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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)) Y* ~. j8 U6 e# Q( a$ P
- #include <ESP8266HTTPClient.h>% `2 A/ ]* u: ?$ O5 R( m, R
- #include <ESP8266WiFi.h>
0 B5 h; e: O1 \, o3 l - #include <ESP8266WiFiMulti.h>" `8 H7 ]5 m, G! F) C2 Z
- #include <ESP8266WebServer.h>1 V7 M2 B% q$ C) T3 \
- #include <arduino.h>/ R3 q: Q7 c. t
- ESP8266WiFiMulti WiFiMulti;( t9 Z/ ^3 ?) K' R c# [+ w
- ESP8266WebServer server(80);
9 x$ f& L: {' C/ {9 y8 K* E8 F - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
6 W& c. S$ o4 z& L9 _. O - ADC_MODE(ADC_VCC);
/ w% S4 \# K* |1 i, V5 S ^ - void setup() {
; ]% c+ g' s& c' l* B4 \ - Serial.begin(115200);
. v. ^, u, P' I: I' c3 ~2 p/ Y - Serial.print("\r\n\n");
/ u4 x. W1 n1 s) g - pinMode(2,OUTPUT);
! [3 F$ ] `- m+ L3 } - // WIFI: _& E6 ^, {& D1 J `6 {
- WiFi.mode(WIFI_STA); m8 d4 x: P% N$ m
- WiFi.hostname("Sparkle");
# c0 }, e0 K, f: F - WiFiMulti.addAP("wifi ssid", "wifi password");/ g) f# `- ?: U4 Y8 f* \; m
- int tryNum = 15;6 M+ P" ^7 q3 A- `
- Serial.print("Connect WiFi");, i/ Q- G& i+ D
- while (WiFiMulti.run() != WL_CONNECTED) {
" E5 D- t1 [5 d# d. K6 Z - digitalWrite(2,0);1 J4 H9 o2 i# }. O" D
- delay(200);7 A2 M7 W1 E* C/ w
- digitalWrite(2,1);/ n. Y* n3 G0 i8 s7 _) f
- delay(300);& S, ~7 O3 x6 X: g r' k
- Serial.print(".");2 C* k& }" J. N: z
- tryNum--;5 i4 m' g% m! N0 R# s/ F* h
- if (tryNum == 0) {
) F# W9 }- G2 i4 \ - // 1min
* G& w, N+ ?. u) v3 K; D - // ESP.deepSleep(60e6);' C( \+ j* q0 B0 H' G g* s
- ESP.deepSleep(0);
& g w) Q+ c9 c3 G* } u - }3 |& p; C3 R. f0 t
- }# g1 i9 _( V5 |5 l H% V2 i
- Serial.print("\r\n");
+ `/ ^) m u$ D - digitalWrite(2,1);8 i4 f) t! t; N% K
- Serial.print("IP address : ");/ D! i* L& C: A* S5 j7 W
- Serial.println(WiFi.localIP());
' o# U% D/ V; ]9 Y: u - server.on("/", HTTP_GET, [](){
* q; Q9 u( |2 m5 A2 D - server.sendHeader("Connection", "close");
) v% W; I" U( X - server.send(200, "text/html", serverIndex);* L: b& H# I |7 v7 \" A+ F) v+ J1 X
- });
. z( t; a O. ]' ~( n7 t - server.on("/update", HTTP_POST, [](){6 h5 Z5 n+ O4 J, W
- server.sendHeader("Connection", "close");
! e$ Q1 O5 e# q* m - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");9 T- l! X( B) b# K
- ESP.restart();
+ V9 d( f4 e# S& O. i$ |- Y - },[](){' h* I( N1 M' H! z6 M! P5 u! O
- HTTPUpload& upload = server.upload();* z# j n `# \9 @, \3 O
- if(upload.status == UPLOAD_FILE_START){
- Q2 z. T1 X6 H! i/ l - Serial.setDebugOutput(true);
# `0 R( V9 \+ C# F3 Y - Serial.printf("Update: %s\n", upload.filename.c_str());
8 }5 }! p1 y `" h4 e1 e - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;/ W W. {+ {, O. |, P1 r7 e
- if(!Update.begin(maxSketchSpace)){- l" F" m: ]5 ~3 f; Q
- Update.printError(Serial);
