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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) ~( a0 L# r- W! F
- #include <ESP8266HTTPClient.h># [4 I# z8 R( p3 Z
- #include <ESP8266WiFi.h>4 m& U( b1 h0 K8 ?
- #include <ESP8266WiFiMulti.h>
; n- d% Y' H0 t: `" ` - #include <ESP8266WebServer.h>0 \& |+ v5 k: w- s& M8 W+ N
- #include <arduino.h>3 w( O" t/ j$ S8 A0 T5 u/ g' E
- ESP8266WiFiMulti WiFiMulti;
+ i; o3 S2 @8 e) E* m: {7 _ - ESP8266WebServer server(80);/ m$ |/ j* G. q0 k
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
3 K6 B, }4 j+ x4 t; p - ADC_MODE(ADC_VCC);( | _# J. d* C5 q
- void setup() {! a$ v6 a7 i8 i8 I7 ?% L. J p/ y
- Serial.begin(115200);
K+ ~7 c/ ~- a) t; W; k& @ - Serial.print("\r\n\n");
0 R% Y& Z: X- m3 ] - pinMode(2,OUTPUT);
# G/ b& u. r! N6 |$ { - // WIFI) S/ J! P. W" r! m
- WiFi.mode(WIFI_STA);
: y @- d7 v, x- z) X; y3 d - WiFi.hostname("Sparkle");8 K: b6 J* y- l0 J' c$ ]
- WiFiMulti.addAP("wifi ssid", "wifi password"); N# h( ~+ `; n/ x6 C; u
- int tryNum = 15;# i5 x: \, ^: E; V
- Serial.print("Connect WiFi");
- P: x3 e8 r3 K- @- N - while (WiFiMulti.run() != WL_CONNECTED) {
) Y# H6 ~, J) O: h6 R; Z) Z - digitalWrite(2,0);
6 G+ ]# G- O. N8 z - delay(200);
2 d. x6 d* }/ H: p$ f - digitalWrite(2,1);0 ]) t& Y( c2 x7 ^* s
- delay(300);, J: W% D! e3 e0 ]
- Serial.print(".");
0 m, j7 M3 o/ T- L/ e0 W - tryNum--;
4 d# A* O' X8 Y2 V7 H5 @9 i6 f - if (tryNum == 0) {
, V A6 S! Q" f6 h- e/ j# K# g - // 1min# F* |& i1 p! ~. P* Q1 `; T
- // ESP.deepSleep(60e6);
6 |3 D4 w* K! Z; U' p - ESP.deepSleep(0);* q6 V# G! j* p/ ^! z
- } {, I3 C. e( B* C
- }- L7 i! R6 ]! ~# d) d2 x
- Serial.print("\r\n");9 z; A# E; t i _8 g
- digitalWrite(2,1);& h, e+ c2 ^" O! l3 v* U/ m: Q8 [
- Serial.print("IP address : ");9 e1 A7 g1 Y1 B% \
- Serial.println(WiFi.localIP());
$ k8 ]" m0 f) C2 ^# q - server.on("/", HTTP_GET, [](){5 i; i {6 D( _0 |& ?
