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发表于 2020-8-25 21:17:24
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查看: 4365 |
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)
" K8 E2 T5 h6 B% S3 ]- #include <ESP8266HTTPClient.h>" T1 i& h* G# h, ~' d
- #include <ESP8266WiFi.h>
' Y3 u9 g' d" Q5 g) _6 t. \* Q - #include <ESP8266WiFiMulti.h>$ z) v" h7 F4 z% G6 j
- #include <ESP8266WebServer.h>7 A n: R) u' u+ i2 X3 s+ ]
- #include <arduino.h>
3 y% I- o; S i1 s% } - ESP8266WiFiMulti WiFiMulti;7 ]- y# K( Z+ a: ?: |. x
- ESP8266WebServer server(80);
- c) q: Q$ M4 s* C' i. s; s1 q3 F - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
" V( Z' ^: S5 M5 d - ADC_MODE(ADC_VCC);6 c3 O6 F7 f+ ]/ C! J; {
- void setup() {
$ k$ t7 W/ ]7 \+ _, ^/ M - Serial.begin(115200);
! p' r. |3 G* i6 T0 Y - Serial.print("\r\n\n");4 _3 r8 Y; ^$ s$ f, _; ?& b# _! m, v
- pinMode(2,OUTPUT);6 c# E- f- M8 z/ C% L9 i6 e# m
- // WIFI
% O1 Z( }9 q, {; M2 E: C - WiFi.mode(WIFI_STA);1 Y& U9 e: Q0 v! _: O3 A5 Z
- WiFi.hostname("Sparkle");* i- O/ ]! h2 J* x9 N [# O" d
- WiFiMulti.addAP("wifi ssid", "wifi password");
3 N$ W/ \$ [2 r/ o0 L/ M7 q; _ - int tryNum = 15;& Z+ _( h! ]. L: P- W! s4 Q/ a
- Serial.print("Connect WiFi");
# b/ ]# N7 ?( j4 n1 k3 b - while (WiFiMulti.run() != WL_CONNECTED) {
/ F9 W. X+ x9 y- a9 L& c4 T - digitalWrite(2,0); |5 m3 Q6 E8 C1 T9 p
- delay(200);
& ?: }9 ~" f d Z7 N6 c+ J - digitalWrite(2,1);9 c- N2 \5 i7 v; [" m
- delay(300);
5 y( W9 u: D9 h) f& A - Serial.print(".");) k6 ~( s6 L$ U& `
- tryNum--;; b/ l( R0 X$ c: p+ ~
- if (tryNum == 0) {/ e1 @8 L" p+ v
- // 1min
" j+ P0 N9 j& G8 \1 W) i6 q# ~ - // ESP.deepSleep(60e6);/ j1 Z# R! m( D2 n8 d7 r( u8 s
- ESP.deepSleep(0);
, F- S$ G! P/ L+ Y; z9 o - }* A: A) y: }- }( d3 K8 G
- }
, G3 L; P/ w2 o& q+ ~- Y - Serial.print("\r\n");- S' M; f; j. b5 @$ i# Y- r& ?% J
- digitalWrite(2,1);4 p# Z1 C* ?+ I# ~
- Serial.print("IP address : ");, j6 c/ ^2 c: D+ e6 d
- Serial.println(WiFi.localIP());& \8 [3 w) c3 R
- server.on("/", HTTP_GET, [](){
: J% s! x- @) d) R& b - server.sendHeader("Connection", "close");
1 d$ ^) g" R9 v: j6 _9 Y$ o1 y# C8 p - server.send(200, "text/html", serverIndex);
8 N/ o+ Y4 k5 Y) i$ | - });
( a# W( K* Q6 f- ~( t - server.on("/update", HTTP_POST, [](){( I. f3 S0 F! x( r
- server.sendHeader("Connection", "close");. ^+ T9 J6 Z% h* U
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");- a q( B) {0 s- @; t* S9 d) G+ E
- ESP.restart();+ I" A8 i7 q. W; u
- },[](){9 s4 S( W0 K4 D+ F1 J& @
- HTTPUpload& upload = server.upload();
- J' l2 _) x. x ?- v- G: ^# n - if(upload.status == UPLOAD_FILE_START){
2 q% x- W& s0 P# I1 T# c9 f3 _: K - Serial.setDebugOutput(true);& [7 p; H& T/ Z) W$ n, u# {6 Z4 H
- Serial.printf("Update: %s\n", upload.filename.c_str());
$ P* ]9 g3 H7 T* o0 S$ F o - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
