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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)& \5 }% k; ^1 \- u) s$ c) Q
- #include <ESP8266HTTPClient.h>) m4 u% ~" y/ t& _. G# C
- #include <ESP8266WiFi.h>
9 p! D' x# ~& a9 l* W) `( M - #include <ESP8266WiFiMulti.h>
0 B- ]5 s2 O8 }6 q8 M4 F" Y: r e- c" n |' Y - #include <ESP8266WebServer.h>
8 ?2 @' N+ L' M$ e+ X - #include <arduino.h>
# P7 w! C* l9 B3 f5 B - ESP8266WiFiMulti WiFiMulti;7 W, o8 \2 B' a
- ESP8266WebServer server(80);
: `) ?8 Z: P! U/ j - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";5 j) \0 G" w6 y9 _% w! Q
- ADC_MODE(ADC_VCC);2 W( y( M1 u$ V9 G2 ?" O
- void setup() {3 C% {+ g$ X: @$ |1 ]0 I, @; i
- Serial.begin(115200);
0 P1 A" T" h: ^0 Z) G+ E - Serial.print("\r\n\n");
/ d" f% S, X4 g( ]. y8 {* T! Y - pinMode(2,OUTPUT);
! f w2 O z. _$ {5 y, v - // WIFI
D5 w/ l. ^' ~+ w% G - WiFi.mode(WIFI_STA);
Z4 x* n7 q7 R X - WiFi.hostname("Sparkle");
" p% P* h) ]" p! M - WiFiMulti.addAP("wifi ssid", "wifi password");
& j% _/ Y* [4 \* p- Q - int tryNum = 15;
, A1 G0 I% c) } - Serial.print("Connect WiFi");
# ? l" h0 d- Q# q) J/ i) g - while (WiFiMulti.run() != WL_CONNECTED) {5 q& n3 o( M& ^" \1 \, u
- digitalWrite(2,0);
9 l3 x8 [. F0 m% o - delay(200);
& B t0 y( J+ s4 ^ - digitalWrite(2,1);: y" c0 ^' `4 \8 A
- delay(300);/ [% u1 f1 x$ L4 e6 q1 a
- Serial.print(".");
' { K# H; U; b9 z. T$ L - tryNum--;+ m+ a3 ], x5 m- R8 z9 H" x* ?
- if (tryNum == 0) {
2 F4 ?: I" j1 [+ @- k$ M - // 1min
, I7 G$ f% _( B/ q. `1 n/ W( @6 X - // ESP.deepSleep(60e6);
' I! S# Q, ~/ { - ESP.deepSleep(0);
8 G2 g+ q9 _9 `1 u/ V - }
: k* R. h6 a5 u4 C - }+ u/ u8 W. b1 T- g, `! A' q( I
- Serial.print("\r\n");
7 Q; J. L9 e% o m+ M7 d3 X - digitalWrite(2,1);
. x+ u3 G, R) {0 z6 b. s6 t+ x F - Serial.print("IP address : ");
1 w! J0 e: |0 u+ C1 c - Serial.println(WiFi.localIP());" g4 Z- a; u9 n/ ~
- server.on("/", HTTP_GET, [](){
: S% ^, e. F. F, p - server.sendHeader("Connection", "close");
: J6 k& N6 {0 }9 ?0 b5 k* t- R - server.send(200, "text/html", serverIndex);
' [6 F% N4 N- U2 o+ _' K1 M - });
6 F2 h1 R+ b4 c5 L+ l - server.on("/update", HTTP_POST, [](){) H9 L7 q- y+ ~. S1 s
- server.sendHeader("Connection", "close");' s4 B* X+ S' N7 N+ }2 \ x" J- A
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");5 G1 y" D: c) S0 K( r
- ESP.restart();
: m. |6 T; A% Q' Z - },[](){0 b4 H: ]- W4 F6 o+ d+ V! [
- HTTPUpload& upload = server.upload();
. ^" ~3 z6 R& j( F3 @ - if(upload.status == UPLOAD_FILE_START){; t8 ]$ ^5 z" b8 e n/ F: {
- Serial.setDebugOutput(true);! m# N3 p+ U4 I3 D% h0 q5 n
- Serial.printf("Update: %s\n", upload.filename.c_str());/ C6 U2 F! _$ J' p3 J
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;; z- k, K3 z* h
- if(!Update.begin(maxSketchSpace)){
