|
|
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)
" @! ~! p0 y7 M: J5 C5 j1 ~% o- #include <ESP8266HTTPClient.h>
5 F! o- k u2 N- L - #include <ESP8266WiFi.h>
% D, _5 e7 z3 ?* T$ Z - #include <ESP8266WiFiMulti.h>
/ s! l! ]3 S7 }; \ - #include <ESP8266WebServer.h>/ u( t) j, [- |& Y# u2 Y2 W
- #include <arduino.h>
1 v& |( Y5 G1 [- U - ESP8266WiFiMulti WiFiMulti;
' d% J! x/ x. v7 b0 p - ESP8266WebServer server(80);
' M) M" l$ v6 [: R0 m6 a - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";* B: b* {% o. Y' p0 i
- ADC_MODE(ADC_VCC);/ {# e7 Q; M0 ~) S' W
- void setup() {- b$ G9 x) x8 P2 a; u* L
- Serial.begin(115200);# H4 F; }7 |/ Y% N% ]
- Serial.print("\r\n\n");' r6 _$ G4 j2 T- g4 R
- pinMode(2,OUTPUT);) r( U4 h; A4 `0 f T1 Y/ N
- // WIFI* f3 t$ F6 V0 c K8 ?' d ~
- WiFi.mode(WIFI_STA);
: P/ s! h! |7 G1 W0 e+ W - WiFi.hostname("Sparkle");5 ~* [; W+ ^0 ~- Q4 d' W
- WiFiMulti.addAP("wifi ssid", "wifi password");
% A) M+ F( r: f/ x* C - int tryNum = 15;
6 I/ l3 q3 u# d1 [6 B/ s w6 |- ^) \ - Serial.print("Connect WiFi");, t: ^7 N0 R4 t7 g1 A
- while (WiFiMulti.run() != WL_CONNECTED) {. O8 |: N: g' @/ n% C# o7 f7 i
- digitalWrite(2,0);# L. X9 K4 G1 \) i& l6 R8 {% _
- delay(200);
9 @! ?9 O% T, I3 i8 [ - digitalWrite(2,1);4 i: W) K8 I. u# x. u+ @
- delay(300);
/ f! ~' C/ e8 |& |' k& b: H n - Serial.print(".");
# o9 ?# _5 m. H& i$ n) j - tryNum--;/ w5 c8 N5 b7 g* Q! O
- if (tryNum == 0) {
D) S; h% N4 i4 H - // 1min
! ]1 {3 Z: _! P' X6 z6 e - // ESP.deepSleep(60e6);
" X b9 z! C3 G) v9 [ C2 A8 U - ESP.deepSleep(0);$ d7 y9 J8 }! A6 S" m* S; j8 O
- }
' F" n5 O. u! B3 X; U+ d; d7 b: d - }
) P$ {5 r% N- I% W6 ]% y# h - Serial.print("\r\n");
0 n6 d8 E0 }) x( R+ P - digitalWrite(2,1);! H$ s4 A* I ~
- Serial.print("IP address : ");8 V9 j& K H, w' S0 g
- Serial.println(WiFi.localIP());
! |* x0 U# O8 ~4 `. J! v! i - server.on("/", HTTP_GET, [](){% M% e4 E' I! `- I
- server.sendHeader("Connection", "close");
( r& E' F L2 Y0 a4 _4 a - server.send(200, "text/html", serverIndex);
$ _; a7 C k; T" a6 t& _ - });
2 ]6 ?0 H L- r) ` - server.on("/update", HTTP_POST, [](){' \- ^' H2 z3 h7 ]% ^% N
- server.sendHeader("Connection", "close");
0 p% Y8 A( M7 P" ]* p6 R - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
& j) a3 W+ L' U1 H1 n+ Z m% D - ESP.restart();. G* Q( S# ~1 Q- j t) a
- },[](){
# ]; _% Q& L. h - HTTPUpload& upload = server.upload();
& i' D- I/ Z y: Z* C: m - if(upload.status == UPLOAD_FILE_START){7 C! N" ?/ _4 b/ q! a" Q/ a9 H0 ?; B
- Serial.setDebugOutput(true);
* J3 X$ \+ X0 A - Serial.printf("Update: %s\n", upload.filename.c_str());
( i! ?4 I5 s7 y5 s5 Z! _ - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;) @) _' i# T1 w2 I
- if(!Update.begin(maxSketchSpace)){
+ T4 f: V- h& j: B+ o# ]: x l - Update.printError(Serial);
4 n U( }" a/ f6 D: T - }' L% T' W& O/ H/ P/ @
- } else if(upload.status == UPLOAD_FILE_WRITE){8 v/ f5 @: x* r& a+ `+ x- J' p
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
9 n* r( a$ q+ S - Update.printError(Serial);0 X: G! |7 y; n9 b5 D
- }
! p+ r. D& M1 H ?, Y - } else if(upload.status == UPLOAD_FILE_END){
, p$ `, Y: l" m - if(Update.end(true)){8 @0 p- y' P8 [ x2 q7 ?
