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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)
, J! H5 u! W. d; U3 m+ t: g& }- #include <ESP8266HTTPClient.h>
' w2 X1 [! `# m5 }9 _ - #include <ESP8266WiFi.h>
7 H. n% }6 z3 ?5 i7 l9 _1 @, ^ - #include <ESP8266WiFiMulti.h>$ R% K% p& L: q) W2 C) f0 k
- #include <ESP8266WebServer.h>* m+ P2 Z! E! O4 j- `
- #include <arduino.h>) W8 ]1 t$ N9 P
- ESP8266WiFiMulti WiFiMulti;* g3 u# W7 _0 b- a0 y# h4 x
- ESP8266WebServer server(80);
) [# N0 D! a8 I* i* X+ I - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
* Z2 ^- e# h/ p. o; e1 v - ADC_MODE(ADC_VCC);
4 d! Q) r+ v. i- o! @: B - void setup() {: h2 R' |2 n5 ]% d. { K: @
- Serial.begin(115200);
2 B: s" o6 h5 I - Serial.print("\r\n\n");' w( n: D: ~4 C! t# n9 a# t
- pinMode(2,OUTPUT);% R1 u: \" \1 i1 \% c* E1 {0 x1 M
- // WIFI
J; ]% i6 t: Q! c' S - WiFi.mode(WIFI_STA); r) L" v; O- Q5 K8 n6 A
- WiFi.hostname("Sparkle");) E& l# m' C5 x# v- B/ |7 J
- WiFiMulti.addAP("wifi ssid", "wifi password");$ k2 @: H# Y1 t. {! _
- int tryNum = 15;1 s9 I& n1 L; P, G
- Serial.print("Connect WiFi");
5 B) V( m @8 t- D1 C' v" V - while (WiFiMulti.run() != WL_CONNECTED) {4 R4 J. @$ J* F/ \$ ` E" \6 Z
- digitalWrite(2,0);6 s! d8 [0 t2 Q
- delay(200);
9 D# c( U3 ?% f7 F+ v - digitalWrite(2,1);
& G" A, I$ v# a+ x - delay(300);
4 {+ G( ~, x, m2 r# I - Serial.print(".");6 }* x _& U. a* t6 i2 }
- tryNum--;' r& t/ m. y" n2 M1 i
- if (tryNum == 0) {) s& d, |' G4 K; H0 {8 ]) P+ ?
- // 1min# g2 w% m1 |6 k k7 Q9 f1 G
- // ESP.deepSleep(60e6);
. @4 J2 ?- i' I' d5 ]( ^, S" S - ESP.deepSleep(0);/ o0 Z6 A! W B: x* |
- }$ `& O: f1 g, a/ y3 L3 R
- }6 W) B' q' d8 M1 C6 e, _9 d
- Serial.print("\r\n");
) x9 C \2 z; ^1 H( t9 R* h) F - digitalWrite(2,1);! S2 @0 [0 d A+ \" B5 N
- Serial.print("IP address : ");
8 R3 c6 [: z1 _: f t - Serial.println(WiFi.localIP());" f1 q3 D' P y P1 W
- server.on("/", HTTP_GET, [](){; b7 b' E2 i& m P
- server.sendHeader("Connection", "close");3 n% |3 _( ?/ g& ?: J; R% f# S
- server.send(200, "text/html", serverIndex);
' z% G# V- \; s$ ]* {' | - });# \+ {; @6 i7 F! a
- server.on("/update", HTTP_POST, [](){
1 [0 W4 C V+ i9 L# W7 |' F+ E - server.sendHeader("Connection", "close"); W7 M& c9 l# X; K9 ^
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
9 Q; w, r5 Y4 g/ x( g# { - ESP.restart();
3 s8 w5 x. @, s: |2 x5 q) @ - },[](){8 \6 ?0 F/ m1 a, X& D6 G4 S# P I
- HTTPUpload& upload = server.upload();
, f& H. I3 ]% O$ i0 d - if(upload.status == UPLOAD_FILE_START){/ {* e* I) y9 u1 g! S/ R
- Serial.setDebugOutput(true);
7 M4 I' `2 i1 }4 A; y - Serial.printf("Update: %s\n", upload.filename.c_str());" C0 c6 Q! Z) p/ {5 O' p
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
+ ]) R0 |( Y! i- O( i4 ~2 w - if(!Update.begin(maxSketchSpace)){
! c! n8 y0 S( W - Update.printError(Serial);
