|
|
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)
4 g4 p: `; S4 O" }. p% q- #include <ESP8266HTTPClient.h>4 s( _! h4 T* |
- #include <ESP8266WiFi.h>
7 _- p9 N0 P% o- }5 K. z/ R - #include <ESP8266WiFiMulti.h>% w r4 y% Y! l" D: w9 f
- #include <ESP8266WebServer.h>
- G3 ?- Z6 i; M: `2 r - #include <arduino.h>0 r, b. M. p9 }4 N0 A5 w
- ESP8266WiFiMulti WiFiMulti;- D4 p) u8 |' X2 \. M) x0 Q2 Z: j% ~9 q
- ESP8266WebServer server(80);
% I; Q$ T; N* ?0 J - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
$ g" |' a4 Z# I$ u" y5 _* {- }( ?2 L, s - ADC_MODE(ADC_VCC);
4 F; y+ c% u( A- V% b7 } - void setup() {
) H! s/ V" Q. [ - Serial.begin(115200);% G/ Q4 w6 |+ ~8 L
- Serial.print("\r\n\n");$ {3 ]3 \# T. m+ ?! b$ C; p
- pinMode(2,OUTPUT);
9 u% t. {* O$ ?' V R5 O& B# { - // WIFI/ `& Z% S4 T2 F5 ?) n# T: g
- WiFi.mode(WIFI_STA);% D' r- N. L. y4 Z
- WiFi.hostname("Sparkle");
8 ^" H z# f- e5 ~* i! r - WiFiMulti.addAP("wifi ssid", "wifi password");
4 I0 C2 C4 |' Q3 l- Q9 { - int tryNum = 15;
' f4 Z; A2 t& `" ^/ Q - Serial.print("Connect WiFi");
5 c" C% O" ^0 b. L: L) b - while (WiFiMulti.run() != WL_CONNECTED) {
" f& Y( j4 k) [, U5 I0 b" b6 X/ Y/ e' c - digitalWrite(2,0);! e, z+ T: s# C/ w6 L! W; Y
- delay(200);
1 D8 a# p! l- e+ a9 I - digitalWrite(2,1);
5 Y* a! N$ y# z, ]: G: r - delay(300);
! k U% t/ n/ B- s - Serial.print(".");1 ]- O ?# {! R. o; Z& T2 p0 G9 F- f
- tryNum--;5 T# Z7 h, r! L; w& o! P
- if (tryNum == 0) {
0 I; w" R8 z- i4 `# r( ?" _ - // 1min
; h2 g" R% |: {' n) m - // ESP.deepSleep(60e6);
) I4 z' L5 W) c+ v - ESP.deepSleep(0);
7 k8 C) D! i- i2 N - }- V: v+ C0 q5 i* l
- }
8 ^5 |5 n5 n: M$ g H" q# o - Serial.print("\r\n");
$ f; K- O# ?1 e5 M% C - digitalWrite(2,1);
5 C) m( y% T' b - Serial.print("IP address : ");
# N. S2 A& p! p; A M - Serial.println(WiFi.localIP());
: E* S" H. Q4 E: Q - server.on("/", HTTP_GET, [](){# \2 J6 b5 _* M+ A* N
- server.sendHeader("Connection", "close");. H0 U# N% x1 H
- server.send(200, "text/html", serverIndex); c3 J. ^, }: |" ?% X: d& |
- });7 ^5 b, L! F' T6 }- T& f
- server.on("/update", HTTP_POST, [](){. w( G8 \- o5 z6 @" m0 B
- server.sendHeader("Connection", "close");
9 E2 P) d) k; m- T - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
0 C( b, ]. f/ N9 ?: Y( _ - ESP.restart();+ U) _+ f) L0 b5 y q7 r2 F+ M
- },[](){
3 L+ f9 T9 |! K$ K2 b. c; r - HTTPUpload& upload = server.upload();
7 o! |: g$ E2 F6 V( Y5 i$ e - if(upload.status == UPLOAD_FILE_START){
; f9 s( w" @/ B2 t3 } - Serial.setDebugOutput(true);. }, r6 D6 T2 V
- Serial.printf("Update: %s\n", upload.filename.c_str());
- b. I; J' v% L: D - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;+ h' G, s8 ?, g3 O! \
- if(!Update.begin(maxSketchSpace)){
- P1 x4 K* l9 J" ~" D" y - Update.printError(Serial);
