|
|
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)% A+ Z9 m# e$ c2 W
- #include <ESP8266HTTPClient.h>9 c" x8 |/ T6 H
- #include <ESP8266WiFi.h>
. m! _6 }5 Q$ \% b O - #include <ESP8266WiFiMulti.h>! t% E. Q9 w; r; _- i! Q
- #include <ESP8266WebServer.h>6 J5 ?' X2 ^0 p+ V
- #include <arduino.h>
, t. h& I; T8 h5 P1 G - ESP8266WiFiMulti WiFiMulti;
& B! [! b' g) x- h - ESP8266WebServer server(80);0 S8 J" Q( p' F
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";) h" y5 V# G! X+ I" w! [# \
- ADC_MODE(ADC_VCC);" _' o5 Q4 v, L) o1 z- c/ J3 Y& j
- void setup() {$ }- m8 P! N, |' l2 O; I4 Y, |
- Serial.begin(115200);
' ~. |3 L/ V! T$ B8 b) J - Serial.print("\r\n\n");* i* r$ y% c' K, g# z
- pinMode(2,OUTPUT);
. ?7 D+ E4 l( f$ Y( S - // WIFI) z q1 V! R+ q3 p
- WiFi.mode(WIFI_STA);# M" a$ V, j9 Z5 H: |# h- h
- WiFi.hostname("Sparkle");
# x4 W4 m+ R7 A3 H) p - WiFiMulti.addAP("wifi ssid", "wifi password");# j# r9 U& p4 T2 C& h0 j; x
- int tryNum = 15;
' r7 R) n- e. z+ Y4 A - Serial.print("Connect WiFi");
4 }& I8 p$ I0 [; W0 H+ n - while (WiFiMulti.run() != WL_CONNECTED) {
8 \2 H. M) f" G {9 X - digitalWrite(2,0);5 R2 x" [1 N: v' K" q$ j
- delay(200);
1 q+ a, f/ \; h% V8 i9 h - digitalWrite(2,1);8 Q% Y4 J5 T9 e, ~5 }4 ]
- delay(300);
6 v5 i1 t* ~; X9 B# Y - Serial.print(".");9 b9 H! X2 c: i4 w
- tryNum--;/ t! D: S& \; R& x: l
- if (tryNum == 0) {
; {$ m5 i# o4 X6 ?' E; q - // 1min, \3 ]- P3 p% A& i& ?
- // ESP.deepSleep(60e6);# ?6 o+ q9 z; v* c* ]8 Q8 N
- ESP.deepSleep(0);: U" d+ q4 {$ t9 Q+ d2 D0 F6 E
- }
! p# F% o& w: t+ r9 ~/ v - }1 x+ p% h, s6 Q, M" A+ ~
- Serial.print("\r\n");3 B2 } a6 h2 I, K+ s1 n, G' g' J
- digitalWrite(2,1);) f9 D$ l1 U- A! t
- Serial.print("IP address : ");
2 L1 {4 s5 n( y( _) X9 Q+ _3 r - Serial.println(WiFi.localIP());! m c2 l. s o( w% z) a4 b
- server.on("/", HTTP_GET, [](){/ k5 r8 `; N1 A7 ]( } a
- server.sendHeader("Connection", "close");
* V- |" S4 J; r' x) [7 D0 q - server.send(200, "text/html", serverIndex);/ d' \$ l% p0 e- ^5 v3 r' V' {" y
- });
, Q, ?, y3 x% }' Z0 P. ~ - server.on("/update", HTTP_POST, [](){
, N5 `9 X. q9 w7 T8 V - server.sendHeader("Connection", "close");
T l* D* P1 |% S8 e" l - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");2 B9 k c( M; r. _' k+ d/ ?
