|
|
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)6 x/ s/ t8 u% X; K/ V3 x9 {$ W
- #include <ESP8266HTTPClient.h>
2 X$ S, z9 K D/ t' K - #include <ESP8266WiFi.h>2 [6 j- j4 |! `- ?, q, d) Y
- #include <ESP8266WiFiMulti.h>8 q' w2 w' S/ A3 F& Z8 o5 ?. M
- #include <ESP8266WebServer.h>$ e( Z! K1 l. z$ V: u
- #include <arduino.h>
9 y* a9 v3 y! o; ~) h+ K - ESP8266WiFiMulti WiFiMulti;
& |8 {4 K4 C$ R' P- x - ESP8266WebServer server(80);. L7 Z8 \ [+ c* o# u8 F
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>"; @ S% R4 i% j/ ~4 \$ p
- ADC_MODE(ADC_VCC);
) m0 m6 F# n3 @+ R! b& Z - void setup() {- f4 `0 b, u7 m5 U6 O+ E
- Serial.begin(115200);
; e3 d. `" W' Q- B - Serial.print("\r\n\n");
( [9 |0 `$ Q: H5 \ - pinMode(2,OUTPUT);1 e$ U0 Q. l% |! _, T
- // WIFI8 b/ D2 O, R& g. |4 B
- WiFi.mode(WIFI_STA);
# M6 \1 i& X: ~, S; G+ G - WiFi.hostname("Sparkle");; k% h* R5 M1 f L1 i- s: h
- WiFiMulti.addAP("wifi ssid", "wifi password");
2 {* }$ K* s! N7 z3 t% I8 @! X - int tryNum = 15;
& L6 v2 c6 {7 i4 g - Serial.print("Connect WiFi");
, |" a( }6 R, s8 {$ D6 D - while (WiFiMulti.run() != WL_CONNECTED) {* V# [2 U1 s- X* ?- g5 H, K( D
- digitalWrite(2,0);7 k# w5 v: I' G3 y3 y) N/ B
- delay(200);, R9 G5 v) v, j& [7 p0 N
- digitalWrite(2,1);
2 i$ R2 N5 }: M* E4 p' R4 C$ Z- O - delay(300);7 @9 u1 L6 [' O' K5 b0 K8 Z0 U
- Serial.print(".");
2 _& L' n5 o6 ~$ l5 S/ p - tryNum--;! B# X$ K! V- R1 r# }
- if (tryNum == 0) {
" \5 @! i; w- B% w0 B# p+ a% y' J7 { - // 1min3 V! G: y7 g& g. Z$ b! t* c
- // ESP.deepSleep(60e6);; Z& g) d- d# }2 P7 J8 M
- ESP.deepSleep(0);! T/ d2 C. ` d+ o
- }! `( R- D1 x/ F1 m0 t4 j. W
- }/ D0 U" v& E0 G, T0 U8 J( v
- Serial.print("\r\n");2 }$ M* t2 n8 v: @) }6 G
- digitalWrite(2,1);
# @- p0 a9 Y5 i8 z8 T7 g6 h n - Serial.print("IP address : ");
# ?/ Q/ e8 ?+ p ?- w7 Y - Serial.println(WiFi.localIP());
8 e; h+ T' {, X2 k0 d! B' M - server.on("/", HTTP_GET, [](){
) |% ~) l: }/ C- a4 X ^, z - server.sendHeader("Connection", "close");; Q/ H, s ~6 I8 f; C
- server.send(200, "text/html", serverIndex);
6 z( h7 z9 \5 i5 ~% X2 x, Q/ X - });! X0 E8 N+ V7 ~3 m ^2 @; I
- server.on("/update", HTTP_POST, [](){
5 f% K7 u3 ~6 W) o8 M# R - server.sendHeader("Connection", "close");
" J" t6 L7 F1 v S2 r4 t, O8 m - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");7 M$ O" ?. c% y( v9 O
- ESP.restart();
# B" S4 k3 n7 X+ l' A1 [7 k - },[](){
4 i/ w4 Y5 e; z, m6 G - HTTPUpload& upload = server.upload();8 J6 j4 q p1 t8 [3 o: @! v& u
- if(upload.status == UPLOAD_FILE_START){" S3 Q% t- {3 h {3 N2 I
- Serial.setDebugOutput(true);3 {8 @2 B# e9 d8 y7 n: [
- Serial.printf("Update: %s\n", upload.filename.c_str());
2 k! P7 Z7 {0 Z - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
