|
|
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 p0 ^- p% B* j) i# V/ l4 P- #include <ESP8266HTTPClient.h>
" T/ k# X4 @( J; ^/ r2 b# X; x! V - #include <ESP8266WiFi.h>; L* W4 I( }) B: `3 b
- #include <ESP8266WiFiMulti.h>: G5 \& Q9 W. y, x8 C; q
- #include <ESP8266WebServer.h>
6 E2 v2 g3 Z% _ b2 f- J' b - #include <arduino.h>" g8 q, u" p G* h
- ESP8266WiFiMulti WiFiMulti;0 s+ g6 J; E, F# Z
- ESP8266WebServer server(80);
! t& @% G, ?* _' B1 Q. [ q; }. _; w - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
( G" o/ e% }# Z0 J* J - ADC_MODE(ADC_VCC);
# a k% w8 x3 E- P: E3 k2 R - void setup() {
$ v+ D4 x, |+ G- o0 y; \: g3 P6 D2 g - Serial.begin(115200);0 r: s7 h2 ]! ?
- Serial.print("\r\n\n");
1 i8 s3 J/ h* ~# p) q) c. r: e - pinMode(2,OUTPUT);
. Y2 j$ U4 Q$ U1 b - // WIFI4 B3 Y1 I; \# J5 X/ R9 a( z
- WiFi.mode(WIFI_STA);* z$ |. \3 N+ A8 @
- WiFi.hostname("Sparkle");
) }8 s8 W+ F- E( L' z. q - WiFiMulti.addAP("wifi ssid", "wifi password");
* K; K! }2 b0 K* k, j8 j. v" \ - int tryNum = 15;
& w( m+ f, ?) a, P$ ~ - Serial.print("Connect WiFi");
! m" w+ D* L1 y - while (WiFiMulti.run() != WL_CONNECTED) {5 S2 m% Y+ c/ M5 a3 n K7 A
- digitalWrite(2,0);
. M' |' }/ h, q8 f+ \- ^( J5 _8 T) h - delay(200);
1 Q! t0 O7 T" h# D( _" d) w - digitalWrite(2,1);" r9 X' U. P% J- @# I+ L q0 U
- delay(300);8 E9 n% g4 ]' p q* _( D; G; x
- Serial.print(".");
) f' V& _6 l! v, z1 [6 z) c - tryNum--;* L E2 {& r" `5 c) X t6 |$ x( W
- if (tryNum == 0) {/ H3 S, I: N; Q& [8 `
- // 1min
* O1 R5 z) `+ N - // ESP.deepSleep(60e6);5 l+ E" _3 i$ B& }- h$ V9 ?. z
- ESP.deepSleep(0);3 k) x! k8 H* u0 x& q0 `! I9 }
- }
% Q$ B) m6 ^5 F. z7 ` - }! b! o* I/ M3 r, G$ z
- Serial.print("\r\n"); G* l' a/ b# M
- digitalWrite(2,1);
9 Q4 T4 d2 Q! {0 F( F. c7 \ - Serial.print("IP address : ");
, j8 \0 G8 V7 Y0 @" c - Serial.println(WiFi.localIP());
r( Y J' f" j$ @/ X# E6 z! d# i4 } - server.on("/", HTTP_GET, [](){
8 G. \% H7 Z0 y" C* Y% F) ] - server.sendHeader("Connection", "close");1 B* m8 z. \% y6 l8 q
- server.send(200, "text/html", serverIndex);
2 h; C1 D5 U. H8 k' o- ? - });
' n( n4 f4 o& t - server.on("/update", HTTP_POST, [](){
/ B) l5 ?1 L% }8 n0 b - server.sendHeader("Connection", "close");
0 _7 P8 E+ |( l( L4 w/ y3 w9 N6 L - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");( b. ~5 @- }, P2 V% \% Z9 l* Q
- ESP.restart();
" a7 [9 ]" N* _( `7 C, g8 f" D - },[](){* P) _ x% r @" u5 d
- HTTPUpload& upload = server.upload();
# _- Q0 r' |3 S) T0 a1 {4 p - if(upload.status == UPLOAD_FILE_START){4 R4 R9 i5 i! f- m4 v( e, V6 I
- Serial.setDebugOutput(true); U" I) h3 Z* ?* D
- Serial.printf("Update: %s\n", upload.filename.c_str());
5 ?- C" k) K1 |8 ^7 d' N - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
3 Y6 U8 M8 a& h' O, G - if(!Update.begin(maxSketchSpace)){7 K2 |) T6 h, X6 Y% p
