|
|
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)& T. v% T$ M# }
- #include <ESP8266HTTPClient.h>/ C. j: n0 N B
- #include <ESP8266WiFi.h>' s [/ V& T, |3 E& s
- #include <ESP8266WiFiMulti.h>
# n+ V) Z! `. J/ W( [* t. i3 P - #include <ESP8266WebServer.h>
* z1 i" L: O+ c- p# O - #include <arduino.h>
1 w( U+ N# f1 F' K, A( Y! ^ - ESP8266WiFiMulti WiFiMulti;5 K/ F& y R8 }4 r8 c! C5 w
- ESP8266WebServer server(80);9 i- M# o7 e3 h G! [5 y9 B
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
+ i9 d4 k% Q6 h2 q; w/ |$ a7 @* r( k - ADC_MODE(ADC_VCC);
6 [& ^8 h2 z" S4 C, b0 M+ o2 [1 l - void setup() {
1 ^2 v9 X' h5 M/ Y: @: e) R - Serial.begin(115200);( j5 i \9 C, P
- Serial.print("\r\n\n");
( O7 D: G7 y9 E6 y; h4 v, v T - pinMode(2,OUTPUT);
& y' Z3 W5 z' B( H. d - // WIFI( I; G7 L/ i" x
- WiFi.mode(WIFI_STA);- ^0 P" Y; B+ T: n
- WiFi.hostname("Sparkle");5 j9 H# l! d& ~0 h+ z' {
- WiFiMulti.addAP("wifi ssid", "wifi password");& K' M- }& l* F( c* f: d1 r
- int tryNum = 15;
0 W/ c9 J2 K' ]( g. s2 a& |3 d - Serial.print("Connect WiFi");0 J, g! p' |4 F3 C& i% J
- while (WiFiMulti.run() != WL_CONNECTED) {' q: q* B e* L2 Y
- digitalWrite(2,0);7 H( R% \' R4 o8 j. k
- delay(200);: l! G8 `$ T8 ]" f* a/ }0 E9 v
- digitalWrite(2,1);
# s. {. h1 Q0 D, k* N - delay(300);
, Z- Y* w& B$ i& n/ j. o - Serial.print(".");2 S* z& J( q8 |$ n
- tryNum--;0 J$ u: q a+ K9 t: ?; z, E! S
- if (tryNum == 0) {# K6 T' d' y' O. ]& v3 p0 ^, ]
- // 1min
5 z" |3 {: j( S p w - // ESP.deepSleep(60e6);4 |( {/ r. N! D& j4 k
- ESP.deepSleep(0);$ F1 A) o" S% j+ N$ f6 B- U- {
- }
2 @3 |4 Q& v2 f) p - }
8 O/ F$ E+ u7 W9 Z8 X - Serial.print("\r\n");2 V6 U3 }! Z u( f
- digitalWrite(2,1);' x$ L/ C9 f+ \5 q+ k
- Serial.print("IP address : ");$ h5 L" U$ K# g% U/ n7 n
- Serial.println(WiFi.localIP());
, b: i3 K2 `% w% @ - server.on("/", HTTP_GET, [](){6 G! |( D o* d3 v" H4 g o
- server.sendHeader("Connection", "close");
2 K6 D( X7 f9 X4 p9 e - server.send(200, "text/html", serverIndex);
y) q, {, t+ C: r$ l - });+ S. m; L0 u# J9 f |2 @) q4 s
- server.on("/update", HTTP_POST, [](){0 M5 o. f# u& D# _, c! W7 t
- server.sendHeader("Connection", "close");- q3 p j# j) f7 a L$ ~
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK"); D4 W6 Z9 Q! L2 i9 t
- ESP.restart();
, P; K q; w. P# k3 l - },[](){
4 Q7 `& C( R; b$ }( I, m$ i - HTTPUpload& upload = server.upload();! Q o1 A# g7 @* U$ h
- if(upload.status == UPLOAD_FILE_START){( h W$ K& a H+ t4 G$ h) S; J
- Serial.setDebugOutput(true);$ {1 b6 w2 w+ s( f: I1 [
- Serial.printf("Update: %s\n", upload.filename.c_str());
/ W+ F' E! s u - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;3 l/ k3 M" q9 X% s' D
- if(!Update.begin(maxSketchSpace)){
0 x( j1 `4 h' y - Update.printError(Serial);
