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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)/ h1 z2 k& c7 V9 m: @
- #include <ESP8266HTTPClient.h>8 n1 Q3 s+ t% b* O' D+ ?
- #include <ESP8266WiFi.h>
) \1 h: H7 ]! z- S5 Y - #include <ESP8266WiFiMulti.h>
6 ~# T$ J0 [! I1 {' y T0 `5 J - #include <ESP8266WebServer.h>: J1 z5 [- x9 U1 X# V" P
- #include <arduino.h>* k/ T. S" o, R4 G
- ESP8266WiFiMulti WiFiMulti;2 b& ~) Z7 U" [, ?5 s' S l
- ESP8266WebServer server(80);6 q& w0 F3 Y0 z$ l" w9 d7 p
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";& q9 F8 ^4 l2 g- O, J
- ADC_MODE(ADC_VCC);
- j0 ~( j3 R5 z6 K7 U! x( m; F - void setup() {" ~, _" i! G- F
- Serial.begin(115200);; b6 w" b8 g6 v
- Serial.print("\r\n\n");
7 G& a/ b+ X- C9 l: E2 c/ ? - pinMode(2,OUTPUT);$ J5 n0 j: l$ ^& X
- // WIFI
4 m1 w, l- W+ x$ H - WiFi.mode(WIFI_STA);% O4 `6 h) G M/ g4 r! t
- WiFi.hostname("Sparkle");5 ?- L+ c" f* a' |
- WiFiMulti.addAP("wifi ssid", "wifi password");
: F* r! y& E7 R v$ e9 W4 y& o - int tryNum = 15;
# s% v9 ^2 Y2 o# p) D" T - Serial.print("Connect WiFi");
" b3 Q% ^7 I+ ~; T, ?$ f - while (WiFiMulti.run() != WL_CONNECTED) {
) B! }) l0 k, b/ ^+ m' a - digitalWrite(2,0);
, c; ]# r9 \3 K6 ^% K: h# |. ^ - delay(200);( a& J3 @, |; ?
- digitalWrite(2,1);
7 J1 p8 B* N. d% |$ W - delay(300);: w& x5 G- O4 K! F
- Serial.print(".");
+ E7 L/ ~3 k* ?& j9 Y9 p* H - tryNum--;3 g) Z$ U! G1 ?0 K- g
- if (tryNum == 0) {
) G2 b" E) A( f: j$ n - // 1min- m+ E' { w0 j4 a- i
- // ESP.deepSleep(60e6);
9 K# ^1 X% S, _7 r - ESP.deepSleep(0);4 u* }- m; U {
- }% C; q3 e" A2 U: S* O8 j" M
- }
9 ]5 Z8 Y- I: R( j - Serial.print("\r\n");% L% b' H8 G, `, Q+ e) O% q; v. T
- digitalWrite(2,1);1 v( H# D2 m- o- h, p# j
- Serial.print("IP address : ");
7 J7 d5 \) y4 a T9 ~- R8 j - Serial.println(WiFi.localIP());
! f: d; E' o$ h% T% ?8 r' u - server.on("/", HTTP_GET, [](){
* g! ]3 Q0 ~0 u1 C% X' J$ O - server.sendHeader("Connection", "close");1 ^8 R1 p# Q9 h8 w4 L p* m5 C2 z
- server.send(200, "text/html", serverIndex);
* Y+ v# x" X. M& N, ` | - });9 P: K9 c) c e" U( o
- server.on("/update", HTTP_POST, [](){0 j. H9 [. q4 G3 Y7 R7 [& M
- server.sendHeader("Connection", "close");& ~* G4 \9 n' k
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
, Y; q9 K2 ~- V. | - ESP.restart();
1 ?9 X$ S" I" C7 ]# l - },[](){
5 O$ {/ X7 } D - HTTPUpload& upload = server.upload();8 e8 E7 x. s0 s5 x0 Q& D& C
- if(upload.status == UPLOAD_FILE_START){
5 E0 A3 [1 h5 g& V# C! ]7 n - Serial.setDebugOutput(true);
R; u% q s' E* z - Serial.printf("Update: %s\n", upload.filename.c_str());
5 q# E, y$ }' p7 Q" f. A( ` - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
* g. W9 k( h _4 D9 W - if(!Update.begin(maxSketchSpace)){
`" {. @5 W, J( M$ Y - Update.printError(Serial);
