|
|
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 Y% \) Q: ]& E1 m) o% G& U
- #include <ESP8266HTTPClient.h>8 s' u$ {( d0 e$ w% W+ d0 R! \
- #include <ESP8266WiFi.h>' u$ }3 c* N# n* i
- #include <ESP8266WiFiMulti.h>4 b0 `# ^# q- m1 ?: M
- #include <ESP8266WebServer.h>- N/ X/ Y! Y, b1 m. m0 r- Q, ^
- #include <arduino.h>
3 G7 g1 m1 f6 g) M& j0 M0 {. F; a - ESP8266WiFiMulti WiFiMulti;# k3 ]) O% X8 Q1 i
- ESP8266WebServer server(80);
3 L+ o* L; E U* p' Z - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";5 L: u$ U( p+ t/ `/ G. P% S% V
- ADC_MODE(ADC_VCC);7 n3 l: U$ ?" S3 N; s
- void setup() {. e1 ]. E; U* V' n' J
- Serial.begin(115200);4 C, o: R5 \1 j* z4 |+ H
- Serial.print("\r\n\n");* i& `2 j: f( c( r5 U
- pinMode(2,OUTPUT);6 A/ a( X. F/ M/ } T
- // WIFI
! a! J/ q8 K# R - WiFi.mode(WIFI_STA);
$ z; A1 O$ c" i3 i- T" Y - WiFi.hostname("Sparkle");( l" C% k$ q/ b- {
- WiFiMulti.addAP("wifi ssid", "wifi password");( M( D! ?( u8 n' Y
- int tryNum = 15;
( [( m r3 [! X3 ~/ e - Serial.print("Connect WiFi");/ Y' b Q" B8 c' W" d2 f& W
- while (WiFiMulti.run() != WL_CONNECTED) {
, {1 C6 E- q$ t, o w) _ - digitalWrite(2,0);
. o1 _% g8 R9 C; k7 n* z7 P - delay(200);
6 _- ~% J. B5 Q5 x - digitalWrite(2,1);; v! D. M% q; |0 a% m5 N4 B
- delay(300);
) O5 ]" k- q& I* m - Serial.print(".");8 F' c4 j; \$ N' T- Q
- tryNum--;
5 Y3 }( F2 k& Y5 \: b K - if (tryNum == 0) {
; Z+ I' C0 m5 H, e* E - // 1min
& q- S8 o& R/ v8 d - // ESP.deepSleep(60e6);
# K. s! R+ O K _ F1 @! N - ESP.deepSleep(0);+ @, ^; {& g, B. G: V) j7 p
- }
& I/ u! d9 q+ I, B5 d6 p4 f/ X - }, a3 m8 a3 g ^9 t& `8 W* k8 G
- Serial.print("\r\n");
# r6 a5 m. A" A5 W - digitalWrite(2,1);9 Y- _# ~* x- g: x* f; G) ^/ o" u
- Serial.print("IP address : ");
! @3 {! Z) w9 } H - Serial.println(WiFi.localIP());
3 m' D# P/ N w) Z, d- V4 K7 J5 E - server.on("/", HTTP_GET, [](){, b: O \5 U6 Q5 s+ M9 p- U/ T/ F
- server.sendHeader("Connection", "close");
' ~$ C5 k* ~# O& g - server.send(200, "text/html", serverIndex);
+ N9 X. R2 F& C3 | - });6 ]9 k* N' @# q) e! w2 J
- server.on("/update", HTTP_POST, [](){
, ?4 W! G+ D t2 q6 F. V9 X2 q) e - server.sendHeader("Connection", "close"); k! F7 }, L- l
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
# `% z1 h; D4 A, L7 I, r5 N - ESP.restart();# G& `9 D9 E8 v0 a& m5 R
- },[](){
a7 T& T) {' G) X - HTTPUpload& upload = server.upload();+ h# I l7 ^! ?4 `* h
- if(upload.status == UPLOAD_FILE_START){
. O( n0 @! |. J - Serial.setDebugOutput(true);
4 r6 f% E _2 Z9 g: p* i9 _# h4 | - Serial.printf("Update: %s\n", upload.filename.c_str());
! h U; [# r; w% a- s7 J7 R: V5 r - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
& o* p. V& a) n+ J. J5 i - if(!Update.begin(maxSketchSpace)){
) f9 g( O' J" |! e0 ? - Update.printError(Serial);
