|
|
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)
, z6 V! [ X x5 m1 E! B1 H- #include <ESP8266HTTPClient.h>
) C4 l3 c0 v3 e8 ] d9 B - #include <ESP8266WiFi.h>
$ j' @( |# w( {& C: h: G; [- o% P - #include <ESP8266WiFiMulti.h>8 n6 l: T( N, m4 E n
- #include <ESP8266WebServer.h>
/ ]; X& j* }6 }) X% |6 z4 B1 S. J - #include <arduino.h>8 M- n( ^2 C, U5 q7 m
- ESP8266WiFiMulti WiFiMulti;2 v+ T4 s* x5 G( R# w6 a
- ESP8266WebServer server(80);5 `$ t& E; D8 @! b' f
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";1 E4 R/ ?$ c4 G* `1 F4 g+ \0 {) ^
- ADC_MODE(ADC_VCC);
/ M& r0 E! G& k" S3 L - void setup() {- }! Y. ?0 Y4 O' t$ ~# N- @
- Serial.begin(115200);/ Z! ?7 [1 B+ E+ c c" Q3 ~. {) t1 v
- Serial.print("\r\n\n");* O6 T0 u T! Q0 g; `
- pinMode(2,OUTPUT);
$ _* i% i8 L: q+ t; X# d. p' T+ n - // WIFI
l. {6 l( a* O7 o8 Z - WiFi.mode(WIFI_STA);5 X3 a0 e3 X, |; r: K
- WiFi.hostname("Sparkle");/ n, {" I9 `" [
- WiFiMulti.addAP("wifi ssid", "wifi password");" {5 g2 j8 o2 G1 e/ e" D) Q
- int tryNum = 15;& d7 f6 J; t+ [ ~0 S! X! l1 a, |
- Serial.print("Connect WiFi");
( i9 ?2 H3 B/ g7 \) j - while (WiFiMulti.run() != WL_CONNECTED) {2 w* T& L+ H. v1 J4 e
- digitalWrite(2,0);3 J: B* Y: p$ w0 v& r/ d/ w
- delay(200);
% J1 p8 `+ @: p& w - digitalWrite(2,1);
3 F# z; y; B) A: r - delay(300);
: s- u6 m& p9 a - Serial.print(".");' N" r7 x6 v8 _+ k+ T& ~# m( T
- tryNum--; s, }) H; o. \* U2 }( Z$ {- M6 z
- if (tryNum == 0) {
+ ]2 f: Y7 |0 O: h2 b - // 1min
! C1 }$ ^. R$ q9 a, N" b9 y1 ?5 J - // ESP.deepSleep(60e6);
/ m4 p- l0 a; h6 g6 C - ESP.deepSleep(0);
5 {" x$ N, v3 F0 ]! _ j; A6 ? - }
' r- n- s3 M- M; X# ^" p - }
+ f8 D. g4 f! N. v. q# d( P - Serial.print("\r\n");
0 |: j" Y e" J" x+ I6 ? - digitalWrite(2,1);% g' w! a2 {* \: `6 l
- Serial.print("IP address : ");
2 {4 u. k4 q: t: c( {/ t - Serial.println(WiFi.localIP());, |; D+ H# w. i: V
- server.on("/", HTTP_GET, [](){
3 ~" x7 g- |$ t5 E) P - server.sendHeader("Connection", "close");
8 P# Q1 `# O9 y$ I# A/ ] - server.send(200, "text/html", serverIndex);% b7 n1 |' F5 S8 F @
- });- z1 Y9 A' b6 A# g
- server.on("/update", HTTP_POST, [](){- Y+ B9 G8 v# T9 q2 x3 [/ f$ l
- server.sendHeader("Connection", "close");
- @3 ?6 S/ H" ~/ L/ \! l7 l; x - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");6 E$ T/ I( N8 B4 f1 t% W! z
- ESP.restart();; a* t2 r8 x& |; P; e$ q
- },[](){
4 \/ C) r9 Q% `! n - HTTPUpload& upload = server.upload();; j! X x" A0 z6 ~" E& t
- if(upload.status == UPLOAD_FILE_START){9 z1 K8 O, K& v U) `( e2 b
- Serial.setDebugOutput(true);
t U) Z c" ~& B( ~3 y- d - Serial.printf("Update: %s\n", upload.filename.c_str());: ^3 Y- L1 W9 T5 r! z! O9 c: I- n$ S6 C
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
|! ` J6 A" b - if(!Update.begin(maxSketchSpace)){
