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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)
* J9 Q5 X: l' m- #include <ESP8266HTTPClient.h>
- c7 y9 v6 O/ }7 M! ]( C* u2 Z - #include <ESP8266WiFi.h>6 N/ C( V) c( G6 X9 Y# Y
- #include <ESP8266WiFiMulti.h>* s) h3 m' A, Y" B" _% m. j5 h$ m
- #include <ESP8266WebServer.h>
' v+ V$ f3 m" t/ }9 z - #include <arduino.h>& h; v& i& K0 y |0 A/ Q* b
- ESP8266WiFiMulti WiFiMulti;
* K7 l$ L- J. V2 V- S0 B, V2 f( H - ESP8266WebServer server(80);- z$ ~; ^9 s: ~9 ?5 N( ~
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
- q: \4 H, b# l - ADC_MODE(ADC_VCC);; s& g9 h d& X. O6 f
- void setup() {
. F( J1 x/ A: f/ m$ s: u - Serial.begin(115200);8 W' Q" |8 S& }9 @# Q0 z
- Serial.print("\r\n\n");- `4 \# m+ X. x, p
- pinMode(2,OUTPUT);6 h& q, y/ W6 }7 w; i$ c2 f
- // WIFI
" b8 `" u; J; E' u6 M+ v - WiFi.mode(WIFI_STA);9 \- D. p, d. p4 G7 W3 s# M8 ]; A8 r
- WiFi.hostname("Sparkle");- Z; n y2 N$ ~. m( l
- WiFiMulti.addAP("wifi ssid", "wifi password");
( h3 y+ A8 x! W5 K0 M2 _ - int tryNum = 15;
0 n0 l; @! Y) \& ~3 n( y9 k$ r - Serial.print("Connect WiFi");
6 h& j3 w4 W) J+ S' ^ - while (WiFiMulti.run() != WL_CONNECTED) {
5 S& n% |/ m' N - digitalWrite(2,0);
% k' f8 U* V: A* ] v( \ - delay(200);# f6 k' Y7 Z2 z4 m- B$ \1 v
- digitalWrite(2,1);/ O$ P6 B" O1 H. `7 z0 o
- delay(300);
4 G. Z( t! I8 M. K' y- o1 a - Serial.print("."); H |1 ~0 m: q9 F
- tryNum--;0 h% b/ M0 l5 l
- if (tryNum == 0) {" w1 n+ C7 w) b& f. Y
- // 1min e, Q3 W. @9 _# b0 L) H' P
- // ESP.deepSleep(60e6);2 ~& P( A' D* P0 h. q
- ESP.deepSleep(0);9 W& t! r% `& K
- }
1 W8 _$ a+ e0 ]3 L3 n - }
, W2 C5 ~3 {: c/ o: e, j - Serial.print("\r\n");* n ^7 ^$ q5 N
- digitalWrite(2,1);7 A* Y6 H# Z2 j: ?, S+ \8 \' D
- Serial.print("IP address : ");" M0 \ B6 u; L: ?+ Q4 h
- Serial.println(WiFi.localIP());0 |6 P: N. f0 s; p% [4 s6 l! i6 D! c$ J
- server.on("/", HTTP_GET, [](){) B! C5 J& {5 [6 ]! w. n; h& Z
- server.sendHeader("Connection", "close");
, ?' ]) s7 `& o. w. [0 h, ` u - server.send(200, "text/html", serverIndex);
% H+ M0 r7 [! k. Q4 {; l - });
/ {1 r, ?! j% y+ P; e5 @% _7 S - server.on("/update", HTTP_POST, [](){
3 |8 B2 S$ F2 m8 T- E. o- D - server.sendHeader("Connection", "close");
I7 q4 r* [: }3 G% I2 X5 B5 Q! } - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");0 J3 V; z' [& N L2 V" W& I
- ESP.restart(); F5 C$ c$ z/ N$ @( u
- },[](){
& Y' C9 c! [3 B - HTTPUpload& upload = server.upload();" u! p6 P3 q, e: k
- if(upload.status == UPLOAD_FILE_START){
$ m+ Q3 p: F9 ]$ H5 p& P; X - Serial.setDebugOutput(true);
. A( j5 [4 ]9 h& `& B - Serial.printf("Update: %s\n", upload.filename.c_str());
" s8 v& ^/ A" c* o* ]% n - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
$ p/ W: B. D4 t5 v$ q& ? - if(!Update.begin(maxSketchSpace)){
