|
|
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)2 ~' M2 m y, \6 O1 Y7 V
- #include <ESP8266HTTPClient.h>
% U. R- y* H% }# H, E - #include <ESP8266WiFi.h>6 g' S* Z! J! O2 K
- #include <ESP8266WiFiMulti.h>5 T$ y8 ^( v1 k3 B0 d6 }! ^
- #include <ESP8266WebServer.h>
& |* y4 h( @* ]7 ?' W9 ]$ J - #include <arduino.h>
* }* y# r- p6 a& y. n - ESP8266WiFiMulti WiFiMulti;
- \: _. P! b6 z( s. D - ESP8266WebServer server(80);
/ e' {6 d! ^5 G# ^! |5 n% T# C - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";# }0 i3 H5 A- o S/ n- j
- ADC_MODE(ADC_VCC);2 R# a: B$ }4 l) h( h3 R7 s
- void setup() {
+ y/ P q/ n3 d& N: a/ W4 y - Serial.begin(115200);& s) k* O* K; U3 O8 S% W z
- Serial.print("\r\n\n");3 B* `9 h7 Z+ X: a7 Q! ~
- pinMode(2,OUTPUT);
/ u0 E( T9 d+ E5 F - // WIFI+ P5 Q' J& ]1 X2 I, O
- WiFi.mode(WIFI_STA);- W2 G& ^2 I* O2 f
- WiFi.hostname("Sparkle");4 B2 [: E& m: z. x0 T
- WiFiMulti.addAP("wifi ssid", "wifi password");
* B V+ u* f/ }2 ]3 B0 a - int tryNum = 15;
Z7 O8 y+ R$ y; y# b; f - Serial.print("Connect WiFi");7 q& H4 r: O! a
- while (WiFiMulti.run() != WL_CONNECTED) {6 q5 ^, c, Y" Y" C9 g" s
- digitalWrite(2,0);/ M8 z; i+ i2 H
- delay(200);
- p% ~: L. y3 J: ]. h0 D6 X' q - digitalWrite(2,1);
8 a/ `6 \! m2 b2 z- `' { - delay(300);
* n: K# L( d% x& `4 K& B* X9 s - Serial.print(".");
2 X0 s8 Q9 {+ U - tryNum--;
' v% _& U2 v8 C ]. u: v+ N - if (tryNum == 0) {$ {! P( M0 }* }( {& u/ U* X% Q
- // 1min
# x; K; d, ]1 V( ~9 I9 g& Z& H3 v' i - // ESP.deepSleep(60e6);+ r. F& ]/ W2 m. y8 d1 C! G4 u
- ESP.deepSleep(0);$ p0 b8 Z' f) h) _0 z: s
- }
) e4 Z# K9 {) G$ X- P5 c - }
+ W. M. e7 l$ \( w9 f - Serial.print("\r\n"); ?" _* ~' q5 Q) o' N1 ~! j2 F
- digitalWrite(2,1);
+ e* t4 a) e9 o5 N& V - Serial.print("IP address : ");
. \ b) ?9 { C - Serial.println(WiFi.localIP());
: U( \' m- {% |- Q2 M; S$ h - server.on("/", HTTP_GET, [](){
7 {# x+ `* Q( E - server.sendHeader("Connection", "close");
+ v6 d6 w; q2 r, K" ], o - server.send(200, "text/html", serverIndex);- u6 d! ?6 ]" V% W7 e$ C" I1 H) l
- });
2 u+ n/ O# Z5 W8 x, v6 |* [ - server.on("/update", HTTP_POST, [](){" R! C& \0 d" j Z, i6 G
- server.sendHeader("Connection", "close");
8 v: j+ X* @2 C- W; {* F* T W - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
$ V/ o& F) c& |* O; P1 t - ESP.restart();, D: g3 V" E3 C
- },[](){( l6 p I3 F H2 @! V! a
- HTTPUpload& upload = server.upload();; {7 Y; D% d- r8 R" W/ o
- if(upload.status == UPLOAD_FILE_START){
! Y2 S$ a9 V& O' p - Serial.setDebugOutput(true);
9 @% A: x1 U- w. F" x - Serial.printf("Update: %s\n", upload.filename.c_str());
/ v6 @, P+ K$ V8 F - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;3 H- d6 a& q a1 |9 @; Z
- if(!Update.begin(maxSketchSpace)){