) r0 o8 e% {& q& Q$ o - }
: T: X: y0 b5 B8 `! T2 W) s - } else if(upload.status == UPLOAD_FILE_WRITE){
2 {* q) c: t' ?$ H$ t% Z+ d6 O - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
- w$ K% b: T& f* i - Update.printError(Serial);( Z" T' {1 m& m3 f5 d
- }/ [8 _/ a. c) X0 l4 M8 g
- } else if(upload.status == UPLOAD_FILE_END){
% K) i8 R+ k# k: \ f" `; y - if(Update.end(true)){ _$ L4 y0 R* b$ L, d% s7 k
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);- Y) F# j6 S0 ^+ Q
- } else {. S' h% m2 j. D) |; K
- Update.printError(Serial);1 [0 g1 P6 Z# W$ L) J: z
- }
5 e5 E& m. x- S0 O) U8 d. V7 Z3 p - Serial.setDebugOutput(false);
! I' v* I1 L1 S: @5 o+ Q1 i - }
9 Z1 J0 E' n2 a6 ^ - yield();
, _8 B" F8 X% M) G, q! P% @ - });
0 C* C9 n. |6 n6 l v - 5 C6 M; v- A) m4 j4 F4 Z: _
- digitalWrite(2,0);
; h( ~; v5 c$ f* Y% p% q A/ V - mainAction();& F6 E: y; O T: [8 J5 W4 b, R6 A4 f
- if (digitalRead(0)){) y9 q* M- G$ `- S) S7 w8 c
- ESP.deepSleep(0);
# N7 H t. L8 T; F - } else {( _4 @" \4 c4 R% L5 K5 o8 Y
- server.begin();
% m" G& b9 ]+ a3 e( T7 J - }
! R6 d1 {6 h* P# O5 m8 ? - }; Y1 e, f6 r9 u& ?2 M
- void loop() {
7 }1 }# U' m1 T& H |- p - server.handleClient();: L2 t1 {. [; D# H# h4 t3 A- w
- delay(1);
3 j: R! h- K6 i6 s8 m - }
8 i' |7 M/ P" G# @/ t1 _ - String doGet(String url){
7 u6 X) K1 M6 f - if ((WiFiMulti.run() == WL_CONNECTED)) {
+ e" y3 m, U: S- _ _. E/ \$ M - HTTPClient http;5 \. C% k9 j/ e7 V! J1 `/ R6 s
- Serial.println("[HTTP] begin...");8 u0 R& {, f) O
- if (url.startsWith("https")) {
/ F7 p0 c7 Y" l# ?! x9 n" K7 U - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");) L& c6 ?$ T2 P- o2 \3 x
- } else {
1 E( W4 l, S2 \& K1 K - http.begin(url);
7 P& a! H/ T: T$ `, @# N$ B: \ - }1 h4 j! y3 P$ ~ f
- Serial.println("[HTTP] GET...");- D: v) J) h( D' F0 b
- int httpCode = http.GET();- Z! W( c' D7 A- y; o0 l: H
- if (httpCode > 0) {
) @' q% R ~4 l - Serial.printf("[HTTP] code: %d\n", httpCode);! Y) J2 R( `4 m
- if (httpCode == HTTP_CODE_OK) {0 f6 n( o' F6 g; \7 `% b7 L
- String payload = http.getString();) }, x) `1 _3 h' ]( U1 F4 I$ [
- Serial.println(payload);
: g- Z3 A7 X w# ~0 J - Serial.print("\r\n");
/ T* ~* u+ h8 U1 G5 U - return payload;( x" A% [, d5 ? l
- }- u, [4 i3 E( ?; ?
- } else {
% L* F7 G( o T4 q/ O - Serial.printf("[HTTP] GET... failed, error: %s\n"," x! o* I( K" S2 @: V! `' ]
- http.errorToString(httpCode).c_str());
7 B0 o. u! t* h$ _) L+ v7 _ - }
. F$ g# D# b2 M% u# i - http.end();
) I. Q/ _3 n- f6 H - return "";
6 ?$ w1 b' a- ? r, t% [" y - }
$ O) T o. [! C x - }
9 }* q6 b3 G$ M2 V$ K - void mainAction() {' u* G, B5 o6 h
- // 发送请求# J* E' v, G0 W4 ~% r# `% l
- doGet("http://google.cn");( P3 i8 [9 S7 f! p! m4 n8 E
- }- ]9 {0 @ d. o5 {5 I+ f9 |
复制代码 |
评分
-
查看全部评分
|