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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 X% k9 Z" c5 E# c% c: j6 f' M" O
- #include <ESP8266HTTPClient.h>
1 w8 v- F& e+ ]6 Z8 c - #include <ESP8266WiFi.h>$ X! ], u$ ~% {5 M+ k" W
- #include <ESP8266WiFiMulti.h>
8 ]" n6 }" B% N - #include <ESP8266WebServer.h>
3 [% V( R/ u- B! X/ b) m - #include <arduino.h>$ O3 K. M. C% o3 y5 a6 { i
- ESP8266WiFiMulti WiFiMulti;
. h+ n# p: A2 d9 L - ESP8266WebServer server(80);
3 u3 {. C* A J; J$ G - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";& ]2 H5 \5 D( y3 W
- ADC_MODE(ADC_VCC);
5 N$ L/ E8 n" x% o! i. Y8 | - void setup() {
}8 s& L- U0 b" M - Serial.begin(115200);
% b% f, V' y. x7 ]# Y - Serial.print("\r\n\n");. \9 s) }' ?5 l; G
- pinMode(2,OUTPUT);
8 T% L0 x. T. B" C; H0 V - // WIFI
$ p$ x, {; C, P: K - WiFi.mode(WIFI_STA);7 V9 Y5 Q! _4 I
- WiFi.hostname("Sparkle");9 ]8 x5 h! l+ B: G
- WiFiMulti.addAP("wifi ssid", "wifi password");5 z X+ u; m; p4 r D8 |
- int tryNum = 15;$ G9 o( t! W3 j5 R, P' x
- Serial.print("Connect WiFi");
* W: T/ S) n) ? - while (WiFiMulti.run() != WL_CONNECTED) {3 @+ B. p; {$ f3 C& ` p& T/ W7 A# W0 Q
- digitalWrite(2,0);7 |& I% R+ d* p! l( x2 V' U
- delay(200);
6 W, j# H4 e8 z [9 U# z - digitalWrite(2,1);
1 {' y& p/ M3 Y) w7 X - delay(300);
* ]- u/ d F& j - Serial.print(".");* s3 Z. P/ s( d- R j) N; @; a
- tryNum--;! x4 h* {% a$ A! {/ E
- if (tryNum == 0) {
0 v$ s" Y4 l4 ]/ | - // 1min
+ X, t: n3 q( x - // ESP.deepSleep(60e6);
6 u. P! E$ R9 W8 t' y) F - ESP.deepSleep(0);* C( H( [( k$ c2 _2 }
- }
2 e* H* I6 E/ P3 h - }
, A' o' g2 T9 @ - Serial.print("\r\n");1 {8 f& j# r0 l/ Z. {
- digitalWrite(2,1);; W( |' i& f- Y' p3 ]
- Serial.print("IP address : ");
8 a! n3 e' i6 m: j - Serial.println(WiFi.localIP());
, X: o4 U2 a5 e- Q - server.on("/", HTTP_GET, [](){1 Z7 v7 [) s; F+ r! C" r
- server.sendHeader("Connection", "close");" _/ k* W* X* ^) t$ B" I
- server.send(200, "text/html", serverIndex);
; ^" T% a8 d6 k$ f. ` - });
8 }: ~; Z' \9 A! J - server.on("/update", HTTP_POST, [](){
# f A% j& k% R: D/ c. Y1 H - server.sendHeader("Connection", "close");
8 f* G6 S3 D8 p+ n - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");0 T8 H+ z8 N8 q' P; y
- ESP.restart();; W1 @2 [! q4 N# I/ {3 U5 }
- },[](){6 p/ K8 ^8 I! c5 i9 J t6 ~
- HTTPUpload& upload = server.upload();
" B% Z% G) \& K8 D# \3 I - if(upload.status == UPLOAD_FILE_START){: H3 M0 i( o- H2 n; t( e
- Serial.setDebugOutput(true); Z3 b" F* Y/ F0 s* ~1 e. p* C
- Serial.printf("Update: %s\n", upload.filename.c_str());1 G$ D s _0 o i
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;# Q8 {3 v9 ~6 S X: Z
- if(!Update.begin(maxSketchSpace)){
* `: v& y3 V% B* X - Update.printError(Serial);1 E4 U3 E! a: f3 T! ? l- Q. G
