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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)7 B2 ^! ^( C) e
- #include <ESP8266HTTPClient.h>, `/ |5 G4 z3 E, x% W I
- #include <ESP8266WiFi.h>
* J: M8 Z7 p' M7 ]6 \* `: F( L+ z - #include <ESP8266WiFiMulti.h>* O9 q4 b% d! @6 { y$ t. i
- #include <ESP8266WebServer.h>
8 d3 G6 [* Y( N4 Z4 Z; c' V' A; O - #include <arduino.h>4 w- t( @8 X$ s) q/ M5 t
- ESP8266WiFiMulti WiFiMulti;4 R0 A" V, B4 g% @ t' u! \
- ESP8266WebServer server(80);' |* N! M B. ?2 U+ m
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";$ Q! {/ T; G. u$ V; ?+ @
- ADC_MODE(ADC_VCC);
( b5 Z1 T' @# s+ |: _, J4 I$ y, ` - void setup() {/ G/ S; U. y- P! g0 \( x7 y$ E
- Serial.begin(115200);
0 Y/ P7 s7 ~% I- i - Serial.print("\r\n\n");
+ l; T5 |; Q, x0 W/ d% x" T - pinMode(2,OUTPUT);+ u- J; D3 ~) r( C5 z$ g6 Q" Z
- // WIFI
7 d3 A G. R: O3 ~ - WiFi.mode(WIFI_STA);
/ _! Y$ p- D$ {8 Z - WiFi.hostname("Sparkle");! k1 G' b7 \( ~; T2 q
- WiFiMulti.addAP("wifi ssid", "wifi password");$ i! |9 @! g. _3 w) ~: w
- int tryNum = 15;
7 Z \) r- V: q! W, U0 P - Serial.print("Connect WiFi");0 i, R: c* B; n8 T
- while (WiFiMulti.run() != WL_CONNECTED) { X# D# ~( M4 l5 E/ Q v+ o) T( h
- digitalWrite(2,0);( k% j& g6 E8 `; w$ P! ? K8 i' s
- delay(200);) c/ d3 u1 T" }$ @9 y
- digitalWrite(2,1);
* w3 f3 j0 g, @$ o# E. X - delay(300);
/ \1 W& R0 c1 q0 X8 y - Serial.print(".");: o1 b% h1 w% i# r8 Z
- tryNum--;; `# F" D5 d ?% x1 G
- if (tryNum == 0) {
' d$ U" M$ f1 z( x) R' L) W - // 1min
) Q+ Z8 _/ W$ Y - // ESP.deepSleep(60e6);
- T/ [( S, C* e+ p - ESP.deepSleep(0);6 L+ y& {* F. T3 r
- }& K; ?7 M) t& Q$ O
- }5 `* g6 p4 O3 L) f+ O$ r9 k
- Serial.print("\r\n");) e6 _7 w- c! c1 u8 [ c
- digitalWrite(2,1);: A$ A7 |9 @3 B
- Serial.print("IP address : ");/ X. b7 h% t3 V- a* e8 C
- Serial.println(WiFi.localIP());
- @1 _3 ?* l) ^6 o7 g - server.on("/", HTTP_GET, [](){# Y0 U) N: ^# p: w0 O- K
- server.sendHeader("Connection", "close");
6 V3 O- P5 | g. H - server.send(200, "text/html", serverIndex);7 X* _3 p+ C. @/ e4 N# r, t" N
- });3 W$ F9 J; G, |# k7 o' L
- server.on("/update", HTTP_POST, [](){* g3 b2 H2 S- [- a
- server.sendHeader("Connection", "close");
& r0 y; e4 X2 i - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");+ Z. v4 X- P& B0 z, h
- ESP.restart();) \7 K/ G. U' H' U( g9 [
- },[](){
1 ?$ A4 @. G/ @0 c+ b0 x! K - HTTPUpload& upload = server.upload();4 p$ Y$ A. }3 J8 M$ E+ v) b( o+ h. b
- if(upload.status == UPLOAD_FILE_START){
1 h% y0 d1 ?0 X - Serial.setDebugOutput(true);
, K# [: @; s) h1 o2 X8 T - Serial.printf("Update: %s\n", upload.filename.c_str());
3 N) @6 U4 ]; O$ W+ m* x0 { - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;+ {, b ~2 _2 q1 ~& Y3 M' L
- if(!Update.begin(maxSketchSpace)){
1 C: h( b+ v" V3 J. z4 \# }9 P% } - Update.printError(Serial);' N) m: y x3 c7 _5 d5 `0 ^