- ESP.restart();: w- v3 }5 r9 ?. k; n5 K7 b
- },[](){ R3 d6 T9 X! e7 b
- HTTPUpload& upload = server.upload();
5 D6 }% n2 M* W1 Z - if(upload.status == UPLOAD_FILE_START){
9 w) F3 I5 a: q - Serial.setDebugOutput(true);" R" Q2 N, _3 C9 T+ `: t
- Serial.printf("Update: %s\n", upload.filename.c_str());. @9 M6 C' |8 A/ G8 j$ | {3 _* ]
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
* j) Z% U' X, R; ~; v. U" j3 Q) p - if(!Update.begin(maxSketchSpace)){% Y( X) y! ?1 k# `
- Update.printError(Serial);
) d& |3 G, ~% N' P) D1 E; W - }) Q3 B* E5 o& _9 e5 t8 W
- } else if(upload.status == UPLOAD_FILE_WRITE){" a5 K% q, W1 N2 `/ c1 K
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){$ Z; |: B9 W# s: z# ~/ |' u2 S
- Update.printError(Serial);
- n' o1 t+ A( y! Y/ O) V3 y! W; u - }7 r+ e7 Q% S+ i& l
- } else if(upload.status == UPLOAD_FILE_END){% w( c2 O, i" q8 e, W2 p. |" R
- if(Update.end(true)){$ Q/ d c$ L1 p! x3 r% s* O
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
4 M7 i- T+ h( c& ]6 L( R& h - } else {
3 b: a D# e9 E Z2 \* Z5 ` - Update.printError(Serial);2 S6 a& C" b# i. E5 f; o) V2 [
- }! v* T; L4 M: O6 T T- u* k
- Serial.setDebugOutput(false);
6 g2 H3 ~6 t3 _: v9 N* } - }
! r, M2 y4 C/ }/ s; C* U - yield();- k. v. z, K6 G! D+ G
- });
) S! X" \% J6 m5 t4 Y* _5 b/ g -
7 i3 `' M4 X0 S/ K& G' Q0 u - digitalWrite(2,0);
7 ?2 v8 {- z, k, W - mainAction();
, y" J/ c7 w2 ~0 k! K& a6 U - if (digitalRead(0)){
9 ^3 l: K+ u: d0 b* d - ESP.deepSleep(0);/ r# y/ b+ K* ?, Y/ H
- } else {
4 f4 d% u4 I! u+ y8 d- q' Z" r7 E - server.begin();
8 l" _1 R7 L! u - }
" a- q% p" i& V2 T - }
, r6 q3 d1 T: T _% g. \+ f - void loop() {' l+ ^8 X; |! c
- server.handleClient();
- M) x) }7 G, K6 U: V# q - delay(1);9 f0 W$ T; ?% o- I! U u
- }
2 w, @' i0 H# t, k u - String doGet(String url){) T% S8 o5 _6 U$ a
- if ((WiFiMulti.run() == WL_CONNECTED)) {
( b( v P) l4 M; t3 v - HTTPClient http;' o. H# r: ^( W `) F8 g2 A
- Serial.println("[HTTP] begin...");
7 @! H) S0 C% e) ^ - if (url.startsWith("https")) {# y6 C8 j' q) w4 a4 O
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");9 L$ z6 j5 x( s$ d1 x7 R
- } else {$ \0 b4 u: z! E* R
- http.begin(url);
, e3 C8 h& W0 L, P, h3 C: q - }
0 w% d+ k! V; n6 w# y: j - Serial.println("[HTTP] GET...");
" D/ y/ E+ i+ {1 Y% A - int httpCode = http.GET();
/ c" Z P0 U8 G; ~3 d9 _# U - if (httpCode > 0) {
2 p* ?# o% ~$ M% I) X+ h5 D - Serial.printf("[HTTP] code: %d\n", httpCode);8 l- I1 i# w; L; O; O9 T
- if (httpCode == HTTP_CODE_OK) {/ t( g5 p: B( t- n
- String payload = http.getString();( a1 F" H. A" Z
- Serial.println(payload);. n$ y2 r e; _
- Serial.print("\r\n");
$ n1 z! ~: E W V - return payload;
- O. g0 P( i7 S0 @2 Q - }
: }! H' c0 x( L1 J: E+ ~% I3 Q' A - } else {/ _9 @' V9 }7 d
- Serial.printf("[HTTP] GET... failed, error: %s\n",
. e& Z1 `4 O( M, w4 W0 }* m - http.errorToString(httpCode).c_str());0 l5 s& S8 J8 {$ x
- }
{3 n+ Q. i9 s6 O4 l) m, I - http.end();
2 b2 s; h/ e" p' |3 X! S; ^5 ? - return "";9 `9 W' r' E( x
- }! [4 C0 B9 D1 a" ]( y2 C3 [6 j
- }
+ d/ ~6 p) g6 b& z/ g - void mainAction() {
5 ?# C' r( W6 i# P% Y, d - // 发送请求
5 S- F X* w4 l, } - doGet("http://google.cn");
$ X' K/ s) s% W6 N \ - }5 @6 @% O, y5 z) P
复制代码 |
评分
-
查看全部评分
|