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发表于 2020-8-25 21:17:24
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查看: 4375 |
回复: 3
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)
6 K% {7 T( X% F0 Y0 ^- #include <ESP8266HTTPClient.h>- `7 ^, ]3 q" ?: h# x( e
- #include <ESP8266WiFi.h>& Q. k+ Q3 u6 L$ ~7 E2 l/ ]
- #include <ESP8266WiFiMulti.h>
5 `7 x" e+ k5 c6 R8 M" G$ \ - #include <ESP8266WebServer.h>
; c6 O+ Z. _% r) A& a$ d - #include <arduino.h>$ e5 e# s" W' O' y( J
- ESP8266WiFiMulti WiFiMulti;; ^$ r" ]3 W3 p U) h9 A& x
- ESP8266WebServer server(80);
N6 s7 I% _8 V" C& C - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";4 Q* ?, O) v% M% d; x# m
- ADC_MODE(ADC_VCC);" B& l" H% @2 U" D. C
- void setup() {
% C/ ]7 j- S' ^4 O - Serial.begin(115200);
3 R7 G2 b2 g8 o0 r3 N$ H - Serial.print("\r\n\n");/ k; B( _# i8 Z! k4 ]+ F& Y
- pinMode(2,OUTPUT);
b7 B6 ]! T0 N8 c9 ~) j% Q, G - // WIFI' K* N2 O; h0 V) O* D4 L
- WiFi.mode(WIFI_STA);
/ c6 p0 q7 G$ w3 J5 O - WiFi.hostname("Sparkle");/ ]: |3 T- C6 Y8 o& ?5 [5 }
- WiFiMulti.addAP("wifi ssid", "wifi password");4 V, |# P& E# F% P
- int tryNum = 15;6 F- U7 g. y* L! _7 U: x
- Serial.print("Connect WiFi");
& O2 C6 S$ L5 _! g7 o3 M - while (WiFiMulti.run() != WL_CONNECTED) {5 `1 r# J9 G% j7 }0 O0 M
- digitalWrite(2,0);1 l; a7 d, T1 D8 T4 J$ c
- delay(200);
4 ] q9 X2 t7 d# Z& D - digitalWrite(2,1);
" t( W7 Z2 i/ A - delay(300);* w3 u! |3 C5 i# E3 q# w) `
- Serial.print(".");) Y( A/ E. U2 E9 A u+ I1 n# A$ Z
- tryNum--;
( Q/ S3 f! S$ D - if (tryNum == 0) {
( m; K0 j$ \1 v) I - // 1min
& O8 O( ?6 w# o# |# m/ u - // ESP.deepSleep(60e6);4 q% Q; V! W9 P6 {: t7 T
- ESP.deepSleep(0);
) _4 }/ `) z4 c; G, l - }( S- l% _0 A% ~
- }( o0 G6 G, {7 Y, P/ L& |/ e: j+ V
- Serial.print("\r\n");
/ u) }0 Q' F5 ^" T! P+ V - digitalWrite(2,1);' v2 b+ x! C% U! `" i
- Serial.print("IP address : ");
6 F) _6 s, u9 H) T* \7 H - Serial.println(WiFi.localIP());$ H; K" ]% n3 J4 l3 Y
- server.on("/", HTTP_GET, [](){' Z" \; O# A% K: x2 I
- server.sendHeader("Connection", "close");" G* V. c4 I; U' j$ n9 Z$ P+ }5 w C
- server.send(200, "text/html", serverIndex);4 X9 Q! f3 K3 u4 E
- });1 Y( i5 j1 m% Y4 w8 t; Y$ f
- server.on("/update", HTTP_POST, [](){& Y; x( \- v1 v; S
- server.sendHeader("Connection", "close");8 x4 n$ a, P3 F
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
5 b, x' q, _4 X' D; _8 ~ - ESP.restart();1 n5 T/ g& r# X; I7 H6 N
- },[](){
. Y- c! Y' C- b" |% b( Q - HTTPUpload& upload = server.upload();
" D( r4 D/ M: j9 e - if(upload.status == UPLOAD_FILE_START){7 R; h9 i# H: O/ d2 X8 N
- Serial.setDebugOutput(true);" w. C* i+ n( d* P
- Serial.printf("Update: %s\n", upload.filename.c_str());) w; N$ ?' F$ U/ K* }' C* g1 i
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;3 \ e* T) {0 I) N+ g/ b
