|
|
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)* O6 O7 Q" [) z* x( ~3 Q
- #include <ESP8266HTTPClient.h>
; L ^0 B4 s e6 z& X - #include <ESP8266WiFi.h>4 J7 x' s8 p0 E+ c6 C! i
- #include <ESP8266WiFiMulti.h>
/ }- A) U4 s, |$ q3 S4 @; l - #include <ESP8266WebServer.h>' g* Y: A* ?9 v: I
- #include <arduino.h>
+ h! H- N. ^& ^ e( s7 s6 L - ESP8266WiFiMulti WiFiMulti;( n1 [, i8 K8 J* l" i/ r) j# m
- ESP8266WebServer server(80);
; z+ j4 \" N, ? - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
1 C) o9 D0 O9 D( _$ |# j1 `0 a - ADC_MODE(ADC_VCC);
5 c% f; H, M: y9 w& U& x: ] - void setup() {9 v# {" S' p% e& t1 U, w4 K
- Serial.begin(115200);0 ?- W2 x) @2 L
- Serial.print("\r\n\n");6 i) c* [0 J8 O. W# b
- pinMode(2,OUTPUT);# g# n" I6 t+ `6 K+ s! |; Y( ]
- // WIFI7 f% \/ `+ U6 N' ]/ a1 k
- WiFi.mode(WIFI_STA);
- _; L* [/ a2 m! M - WiFi.hostname("Sparkle");
0 s# U- }6 m4 V% U( y3 w6 A- J. \ - WiFiMulti.addAP("wifi ssid", "wifi password");
1 V: g7 u: p- @1 M - int tryNum = 15;
% i0 b$ S; D0 L- F! I* ^' ]& q W8 g - Serial.print("Connect WiFi");
3 ]! k# L9 A3 g0 c" `& n0 S - while (WiFiMulti.run() != WL_CONNECTED) {
" N- f- s: |) l% g4 }+ \9 u - digitalWrite(2,0);
; |+ x+ E# o$ o) A- r7 } - delay(200);2 t$ A) E& D. V# x
- digitalWrite(2,1);
( \ ^- u: v5 B' q' v( o - delay(300);
4 ~+ d( A1 X7 p3 a( o6 u$ s) R$ P - Serial.print(".");' }3 a/ \2 p" i: N( s
- tryNum--;
& X0 P8 ?! V" v) x' F' f - if (tryNum == 0) {
! v! E' m8 g" Y% @" P& O - // 1min
" p$ J5 n3 \! M+ E9 D! y. q - // ESP.deepSleep(60e6);5 n* O" J9 m! c0 v3 V" [
- ESP.deepSleep(0);
6 h1 o( J& Z2 M( u - }
( l, Y; G b; ]4 N1 b- S$ w - }
. H3 F; C. h8 {2 ~, t2 |2 ~ - Serial.print("\r\n");
0 @. r# b0 R! |& | - digitalWrite(2,1);
8 t: [! g4 Z: v( ^2 d1 w - Serial.print("IP address : ");
# q* ?: j1 `- R7 |) C: V9 o# q( B- O - Serial.println(WiFi.localIP());
/ g" I2 @ b" B) e& \$ ?( E# }5 k - server.on("/", HTTP_GET, [](){
' C {& `' E( D: h+ B2 f$ b! z - server.sendHeader("Connection", "close");
- y4 D0 X% ^* l" f* P - server.send(200, "text/html", serverIndex);3 o8 V( u' _* n. v' D: Y" A3 E
- });
% f- e% X! j% m4 S5 f" F# c1 n2 I, z - server.on("/update", HTTP_POST, [](){
1 r9 Y: z" L+ j1 X. ^ - server.sendHeader("Connection", "close");
) Y5 B2 h+ s% \" p% P" f - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
% o% I: L, M7 A1 ? - ESP.restart();7 s* m2 Z/ x" c0 r4 d' k
- },[](){
, Z3 e, j- M5 v) w! N5 T6 o; ~ - HTTPUpload& upload = server.upload();
& D, A* O8 f* i! L7 n - if(upload.status == UPLOAD_FILE_START){
1 M9 J- l9 a! W7 E- W9 ` - Serial.setDebugOutput(true);4 R" h p9 B/ v
- Serial.printf("Update: %s\n", upload.filename.c_str());
0 c* E, e+ S' I1 P1 y; w4 [" ` - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
5 B2 _3 u0 S! d1 R( D1 k3 W! S( V! g - if(!Update.begin(maxSketchSpace)){+ Q( ]& r8 t4 E1 y: e( F- x