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);5 Y4 o L7 f6 L9 u5 b$ h
- } else {# b5 V+ }( H. q4 e
- Update.printError(Serial);& a, I8 c2 t1 B# N* G8 h
- }
: s/ B+ F. W7 V0 v - Serial.setDebugOutput(false);3 f4 X5 {# o! V9 r$ i8 S
- }
7 f7 V4 @/ L- e5 u - yield();
6 }' ^/ _8 P( v* ~$ q - });2 w. k5 }: K: ^! c
- 2 q8 _' W3 q9 ~7 Z! E1 a+ R
- digitalWrite(2,0);2 C$ S4 a" L$ o5 c$ v8 {; F! B, ^
- mainAction();
; `+ K. t" b% V9 s9 S - if (digitalRead(0)){/ b% x G. I% I$ n" E
- ESP.deepSleep(0);
1 W1 C* f6 v' F4 W7 g1 n - } else {
& Y6 D: m" \6 q, ]4 m/ q0 @ - server.begin();
5 {9 Y: e% T& x& Z) A$ f - }
1 b5 q( w0 _7 @0 W - }
& h E0 m# n2 a( r" E - void loop() {
- a/ M2 ?3 }' [ S" y0 ]( x - server.handleClient();; b' j+ ^' g" R) \, y; i+ ]7 f& ?
- delay(1);
- C2 r' W/ F6 u! f0 ] - }% y# t' X, E& H* ^
- String doGet(String url){$ W$ \" ^& I% N g
- if ((WiFiMulti.run() == WL_CONNECTED)) {3 A3 z+ | t: F8 W- Y
- HTTPClient http;
& d7 H7 d6 C, T& Y, U - Serial.println("[HTTP] begin...");
3 _: B9 _) V, N- m - if (url.startsWith("https")) {+ o3 x4 U; C0 _2 _
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");# W2 W, O( X, Y5 }, W: L
- } else {
; _ }( c( A/ {- g$ _4 I - http.begin(url);( H: w4 r; {# U6 S, |6 e
- }
% n* M& ]7 o, s' \ - Serial.println("[HTTP] GET...");
2 y* L" ^3 k, f& T - int httpCode = http.GET();
; C) `* g/ T' l: J( @1 m1 t - if (httpCode > 0) {
% y, c4 T* p: ` - Serial.printf("[HTTP] code: %d\n", httpCode);3 ]& F, {) D- ?% A
- if (httpCode == HTTP_CODE_OK) {) S9 A6 v1 u% K/ H8 r
- String payload = http.getString();$ ?# u& f4 N. M
- Serial.println(payload);9 Z. `- p/ L5 i( C8 k i; u
- Serial.print("\r\n");1 |) Z/ F- X, l1 `0 g {
- return payload;
5 |/ h+ t) i- m- ^( N- G0 } o - }
* A# g2 H/ G% ~3 R; a A - } else {
8 a# h% j0 E. U' q; P7 Z - Serial.printf("[HTTP] GET... failed, error: %s\n",3 \3 u4 L9 o* \7 T
- http.errorToString(httpCode).c_str());9 t5 }: G4 g" y2 d. B
- }0 c6 k: E t, a ^
- http.end();
9 ?" A& A3 Y- P - return "";4 G: X! U9 y# p2 {; _% E( ?
- }& K/ v/ G D0 ^( I
- }
( c" \4 @" J4 ]6 O/ q# Y) U7 w - void mainAction() {* S6 U* ^, c, n* _) e
- // 发送请求
% k( m! z3 g P0 r. g; ^ - doGet("http://google.cn");
. C0 T" c1 ?) A# a" R) o1 O0 ~ - }% M7 E& [( S A6 W& M/ t
复制代码 |
评分
-
查看全部评分
|