7 E( s) y2 O) R3 I. z) G& c/ E7 k - Update.printError(Serial);! I/ T% C- J- T* z+ E' E) B5 W$ m0 E
- }2 f: K7 L3 d8 r/ [$ S5 z
- } else if(upload.status == UPLOAD_FILE_WRITE){
G9 M" f2 f: r: w: s" b% v - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
8 v( ^: G! ]2 x- { - Update.printError(Serial);
: m9 o# C+ H1 p. h6 F* z C - }) b5 G; a8 r4 [1 f% ~( I9 p
- } else if(upload.status == UPLOAD_FILE_END){
2 b8 v. ?6 i4 I- x2 w: W - if(Update.end(true)){* a, U! M) ]2 ]/ _/ r9 k9 G
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);3 Y* @5 {+ S9 S. d$ L$ F, q
- } else {
6 a/ B- d# }, y+ O! S; D - Update.printError(Serial);
9 Q- a" }2 {- x& ~# j+ |+ D# A - }) S5 ~) ~. F$ Z! L; K" T
- Serial.setDebugOutput(false);- u( q( S/ G& s: |/ h
- }0 W# S1 m+ Q, q# i
- yield();/ H8 k- {$ L$ v2 b+ u# `! X
- });" G. A$ w! a: V
-
5 }% U! `5 C# y6 Y* }" L' @ - digitalWrite(2,0);; J1 p1 [ W' ~- a/ C2 K
- mainAction();
; Z( h' A) W6 b6 J8 j. L2 e+ P# Y - if (digitalRead(0)){
0 Q7 i" i) I; Y. W" n9 Z - ESP.deepSleep(0);
" U/ F2 \5 N8 D5 r; K - } else {
, s2 O4 v6 \( c& g - server.begin();
: W$ |, r+ U: { - }- m9 j) F' u/ }" I
- }
% H) a! t$ @" P+ y) o) U3 y4 u - void loop() {4 C# K6 y$ \! S& O2 p2 `
- server.handleClient();
& a) b8 q4 t1 D& S" Y' o9 H - delay(1);
R* j7 e0 N6 E2 h& v* F - }% k8 R4 g P4 u4 U. P8 g7 v
- String doGet(String url){+ t$ e- q( A8 @9 J) U. K
- if ((WiFiMulti.run() == WL_CONNECTED)) {% s$ ]/ A% Q1 P2 E& h% L: Z
- HTTPClient http;
& i0 l3 X4 x& _' A; @ x: E0 v - Serial.println("[HTTP] begin...");' V+ x# v! D2 P7 ]
- if (url.startsWith("https")) {; B( e9 w4 v3 \- K
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");! k( l" W$ H1 L( v |8 w
- } else {+ `" s( |5 j6 ^& t6 S
- http.begin(url);$ Q5 Q: }/ H" G& S2 `
- }) v: X0 Y( O7 ]. O* i! I
- Serial.println("[HTTP] GET...");
! r2 g0 e& J x8 R - int httpCode = http.GET();
$ u& R% P- Q, {2 b4 M# u - if (httpCode > 0) {( j6 ~6 D# C2 V* u5 S1 V9 |
- Serial.printf("[HTTP] code: %d\n", httpCode);6 N% ]1 |* O3 U/ j/ k
- if (httpCode == HTTP_CODE_OK) {8 y1 _7 m7 l+ {! L& M
- String payload = http.getString();5 I5 h# @! O: t* \' j; ~
- Serial.println(payload);7 E% G" ^/ z, p: F7 J% a
- Serial.print("\r\n");
' R0 y; ~; ~1 F$ G4 D7 d. l - return payload;! r/ R3 X2 c+ A9 M: p
- }$ G( } D L' s4 N. Q! b) z
- } else {
( N3 U% U ^6 g2 ~; o! [# e - Serial.printf("[HTTP] GET... failed, error: %s\n",( P# I. x. n O: l$ z
- http.errorToString(httpCode).c_str());
+ ^$ w% a; r1 y. d" c' F - }3 o4 m k2 q0 p( O8 A
- http.end();0 z2 Z2 S& a9 y( K0 H8 U. \
- return "";& ^9 s T! b2 b; L
- }5 m% l3 t6 K. h- F# Y1 C3 f
- }
4 o1 { h) J! D [$ l - void mainAction() {% |+ o" n4 R, m2 W
- // 发送请求: m5 T) ~" @; a4 Q8 N5 z
- doGet("http://google.cn");
; P( m0 q) d `/ P' t1 {9 h - }& S( m6 ], S8 S3 h# `
复制代码 |
评分
-
查看全部评分
|