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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), S8 K% n' e$ x8 Z$ m' T
- #include <ESP8266HTTPClient.h>1 d) @% A3 Z) B n
- #include <ESP8266WiFi.h>
5 L# R/ n" j2 K5 k1 F* R - #include <ESP8266WiFiMulti.h>
2 I# N. D, X+ Z# l8 z6 C1 W7 P4 T' } - #include <ESP8266WebServer.h>& _0 L6 M F4 E
- #include <arduino.h>
# ]2 o+ c. T" f9 q3 o# l3 C- D - ESP8266WiFiMulti WiFiMulti;
1 }! @6 E6 t& K7 [3 _& B& k - ESP8266WebServer server(80);; f! Q- b7 p/ w9 N, Z b' T! [
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
) `/ X6 K7 U7 o$ b - ADC_MODE(ADC_VCC);3 B1 S7 Q% I M8 o0 j# ^
- void setup() {
e; f6 `* q3 T# d: w7 |! [; t - Serial.begin(115200);6 I- C, b. b4 F
- Serial.print("\r\n\n");
: L7 j2 [+ K U% g - pinMode(2,OUTPUT);
* `& l% p6 ~) l - // WIFI
5 u' w% z8 q) x - WiFi.mode(WIFI_STA);- }3 i3 h( T5 M2 k* S7 S. u! t
- WiFi.hostname("Sparkle");
. v" s* }/ l+ m( L6 P, P' s, X - WiFiMulti.addAP("wifi ssid", "wifi password");
) j* h, m) F5 {+ i- V; J - int tryNum = 15;/ I7 x9 H, ~! @2 G9 j
- Serial.print("Connect WiFi");8 o) t2 e3 j3 K8 F/ F# ]
- while (WiFiMulti.run() != WL_CONNECTED) {& Q3 l$ s' L, [, \9 e6 b S
- digitalWrite(2,0);
( R1 _2 v; y; G - delay(200);9 i7 X9 {/ [9 t
- digitalWrite(2,1);
5 t5 k. ^3 @) Y- @( {. u4 J F7 N - delay(300);) _' Y X" x/ j
- Serial.print(".");) {6 p* s: l( L# m. K; S
- tryNum--;9 f* i7 S3 e; u9 {; }0 j3 a
- if (tryNum == 0) {
+ k O& l# e, k* S3 V - // 1min
. `) a" ]0 y! x J2 E9 | - // ESP.deepSleep(60e6);
7 s% w+ d* v; [& I) C3 p; y7 u f - ESP.deepSleep(0);
$ z5 M; b/ _0 t- f" O - }+ O, d! b5 ~# @' Y0 a
- }
6 o, z4 w' G ]8 W - Serial.print("\r\n");
0 C5 w a; J# V' n1 @6 ?" N - digitalWrite(2,1);
& A3 ~# i: z4 p2 q2 h$ z - Serial.print("IP address : ");6 @4 x' K+ v" r. b
- Serial.println(WiFi.localIP());
& w2 F$ T1 \/ g0 U% c# B( w' A - server.on("/", HTTP_GET, [](){+ o9 M8 j3 t! V0 O" B
- server.sendHeader("Connection", "close");
" k0 P X! w. U2 q& E# C9 ` - server.send(200, "text/html", serverIndex);
+ h+ l" N% u7 e* t: c" _ - });) u0 b" D( P- z( m7 Y) L
- server.on("/update", HTTP_POST, [](){
% X# T1 ^4 o) O% r - server.sendHeader("Connection", "close");
6 m" M* p, L; \1 q4 E. N - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");1 i; @- G7 t' L, A
- ESP.restart();
: h" G8 w0 ~+ y4 s1 | - },[](){' y4 z, P) ?1 S
- HTTPUpload& upload = server.upload();4 L! u( B' V0 ]7 U- [. Q; D9 T
- if(upload.status == UPLOAD_FILE_START){1 M( @- P( x% [( V" Y: ^
- Serial.setDebugOutput(true);% b) A/ u9 C" y) E- y! i) m, I
- Serial.printf("Update: %s\n", upload.filename.c_str());$ l- | q; X" C# j) H" z; G
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
& X2 W h" }: Q( t9 t- T X - if(!Update.begin(maxSketchSpace)){
