|
|
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)% x& p$ e6 H( y i; x
- #include <ESP8266HTTPClient.h>
8 v* @* b w+ [. N9 R - #include <ESP8266WiFi.h>( d! Z" D$ [1 f& `3 f k& v" Q
- #include <ESP8266WiFiMulti.h>- x# g3 Y0 u! Q; d2 j6 m
- #include <ESP8266WebServer.h> }) Y6 j: {! d% e4 V9 y2 S+ w* z
- #include <arduino.h>
$ }8 p7 z: ^9 Z' X$ t - ESP8266WiFiMulti WiFiMulti;
L9 K; D; Z( c, y# Z% p6 |, B - ESP8266WebServer server(80);
3 k( W3 v" a. n - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
8 p) a% d/ K- e5 Y - ADC_MODE(ADC_VCC);
" S" x, _5 C' Z5 A& {# Q. \. q0 l" W9 e - void setup() {' j6 o$ m0 U. w! j" L9 b
- Serial.begin(115200);
# I6 n: F: }2 y - Serial.print("\r\n\n");9 e6 B( `; _5 W7 J* j
- pinMode(2,OUTPUT);
+ g" N1 T X6 i0 [( U, d. | - // WIFI+ E# P! L2 }/ `$ q1 }1 s
- WiFi.mode(WIFI_STA);3 m- ^- j5 r( X( k9 v$ D$ z
- WiFi.hostname("Sparkle");6 O4 l2 X$ X0 n8 Z. I5 ~- z/ |2 Z
- WiFiMulti.addAP("wifi ssid", "wifi password");
% w) T, ~6 f8 X0 T1 W - int tryNum = 15;, D% s0 U, r. {+ V( D
- Serial.print("Connect WiFi");" b# z$ z* g7 b/ J( Y
- while (WiFiMulti.run() != WL_CONNECTED) {
5 O8 i: z# W, F! x0 Q - digitalWrite(2,0);
3 f3 r! D3 @- j( F! j - delay(200);# V7 Z5 m( O* b0 W K
- digitalWrite(2,1);; [3 Y6 Z* C- n' A: x; x3 z6 [2 y8 @
- delay(300); M9 f9 f* O' Z3 x8 v- W: T# a4 W
- Serial.print(".");/ j1 k, p7 b% n: B- R
- tryNum--;' R" h) y, q; J9 w8 i* o
- if (tryNum == 0) {
2 k; X$ _! i2 T, Y% ]- _ - // 1min7 [8 n! p7 K o/ m9 i4 c
- // ESP.deepSleep(60e6);* b( S1 q1 Q7 h W) n( G0 k
- ESP.deepSleep(0); m' r; V0 V$ m
- }0 n" J9 I# L9 t
- }
5 T% G9 z/ g" w$ l - Serial.print("\r\n");' M5 N, Y' G7 J) m
- digitalWrite(2,1);# _: C8 o* Q$ m# ?+ s
- Serial.print("IP address : ");
9 m' @, `$ O1 z - Serial.println(WiFi.localIP());
5 X% ~ c" y# B% a' d } - server.on("/", HTTP_GET, [](){2 x" M* u0 T9 O1 V# |' z
- server.sendHeader("Connection", "close");
, r) M2 E, A g) o b - server.send(200, "text/html", serverIndex);" R* [& w0 F- W, R
- });- u1 g$ a5 D; h! L& W' L
- server.on("/update", HTTP_POST, [](){, J' M/ }& F8 x
- server.sendHeader("Connection", "close");
) n, E& i9 S7 [1 b9 ]4 W3 d; v; A - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
3 z8 m6 u. ?. L - ESP.restart();3 ?1 t5 z3 e+ p1 c/ X; u3 D
- },[](){! a2 R* O0 q/ G, q
- HTTPUpload& upload = server.upload();8 Y+ @+ h3 `) a5 ^1 T
- if(upload.status == UPLOAD_FILE_START){
4 J. X; @ l, h3 ~. d; e - Serial.setDebugOutput(true);; j" D# ?5 U7 y; U" [
- Serial.printf("Update: %s\n", upload.filename.c_str()); f# N( ^- o. d
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;1 q6 p( k/ S6 c5 {) B
- if(!Update.begin(maxSketchSpace)){ o% H y- I/ l
- Update.printError(Serial);2 H. b, ~& N3 C9 T; i4 Z |3 z
- }
5 t2 _1 P& n+ T7 q9 s9 b) @. b$ z - } else if(upload.status == UPLOAD_FILE_WRITE){
1 Q2 V: ^+ i+ o+ U% @6 ^) f) S1 S - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){! Q' g5 W6 a9 ~' V9 ]; B a$ a0 v! L
- Update.printError(Serial);
1 M; A" W+ ?# r, V; L - }
; U e9 ~6 ~5 W, t - } else if(upload.status == UPLOAD_FILE_END){. X: j; d1 b- s( z E
- if(Update.end(true)){+ f( u# L1 O1 E) }4 o) s+ ~
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
( H1 s5 r, { D7 w Q - } else {4 K O0 e, {" {6 ^0 ?