& S3 K. O9 K$ U7 X' Y - if(!Update.begin(maxSketchSpace)){
9 X& j. D- o# U& E/ V - Update.printError(Serial);9 A6 q% ?: c, g
- }
4 n% l4 F* ^/ R8 k - } else if(upload.status == UPLOAD_FILE_WRITE){. V6 ^! T3 h2 r5 ^
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){) Z6 s' u& _( y5 V4 Z0 }
- Update.printError(Serial);% I! w5 X- u) ]- b/ C! K
- }
1 [8 y0 Q: H5 K( Y9 q - } else if(upload.status == UPLOAD_FILE_END){0 v* S" a% O) r' b5 e- H! ^* j
- if(Update.end(true)){( T- t7 {& J' {3 T) y5 e+ ^- D
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);. L# |; T; ~) n/ X2 O# e
- } else {7 M+ N; ^; s2 L+ m
- Update.printError(Serial);
; \" T: M0 M3 E0 `$ K+ ? - }% G! D- I% Y3 b. x
- Serial.setDebugOutput(false);& {; b4 S& i2 y# m2 f: G, p* C
- }! W3 q, u9 e8 l3 O3 i( h+ s W
- yield();
& V! ` b' |5 D8 S2 U - });
: r! z3 D; }! `) n5 {" c& L6 J - * m6 a# p8 L( `) G/ S) f1 [
- digitalWrite(2,0);
/ W F1 m* D) g& o - mainAction();
) h! ?5 N6 c+ g- M - if (digitalRead(0)){7 q+ V ?0 V* m# W
- ESP.deepSleep(0);& v5 o6 M5 ?! o
- } else {
/ U, d2 l- A; U8 C. r8 W, M5 V+ p - server.begin();
, n* I5 K+ P( \* d& t; f - }
+ g; F3 P/ R" U, A - }
2 h& h& X1 Q) p7 u% \ - void loop() {
# V7 B* L& s7 o - server.handleClient();7 Y7 w7 q2 Q. G0 Y0 K" l
- delay(1);& q2 A4 C4 d n: ^" |) X
- }
6 |1 i2 i# [; p - String doGet(String url){
$ N7 Q2 [' [' e! f3 i - if ((WiFiMulti.run() == WL_CONNECTED)) {
5 X5 m% G5 v4 \' x - HTTPClient http;7 N; Z2 w7 t; z2 k" f+ T* {
- Serial.println("[HTTP] begin...");
$ P* { x; N' `* ~0 q) m - if (url.startsWith("https")) {
8 @& F) }- M$ T* Z - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38"); V, _6 p; b7 Z3 E# N" c
- } else {
. a& q' W- I8 O- \ - http.begin(url);
( R; Q) G) S; o8 B: L - }' N7 D, E, _4 ^5 V! [
- Serial.println("[HTTP] GET...");
! H+ W% W& D( P& A9 K# |) { - int httpCode = http.GET();
6 P9 J9 Y5 a6 ]5 l& D8 Q& d - if (httpCode > 0) {; f6 q! j ^& r# S6 X9 U: f4 |
- Serial.printf("[HTTP] code: %d\n", httpCode);
& K- f" q+ q7 n - if (httpCode == HTTP_CODE_OK) {; ?; h! l0 Q) z, a$ c4 w- g
- String payload = http.getString();! b# w T8 n4 ^4 c" C8 O: `; J, `
- Serial.println(payload);3 Y7 h; y; {' N0 R) ^
- Serial.print("\r\n");
% x( c @7 h4 W O1 E - return payload;
. j' R6 g5 z2 G2 w' Q3 k - }$ Y4 ~( x& F" g8 |8 Q- g) Z
- } else {0 |% o$ Z8 L/ x/ j8 J
- Serial.printf("[HTTP] GET... failed, error: %s\n",
! V; u7 g, T" N. j - http.errorToString(httpCode).c_str());& _- d; r0 @5 ?' a2 a
- }
" I* ?" D L+ I - http.end();
( ^+ X% u5 @% }% ~; A) d5 G f - return "";
5 s: r0 U( W# v1 A* D - }( Z! L# e3 b0 ~6 z0 G+ I
- }
2 p: P% k$ |3 H) B$ `8 I" R - void mainAction() {
0 H6 z G3 H$ T - // 发送请求) \9 w0 g0 A" @! V& P
- doGet("http://google.cn");8 M* i0 F4 b' T: z" J
- }" ?+ G+ K H9 ~
复制代码 |
评分
-
查看全部评分
|