: A) u6 F- q7 d( M& H - Update.printError(Serial);
4 N; }7 f3 j" p3 ]& `5 D. K - }: |1 F/ C* ]" |/ g: t: b# t. H
- } else if(upload.status == UPLOAD_FILE_WRITE){1 M: N2 ]- }+ a6 E* N* ~
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
+ ~: H* G9 r5 L# s0 G/ B: o X - Update.printError(Serial);) @$ M/ b4 C3 T* \
- }5 m- Z: S/ S+ W: ` G! A- }
- } else if(upload.status == UPLOAD_FILE_END){! t; J0 ^9 Q9 N" d! s4 Q
- if(Update.end(true)){* s4 N! F0 }( X H6 P( y+ k4 n
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);1 H H) f# ~+ U+ M! A8 T
- } else {! `1 @- x$ w5 m" s
- Update.printError(Serial);4 o" K: f* e/ ?! f; |! Q
- }2 P! S c* W; j& e/ {4 q0 y
- Serial.setDebugOutput(false);
( J3 A; S- o( _- H1 S - }
}; R- M3 j7 A9 h3 } - yield();
9 s7 A3 `7 B) z" w& T( U8 \ - });; l+ i) |. i: @
-
7 Y0 R; X) K. S! G0 |$ [ - digitalWrite(2,0);* U, z- f2 I; o/ _
- mainAction();; `/ u; T( U; ]' J% B9 q
- if (digitalRead(0)){
]& t# T4 s) a$ H- d2 t - ESP.deepSleep(0);' @1 e2 f8 l+ _# n6 J0 L. x
- } else {
, I! N( C5 I% U: j6 g J- W - server.begin();% V% X( Y9 K6 F8 _
- }$ v7 b7 `8 z8 ~1 n* q$ ]! V
- }3 U |$ T, P4 |
- void loop() {
2 G+ O. t6 t+ a5 s k, } - server.handleClient();' {$ P$ o, o. H6 Q; m
- delay(1);, j- C& f. B( Q# r3 ~
- }7 `. T+ Z9 ]6 ?( K: }' S0 y% c
- String doGet(String url){8 ]0 A. |1 l7 [' {0 p
- if ((WiFiMulti.run() == WL_CONNECTED)) {( J- I7 p7 T5 x' P8 @$ v
- HTTPClient http;
1 m+ ~2 a- s( ~7 _2 | p p - Serial.println("[HTTP] begin...");
& R7 R6 g: U$ P ?8 E - if (url.startsWith("https")) {3 A5 ]8 p9 _& x6 c6 k
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");- O+ O( g; |3 D
- } else {
. m8 ~$ E, }* D2 \ - http.begin(url);
* Q) f) T; {. `; S - }
7 Q7 a+ H, B( W3 | c - Serial.println("[HTTP] GET...");$ C. l4 ^ T# M7 k
- int httpCode = http.GET();
F+ U0 T/ _/ D. ]8 S; @ - if (httpCode > 0) {$ Z u7 j& a: w& p. N
- Serial.printf("[HTTP] code: %d\n", httpCode);) [3 t- r! o: |, x8 p
- if (httpCode == HTTP_CODE_OK) {
" F: L* ~% N) ^5 s - String payload = http.getString();
8 k* Y' k. @" C4 a# T7 R; L - Serial.println(payload);
) Y8 D7 s7 Y$ S A8 X1 V3 d8 s - Serial.print("\r\n");
7 U" x$ N, v% L6 r, q1 | - return payload;
1 R! {$ V+ E8 ~/ i3 K, p - }" {$ R. Q: o" z& R8 T5 C6 E
- } else {' a- \* Q/ ]+ }& c7 p
- Serial.printf("[HTTP] GET... failed, error: %s\n", q7 Q; G9 Q% c) P
- http.errorToString(httpCode).c_str());7 r" U9 ?9 M& Z# e8 V
- }6 h3 W; v. i5 H+ C! [4 {
- http.end();; l% s& u( u9 M. w- e
- return "";: X. j0 z4 ~. A/ U1 N
- }
: e9 B M: ?! { [9 ?$ y - }( v4 w- \& g% X2 P% a3 e% I4 J
- void mainAction() {8 d" W( o9 G0 f9 c" l l9 x
- // 发送请求2 E# P, G6 x2 |0 B6 U
- doGet("http://google.cn");
. ^7 q& h) J1 a - }0 ^; f0 f6 t( Y* w
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