- server.sendHeader("Connection", "close");* U7 W/ z) B7 s3 @
- server.send(200, "text/html", serverIndex);+ M' X( p& w# e; R4 O4 s& C
- });
# \. r- s- H2 r7 U/ A - server.on("/update", HTTP_POST, [](){6 Y- t/ t `$ r2 t. i$ V
- server.sendHeader("Connection", "close");
& @+ [2 s/ F4 J0 m - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
" I- |+ q5 X4 N+ z - ESP.restart();5 o5 U9 d* P3 K% w
- },[](){3 |$ ?# n0 i. J0 C$ L) h" B
- HTTPUpload& upload = server.upload();
4 i( C/ l/ E; e' [ - if(upload.status == UPLOAD_FILE_START){: T, S" J' O' K& p& a3 I
- Serial.setDebugOutput(true);. S A; w F! K% l
- Serial.printf("Update: %s\n", upload.filename.c_str());: J" |5 n+ S, P7 e; G. k6 a' l
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;7 V2 x% K( B6 ` I' T
- if(!Update.begin(maxSketchSpace)){
1 K2 X4 z. }4 E. o9 O - Update.printError(Serial);3 p( N( X$ d; H4 n/ h9 }; |2 I& ~
- }% ^7 r( k) s& {0 x* |
- } else if(upload.status == UPLOAD_FILE_WRITE){; l" D$ R3 w+ W8 Y4 x0 S8 a
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){: P0 [. X3 W3 @ A8 C
- Update.printError(Serial);# U; P4 {% c" |$ T$ b1 I
- }; U/ \, _/ q. R% `$ X! W) c X
- } else if(upload.status == UPLOAD_FILE_END){
2 I# ^* f) _5 s7 P3 m - if(Update.end(true)){
# J+ k9 F, Y# K4 L* W# x8 y - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
0 m/ a+ A! a, c) |, n9 B. K# b - } else {
% d: w2 }( L6 R - Update.printError(Serial);
# S u; u) I3 Z# f - }
G: t7 z: G0 ~4 v( L/ U - Serial.setDebugOutput(false);# ?, }: C* {) p, }
- }
- w9 [$ i8 K) B - yield();
( \: U# ^. H' @! A( _' B - });8 ]% j$ N( G& y1 j9 C/ Z
-
$ }2 P( E) B# n3 `0 b* ]/ A7 s - digitalWrite(2,0);: V2 A2 B4 `% \ ]! I6 ~/ z' g
- mainAction();
: p+ {' a; F1 u' X# x& e n - if (digitalRead(0)){" q& e* ~ v' P1 `' G t
- ESP.deepSleep(0);+ l# y) m# A; t2 @
- } else {
, @% ^- A( U% }6 Y: R1 m! E - server.begin();
% Q) X# [1 {' a! M4 f6 H- s - }2 o& g( q% o% x. @- P
- }
" } Q! l) B& F, J; h" K - void loop() {2 P. L ~0 O! N3 j8 p9 o+ F
- server.handleClient();! s- S/ { `* D7 [( k. y
- delay(1);, ?7 f; U9 F2 ~
- } P( P$ E! q4 O$ l6 i& @. g
- String doGet(String url){
! {: @0 l" C& m3 _$ r) P% J - if ((WiFiMulti.run() == WL_CONNECTED)) {2 ]! n/ s* e0 x) q
- HTTPClient http;& c+ o! N& M& ]
- Serial.println("[HTTP] begin...");; l& U$ S, B+ b7 Q w2 p
- if (url.startsWith("https")) {
$ q4 t$ |1 W% N - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
3 |# m+ Q$ ^0 J2 Z8 F. ]# h$ q! d$ @ - } else {8 t* i! @5 q% h1 K' c a
- http.begin(url);6 L& p5 a/ ^! l0 y( X0 d2 z
- }+ a6 l/ O" ~4 @, c2 b
- Serial.println("[HTTP] GET...");* B8 x* w2 d" H, b
- int httpCode = http.GET();
+ s5 V. z- t0 }. m/ r; L - if (httpCode > 0) {/ g4 ]7 z7 r% u3 O6 j0 `- S! w$ G
- Serial.printf("[HTTP] code: %d\n", httpCode);2 B L, G3 V: Q9 j6 v
- if (httpCode == HTTP_CODE_OK) {" C: U: X' t* C8 b1 ]2 n
- String payload = http.getString();
) M" Y. Q2 m7 X- V5 m; B) ~* b - Serial.println(payload);
& O; f0 Q! d/ V7 g: _5 _2 z - Serial.print("\r\n");
& @3 `+ U- C: |# O3 N/ K: x. v - return payload;
! e4 _: y" Y# T: b W3 o4 e - }
) A2 U. l E s! D O$ u% U - } else {
8 h2 K, h" ?' x4 ^) u4 R - Serial.printf("[HTTP] GET... failed, error: %s\n",
0 G) m' p3 c( j5 C5 M* A! ` - http.errorToString(httpCode).c_str());1 z2 \- t7 x' Z1 G) J8 b! Y* ^
- }. N8 T! {5 ?9 P" q
- http.end();; g! \ m, v6 Z0 `- W
- return "";; v& R% B0 w& P) f! j2 I
- }4 Z1 L) q" L* K) G/ C7 t) K2 J; e
- }
$ d5 {$ @; Z. U( U - void mainAction() {$ M& c% T4 @* W; Y5 U( _6 s
- // 发送请求
' }( ?; w6 ^& ] i$ X. m; o% T }3 _ - doGet("http://google.cn");
* l; [2 u ~0 G( q: E3 U - }5 {. ]# q- Z" C+ A: c$ t
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