V b4 l
- }' M c; ]7 y8 g9 E3 X0 W* [
- }
: E. u6 b- r, A( H - void mainAction() {1 N" s3 H& X& z
- // 发送请求
+ E6 D! g. x+ d" h - doGet("http://google.cn");
q9 E4 x3 T# |* H; b. w) c - }& x; f8 C) x# K& H
复制代码 |
评分
-
查看全部评分
|