- Update.printError(Serial);
" O8 _( o4 u+ q* D - }, \( T; ?9 ~6 ?5 H, e6 a
- } else if(upload.status == UPLOAD_FILE_WRITE){
8 \7 r+ ?" X8 q `6 g/ X - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
- a: @5 {2 L" m5 U e - Update.printError(Serial);
% y9 k( G" r5 d8 U4 | - }
6 d3 S4 ^4 C3 M4 } - } else if(upload.status == UPLOAD_FILE_END){
1 K+ w( L* N# l5 {! s$ q+ [* X - if(Update.end(true)){
, o9 i, n: h, n/ M5 G0 q' {: A0 v, S - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
7 I( t$ N9 V+ X& u/ U' m6 `: M- Z- { - } else {
& o8 J$ ]4 o+ n! \2 I. V - Update.printError(Serial);
, E* X0 s$ N) H7 ~! o F% g - }
' z( x! w* L1 V - Serial.setDebugOutput(false);
" R0 I( L9 e; ~9 j7 w - }5 q# [# i5 ^# g% s' K* ]9 ^0 f
- yield();
( E/ Z3 [) J# r# c& O8 `2 x - });8 c _& ^9 x+ t& w
-
" x. L, s, R. |) Q1 k/ R9 o - digitalWrite(2,0);2 }6 z5 E% E+ {0 V x
- mainAction();* a! M$ }" X+ ]+ |
- if (digitalRead(0)){
# t, X! u* g }% B2 b - ESP.deepSleep(0); ^+ V" C, R, T( E
- } else {
( o# V" G. g$ g" }# J8 d2 j - server.begin();
6 Z2 t9 K7 b6 X/ t; Y3 s0 l8 M - } L% @, z3 M4 d
- }
; O6 P1 H6 s K - void loop() {
" a0 b2 b' {' z( K2 e/ R+ O- q - server.handleClient();
/ P* s- k5 l! U4 ? - delay(1);; r4 ?/ Z9 I+ Q0 v2 n! M
- }
# y; u* V+ f9 ~- f - String doGet(String url){9 D. }: G4 k2 C& w# i1 Z
- if ((WiFiMulti.run() == WL_CONNECTED)) {
8 h& e, p/ ^' L$ y - HTTPClient http;
; c7 a+ M9 Z9 D# L9 y8 s& ^0 T1 r3 t - Serial.println("[HTTP] begin...");9 i3 u; h6 h3 |- \
- if (url.startsWith("https")) {( _0 B! X4 X8 Q8 Q0 z" T! m
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");: v* W# q5 a# ?1 y, d' `, N
- } else {/ r' U6 {) h8 v! b# C" b$ g
- http.begin(url);
9 p; D' v7 D; b, E5 f* U - }
/ m1 ^" ^( D: u' ~ - Serial.println("[HTTP] GET...");
7 ^: @; ]2 `) ? - int httpCode = http.GET();
$ K, |& Y% x/ M8 Y - if (httpCode > 0) {* [: k+ `$ }4 n7 p4 @' {$ G2 C) f1 ^
- Serial.printf("[HTTP] code: %d\n", httpCode);- s9 @: f& ]$ s
- if (httpCode == HTTP_CODE_OK) { N9 z2 b8 P" O( Z
- String payload = http.getString();1 e0 z7 M2 A: C. \
- Serial.println(payload);
( r2 f. n6 I4 R, K" } - Serial.print("\r\n");
! _. H/ r- l" R; l1 v0 t& S3 M - return payload;1 M% D0 M+ D( m# m- r! x
- }
* b6 }. O8 x' q! r5 V5 u( r3 s - } else {$ {- h! ?- _$ z. W
- Serial.printf("[HTTP] GET... failed, error: %s\n",
" Q/ {, u8 y" }$ T - http.errorToString(httpCode).c_str());
* ?" l1 h! [( L$ u( q0 {0 ^2 w9 J - }/ A2 \' @* |& k' ~) _
- http.end();0 U/ m4 x, n& w9 }( C# R; s( F8 _
- return "";
& H, Y1 P' V2 [ x( ]5 F - }
; Z9 F. j* M- g - }
4 Y" B8 n4 L# L" a - void mainAction() {
) T/ U5 X$ q& r - // 发送请求) l& C+ \ M* m
- doGet("http://google.cn");
* b7 A7 t/ E8 |. f! D5 k( D - }
5 @' E$ r' j. q* v
复制代码 |
评分
-
查看全部评分
|