' x7 K# k. u5 g3 M+ u: r - }
2 H, u1 [" e+ _! P8 h _3 O - } else if(upload.status == UPLOAD_FILE_WRITE){
% D" z$ h7 p3 E/ d& R) h! d( | - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
$ ?* b& T0 O2 ~ ^ - Update.printError(Serial);
& X. F' c9 F! S+ ^ - }& I8 L Y) g& y7 y" i' }
- } else if(upload.status == UPLOAD_FILE_END){
% s4 u/ b% x8 ]2 @: Y" ^# U9 Z - if(Update.end(true)){
4 R8 A9 D1 I) e. e3 v$ s - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);) L9 G% t& h& h" S3 P; Q: z
- } else {4 C, d: C6 c$ r
- Update.printError(Serial);
7 n* p/ u" P9 K/ }" H3 e - }" r" U) l6 ` f6 r& o" V
- Serial.setDebugOutput(false);/ T1 a6 h$ O% a) y* n
- }
5 q: f! k, G6 Q - yield();8 i4 Q, l# O: {, t- w& z
- });
! C8 H- U8 ]+ H8 d) `" V -
/ G2 B# q9 M0 f/ f1 B4 i - digitalWrite(2,0);( v6 X" y; }) A8 W2 w" K0 l0 G% h
- mainAction();8 c6 B7 H, j& o; m) s) l
- if (digitalRead(0)){3 a9 a& _( Y' X
- ESP.deepSleep(0);
1 f2 k" E9 c( u) ], G3 y# q9 R - } else {3 S. |; Y' y9 N' m& Z
- server.begin();* b+ e5 p" ?! A
- }9 H; O n5 {7 c/ I( a
- }
0 W) U# ]! f3 ^+ z3 { - void loop() {0 q5 B" V. U6 I3 V' X
- server.handleClient();; P7 v5 J" v+ ~
- delay(1);
- V+ C+ ?$ l o+ U: i - }3 a6 N* F8 P p
- String doGet(String url){
0 ^/ L/ s$ B* B+ Z) ]9 e$ y2 @ - if ((WiFiMulti.run() == WL_CONNECTED)) {. {+ ^9 d8 \) l) A" n8 V" O: j
- HTTPClient http;
( m$ k, h* x, K$ I5 K - Serial.println("[HTTP] begin...");
9 O$ p# ~. S( z( p3 z: k - if (url.startsWith("https")) {
6 K( r5 }# Z6 E$ i2 | - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");0 ~' b9 X) C0 F9 ~6 I
- } else {
" L' p; H3 X8 F - http.begin(url);
: ?. N2 |* E: A5 v" H/ O- D& f3 F - }
& ^- Q1 T2 |! u3 ~; D% } - Serial.println("[HTTP] GET...");
( U0 S! ^7 x/ a2 z+ ? - int httpCode = http.GET();6 [1 G ]+ |' o: P4 D: \: m9 q' d. S
- if (httpCode > 0) {
, S: |! P9 _! A% ~ - Serial.printf("[HTTP] code: %d\n", httpCode);1 b L) l% `. a/ R1 F) e
- if (httpCode == HTTP_CODE_OK) {7 q' @; ^: B: u, }
- String payload = http.getString();: |( s4 g; o6 Z( E3 b4 X
- Serial.println(payload); ~% v3 |2 Z* r* y$ k
- Serial.print("\r\n");
$ m: u. U. K: V7 q - return payload;
3 Q9 o. T9 P x+ {9 {' `4 W E - }
$ V) }6 c8 n! l9 w/ i. W - } else {2 E( N) Q* w: V, p4 q+ ^
- Serial.printf("[HTTP] GET... failed, error: %s\n",1 m7 K1 u6 `; U! b/ x( o" L* [
- http.errorToString(httpCode).c_str());$ P. j9 @; n& u1 _/ N$ j
- }
8 L& {, k' j5 ~5 w; B; c+ z" E9 D5 N - http.end();
% g2 N3 O& d1 U - return "";
9 X. z7 ]% ^" g. t: W9 f- i# E0 C - }/ F; y: f. ] w( R* N
- }
" ]0 S6 d6 e, }; o - void mainAction() {
( y. m" \3 Z1 I8 \6 |' ] - // 发送请求
4 c! g" n5 ~8 @7 T( Z5 M - doGet("http://google.cn");1 J4 H8 P+ `/ u$ N! s# d
- }
/ R3 R1 m' z' A# s7 l; D
复制代码 |
评分
-
查看全部评分
|