" Y4 k, _- M8 @, y: u$ E; t - Update.printError(Serial);( i4 Q, M# C; B5 S
- }9 o4 O, z0 Z! p2 u9 c2 K$ R
- } else if(upload.status == UPLOAD_FILE_WRITE){; r' U1 \1 N( x% n
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){: I& v) L' r4 c: Z- t
- Update.printError(Serial);
; c/ P. J" n3 o$ A - }& d* F, ~6 Y( y8 I" m7 |
- } else if(upload.status == UPLOAD_FILE_END){; X; J( Q+ f8 K3 y6 x, m% n
- if(Update.end(true)){
6 B; e* ]) L/ v `, b/ g* h# M - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);8 w r# c' |, n( X2 J! O5 _% k, I" n
- } else {6 g: L6 W/ l* b( L7 p
- Update.printError(Serial);
6 f$ g5 T: m7 ? a - }" X* l6 _$ S6 e, n5 z( {/ c. @4 t
- Serial.setDebugOutput(false);
/ Y0 k3 W$ F& C: H5 b - }" ?4 o; l" B% k& J7 t- F
- yield();. i7 ^+ c6 l9 s# x4 V2 M7 i
- });7 K# A! Q+ d9 N s! S
-
9 T: A- S- W) Y4 c' ~8 b8 A - digitalWrite(2,0);. s& J- B$ W% g
- mainAction();1 B4 H7 x, E' T6 L# s+ G, V4 W
- if (digitalRead(0)){
1 e; [5 f# N4 S5 G) Z - ESP.deepSleep(0);4 L6 u5 L: y* c3 h
- } else {/ \& ]# b5 @4 O! ]+ g W
- server.begin();) p2 s0 x' u. k b
- }
9 u2 [, }9 {6 e( z - }
4 [4 W' D/ D' j4 V5 A: m/ O - void loop() {
! m: y2 O; q) t+ \* x. X; `1 S - server.handleClient();6 g% I$ h1 D0 \" P$ { `( b- ?
- delay(1);
( d+ O! v9 |- i7 J% ?6 G - }7 N9 |: ]7 g0 R, d; K5 r
- String doGet(String url){
, I5 \- ? T- n( p! u# X - if ((WiFiMulti.run() == WL_CONNECTED)) {7 @2 W1 E4 p! l' D! N" t M
- HTTPClient http;4 D; z# M' ^9 ^) J1 J9 m
- Serial.println("[HTTP] begin...");# k% n$ V. F. Q5 k" b! t% k& [' h
- if (url.startsWith("https")) { B& t6 _6 `# w- O9 S' n6 q/ b
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");7 D+ C+ Q8 Q' O+ g2 G
- } else {1 ~( P* W1 Q' J2 ^/ v2 o. j0 O
- http.begin(url);6 E7 c: ~. i7 a7 r% g, w
- }
3 V8 F: S* |. ~* `. B - Serial.println("[HTTP] GET...");
) Q( v8 _# F0 z" T - int httpCode = http.GET();
2 |( m" I S* E - if (httpCode > 0) {
6 Q2 P2 t! c* i9 W, b - Serial.printf("[HTTP] code: %d\n", httpCode);
8 `7 @3 e! m4 R4 F0 e - if (httpCode == HTTP_CODE_OK) {9 F; O1 l& v' ?# e& F# j* E
- String payload = http.getString();
" c2 X" ~" @( U2 L- y9 g - Serial.println(payload);! p7 |6 x5 T" h
- Serial.print("\r\n");
}0 g; a. }! n) X/ x - return payload;9 m8 O0 J6 i% r2 l: N5 ?# g
- }
* V9 _3 \0 ^5 U1 N4 U, y6 e - } else {1 Z4 `( H( ]4 d' B0 Q2 J% @
- Serial.printf("[HTTP] GET... failed, error: %s\n",
3 t9 k# p% K; K- j* R! N" U - http.errorToString(httpCode).c_str());/ K9 r; V: ?6 L F
- }
- T; a' h4 H3 @5 }: o' e" H _2 t - http.end();# ]2 I. _; U: X6 R
- return "";
. D @9 [8 p; g( O: N - }9 {: x/ V5 u ?* Q/ e! Y9 ` X
- }
3 F. v% z1 \( w9 X - void mainAction() {& m$ X" Z- I" p0 `$ Q
- // 发送请求
- F% n, d1 V3 h9 V0 O* x2 M7 B - doGet("http://google.cn");
& b1 x& O$ \- Z - }9 K/ v4 z9 P, d
复制代码 |
评分
-
查看全部评分
|