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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)* [ j" g ?1 T9 B) |# e P4 ~' O
- #include <ESP8266HTTPClient.h>
, i5 S# _, _1 L$ {! \ - #include <ESP8266WiFi.h>
5 S% ~2 b/ q5 R6 P; I - #include <ESP8266WiFiMulti.h>$ {. U$ |/ p8 S7 E% t8 q
- #include <ESP8266WebServer.h>
( D; H9 x2 }+ }7 j" p - #include <arduino.h>
) [6 u! T5 ]) b% a( \9 h - ESP8266WiFiMulti WiFiMulti;
+ g) O8 n7 K; y - ESP8266WebServer server(80);
! j# x! c# B7 H2 S; W& f - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
7 h# S- i; N! f/ @ - ADC_MODE(ADC_VCC);# X, V& j/ {0 }, w: K4 X* G3 U
- void setup() {
/ o3 U( R$ \$ R - Serial.begin(115200);
8 z/ x% p4 [4 V1 ?- p* l - Serial.print("\r\n\n");+ u/ c! s- {0 J% `0 o" G' M
- pinMode(2,OUTPUT);
+ _ \) `6 V2 z1 `: d" ] - // WIFI
: ~% m/ ]5 e0 L d - WiFi.mode(WIFI_STA);6 q) {! K$ B7 P0 l5 M' w; D
- WiFi.hostname("Sparkle");/ D8 W( @# I! s( D$ M. m3 Z* E
- WiFiMulti.addAP("wifi ssid", "wifi password");, s7 T/ s1 x) w4 S) f
- int tryNum = 15;& X; ~: f! Y) R L
- Serial.print("Connect WiFi");3 D; f! f5 n" ^0 R1 d$ [
- while (WiFiMulti.run() != WL_CONNECTED) {$ b% A6 l; \3 W, f
- digitalWrite(2,0);
0 \+ h8 O2 z; \ - delay(200);. M$ O0 m! I( w3 s# \/ h/ g2 v
- digitalWrite(2,1); u: i" w6 Y4 K' E$ o
- delay(300);$ f. k0 J; `1 `. u8 q
- Serial.print(".");
: K. o& v! c' |$ s) p. m - tryNum--;2 `& O1 S/ y1 K3 Q; U/ a
- if (tryNum == 0) {' H2 a" B% `0 {: J! o
- // 1min" d9 ~9 @) M& q* d
- // ESP.deepSleep(60e6);/ {, N- K: a+ d! b5 S+ U# b
- ESP.deepSleep(0);6 W; H" z, N1 B! I! N0 q# }. s8 s
- }
; [4 w$ n/ n7 K1 H- A% Y - }
+ Y9 l# {7 B5 b, _, P - Serial.print("\r\n");
8 c- G! Q5 R- B: j6 W - digitalWrite(2,1);
4 s7 I+ l/ ~( E1 u! w/ e2 ~' t6 k - Serial.print("IP address : ");
7 K, U4 w0 U! i - Serial.println(WiFi.localIP());
# Y z' S4 N2 e' R - server.on("/", HTTP_GET, [](){1 t9 n, a! L% `6 a
- server.sendHeader("Connection", "close");* w R$ u$ Q6 ?7 |. H
- server.send(200, "text/html", serverIndex);
. _- ~, }/ ~8 G. J/ [9 _ - });
/ J' I! S- B9 r5 I - server.on("/update", HTTP_POST, [](){
0 K+ U, Y- V: B5 ^2 j, ]& o4 y - server.sendHeader("Connection", "close");
' {. v" K. V) F# e - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");/ }/ a3 ~9 P; O) z0 T
- ESP.restart();
1 b9 F5 s( l# M4 L6 c" [% {2 j - },[](){
% @) _2 k& l/ G- [/ ` - HTTPUpload& upload = server.upload();; W0 [1 }9 H* j
- if(upload.status == UPLOAD_FILE_START){
. V1 @2 {% f T. }# Z3 C9 E - Serial.setDebugOutput(true);
7 Z8 I1 d) p% S* F - Serial.printf("Update: %s\n", upload.filename.c_str());6 ]7 ^ J5 @* F8 ?8 Q( L
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;5 H2 M$ \: I u5 R
- if(!Update.begin(maxSketchSpace)){
" Q& J9 G% a9 `8 a7 L @ - Update.printError(Serial);" d6 E' Q! Z' V4 z. \
- }5 {0 ]2 @1 u2 G% Q5 u6 ] H. y
- } else if(upload.status == UPLOAD_FILE_WRITE){
) w! Y' l0 T$ y& C* X - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){0 Z* K3 i: c* i
- Update.printError(Serial); c' K3 ]( h- n: L
- }
# b2 y! U' [+ t - } else if(upload.status == UPLOAD_FILE_END){. Y2 D2 ^) `; q7 W9 ]; _( }
- if(Update.end(true)){
: U, A5 ^0 W+ b - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);" [, q8 Y) W" Q4 ~+ D+ l
- } else {4 _7 `' s; k0 ~
- Update.printError(Serial);
4 s) ~) l9 @& G5 x8 Q - }) v8 x" p6 {# R' A# E
- Serial.setDebugOutput(false);$ M0 j' X5 o* z5 ^. g! f6 F
- }. o+ u0 X8 r1 \& p8 j
- yield();
) ]$ g+ a/ ~2 K3 v7 }. A9 q- X' g - });$ w% H0 S( V' M- {$ w9 E
- - E i; `& ]# ?4 F' F& \
- digitalWrite(2,0);0 {1 N x. k( ], u7 ? ?
