|
|
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 @! {. \! c; t; X% t3 X0 U+ [$ I" ~
- #include <ESP8266HTTPClient.h>" D; k8 x B2 l u$ n$ V9 M: W
- #include <ESP8266WiFi.h>
$ X5 l" i3 P9 A6 l M - #include <ESP8266WiFiMulti.h>
6 }( b+ v4 T6 _: `0 M - #include <ESP8266WebServer.h>/ Y0 _' F; c$ Q; M5 M$ |( u
- #include <arduino.h>! K: d* G& P$ A
- ESP8266WiFiMulti WiFiMulti;
$ D% T% G, m l$ ` - ESP8266WebServer server(80);
# |9 a7 u" _2 L- X - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";( x2 j. @) d H. |& N2 t5 t: d
- ADC_MODE(ADC_VCC);' r3 E9 h* [# \6 F* W
- void setup() {
1 m. n- `/ D: B- l - Serial.begin(115200);* G* Z ?8 o, Y" Q/ _) U
- Serial.print("\r\n\n");) _1 k3 N/ Y: w( w3 {4 M
- pinMode(2,OUTPUT);
/ b, P5 \' N7 W9 [2 S% }( A2 ]" d - // WIFI
( C: K- H" v# `. J: s* i" l' i - WiFi.mode(WIFI_STA);
- u: ~0 q1 f3 Q. t/ a" G6 P; H - WiFi.hostname("Sparkle");
8 \- L1 X" B. Y2 F! ] - WiFiMulti.addAP("wifi ssid", "wifi password");
0 s- W. o! L9 U9 z1 |1 @3 n - int tryNum = 15;2 J( M" k. n c0 ?$ d. [. y: _
- Serial.print("Connect WiFi");) ~0 E" j% l4 |( O1 X
- while (WiFiMulti.run() != WL_CONNECTED) {
! D. A8 @& q* s9 {- K - digitalWrite(2,0);. h9 b3 U$ c3 m7 d* h ^
- delay(200);! ]& t& N6 t8 ~
- digitalWrite(2,1);
1 `9 J4 I3 s7 Q Z - delay(300);: K& p/ S4 X9 ?+ M" I$ j7 J7 L" V9 `
- Serial.print(".");2 {( ?5 T4 L3 y% \4 g2 o
- tryNum--;. T" i2 |8 [4 y6 a
- if (tryNum == 0) {- P6 j/ x2 K9 t: V& y+ B3 S, ~* K
- // 1min
$ }. [$ t) d. K1 }3 Y - // ESP.deepSleep(60e6);
% d: J0 q c1 ? - ESP.deepSleep(0); _. ]4 a: A$ p. a) c
- }
4 ^. ]" }7 X$ R/ R& d - }
$ Y7 O/ u$ P- J5 v3 |) P: ~ - Serial.print("\r\n");. w9 J3 w- x0 ^( p
- digitalWrite(2,1);
, a" K+ M) B9 T7 |# l - Serial.print("IP address : ");
" ]0 w+ P4 [2 I: u9 ]" M) i7 t - Serial.println(WiFi.localIP());$ |4 [5 L% x3 O8 X# {+ m
- server.on("/", HTTP_GET, [](){
# s# y' u4 n1 t- F - server.sendHeader("Connection", "close");1 Q! t3 S% O! y8 r
- server.send(200, "text/html", serverIndex);
# X3 v4 g! D1 Q' V7 [6 Y - });
- h9 W+ _ L) @5 |" Z - server.on("/update", HTTP_POST, [](){: L- H$ _1 `& o" X
- server.sendHeader("Connection", "close");
! X5 Y4 o! R4 c - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
* K( K3 |! S, S& P# W - ESP.restart();
, t% [- T1 R+ {! ^ - },[](){! `- q% c/ a% u8 l0 j) q8 b
- HTTPUpload& upload = server.upload();( R, ~- c* e3 a2 h& C, m/ |% u" I
- if(upload.status == UPLOAD_FILE_START){5 U9 J- u- _* r2 j! H+ N# Y
- Serial.setDebugOutput(true);* _( \, q5 B- } F: ?6 g& z. W
- Serial.printf("Update: %s\n", upload.filename.c_str());& \% `& e6 G) h( Q5 Y( {0 r
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;* L, g; h6 Q: f1 P
- if(!Update.begin(maxSketchSpace)){ U/ L s1 A6 N+ I% w+ p" w/ z3 W