1 ?% @! Z# o9 N% K - Update.printError(Serial);) G; A$ n) E( K: e3 Z: r
- }
, I" x* N2 k3 E! N' q4 P - } else if(upload.status == UPLOAD_FILE_WRITE){+ ?6 l- u. y X
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
: B$ S* ?' `9 E! ? A/ h - Update.printError(Serial);
& L; [$ a& z' P& Y4 n5 M, q - }
6 g4 o4 m7 D9 s2 ?1 Z; E - } else if(upload.status == UPLOAD_FILE_END){
`$ v" O# a- s5 \# z; A - if(Update.end(true)){7 e: \0 y9 Q5 _2 X6 v" }
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
" _+ e* w' [1 e& |' @. L - } else { B) g! E$ m; F/ h4 T! {
- Update.printError(Serial);4 p( ^( [4 E/ s$ g* e m5 I N7 D
- }
' V+ _2 K5 \* B3 w6 I/ |! g - Serial.setDebugOutput(false);
! @. [' s+ i3 [ [3 c0 w* q - }
, r/ c- t/ W2 f% x5 k/ k$ p - yield();
' O( P3 a, R- L7 d+ H3 @/ _ - });( k; |& G# }# T9 v' K; ^
-
$ ]* ~3 `2 X7 D% A' y4 Z8 o - digitalWrite(2,0);2 K4 x5 n! B8 Q8 a# ]
- mainAction();
& W4 b9 L- q& V; i - if (digitalRead(0)){) M2 J. r1 B" e9 q9 j# |
- ESP.deepSleep(0);
4 s* x" g' I& |+ N# `. v0 m - } else {+ k3 l P- f4 G/ ?; k
- server.begin();
( S, }& U' ]5 G - }
3 |+ A2 _# }5 A' L - }- @2 Q- g, U" |! J7 u* S
- void loop() {
3 C8 f. t% N j5 O; ], A* N5 a - server.handleClient();
' N& B3 \+ J7 P: X6 U - delay(1);
/ R, x4 x* ~. r1 ?( n - }& H$ }' R" c3 H* V, l/ t, c) c' _7 f
- String doGet(String url){
: h: ?) Z4 {9 o2 W5 a/ M, E# R8 W - if ((WiFiMulti.run() == WL_CONNECTED)) {& X8 D% Y7 Z4 s: s0 Z( K
- HTTPClient http;: D3 O& a5 N4 E6 m
- Serial.println("[HTTP] begin...");: `% Z5 {" Q( {: w8 ^
- if (url.startsWith("https")) {
1 q0 V8 {+ ]) _( c/ _ - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");5 e6 B- ?2 Q$ {* T5 |
- } else {% D \' `. D3 E4 `
- http.begin(url);
3 }, X: C1 T' a+ ? - }4 F! F& B: ], `* u/ g! ~
- Serial.println("[HTTP] GET...");
, H7 e+ F _) O& g# z - int httpCode = http.GET();- m% E% \0 B' c o
- if (httpCode > 0) {+ r. {. k. l: M$ V* q) R
- Serial.printf("[HTTP] code: %d\n", httpCode);
2 i5 _! L$ v, r7 l" e - if (httpCode == HTTP_CODE_OK) {
0 D% m3 k1 ?: W1 g! e6 b - String payload = http.getString(); t P6 G) g" a4 m% _3 p
- Serial.println(payload);4 \* z+ g& {5 S8 c
- Serial.print("\r\n");% O+ d; K7 I( y- H/ W' I( T
- return payload;
6 s6 Q( q$ A" w4 T# \ - }4 Z9 ^% q7 b7 ^
- } else {+ B. e* r# S9 I0 _9 M; ?/ Q
- Serial.printf("[HTTP] GET... failed, error: %s\n",# w* H9 ^+ @) B$ b* U
- http.errorToString(httpCode).c_str());
1 h- c v. i0 h- e: g$ G - }1 r5 A% C' u/ Q' i. B
- http.end();0 M; [; K! J- |3 p8 V5 G
- return "";# f2 Z- `5 }! x% |% e+ e! [
- }, I t [; ^5 W# k) _1 ?
- } x: J3 d/ Q7 k. H
- void mainAction() {
& T4 w, [' q9 L, `+ f$ v - // 发送请求
# l P1 Z9 F% C - doGet("http://google.cn");) H5 F8 @( M$ N& U% |9 g' R1 N& i+ e- e
- }' y E5 V/ j$ e( e# Q6 M- q8 v
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