! P2 W/ W" I# F3 B9 k" i7 H - if(!Update.begin(maxSketchSpace)){
+ ? N! u' \: x6 I. g8 f* ` - Update.printError(Serial);
+ F/ Q) I) R( p* p - }
- w6 i9 r2 q3 r2 W; Y - } else if(upload.status == UPLOAD_FILE_WRITE){
2 U9 `) d+ f' y! k0 T# _- i4 l - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){: `. Y) J! q( p
- Update.printError(Serial);9 C* f( ?+ K, m/ w. |& k( j
- }
' S* k- w- K1 q, V! V! B5 q* Y# x0 ~ - } else if(upload.status == UPLOAD_FILE_END){2 K _( I$ L* w) ^4 @& \
- if(Update.end(true)){
8 @6 U3 [4 q# C3 r1 l3 P - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);& I" z% o7 A2 k0 g
- } else {$ O8 [- r# W2 [ ~; H+ z3 N/ m
- Update.printError(Serial);' n6 _# B$ _- A5 b4 p' p, F% l
- } f+ _0 m' c8 p- v" ^
- Serial.setDebugOutput(false);
% [. H) |1 H; H8 k" I - }$ K. Q# W+ K% k" I+ r1 E5 S* c
- yield();. N/ b9 D, m/ C% [8 }$ G
- });
' M/ M/ o }+ e. [& Y/ H( J: X - ( s9 f5 f) A. t; W: f. m
- digitalWrite(2,0);
% N0 Y a/ o, v; z6 }; c6 b; A+ [1 Q - mainAction();
$ z6 n$ a. F# f - if (digitalRead(0)){
6 s1 @7 b4 S! F- k6 A - ESP.deepSleep(0);& p2 D$ b: v$ t2 q( G
- } else {1 t2 ~9 Y5 d# k$ b0 U- Z5 b
- server.begin();. S/ {0 q* m+ r6 K% J- N
- }
4 u1 m! r% b; Q( N6 D. }* N2 D+ [ - }
7 M1 N: P* p: B' k - void loop() {
) h8 M0 [" w$ V: P5 Q' A% P8 V - server.handleClient();
v5 T% U& a* Q$ v+ {: b" c& c - delay(1);
' K1 ?5 B: U" n% C2 D2 ^! W; X - }
R# g1 D+ O1 f1 |% v - String doGet(String url){
0 G- k& H3 P/ u - if ((WiFiMulti.run() == WL_CONNECTED)) {
, U s2 S8 [ u- W' e2 O - HTTPClient http;
0 Y, W; o+ C6 z! j - Serial.println("[HTTP] begin...");4 h, } ?: f! Q) ]7 I9 T1 {& z
- if (url.startsWith("https")) {
& r- v' x. |( J3 q/ J - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");4 b& n: z: Y/ f8 G/ j
- } else {
* l7 `: e' ` O2 p2 u* t. Q - http.begin(url);( q3 U" r R5 D" H4 l! J
- }1 `7 Z3 z- v Z! t; z
- Serial.println("[HTTP] GET...");
\4 ~1 z% K' g& n - int httpCode = http.GET();
% T2 w" C" ~; j; T- ` - if (httpCode > 0) {
0 G& v* i* U6 ~* I - Serial.printf("[HTTP] code: %d\n", httpCode);
+ c5 O6 u1 H! E" c3 W - if (httpCode == HTTP_CODE_OK) {: b% J1 J! W l6 ]7 m
- String payload = http.getString();$ i9 u" m6 j T
- Serial.println(payload);* j+ `0 c H* p2 ~
- Serial.print("\r\n");
/ F3 D2 Z* g S- S4 @& } - return payload;2 J( t/ @; F0 _2 H) F7 D2 ?- b, R
- }
; W5 n: h- O6 K) k9 V) w1 ]7 \7 z - } else {0 i, A2 J3 g: `6 ~/ o
- Serial.printf("[HTTP] GET... failed, error: %s\n",
9 U( Z- ]7 ]- r' U& j1 o! r - http.errorToString(httpCode).c_str());
: X& N# y" Y& v2 a - }+ \: X w8 N4 G, e6 H' v
- http.end();1 y1 |- R4 R7 V1 U: F A
- return "";
. X# g& C# B1 E0 W1 H( q - }3 x2 N( q! O6 p: T+ h! C
- }8 q' f. W, m n( e- B& R
- void mainAction() {
' c9 }3 a$ T m - // 发送请求
+ ^- _( [& d5 b+ G: K - doGet("http://google.cn");
& a) t6 C/ R* h' @- K - }3 e# j; j$ W) L; f
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