- Update.printError(Serial);
8 C( z( l% W: V" R+ \* i& i7 P - }/ O$ `5 m2 J9 X$ Q- J9 u- o8 Q
- Serial.setDebugOutput(false);& W* d) w5 A {0 a; k9 S
- }
; C+ w0 L/ u. C; v - yield();
/ w* h& m5 s1 f' ?( H. K - });4 a5 G- J( c7 w; q2 Y
- ' J. n! ?, ~* R* z. y# m
- digitalWrite(2,0);
" P: t* ?) L f. K$ V - mainAction();' j, [. ]) N( _ b" m
- if (digitalRead(0)){0 u: b5 v( n. c0 y- F
- ESP.deepSleep(0);
6 P( ~2 L! K3 l D - } else {1 g& x4 O9 T6 z/ x
- server.begin();
0 U% s. E: }1 k/ t. _ - }; S6 @: ^ `: V( e" j0 b
- } q5 @. C0 f ~
- void loop() {! U# ^0 E5 a- |- ?/ W
- server.handleClient();/ Q# C4 y" C* @4 z
- delay(1);6 Y! ^( \1 F. c
- }
' o( Z& K( o6 Y5 m$ r - String doGet(String url){
$ i8 U' y: y7 U. ^6 r - if ((WiFiMulti.run() == WL_CONNECTED)) {
- s8 d0 ^0 i# R7 V! w* x' X( Q - HTTPClient http;
- @5 W: L; Y5 D# ^4 ]$ U# }6 C7 \7 j - Serial.println("[HTTP] begin...");
# N( ?8 q) M J, q - if (url.startsWith("https")) {
7 s. l' y. p9 Q) w3 A. \0 B5 P - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
: e8 W- J4 |9 C8 A - } else {* ~3 }- \' K& b" F
- http.begin(url);9 T. \5 C) o/ R6 ?. H
- }# `, J" ^ j1 f& n( x
- Serial.println("[HTTP] GET...");
8 a( ~$ ]/ b3 S$ E+ x& l$ ]9 D - int httpCode = http.GET();. Y) U. y, @3 S& s" Y$ K- a
- if (httpCode > 0) {
: k0 b: a- ^$ N! r7 o& r4 @ - Serial.printf("[HTTP] code: %d\n", httpCode);" J+ y0 F: W+ T1 ?4 D% s) s8 m" G
- if (httpCode == HTTP_CODE_OK) {5 `9 O2 ?% ~2 l3 ~& C8 ]* u% E
- String payload = http.getString(); F; U9 i0 o1 ~3 k( S+ ?
- Serial.println(payload);
2 R6 C3 X3 t, a! X5 h& K - Serial.print("\r\n");% c8 e$ S4 L( B5 i; T$ D
- return payload;
9 W- L1 H$ p- c. T& q V1 v4 m - }9 y! S) N/ [: @' A" i
- } else {( D- q, N% x$ `+ j$ W7 M
- Serial.printf("[HTTP] GET... failed, error: %s\n",' x( j/ s- y% W: d; m2 t0 x% V/ v
- http.errorToString(httpCode).c_str());
/ \) Y) E, }8 H, z" P - }
7 k0 V2 c4 E- F9 i$ f9 B0 b - http.end();3 o, ^. F: o% O7 z/ ` A7 x2 g
- return "";- k8 K6 y9 Z" {3 I0 p! l5 K5 b
- }+ t+ v& V: h" K# R C! d
- }8 C" S" g1 I, a. e# E% Q( [5 p
- void mainAction() {
# @ ~" ^: r/ g9 t - // 发送请求
. H% |$ a2 N" F) W - doGet("http://google.cn");
- l# v$ N5 {1 ~ - }$ w' M; H6 j1 N7 ?
复制代码 |
评分
-
查看全部评分
|