5 t8 O5 M) O9 ? - }
& g7 [7 _& y4 ^* Z8 V9 c2 ~ - } else if(upload.status == UPLOAD_FILE_WRITE){
. A& f9 M1 j; F/ P' h! l6 M - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
+ k9 T. q o& `' J& ~# S - Update.printError(Serial);
( H8 K! R7 u" l- F! E8 Q m; ?/ d - }
3 E( U M' ^9 w$ n. S" b - } else if(upload.status == UPLOAD_FILE_END){
7 Z! x U' X# w& ~9 d - if(Update.end(true)){
+ R: u6 V) I/ m. W/ Y! l - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);0 T- i- k2 E% _. y1 c& p9 W! L
- } else {
: B( b% \$ h4 v$ z - Update.printError(Serial);
0 N! [ n# e2 Q! g" w* o2 E - }1 Q* F7 ?* y/ T2 O0 V
- Serial.setDebugOutput(false);1 U2 I9 i: a6 k: G( b1 {/ w v
- }" _: d- ^3 Q0 m3 I6 v: ~$ A
- yield();
/ s/ X. `/ u& N7 q' e9 G6 Y# | - });
) C: G' w, j( i4 T" a# h - - N& D" A+ u% u' Y) [% _" m/ N
- digitalWrite(2,0);
' `9 a9 X; X! y% g* @ - mainAction();
5 Y5 s4 e. W0 c8 P) G3 _4 t - if (digitalRead(0)){, ~. [3 o6 T6 W1 B
- ESP.deepSleep(0);. Z b8 T) o; W4 @9 ~+ p' q
- } else {# e0 i' t. @6 z! p, |$ c$ l
- server.begin();9 ~' |6 z( y8 ~6 t
- }; T6 f- D' d0 O1 ~8 q* ^) Z+ M
- }
( o' y5 I/ m- m# {6 D" @ - void loop() {) W( \5 z3 Y, K5 I! |! o( u2 ^
- server.handleClient();
& _) [. `/ t; b% x/ j - delay(1);
1 p$ Q+ t+ Z3 q: M7 M" k6 e1 w& C - }
; Z9 c2 Z' U+ E& F - String doGet(String url){. s; U7 k; [& \+ y8 S
- if ((WiFiMulti.run() == WL_CONNECTED)) {
9 v7 P' u; u1 L& A0 q - HTTPClient http;
2 T2 R; `) O) q - Serial.println("[HTTP] begin...");
$ M5 [8 M) _5 @ g - if (url.startsWith("https")) {+ ~' c: P7 x. {
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
. v7 w% W- r( F2 e5 P9 @# S - } else {
6 D' z% h( t, D7 K5 j" [$ q - http.begin(url);
9 u6 e) _8 a; \- o6 _ - }5 V2 ^' t4 T6 `
- Serial.println("[HTTP] GET...");
6 o& ] l" M( Z - int httpCode = http.GET();
& V# M' E' L! E) C - if (httpCode > 0) {1 s6 L5 @+ {- K$ n$ ~4 M5 A
- Serial.printf("[HTTP] code: %d\n", httpCode);
( N' u& O8 m9 N- Z - if (httpCode == HTTP_CODE_OK) {/ P" s5 F5 |0 J9 Q. c) p2 _
- String payload = http.getString();
1 B& y, ]) x' e* j2 I - Serial.println(payload);6 }! U0 j9 d: j& J, b
- Serial.print("\r\n");
1 l9 w' G( y4 Q- @. o - return payload;
+ Z; u# Q8 s3 ] - }
' ]5 }* m$ L0 M) ~ - } else {* s& ^/ n* Y- N9 ?9 V6 z4 U( I$ z
- Serial.printf("[HTTP] GET... failed, error: %s\n",
3 P, k5 U+ A# r( l2 N" S" x - http.errorToString(httpCode).c_str());1 K2 M- Q& ]3 X( O" u u! a% _& i
- }
! W; `6 w m; z7 k0 C G. E8 A+ C - http.end();
. g# ?3 {& H+ x% D( M$ e1 F$ t - return "";; v. |0 r. x7 N7 C8 M
- }' T! o8 r8 t$ |5 v2 O, \1 ~
- }$ t/ ]# H. k0 o8 ~% y: w4 v$ k0 P
- void mainAction() {
: n$ c( s% a1 g9 H( {- F6 x - // 发送请求* u0 _ R7 a6 r$ X/ S* g+ Y
- doGet("http://google.cn");
3 i+ D; R3 y' v1 f% V* `/ d: V - }+ P4 M4 ?2 Q/ G
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