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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)
! @0 B( q* [& V5 D4 y# F7 \; z- #include <ESP8266HTTPClient.h>
4 F u/ }* L% t- ? - #include <ESP8266WiFi.h>, {% D' i( R) V0 K
- #include <ESP8266WiFiMulti.h>
M5 B0 V5 H& M2 B6 i - #include <ESP8266WebServer.h>/ [6 }# s, V9 q: h3 @
- #include <arduino.h>! N7 j: |* X; y' S
- ESP8266WiFiMulti WiFiMulti;2 P, f4 e: y) H) Y M! h
- ESP8266WebServer server(80);
# L) S9 d7 K/ J* Z - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
: n7 j7 |0 |1 L; W7 f+ q - ADC_MODE(ADC_VCC);. }0 l7 ]1 u6 K; N8 x3 `
- void setup() {3 q/ g$ v6 S7 K# X1 k7 Z6 g; Z, A3 K
- Serial.begin(115200);
) t$ N4 s( t9 K( i' U) o- s - Serial.print("\r\n\n");
! @2 n1 I5 D+ J9 @7 u. L% V9 L - pinMode(2,OUTPUT);
) Z4 Y, l; ?- c+ H/ @ - // WIFI
$ ]! C0 w5 }, {7 k - WiFi.mode(WIFI_STA);5 J }( j* P' r& v* V
- WiFi.hostname("Sparkle");
1 F. e5 A$ f0 S: f% E - WiFiMulti.addAP("wifi ssid", "wifi password");
2 W( D8 H4 l5 A3 @6 K4 V - int tryNum = 15;5 r J& T. F. U2 G
- Serial.print("Connect WiFi");9 P. C, H" `2 w& f) i5 S
- while (WiFiMulti.run() != WL_CONNECTED) {8 `+ [9 [/ e$ ], I* _& O( d
- digitalWrite(2,0);
5 ~' }4 E, ~7 a! A* @ - delay(200);
9 c% K4 }6 a! O8 i+ E: f - digitalWrite(2,1);
' C5 D" w+ X \1 H: d, v5 X3 p - delay(300);
: M; l( ^1 q/ @0 {+ e6 F1 N0 k - Serial.print(".");0 \& f3 p) U% X& D$ J& y$ C" W
- tryNum--;
& J+ c6 H9 B; W0 S - if (tryNum == 0) {
0 W' _+ ^1 ~0 t: T# A - // 1min w. C. \3 U! m. P: H
- // ESP.deepSleep(60e6);0 |: [0 T% L$ Q U3 b6 A6 |
- ESP.deepSleep(0);
; _" }* u4 R- v% D6 F8 a - }4 J, B% g5 ?( A( W1 F7 p! b
- } L2 ` [; m5 ]- W( M& P
- Serial.print("\r\n");
$ [. V+ O$ C# F - digitalWrite(2,1);
6 H, n( n9 C7 v: U( A9 m! t, u4 S - Serial.print("IP address : ");+ W9 Z1 S% A9 @; L$ k8 O5 `8 z
- Serial.println(WiFi.localIP());
! F9 t3 l7 g! a+ p - server.on("/", HTTP_GET, [](){" K( L: c5 X5 N9 E' k
- server.sendHeader("Connection", "close");
/ i5 ^- z7 y' U9 s - server.send(200, "text/html", serverIndex);
& o* ^. [/ X' {/ G6 V; L7 S) K - });
0 f9 o+ w @; M- _ S% | - server.on("/update", HTTP_POST, [](){
: q1 B9 }0 `: D# B7 T% P - server.sendHeader("Connection", "close");$ T* p, m4 g0 @) M1 O
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");5 U/ ]3 C5 e# d; t1 ^4 h
- ESP.restart();
, g6 K8 Q8 s+ |. g. E' k - },[](){
- g0 f7 Y* M3 x* S3 v - HTTPUpload& upload = server.upload();
2 G0 i. R. ~3 }. n - if(upload.status == UPLOAD_FILE_START){* c% Y- Q. D% X0 j( I& }# C
- Serial.setDebugOutput(true);
2 z4 ^7 Q3 ?+ N+ a2 U - Serial.printf("Update: %s\n", upload.filename.c_str());% x; y: j+ }$ U4 L7 \( ^
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
! q, p- l' f6 y& P - if(!Update.begin(maxSketchSpace)){7 Y! V% N- t$ c. i! l8 Q' e