- mainAction();1 T) n. u1 b( V3 n+ @& w, |
- if (digitalRead(0)){
" x. N- ^& t, p3 L - ESP.deepSleep(0);
) Y" k, q6 {, d H7 M, P; Y - } else {3 E! K q4 I$ K% u" |
- server.begin();
6 O0 [2 y a X' g - }
; u6 ^0 u( ?+ f: A - }
3 N4 n9 ]; ?% r0 C4 }9 A - void loop() {
7 k. E/ ?2 c* ]% t+ f/ Q - server.handleClient();; h" l- ]6 T( d% _. v0 ^. K
- delay(1);- Z: ~0 p0 [( l! a/ X6 @5 _
- }6 i% Z) G+ E- f2 E8 D4 n5 l" @& O5 x
- String doGet(String url){. L/ ]% K" M. I; [; W% c$ X
- if ((WiFiMulti.run() == WL_CONNECTED)) {
6 K+ A$ c" T1 | - HTTPClient http;2 x9 q$ G* Y/ w1 v8 C* g
- Serial.println("[HTTP] begin...");/ j0 X# h" N, f u0 C- V% e
- if (url.startsWith("https")) {5 P4 t1 z) W4 z5 J
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38"); Y' U* J0 J, F
- } else {
8 V0 |- w7 p( B - http.begin(url);! b+ Z. _* z, }( H2 w
- }
# p2 A4 n1 w( h/ {( f - Serial.println("[HTTP] GET...");
, {7 t& M/ C- i% P# z0 j6 U - int httpCode = http.GET();/ K1 I+ n$ C0 X2 Q: f
- if (httpCode > 0) {
+ ?; Q3 q$ L, ~, ~# e* W - Serial.printf("[HTTP] code: %d\n", httpCode);
6 H. g+ g& t6 [* a4 @" } - if (httpCode == HTTP_CODE_OK) {
5 y1 E L" h2 C8 Q0 ~* R - String payload = http.getString();& B* E4 ^# _' d; {
- Serial.println(payload);3 J/ N; c6 \) O% p# v
- Serial.print("\r\n");
0 |& j, m3 G$ R - return payload;# J: N( x, y6 Q( e
- }+ k( Z' q7 m' K
- } else {3 c2 @6 \' y: k, `" o$ i2 U/ K
- Serial.printf("[HTTP] GET... failed, error: %s\n",
3 x* y6 g y# e5 l0 p) l9 Y3 V% I - http.errorToString(httpCode).c_str());
5 a8 j/ K) m. b! `7 r+ e' M - }
/ |+ @ s& Q; l8 v% B! ^' s1 g - http.end();: d% z: {4 {' ^! }" t' v q
- return "";6 L4 D8 C6 J& ~! c! K
- }* y; @% G/ @" n# P
- }
6 p& T* H# }, j; ]- R - void mainAction() {
8 W$ ~$ F. N% I8 N/ T - // 发送请求
$ {* _" {) g4 E# d* R0 v - doGet("http://google.cn");
3 f# J- |0 q" V3 _' n* p& x - }
$ Y; W9 W1 \4 B8 h1 z$ S& W7 v
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