|
|
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)
8 R0 E( t B% D7 L3 }9 {- x- #include <ESP8266HTTPClient.h>9 o+ b4 t) k7 H2 w( s
- #include <ESP8266WiFi.h>
- d- X# J3 u3 G5 w: `. E# E - #include <ESP8266WiFiMulti.h>
1 P8 V6 u$ A. V) ~. ?( x: W1 { - #include <ESP8266WebServer.h>
. f8 H+ N4 u- W8 G5 F5 I$ ]: }. i - #include <arduino.h>
1 f( S3 U8 M6 e# ?. C- c - ESP8266WiFiMulti WiFiMulti;9 ^, n& R6 v$ G7 I' V3 \) l: G
- ESP8266WebServer server(80);
/ I2 S- W, {* p" M& O v - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";( F0 G Q8 W9 k- X4 |; y
- ADC_MODE(ADC_VCC);$ g$ u' ?0 |2 V" t6 C- B9 H+ [; B. ~; X
- void setup() {
3 M* |# \* s1 H0 L5 V" Y - Serial.begin(115200);
' U# V1 e* R7 p5 H$ H! a# j. U8 | - Serial.print("\r\n\n");1 O9 F0 o; c8 A5 ^: S6 p9 L6 I
- pinMode(2,OUTPUT);0 t# I# C' G+ R$ I
- // WIFI
( O2 d, l# R& o% U& }# Q - WiFi.mode(WIFI_STA);4 T! ?% e t, f$ j
- WiFi.hostname("Sparkle");
4 N* W; G+ w7 V+ m! { - WiFiMulti.addAP("wifi ssid", "wifi password");& I& @, l2 B9 ~- r2 x
- int tryNum = 15;0 ^7 y0 h' B$ D% k8 ?0 m7 i# w
- Serial.print("Connect WiFi");% d4 j& A* E; A5 o6 n
- while (WiFiMulti.run() != WL_CONNECTED) {
$ h) o! Q. Q. ~, I- g( F+ ^4 p8 c - digitalWrite(2,0);
( ?, o1 j7 i" T; g' Z4 y2 Q- z - delay(200);- w( S$ E" h; ~8 `( \1 O
- digitalWrite(2,1);
( n/ C! u- z' J- B4 l' A - delay(300);
f' Y& [6 P' p4 ]0 S0 R, U3 U, Z - Serial.print(".");
( o; u( d" j4 A+ Z9 _ - tryNum--;
! W5 a6 x5 u( \2 z4 p( p& T - if (tryNum == 0) {
1 i+ Y% F8 _7 e5 U! c4 I- q - // 1min
$ |. ?& r- m) |" O# p - // ESP.deepSleep(60e6);& U/ _2 I; {& e6 P8 C( r; ?
- ESP.deepSleep(0);
4 i$ A8 Y! G% L - }
' }0 _5 R8 x, L6 _/ S& ] - }
$ ?$ }" J1 ^/ B* k& P - Serial.print("\r\n"); G. ? j/ [! R
- digitalWrite(2,1);+ @7 D2 i' `/ E# ]
- Serial.print("IP address : ");
" V4 A, K: z7 t1 m9 P1 S - Serial.println(WiFi.localIP());
Q' s" k! }- E5 ~( Q2 h - server.on("/", HTTP_GET, [](){! B2 Q( u. j" _" Z8 S2 A$ s
- server.sendHeader("Connection", "close");0 a. c5 A' d4 O% I5 r
- server.send(200, "text/html", serverIndex);; L4 D" X# C' i
- });
/ Q( L. X: u4 s% ] - server.on("/update", HTTP_POST, [](){8 }$ {: C( U, a0 `
- server.sendHeader("Connection", "close");
6 ]* ^: U$ ?- I- y6 ? - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
" J% w) ]1 B% e1 H' T* C5 g% { - ESP.restart();
$ R- U) @: n; R$ I! x+ G - },[](){, N B9 n5 Q: M
- HTTPUpload& upload = server.upload();% {# P, x5 G0 |5 s. H/ ]
- if(upload.status == UPLOAD_FILE_START){, {3 ^% n3 u5 X0 N
- Serial.setDebugOutput(true);
. h; @5 `3 T3 j2 s- o; j1 ~ - Serial.printf("Update: %s\n", upload.filename.c_str());
) _ c6 u/ k2 u) y$ z - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