! w f5 r# [+ B1 N5 q4 a - }3 J& A# [1 `* a! @- Y" h, `
- } else if(upload.status == UPLOAD_FILE_WRITE){+ c) ]! \4 @# |5 b$ S) c; N
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
( u% N k3 _2 P& B2 X$ m* f - Update.printError(Serial);* @1 j( @/ t+ o) k( B0 h
- }6 C) K3 Z( e. E
- } else if(upload.status == UPLOAD_FILE_END){
1 B: T2 k. C, a3 p* y2 E4 j* D+ ] - if(Update.end(true)){
" `) O2 }0 ?) B: V V) S - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);. y6 t* j0 n& o% T
- } else {
5 Z& b+ y5 F4 Z: }6 { - Update.printError(Serial);9 i( b: A! _7 l
- }
$ I+ Z; R; Q4 Z" x - Serial.setDebugOutput(false);
! E+ Y2 Q& P, N2 K/ W* { - }& t$ C4 {: D% Y# d$ p( a
- yield();
6 i" S z# F! h2 d - });
' c3 n2 @7 r# M0 [' U -
+ d! Z- u. S! `7 @5 D9 g - digitalWrite(2,0);
+ p( ? W' |9 }3 ]# r( Q - mainAction();+ Q( E! C3 r: l1 t& p
- if (digitalRead(0)){+ e% A; F L. b, U. g
- ESP.deepSleep(0);
7 D5 V( S- K: ?8 S$ s+ |5 w - } else {
- e5 ]) m" J u1 W: L - server.begin();
6 q! R2 {6 ?/ V1 } - }
) @4 u- r& l1 q2 ~. [) T - }; B) i$ ?/ p1 Z$ u4 j4 \ k
- void loop() {
( D: h* s# B# F) L - server.handleClient();
6 i1 }( S/ a/ C3 S+ j6 R- \: f - delay(1);
& A ?% J; l$ m; d0 _& y0 F - }1 g1 w) @7 Z# Y8 X: D0 N# N- N
- String doGet(String url){
! }* T5 X! R2 D( R2 c* h - if ((WiFiMulti.run() == WL_CONNECTED)) {
7 `2 _2 a- F; J" ]* s - HTTPClient http;; i- H [! d0 ]% a
- Serial.println("[HTTP] begin..."); a+ A1 d, U5 M3 D0 K; m% y6 K# W) f
- if (url.startsWith("https")) {! J8 G" C1 I/ h
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");- a" t! k" L o0 t: g0 {
- } else {
: J7 \% \# F0 t" ?& W9 Q - http.begin(url);
: [4 O' |- U% n# D1 Z5 V( F - }" f( x7 q" P1 d8 L. V
- Serial.println("[HTTP] GET...");
# S+ R2 K3 f# F, B/ X" P$ B' b - int httpCode = http.GET();) m5 U6 e5 ~" N, O
- if (httpCode > 0) {4 r9 ^; s1 H) h6 i$ ~& Y
- Serial.printf("[HTTP] code: %d\n", httpCode);
9 Q; @+ K, `- H" @7 y. c* J - if (httpCode == HTTP_CODE_OK) {
9 F5 U' D7 j+ ^ - String payload = http.getString();
/ b% @/ _( ?- t$ c9 } - Serial.println(payload);
3 b# Z8 D/ F4 p1 c0 d3 y - Serial.print("\r\n");
, y ~" \2 `9 \* C- @& k - return payload;1 K" p* X8 H( v& ^
- }9 ?- z$ Q2 p* U6 d; q
- } else {9 ^5 F# n; F; q e; k5 A: u8 d
- Serial.printf("[HTTP] GET... failed, error: %s\n",- N' t: @3 k5 k* r1 v
- http.errorToString(httpCode).c_str());/ b5 s, c$ t! O/ @0 ?6 q8 q0 z+ t. u
- }
! l1 r* a5 c: w7 H" P - http.end();+ B$ x, k" K, f6 N( m h v, a
- return "";& z$ W, c3 |, g5 k3 ^+ g1 g+ u
- }: s- z7 `( F/ O: p( S5 \
- }0 ?) t. U0 y* }7 c+ h. d
- void mainAction() {) h1 O2 g" a1 e( i1 f
- // 发送请求
/ _3 B5 I/ z* L- R - doGet("http://google.cn");
+ k& [& p/ i9 C; V - }
# [, ]' F) I5 m4 y- Z6 g
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