- Update.printError(Serial);/ f) U& ^% s4 @( ^7 T
- }
9 u, M: G+ G3 |4 h' m- N - } else if(upload.status == UPLOAD_FILE_WRITE){# \& [8 G, L A; E- Z2 s. u2 d
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){ z6 U+ d1 M/ ^
- Update.printError(Serial);7 y! o$ r% K l i# }
- }9 U2 [/ d* S# {; J+ k Q7 t
- } else if(upload.status == UPLOAD_FILE_END){
! O$ p$ @$ B' U+ P( \/ ` - if(Update.end(true)){) C* u+ \7 v/ C2 X+ L
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
" Q7 t, m3 E7 y/ C+ N e - } else {
* y) f0 f" ?6 o, W4 r( V - Update.printError(Serial);& v1 L. t! E) A( z. `' L! t
- }
) r: Q3 { C2 ]( v9 v: V6 ] - Serial.setDebugOutput(false);! O& r% P& v% e! c$ `4 N
- }$ S8 M& r a5 ^+ h
- yield();9 N- w* Z0 I4 \2 D; ~0 F/ y
- });
3 U8 A6 S, ^1 H2 S# w1 y# i - + o& x% D% ~$ S* s g
- digitalWrite(2,0);- |# @- v# A( Z/ C" g3 y
- mainAction();3 t4 B6 z" S; n, a7 S
- if (digitalRead(0)){; I; a# i3 g3 F2 x' J. k0 V# z
- ESP.deepSleep(0);
$ a7 Q% J4 R3 e6 @) K - } else {
3 R0 z0 v- X" h) I! { - server.begin();, Z% I# z* l _) |1 W
- }
% i# p2 v' G+ p* } - }' [1 f+ M0 G9 W6 \& f+ v F! |+ x
- void loop() {
) P3 ~( H7 x% ^8 _+ F - server.handleClient();
' C' I2 N. h4 w - delay(1);7 h4 @: }, `& `: L6 L' G0 o) ]( n
- }
4 T% u9 m& q/ B7 k6 ^/ i& f - String doGet(String url){
7 H" D* Y$ M2 ~' \" ? - if ((WiFiMulti.run() == WL_CONNECTED)) {5 b6 j m/ R6 C$ N/ @0 E5 x
- HTTPClient http;
) a6 D( ~7 R! W" n" t6 u! G6 P - Serial.println("[HTTP] begin...");
4 l3 ?5 x0 L" I. y1 |7 n - if (url.startsWith("https")) {
& a2 @5 c9 U. U! B& }$ C& N - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");* w* r/ y, J9 v# Z7 o( J
- } else {
; O& y# _! P' \& {3 d - http.begin(url);, O8 O- H+ I8 W
- }
% D$ K4 |3 b8 B2 ~ - Serial.println("[HTTP] GET...");
/ ^; x# U, k6 |, X( n! u - int httpCode = http.GET();
8 [, j& W) W" u% @% ~' j0 h - if (httpCode > 0) {
9 b0 l" r: b: y E0 c% ]/ } - Serial.printf("[HTTP] code: %d\n", httpCode);) Z3 s# o! ]- l/ F
- if (httpCode == HTTP_CODE_OK) {
6 Z. ]1 {* s% f/ _7 k+ c - String payload = http.getString();
; t& h0 U: M3 o - Serial.println(payload);/ X8 A2 o! c/ G: ^
- Serial.print("\r\n");/ R' h2 a6 f5 e# S
- return payload;1 m; t% ^6 F2 V$ A- e% ~/ l* J
- }5 D* H0 e" H( L5 A5 \. O* B
- } else {
/ t+ X6 l$ v. \ - Serial.printf("[HTTP] GET... failed, error: %s\n",
5 t* V: u; s$ r; q2 c/ v/ y - http.errorToString(httpCode).c_str());
$ t0 B) \8 C: w - }
( ^: O- `4 i& G, ^$ N3 Z7 g - http.end();; {& m7 ]2 p: V- l) W
- return "";
4 c: Z2 u( |; S; g - }, V2 K% F: X% J: g
- }6 j( h, y# B% Z. \
- void mainAction() {
& D6 L( N0 |( h$ Z" S& s( I$ e) | - // 发送请求
; z( t# m. g# V& h4 I - doGet("http://google.cn");* k; ~; z7 N1 q# V$ z# f9 ]
- }4 p1 P& ^& D2 W* K) d
复制代码 |
评分
-
查看全部评分
|