- if(!Update.begin(maxSketchSpace)){
8 p& I, j* U! s( p E - Update.printError(Serial);1 c* m j5 H4 l+ x
- }$ t9 O$ M7 z" A! J
- } else if(upload.status == UPLOAD_FILE_WRITE){2 S4 u/ [, A1 A& M5 P/ o* z( s
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){0 ^- g1 T3 T: M; @2 Q4 H
- Update.printError(Serial);- O9 s# V6 P' }8 Z6 p5 ^
- }: T6 s$ v6 p; s. U' A' u& z
- } else if(upload.status == UPLOAD_FILE_END){
* p% R# r% T) n2 q" E% U! Y - if(Update.end(true)){. W+ ^ d# l' U) x" P
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
& _& M1 S9 ]6 y! \, R3 Z# ?0 ]' j - } else {
& h4 P0 X9 M3 {. d( l+ Z - Update.printError(Serial);: F2 n) e0 z, {# H8 a
- }
: |7 s5 Z; s9 N0 M - Serial.setDebugOutput(false);, E9 P. f/ _' r. l
- }
2 S" Q. [: B% ~ - yield();
) M6 ?7 M( }7 t' d1 O) n - });+ I1 A- L- {1 Y. _1 o1 H
-
5 C) f9 U {6 ~/ n - digitalWrite(2,0);% H' S% U2 c- p$ Q+ J- q. I8 y: N
- mainAction();8 _" C' A4 [8 `
- if (digitalRead(0)){
. R1 ^; f k- w# y& f - ESP.deepSleep(0);
8 [4 I7 f, G3 f5 I - } else {, M1 i3 {4 B; d+ N% g0 V
- server.begin();
7 p7 a" k% b j S( D" x7 h$ A- W - }* u$ m4 h" n0 l& f9 x" P4 ^
- }
' Q/ D& Q/ } d3 i# | - void loop() {( P9 S b, }* R
- server.handleClient(); M# X( h1 Y# S4 ?4 j, b
- delay(1);
. b! m. M% v0 s( ~3 y! g - }
( `8 U# A; Q1 A - String doGet(String url){
+ d, z9 Y( K: p4 ^9 y - if ((WiFiMulti.run() == WL_CONNECTED)) {. Z1 e( Q7 `# \. |3 _
- HTTPClient http;
* r, z2 Y; K1 k$ [$ S2 S - Serial.println("[HTTP] begin...");
# L/ ^4 s5 r) J" f) _ - if (url.startsWith("https")) {' T3 ?/ Y1 p' T+ q
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38"); c( E: ^" H& `, K, S4 [1 W) ?
- } else {
w" ~2 Q. j' ^4 M+ E7 X1 L - http.begin(url);
4 R! a5 Y+ {4 L7 q - }
- d# T' c3 n3 q1 W1 e9 J: A1 M) d - Serial.println("[HTTP] GET...");
7 F7 `1 W; G V# W# n& R" t - int httpCode = http.GET();, N7 c& ?2 t% |
- if (httpCode > 0) {
" s, X% D8 b. o; ] ~$ @ - Serial.printf("[HTTP] code: %d\n", httpCode);; X9 c( b/ R, t0 Q' }1 d
- if (httpCode == HTTP_CODE_OK) {
; |3 Q5 n9 }, Y8 T - String payload = http.getString();0 ^. U# p0 ~: E" P# t. e# B
- Serial.println(payload);
3 s: N7 q! h! h% R% G; {+ T - Serial.print("\r\n");
0 v4 F% ?1 x1 j8 t - return payload;5 Z2 x9 U4 ~) O5 C
- }6 b; i8 x4 u7 y* P5 D2 Z
- } else {# E$ I, k2 E7 G* ]. [8 B8 ~/ v5 }
- Serial.printf("[HTTP] GET... failed, error: %s\n",
8 c: q1 V; s! A B& s - http.errorToString(httpCode).c_str());$ w# s2 k% m- [/ E" |' Z1 q2 z
- }
5 y1 z6 m. j/ w9 o9 n - http.end();* U7 c. T$ H4 a; i1 Z4 `' `% q+ {
- return "";
' f3 j& M8 k* E" V" n) } - }7 M2 ]" t! O8 J
- }
" m8 c; v% ^4 q" _- J0 f - void mainAction() {
3 y- W+ k5 w0 `8 g - // 发送请求2 A5 v- z6 O, A2 |5 i# P
- doGet("http://google.cn");/ t( ~# ^6 g2 Z3 p( C0 }
- }
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