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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)
; x8 t5 ~ B+ o" b* }- #include <ESP8266HTTPClient.h>
' P: q/ M) A. P3 R- n" l - #include <ESP8266WiFi.h>5 ^7 O0 G; m* s! e
- #include <ESP8266WiFiMulti.h>
/ c$ A2 g% Q6 q. _; J - #include <ESP8266WebServer.h>
! Z' J- |4 l5 `, g0 Z n8 q - #include <arduino.h>$ Z4 e" {% Y" v: o! g
- ESP8266WiFiMulti WiFiMulti;, [9 Q# N) m7 @* b% W- H% w
- ESP8266WebServer server(80);
' }1 J6 O, t7 _' o' O* X - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
8 ~, v" O8 [; \ - ADC_MODE(ADC_VCC);5 ~$ N, B; g T6 U
- void setup() {5 ]4 P1 C2 j; D" S) v: f/ J
- Serial.begin(115200);
+ s9 _2 o) P+ [$ J* @ - Serial.print("\r\n\n");
& j& v3 d# K6 c( k( b - pinMode(2,OUTPUT);
4 i# P) e6 G9 _ - // WIFI* W: U+ N) ~) _; i$ V
- WiFi.mode(WIFI_STA);+ i/ o8 e; _' R/ i; R$ w+ D: b
- WiFi.hostname("Sparkle");
4 D ?/ ?: _8 Y+ S9 o! W! _* e - WiFiMulti.addAP("wifi ssid", "wifi password");
) P4 s* W( L2 v/ e3 Q# w$ ^5 w3 l - int tryNum = 15;4 ~$ m7 Q9 L* T: V n
- Serial.print("Connect WiFi");3 }: f( ^: A7 B9 ?( W, _5 D
- while (WiFiMulti.run() != WL_CONNECTED) {
& c# q4 d# t) J# J. N4 B! n% g - digitalWrite(2,0);
! s# y# @3 l+ q% r" a - delay(200);
- {6 z9 A: j. S) j" M - digitalWrite(2,1);
0 z9 p! Y) @1 b4 L: L- Z - delay(300);
W5 i' G+ o- R& |/ |$ ] - Serial.print(".");
, l2 }: N1 L* M& y. | - tryNum--;" t1 v0 ^6 |- h2 q2 N' E
- if (tryNum == 0) {
, f5 b9 g5 h4 i - // 1min5 L" I! c8 j Q. K- h2 g; |
- // ESP.deepSleep(60e6);
4 b. ]- p0 S8 b* Q8 A; D - ESP.deepSleep(0);6 W2 W7 q# j# q5 C1 W
- }' x( |+ ~' C' F( `9 l2 Y2 b
- }
- d$ r- v( T4 j - Serial.print("\r\n");
7 B: A3 O7 S. [6 E' \* } - digitalWrite(2,1);
# I8 p; u" {! s$ e8 P - Serial.print("IP address : ");
" o# I+ O" d2 R5 e/ w - Serial.println(WiFi.localIP());0 Z5 L# J' Q" \1 {7 g; [
- server.on("/", HTTP_GET, [](){: A; Y" l b$ z9 | S) _3 q0 V
- server.sendHeader("Connection", "close");
3 [) j# t! m4 o7 d - server.send(200, "text/html", serverIndex);) Y2 x, @: v+ b; I
- });* e( @$ z2 e4 L Z3 `
- server.on("/update", HTTP_POST, [](){
+ h. K- k4 \$ a! Q - server.sendHeader("Connection", "close");
. Z5 Q5 m5 ^4 f$ [6 \ - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
0 |5 e4 Z+ p4 n' n l - ESP.restart();! U( s0 |; o. f9 w% v: d2 x* u8 E
- },[](){
2 I, C) e3 F& k# W2 L, h* m - HTTPUpload& upload = server.upload();) q$ x4 L$ w4 k! h% m
- if(upload.status == UPLOAD_FILE_START){) h$ P. w) ?7 t G ]9 f
- Serial.setDebugOutput(true);! s7 y. }8 M0 r5 [; V2 T0 [
- Serial.printf("Update: %s\n", upload.filename.c_str());+ H5 h- }6 {1 a
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
/ Z) A5 p0 z' b- M; W* l8 x - if(!Update.begin(maxSketchSpace)){) U( P; j; [+ j! T: z