- Update.printError(Serial);" ^% _) \- e1 o$ f
- }
5 k0 A* x, A. w( }8 P- C - } else if(upload.status == UPLOAD_FILE_WRITE){
3 t1 g+ I: H9 y! f - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
9 e5 [ L `+ d0 u - Update.printError(Serial);
% _* D+ o- Z% A2 \& N( \" ] - }
& q: V4 p c# \; i7 x6 d - } else if(upload.status == UPLOAD_FILE_END){5 T* Q4 u3 l! ~2 {' B3 i0 A
- if(Update.end(true)){+ r" D1 M" |8 i
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);& [9 L. B9 _7 O8 z* F
- } else {
2 m7 Z. e5 a {, {* {( F - Update.printError(Serial);2 X1 O: k/ K& e
- }5 m) l0 I; g& s, @
- Serial.setDebugOutput(false);
& @8 ?4 S0 @6 t. ?- @ \& Q - }
5 m8 N O1 R+ a d, l' T! ^9 I - yield();
$ K4 {8 S* q9 y% l - });7 i( V: \. ]7 j8 [- x q
- 9 f, I1 J# y+ G8 i
- digitalWrite(2,0);
: p/ V1 d+ K- v+ U. J - mainAction();
" K1 E) A( S6 o! _# O+ p8 N - if (digitalRead(0)){
* ?& A. a% ]7 m7 l! n - ESP.deepSleep(0);
( Z& [- Y% _" t) U2 u2 C9 M i) a - } else {( X& X* Q- D0 G, n" w
- server.begin();* ?6 K3 i5 [+ R8 l, \' v. G
- }
0 q4 F X$ N5 z - }5 ~7 n5 X( W! p0 p$ R# C+ R
- void loop() {+ }, Z2 g& _' B! p1 h
- server.handleClient();3 d' y0 ^# D0 N
- delay(1);
) F5 L$ R5 e9 ^, J& T - }
5 |7 v# \9 b8 H" N - String doGet(String url){* b( B( q; ^3 E6 p
- if ((WiFiMulti.run() == WL_CONNECTED)) {
3 \, P) i" U( X" ?) A6 _' ` - HTTPClient http;: |$ R5 g2 [1 e' m
- Serial.println("[HTTP] begin...");
7 `4 D% O7 G# j. V - if (url.startsWith("https")) {
5 Y& ^) i* S1 I9 g; X6 f - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38"); [4 \+ `0 K# w
- } else {# U$ i1 q, X' D* l7 O
- http.begin(url);
+ L' K5 V" w2 C) J - }
; K2 M) @8 E* m% h5 i - Serial.println("[HTTP] GET...");
5 C% y4 n: x+ v* D! T2 A) Q - int httpCode = http.GET();# {8 Y. n$ x3 P' {
- if (httpCode > 0) {
* q$ B* i" t: V4 a - Serial.printf("[HTTP] code: %d\n", httpCode);
1 }' D5 N; l9 j2 S+ ~+ a - if (httpCode == HTTP_CODE_OK) {, H3 W# @1 f4 ^$ B9 b0 U
- String payload = http.getString();
7 j" T( B+ O: V' g6 P - Serial.println(payload);0 t7 v. G3 f6 a- j8 u+ Y
- Serial.print("\r\n");
/ ]; L2 v8 q* m! r8 I6 [4 p - return payload;
+ B& p( c$ X/ [7 W# U e - }
/ p) k l4 s, ^5 ^4 f; r - } else {# x0 v) T [" q4 Y
- Serial.printf("[HTTP] GET... failed, error: %s\n",
2 Y4 U2 o, x/ A; s" y - http.errorToString(httpCode).c_str());% H. Y) Y5 J) P3 |# P' ~
- }! X8 b- b7 c6 S c; b7 P! m
- http.end();
/ n3 j9 @ G0 i4 O - return "";% y% g1 g( D! S) O( G8 V
- }1 L7 u% l9 s+ O8 D$ T
- }
* g* p* G) q9 [% ^; n! s - void mainAction() {
& i/ {& i6 _* f% `" _! v4 u% x - // 发送请求; @+ c0 m" v9 P, v# ]& _* L
- doGet("http://google.cn");
+ o/ v; E7 h' ?$ |1 G, b2 \( S0 Z6 N - }' R0 X' B5 P8 e# I- h
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