6 C8 x. r1 L1 q - Update.printError(Serial);& p# Q7 s5 o7 h; N+ W) b# z
- }
1 X' N9 |0 `+ \) U/ i: h - } else if(upload.status == UPLOAD_FILE_WRITE){7 {( _! q* i T. I- G
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){/ l* k5 J7 j8 Y+ f
- Update.printError(Serial);
% J/ Q5 A7 Q; G& D+ Y c - }
, |2 ?$ l9 B* A- G8 }. g9 { - } else if(upload.status == UPLOAD_FILE_END){
8 M# B1 ?* `) o9 i D, }, y - if(Update.end(true)){' u0 _' _7 W, s9 N% R- ~3 q
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize); c( s t+ b; `8 O0 b. j
- } else {- _8 e6 C ]4 Q
- Update.printError(Serial);+ k- [3 `+ @- j! J) ]! J6 _& x$ k
- }
9 v+ ?) Y- U% d, X `0 e. V - Serial.setDebugOutput(false);# X1 z0 j, F: Y2 o |
- }
6 D" `2 l d, h9 @7 f9 n - yield();
4 s6 g- ]6 u& r7 G - });
/ x s( Z/ b5 ^6 N; V: O - # A3 S- p( h& ~0 u6 z
- digitalWrite(2,0);
) h3 Y: [2 d) A0 w/ C - mainAction();
8 U' X# L# k5 f( b7 ^+ X - if (digitalRead(0)){
" X' X6 h R8 d) x4 W - ESP.deepSleep(0);
8 c8 r1 V% S# l - } else {
% u. N% F$ ^5 m0 c4 a - server.begin();' [2 e+ k& t* ~, y7 a1 F2 J V
- }
, I' N$ T) L! B- r4 w+ ?, W- _" C - }8 F! U0 K( D- w$ F1 Y! s9 i
- void loop() {
) @8 R# }' y; A: B' V# a3 o - server.handleClient();4 q) L3 ^7 }! K' f
- delay(1);
8 ]1 H/ p- `; t7 P8 y - }
7 M0 l9 M0 E, A0 s/ | - String doGet(String url){0 Y. i, C+ ?$ k, v% `+ T/ x
- if ((WiFiMulti.run() == WL_CONNECTED)) {% Q) `# {$ ]$ A8 J
- HTTPClient http; T+ w( \3 C% ?1 ]# v
- Serial.println("[HTTP] begin...");/ o' ^# ~: D& X0 q9 h/ q
- if (url.startsWith("https")) {9 Q8 V! \& o6 w1 v& ]9 ?/ A
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
" }! ~; l# H& G. b) K; n/ Z3 u _ - } else {
1 Y5 g0 t& m( X$ \% n( c3 A - http.begin(url);+ `& |! N2 K7 D( g d# L, v+ N# t
- }& E& ^* s7 t/ r: q- z+ y
- Serial.println("[HTTP] GET...");
8 s& l5 Z# K3 J/ Z, ~- A - int httpCode = http.GET();
' x: B# l1 v4 F; c3 L7 }; t- Q+ S - if (httpCode > 0) {0 G! q+ y% m' d( y) g) q: f
- Serial.printf("[HTTP] code: %d\n", httpCode);
+ D9 s8 E- L9 O+ ^7 P5 r9 ~ - if (httpCode == HTTP_CODE_OK) {
: s: R' ^" y/ \ - String payload = http.getString(); a# I' m" }+ f1 v/ B
- Serial.println(payload);
- _7 O6 e8 V) E* z - Serial.print("\r\n");3 m0 U& m$ }2 D0 M
- return payload;
% |: ~) `- l+ s7 R - }
- D' M7 q$ c0 y - } else {" l, m; p0 y; X2 W& ~
- Serial.printf("[HTTP] GET... failed, error: %s\n",
" W4 f$ j2 J7 _# c - http.errorToString(httpCode).c_str());$ ]1 F: L8 y6 v9 u4 F
- }
* Y; o& \5 o5 R( w - http.end();3 [7 z2 B6 V7 ?4 A3 S
- return "";9 @. a2 ~3 j' k$ a( Y3 N6 M% N/ b
- }0 k" W" {2 d: I- U
- }
) a7 j1 [ t' @! N2 Q: x1 O! {, G$ j/ }8 E - void mainAction() {
. G2 B# K+ P/ c: R" B K- ~. ]4 i - // 发送请求2 \# c) m) l" g; J$ h
- doGet("http://google.cn");
/ E: @4 x3 n* {/ @, V) ^( H1 @+ z - }
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