- Update.printError(Serial);" I/ F5 q* F G1 |0 p* g2 B; e5 X2 n
- }8 x( S& A+ g0 b( a' i* Q3 j
- } else if(upload.status == UPLOAD_FILE_WRITE){
8 m- e2 V8 G( T2 o/ F - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
& g7 `! r% H9 `4 ^7 L# {1 { - Update.printError(Serial); N; l, [0 _2 q5 P
- }
3 L& i7 a! ]) m% i2 g - } else if(upload.status == UPLOAD_FILE_END){$ s8 H0 R5 x" S$ Y+ p( R# U, K
- if(Update.end(true)){
4 p" m3 v# U5 D - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);) z9 i7 w- c' P% x
- } else {9 a$ @; L+ X2 G7 m$ ~1 s! `
- Update.printError(Serial);0 t2 R* i8 d; n8 s C
- }6 O0 m# J/ z! M8 t! n6 b6 D( e9 l4 ?. m
- Serial.setDebugOutput(false);% i2 k3 ]7 m, q' T3 V2 T g
- }) d7 ], P" f" X4 ~) l8 b. K
- yield();
" D+ D1 |$ q* C4 O7 v0 p - });
# S4 j" U+ ], Z -
- n: I" ^9 m3 [/ \. T+ n - digitalWrite(2,0);
, @ o2 i9 F/ Y5 c- } - mainAction();; F* b' Z- S L' O7 ^+ a
- if (digitalRead(0)){
+ b" ^" g( ~' s' T# ?3 E( _ - ESP.deepSleep(0);
D! |& z$ Q) W2 g1 | - } else {
9 n3 y: ]9 y# S3 Z' W7 H3 p; X( F, v+ Y - server.begin();
. F4 k, H/ T* M/ D. D! p- w" F - }& P) C9 Z# s- t' N/ B: O
- }
- q, y( c. r, f- E2 |# E) N9 r - void loop() {2 Z! I/ R' t% \) `5 Y$ C
- server.handleClient();) l/ V: e/ a4 [
- delay(1);
) u$ ?3 K! [/ j! p) u% Q - }
: [2 a" J( f" m, V; d% w( ^ - String doGet(String url){* m/ e: F+ G, ]7 A* T2 ~0 Z z/ B0 N
- if ((WiFiMulti.run() == WL_CONNECTED)) {) u- N" q" @' Z& p8 ~" p0 z8 W
- HTTPClient http;) r) f8 A Q, {" Z) L( K
- Serial.println("[HTTP] begin...");
0 l8 U% K6 M1 C. M: y - if (url.startsWith("https")) {$ g, o1 q7 [0 v% z
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");+ e$ o3 d3 O1 z% s$ x
- } else {
( U- p3 k% |6 O# y - http.begin(url);' m2 c) G5 P" x+ Q
- }8 g% n% D4 a! ^& K/ a. i: z& M
- Serial.println("[HTTP] GET..."); F1 h: i% @$ e; R( ^$ n/ w
- int httpCode = http.GET();! \- w. \( @) u# x% J1 K1 [
- if (httpCode > 0) {
8 }0 A+ U4 U; j* ]. `9 E! i - Serial.printf("[HTTP] code: %d\n", httpCode);
6 P6 @- T4 w" i% O: K - if (httpCode == HTTP_CODE_OK) {
) s, J( q" }5 `- w - String payload = http.getString();
; x) o2 D6 n8 C - Serial.println(payload);9 d. p e8 B$ r( P; W8 E2 h
- Serial.print("\r\n");+ u% {; i2 \. }) c' T
- return payload;# z I L+ ]: c% ?5 j
- }/ V6 c6 H. t2 p9 g3 X/ P
- } else {$ l( D7 I2 G6 G5 K1 a6 w2 U3 s
- Serial.printf("[HTTP] GET... failed, error: %s\n",
8 I8 W. F8 L C" i - http.errorToString(httpCode).c_str());
% [7 G1 u; Z( I6 G; v - } f) p2 o3 q9 U) j7 \" x5 q
- http.end();1 z- s9 W6 Z' H3 U
- return "";( L' A4 g% f6 _
- }
$ P! w; \& f1 L8 E& K' R q5 t - }. x6 g; x. s( `' L) t* n
- void mainAction() {" a+ J$ O0 i) c/ j, V* D, M/ q
- // 发送请求
8 [9 R4 V( T# g3 z$ z9 M1 g - doGet("http://google.cn");
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