# l5 h( Y4 L5 V - if(!Update.begin(maxSketchSpace)){" c" v* g/ E( W. s
- Update.printError(Serial);6 j2 u9 s G x. a. ]9 p$ _4 W
- }
: I3 E7 c) r7 T W" z) U" O - } else if(upload.status == UPLOAD_FILE_WRITE){
' ~( R. k& L1 J - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
* F% o! [' O, E& u6 G4 D0 c8 C) j - Update.printError(Serial);
- h7 a8 f8 `3 e5 G+ x - }
9 D/ m' ^' f+ M( k2 B+ D - } else if(upload.status == UPLOAD_FILE_END){$ g' i/ L9 t% W8 i7 u
- if(Update.end(true)){
9 @! I. f5 z3 }8 [1 G+ { - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize); s5 M9 F) c; y5 V. R/ ]: a
- } else {
% A i# ^9 j7 e8 Y/ Y9 ^ - Update.printError(Serial);
2 O2 c4 w! N; ` - }
2 L* J! l. [9 o/ h1 j. j - Serial.setDebugOutput(false);; W* P- u4 K$ J! W
- }" v" f8 y$ G9 s9 H/ o
- yield();
4 _" a6 C4 _# k* g/ S - });8 }' u. f1 ?/ |! @+ L$ j6 a: O
- " U4 T* D2 {/ L; W8 T$ f
- digitalWrite(2,0);
/ T, d6 U- m4 H$ U3 m# g& p l& ^+ @# C - mainAction();
) z9 e( g8 s9 H; V; { - if (digitalRead(0)){0 D9 M" i1 Z* g. A4 @! t: Z8 |
- ESP.deepSleep(0);
. }: {, m2 p8 `- V) O - } else {# f. |2 n' f# ~2 x$ z: ?4 ]
- server.begin();
6 m8 _ Q0 I; [) H E7 ? - }& w, U6 g& Y& v' x2 B
- }9 C% o+ _2 N1 V6 A+ c& l: s# V& x
- void loop() {0 d6 r, ?# ~+ i0 n3 p
- server.handleClient();
E5 ^, Y# L* O' i) X- C4 s( l - delay(1);; m* l/ C# P8 p2 W5 _
- }
d3 ^5 a1 D7 p* ` - String doGet(String url){ G4 y5 R8 y' h/ M6 F! [- v
- if ((WiFiMulti.run() == WL_CONNECTED)) {
7 @8 T0 f- n6 ]6 P - HTTPClient http;
5 ]9 @# m3 a7 E0 X3 h' q3 y2 j - Serial.println("[HTTP] begin...");
r2 X; M* s2 V; l3 f! Q( I6 k - if (url.startsWith("https")) {- _9 {* \, Y6 @( A
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
+ l7 R `7 |3 s - } else {
# B/ A8 H) }- V0 i - http.begin(url);$ Q6 v' ~2 Y1 U, ]
- }4 }3 n3 s) @$ W% k
- Serial.println("[HTTP] GET...");+ t* ^- Q Y6 ^3 k- ]2 M
- int httpCode = http.GET(); X) Z n% H! G& J
- if (httpCode > 0) {
1 S2 A; D* q C! x' ^" E1 L* u - Serial.printf("[HTTP] code: %d\n", httpCode);
8 K2 ?& d1 J) g - if (httpCode == HTTP_CODE_OK) {0 J: _( ^8 c1 U0 V
- String payload = http.getString();. L- _4 u; W8 _
- Serial.println(payload);
( U( G8 p. y1 e2 G - Serial.print("\r\n");
; k: N* a& A, P' ?+ o1 l. ~ - return payload;
, E) S. V' Y" d! K" ?* ]- p - }' E/ H" m' w- y
- } else {
* ~- o- Q& ^. B! q+ X( O/ ] - Serial.printf("[HTTP] GET... failed, error: %s\n",) V4 k( w) i, |; V
- http.errorToString(httpCode).c_str());
; j. c! ^$ L- ]0 F - }
# c n3 p+ \- P# u4 K$ o- e: E# l - http.end();
. o& E+ B& k! u1 m - return "";
% q" L$ l( J3 c$ w! t - }
v: S- ?, y. L - }' L) d* f+ w" b2 J6 J2 U: v
- void mainAction() {
' @* J, P6 v3 ` - // 发送请求
* m6 r! D, ~& f0 F7 z% R6 L( e - doGet("http://google.cn");) F3 o) K! j' \1 L0 K4 ~5 M) l
- }' H) `% p, s/ b; C% f
复制代码 |
评分
-
查看全部评分
|