- }
8 D4 d( r j4 q [! h5 p - } else if(upload.status == UPLOAD_FILE_WRITE){, l$ T; `5 Q5 Q2 v
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){6 H# x% |( o8 Y2 s5 ]
- Update.printError(Serial);
. n$ V0 t( ]& g - }
% A5 o7 s4 [, E9 S5 [! R, ] - } else if(upload.status == UPLOAD_FILE_END){* j! Y% @: k; o8 J( F
- if(Update.end(true)){) P; w, A1 I+ g7 s
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);, Y ~9 t0 C" a& h
- } else {
0 [# h- @5 }: I* k* y9 A) O1 D - Update.printError(Serial);$ ?: e; m, `+ e' n% }' V# w m
- }
: z, r# t& @# B1 T# [ - Serial.setDebugOutput(false);
" B/ n( h7 a+ Y: u - }
! N1 Y9 d4 c# B2 n0 \5 j7 _ - yield();
9 O- k/ m4 {: R - });4 K, s* z$ m) R5 `; H: v
-
6 b) \: _9 N: w% a# n7 z+ m& J - digitalWrite(2,0);
7 t7 U! F+ i4 Y9 l! H - mainAction();
5 S/ A+ P( k9 @# f0 T - if (digitalRead(0)){
- ?9 r% @' U% T/ j; t- r7 k - ESP.deepSleep(0);
% @5 Q/ p" ~+ ? - } else {
3 x# s6 Z) U$ _: F$ [ - server.begin();
+ F( a2 w# z. j& p4 d$ \ - }4 ^9 J# _' v4 X: {
- }
0 _0 [9 }0 L" w$ o5 |1 ^ - void loop() {$ ^5 A: `1 M$ Q2 l" p
- server.handleClient();: s/ J3 [& j9 O2 h7 ^
- delay(1);
) i% |5 z0 M* T- ?: e1 F6 O: ? - }4 i2 [2 g2 R% j3 z! }8 W1 F- D6 ^3 ~
- String doGet(String url){5 X; Z7 v0 `- \; ]* n" D
- if ((WiFiMulti.run() == WL_CONNECTED)) {
2 ]1 y* d9 k5 S - HTTPClient http;
- [" i0 Q; z. ]% S* Y4 l' J - Serial.println("[HTTP] begin...");, q$ N$ b) M5 l0 u4 q! `
- if (url.startsWith("https")) {
8 p1 Y U& P& c) d j: E - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
5 M m# |9 K0 u# j& Y# v - } else {
, b/ v& K" F1 K( _1 E0 ^ - http.begin(url);
1 T8 d' A9 D6 S$ x% |6 [/ k6 w6 @1 a5 I* u/ w - }
0 X( Q a6 {+ i8 p6 t4 s+ r - Serial.println("[HTTP] GET...");
9 [6 u0 s ~2 ~; X3 e$ @ - int httpCode = http.GET();2 \, K3 f7 I, n. P8 o3 I
- if (httpCode > 0) {/ \2 n- e6 e( H1 f0 J
- Serial.printf("[HTTP] code: %d\n", httpCode);
, @3 w% w$ l" d8 Y, T; ^) m - if (httpCode == HTTP_CODE_OK) {! E3 W9 [& p* h+ N
- String payload = http.getString();
6 N1 t) w5 H5 y; j3 f - Serial.println(payload);
5 i) i6 l; G9 s' q - Serial.print("\r\n");: E. T1 | I& T8 y2 a
- return payload;
W5 D5 I! h% |2 ?: U4 b' Q - }
' R! B1 `; H7 o2 p0 F ^ f - } else {
6 G! S n+ ^2 c/ k( b' C' o4 R# w - Serial.printf("[HTTP] GET... failed, error: %s\n",
8 e- p' j% F4 a1 i- S2 e - http.errorToString(httpCode).c_str());6 s. v* M0 g% |9 `4 \* Z* K9 x
- }1 G0 f6 c- [9 ? N
- http.end();& b& ^2 t" j, Z7 i6 ^5 ~
- return "";
0 y) i( N$ t" ~$ \/ S+ v - }
+ l6 `# i- ^# X - }
/ Y U. C# i& j( H4 H" j8 X - void mainAction() {) y; k7 |2 v# y. Z# i
- // 发送请求
' Z, A2 q; {0 q - doGet("http://google.cn");
7 ^" a* e1 F9 h+ g% {4 Q - }; A7 y! |1 { B n/ F% O' D9 k6 J0 J
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