+ y( l( H' F2 I- m - }# V! b% B' p$ c0 D- D
- } else if(upload.status == UPLOAD_FILE_WRITE){
( _5 n% T% c/ K* d0 c - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){* ^8 z1 T& c) p7 I& U" H* _
- Update.printError(Serial);
/ E1 Q3 @. x4 e; [: f! L - }4 K+ v/ v J3 p$ X
- } else if(upload.status == UPLOAD_FILE_END){
- l6 N& d$ V; x - if(Update.end(true)){- U; ]" c6 k7 I. s& ]
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);2 {- V0 G4 ]& P0 r# W* ]! @
- } else {
" C2 Z |$ {' A- y3 N- k5 X2 j - Update.printError(Serial);
+ v2 H: F. e: t. x - }& ^/ q' n% i" E; W/ _3 W: s
- Serial.setDebugOutput(false);( f4 r" e/ h% k$ x% w
- }. f6 {4 w9 R( D& ?0 d
- yield();& @' b1 Z' p* j/ y; f. O& I, B
- });
|' @5 o8 @* l% t& e - ( K, {& S: a- N a% e6 U+ a
- digitalWrite(2,0);- a3 s$ |2 S" o+ X1 J$ W( y' D
- mainAction();8 i A0 A) L5 i, I) v/ O
- if (digitalRead(0)){' E( Y) T7 G- A) F
- ESP.deepSleep(0);8 _3 N( K8 o; j, k2 ~! u9 ^9 O, C& a
- } else {
$ x, K7 G5 a! n7 L/ l - server.begin();
' n n" k/ N( r+ N5 r' { - }0 Y; C3 z8 T4 u
- }
- L# j& x# k8 a, O N - void loop() {* i: a5 D9 C6 @ B v
- server.handleClient();
i' W. o) W: ~. p- x5 P - delay(1); i, \ `+ E) w( X* C/ x1 m
- }. J2 k- \9 @; D# Q
- String doGet(String url){+ G9 e4 n6 m2 K2 R" @
- if ((WiFiMulti.run() == WL_CONNECTED)) {
$ k3 J' r: S6 M9 m& i; I - HTTPClient http;
' F. u5 V0 d6 \+ c. m2 t - Serial.println("[HTTP] begin...");$ k' I$ A6 m: {6 r& C
- if (url.startsWith("https")) {
- I, C5 t. b& l2 Z/ T - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");( \: Q" k" `& d+ K Y
- } else {
% K! \9 u i, }( ^ - http.begin(url);
4 m3 D/ A6 A* y7 D" G9 ` - }
) Q- |$ D- Q) h1 Q: Y3 P3 \ - Serial.println("[HTTP] GET...");
$ K2 D. k' S" j4 d# m* D - int httpCode = http.GET();
, l/ h+ W1 J: A5 t - if (httpCode > 0) {! R# q5 \% g3 q$ _: Q
- Serial.printf("[HTTP] code: %d\n", httpCode);
) Q" n' R4 D# c9 N( |) x% r - if (httpCode == HTTP_CODE_OK) {4 {) J9 j0 s+ @# m% B, @
- String payload = http.getString();* `1 _ b' B+ y' X
- Serial.println(payload);+ P7 k% T) U( l
- Serial.print("\r\n");
5 K6 m- K1 R1 X# j. ?: n( D - return payload;/ K( u! ?3 r# |
- }* a5 `3 W' J% n8 I6 e C
- } else {
7 ]2 o8 [! \1 \$ j/ n9 o - Serial.printf("[HTTP] GET... failed, error: %s\n",
% p# |7 @$ ^4 b! s - http.errorToString(httpCode).c_str()); y6 g) z! t, J% y4 `1 h) N/ h
- }
" O0 ^9 C9 R% n! ?% {+ o - http.end();
+ x' F7 v0 x& X; Q; ~ c7 j3 x - return "";
& S# t& C0 z9 k5 U6 W. p0 M - }
$ l9 \( Y! i$ J% y/ p9 Y - }
! m4 L0 a% l. g1 w0 Z/ [) M - void mainAction() {
0 U, e' m2 { E% _9 M S: b - // 发送请求& R6 Y: v% P) c8 r3 T% Z0 R& R5 s# l
- doGet("http://google.cn");) ^/ H2 R0 Z3 p2 c/ v
- }" U1 M, G# H, a" q$ k ?- K2 Y
复制代码 |
评分
-
查看全部评分
|