- }
- F# S6 `# V* A* R/ l# u - } else if(upload.status == UPLOAD_FILE_WRITE){: U0 y' d- H: \% {. {# W, O! i
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
/ t+ {! }" @5 g, ~7 C: y - Update.printError(Serial);
' q, W0 f# E: K3 @( B Z - }2 T- c: r. E. x; s7 j
- } else if(upload.status == UPLOAD_FILE_END){
$ p W* r! a$ V: R. x$ w. N - if(Update.end(true)){
/ ~- T- G- y: i4 x- E( l( T: b - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
/ P! ~' N, X o5 s9 W; T - } else {# }1 \/ b: C) ~' t E0 L. R; u! Z
- Update.printError(Serial);; V" s6 }9 N3 z( b# Q* v4 ~: i6 t
- }
5 }( U, e# k; r/ H" \% k) w - Serial.setDebugOutput(false);
# k, d# d* D5 [6 H8 R9 | - }+ [/ d8 J T' |) [+ K6 p
- yield();
) Z% r4 [) _/ G4 {. Z - });
# _: h0 {/ I2 K7 s8 K -
* u) F, L2 Q5 v5 N$ Z0 ` D - digitalWrite(2,0);
' { x. V0 c1 i6 u" D1 z; @9 S7 U - mainAction();! T+ q8 q' V/ C: d' Q" ^' H3 x Q
- if (digitalRead(0)){9 F8 C; G; s3 K# {+ x
- ESP.deepSleep(0); s* W/ }7 @0 Y1 J
- } else {
. d9 Y+ E9 \# @9 Y% }$ N7 N - server.begin();
7 B% @2 `; O/ `# N: t - }
) `) W4 m7 U6 }# c - }
7 g- [6 t/ {0 }! \ - void loop() {
& O5 p/ Z# X3 H - server.handleClient();/ Y! N3 O A: I. D! V
- delay(1);8 g7 Y% _+ q; t/ Y9 `; o: l/ D2 ^6 D
- }! V9 R! R( k6 T! q3 U# S5 L8 C
- String doGet(String url){
% J1 n' q( v/ q/ c - if ((WiFiMulti.run() == WL_CONNECTED)) {
* R8 V0 P) B$ ~8 G) r - HTTPClient http;
- a# b; e' W% C" i: Y - Serial.println("[HTTP] begin...");/ q; x- w5 |5 T% }& w7 N# }2 Y
- if (url.startsWith("https")) {1 ~. \" Y! b( I7 e* T. e$ C
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
7 H( |: j* c" n L - } else {
9 A P* N5 U3 F! c6 [ - http.begin(url);
2 g2 l% h2 s: k+ y2 T9 D. x - }. s& o3 h1 ~ h, \+ d; `
- Serial.println("[HTTP] GET...");
X) y. ~# V; {, Y# E* n - int httpCode = http.GET();
, t7 u' J! [0 }2 v$ T - if (httpCode > 0) {
2 \* l; u4 M9 s+ z - Serial.printf("[HTTP] code: %d\n", httpCode);
, g- m1 y1 R. L- d - if (httpCode == HTTP_CODE_OK) {
$ t2 E5 ~% G$ l& b' M2 j0 M - String payload = http.getString();
* l. g. M# b$ b - Serial.println(payload);5 C2 Q f% q' M# | `
- Serial.print("\r\n");' U( W7 |9 J6 { C* _
- return payload;# Y. J4 j" Z3 ?% \/ F4 Y
- }3 f: [4 J6 R: B' _, P6 n, \5 @
- } else {/ `; s$ |/ I9 h7 [9 e6 D
- Serial.printf("[HTTP] GET... failed, error: %s\n",7 e4 n, ]# P+ u5 F+ z8 z! S* q
- http.errorToString(httpCode).c_str());
! p4 N+ d( g( K* h7 b - }3 k, p4 @- ^4 J) }. k9 N5 P$ H5 L
- http.end();
+ c1 S9 \, t8 h5 D - return "";* J8 {2 g. u2 b$ ` V# a9 _* t/ |
- }( O7 s; f3 g: {$ n6 |0 ]( f0 n
- }' E. a7 b' Y- [0 C
- void mainAction() {! v; y& _6 @ z- u1 w
- // 发送请求
) J0 L' t: c/ Q" n' j# N - doGet("http://google.cn");
# B4 h% Y$ S, E! [( t9 a - }
b5 Z5 f7 k$ R9 H9 d
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