- Update.printError(Serial);
- n5 K5 [ w! z7 M, N+ O: a: v - }# a1 |1 o: Y" H; n! g# E" q
- } else if(upload.status == UPLOAD_FILE_WRITE){8 h$ f2 W) z8 n3 U4 J- u1 v
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
$ P1 x2 D7 s S+ Z- [* ]( n; j$ U - Update.printError(Serial);4 @: r! F3 y5 A% O
- }* z% f' x/ m' c1 W6 [0 p( F
- } else if(upload.status == UPLOAD_FILE_END){ {1 ? F) x$ a) s+ h0 e
- if(Update.end(true)){
! M) E+ o. n) D; l- T7 Z8 P - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);( M( R5 v6 ?8 v0 K
- } else {
" a+ K: u% j. Z4 g1 S6 K5 } - Update.printError(Serial);( b/ r7 U& k) Q- z
- }
8 ]; C- P; {3 {2 z9 d( {+ D - Serial.setDebugOutput(false);# ~: p/ O5 s( d" P
- }
* {) T% J+ ~$ R3 d# a. m4 S - yield(); d% J4 c+ h1 p$ b
- });
' l( l6 h. A# D -
$ d, U! z3 R; m1 N - digitalWrite(2,0);' C" E& N A& y1 d( G$ n5 X* V
- mainAction();4 ~, ]# Y5 v+ L2 S* y, k
- if (digitalRead(0)){
1 U7 y s$ _# k) y P0 U - ESP.deepSleep(0);- _% n4 Z @: X$ [% z* ]
- } else {( f6 Z3 b1 t8 n, P5 C5 L( R
- server.begin();
`3 K5 j5 ^$ D9 D- L( L( Z1 A! r - }2 U2 V+ M2 L. ?0 ~$ o$ V
- }
+ T; O: Z5 U8 Y; r5 _ - void loop() {; c/ {( J% `* x% j. h
- server.handleClient();7 S/ E% f1 J- u/ B1 E
- delay(1);
& |' B$ q9 {0 A$ K% s8 U/ u - }4 {# n* S# D3 w
- String doGet(String url){5 w# a* Q8 C: B& w
- if ((WiFiMulti.run() == WL_CONNECTED)) {7 o3 D1 ?% G# N$ Y E
- HTTPClient http;
* }5 X6 k9 I, ~+ m: T6 G8 W& N* d - Serial.println("[HTTP] begin...");9 u& N; V5 u( h R0 i
- if (url.startsWith("https")) {
0 D- M- s' L& A6 d - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");2 ?) w8 N+ l9 a5 D; F( _0 T
- } else {
7 j _) B- @' M1 E2 R. ?$ ~3 T - http.begin(url);9 f% F. S2 z! k2 d
- }
' r n8 v2 W- E6 _ - Serial.println("[HTTP] GET...");
" I% ~& G6 c1 o) O- a8 h - int httpCode = http.GET();
. h2 t; K @+ f; c: R3 J - if (httpCode > 0) {
6 }1 b# T4 `( T: o1 h: E1 ` - Serial.printf("[HTTP] code: %d\n", httpCode);
4 b4 k3 D3 }9 h* G, g+ ` - if (httpCode == HTTP_CODE_OK) {
$ ^% U4 |2 x( V: `% } - String payload = http.getString();
' r# z. U2 L" U' n) s0 S - Serial.println(payload);! K7 H2 V+ m# b3 m! L5 f
- Serial.print("\r\n");, f. H8 Y. R" Y+ e
- return payload;
1 D n! U' Y& {) k9 V0 q' c - }
: _8 `0 E% I ]0 P$ H% Q4 Y/ k - } else {# r/ m+ D1 p' S' L: }) L
- Serial.printf("[HTTP] GET... failed, error: %s\n",
/ B7 g% g8 s; }' ~; }* K# i - http.errorToString(httpCode).c_str());
4 R& T4 ?9 L V q h - }
- R( a( _' e8 M6 {$ f1 |& s - http.end();
' [2 W& \3 U. A! [. Z: v+ T - return "";, r9 p! f. s" |* Y5 `
- }
7 j- b& h3 |) W- y2 G - }. E) L6 A% J6 }2 t( Q, d: k* v
- void mainAction() {6 j8 j$ n2 S3 X8 {: a2 ?
- // 发送请求
\% ~1 V h& t$ A - doGet("http://google.cn");. Y8 U" ?1 o( C! t+ F, d4 w6 K. A
- }) l# S/ |3 E t
复制代码 |
评分
-
查看全部评分
|