! K& P! n- u8 r/ m - }/ U5 N, `" S, m- ^% s
- } else if(upload.status == UPLOAD_FILE_WRITE){4 E1 w x; B% o# H9 H$ |
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
4 ^. N! \' k& L, ]+ f - Update.printError(Serial); v) ]6 o- Z* j; u' G1 v- M3 z
- } R* `8 B6 y1 V6 t3 c1 b
- } else if(upload.status == UPLOAD_FILE_END){, h" c3 X# ]' G/ C' O* `
- if(Update.end(true)){
+ n7 N, i$ G/ Q+ l) C/ S! `4 ?+ B - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);* ^, y5 a/ ~! R) e& q& t9 w7 ~
- } else {
' n: |$ n H4 g% E; ^ - Update.printError(Serial);
- f, L: o/ s" ?: w w5 b* S - }
]. P& ^1 R3 b" i. v5 g - Serial.setDebugOutput(false);9 q5 f! @" [4 b! m/ O: Y
- }
* k+ R; v' _) I( x1 K0 S - yield();& Z7 ?! m6 k: X( p0 E2 p- J
- });/ S. ?1 P$ q( Z5 y
- ( k; s" G9 {& f9 @. v
- digitalWrite(2,0);! }: { f/ n* }9 T
- mainAction();
$ @7 }7 o: ]! x+ u5 U% v0 X - if (digitalRead(0)){4 t2 h% K) z6 w& a
- ESP.deepSleep(0);3 O* c! I# \( N2 @* v% Y' m
- } else {
) x( h" m. I/ m" V5 | - server.begin();# @' Q C. i# q& a1 f, {
- }& w& l" p: [9 R% Z; D" P1 P
- }- n# ]; T% ^4 L. d3 B
- void loop() {4 Y# o" U% X* D9 \0 _* Z7 {) c2 D! V
- server.handleClient();$ J" J1 m) _) n( G) ^2 G( {$ u
- delay(1);0 s$ C( ]7 _9 I2 \
- }9 f, U0 y; x9 u" b' x) U
- String doGet(String url){6 _: m7 D: m2 k' `: M
- if ((WiFiMulti.run() == WL_CONNECTED)) {1 c- V& r8 f, O* m8 t
- HTTPClient http;2 C, U! r% N8 c2 L, M2 f7 \
- Serial.println("[HTTP] begin...");
0 Q) D& f, G: \ - if (url.startsWith("https")) {0 z) X, a" Z, V; K: F
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
0 c; M# s4 h0 Y - } else {
1 z( ~+ h# i9 Z' @2 X9 ? - http.begin(url);% z8 i1 L; s( _; |9 p
- }. c3 k, `7 I! D! P4 p
- Serial.println("[HTTP] GET...");
! _! \/ a' v- M - int httpCode = http.GET();9 o) u. A; y* U' T
- if (httpCode > 0) {
7 M" y$ d7 o; s' S. B$ \6 P# c/ P: O - Serial.printf("[HTTP] code: %d\n", httpCode);
/ f" Q1 t3 L7 O3 q1 |9 {% d - if (httpCode == HTTP_CODE_OK) {) c! y# P4 d5 W
- String payload = http.getString();
8 _* c3 ]+ ^/ L/ f2 Y - Serial.println(payload);
+ i" J) f5 G* A$ P+ R8 p; m - Serial.print("\r\n");/ d S( R" V7 H$ \# v. _
- return payload;; _9 ?: W3 K, f n2 x4 B
- }
- }4 u( D6 q3 X( ~8 g0 o - } else {
2 Q( a8 F N7 j8 \% R( C! J- b" X - Serial.printf("[HTTP] GET... failed, error: %s\n",
9 A5 [, @/ r2 N; S" m+ q* D# X - http.errorToString(httpCode).c_str());% ~5 M; u1 e8 |7 A' q
- }
9 e1 @' O6 M; q - http.end();
. Y7 H; ^2 Z, x- i K, G - return "";$ G8 u! A. u! O. Z# Z) i- y
- }
/ P5 T$ S8 H! \1 C% z+ o/ g6 A - }
% x6 l0 k) s1 I2 U+ D' \8 W# n/ a6 F - void mainAction() {
7 ~+ s N' |8 v# h7 H* @ - // 发送请求
. k0 e/ W+ V. _1 m - doGet("http://google.cn");
1 C6 K8 ]+ e+ x: ~ - }
: E# Q! d, i* Q" _5 a3 @2 Y
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