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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)- M4 \' A* c8 e" z' r- d
- #include <ESP8266HTTPClient.h>0 q1 s2 [, Z* {4 R2 M
- #include <ESP8266WiFi.h>7 m0 a, x. p% E' {1 w9 m
- #include <ESP8266WiFiMulti.h>: l& X1 m& d1 q- f% O# z
- #include <ESP8266WebServer.h>7 _8 S: M$ D1 ^+ e* O7 O$ D0 T4 t3 ^
- #include <arduino.h>
( X0 `! {2 @! F6 T+ y8 w u. }9 Y - ESP8266WiFiMulti WiFiMulti;& @9 \& B5 P3 i; ]: Z
- ESP8266WebServer server(80);; I0 ]" [. U1 O: f4 N7 g# K" V
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";( t8 o9 P/ e' X
- ADC_MODE(ADC_VCC);8 e6 L4 h- k4 e/ {6 }: D1 D
- void setup() {$ T. P$ U+ w2 \ @3 _2 q
- Serial.begin(115200);
4 R) b; W1 ?6 V9 a% F8 H2 y! |0 l - Serial.print("\r\n\n");
7 D$ h9 j5 |) f% z7 ?0 O - pinMode(2,OUTPUT);
% L: c5 Q* ?+ D$ v. _ - // WIFI
) \/ [7 v. G! J - WiFi.mode(WIFI_STA);
5 Z% g! d& N2 ]0 a - WiFi.hostname("Sparkle");
" L' p5 G# y6 ]! z( m5 S - WiFiMulti.addAP("wifi ssid", "wifi password");
1 v9 f5 i j" ~% B - int tryNum = 15;" b7 x9 C- e9 ]6 C. N
- Serial.print("Connect WiFi");
, l' U1 \: d0 r$ w& p) G" L+ u - while (WiFiMulti.run() != WL_CONNECTED) {8 C9 ]' l0 h4 j0 ?4 v
- digitalWrite(2,0);/ q" q5 x3 m c* x1 U& I
- delay(200);
( S/ y5 R6 N# L: F, |8 G - digitalWrite(2,1);2 K6 Y: m+ E2 }5 I' D/ ~
- delay(300);1 v+ X1 }1 L3 \" `: L
- Serial.print(".");0 i. A! F1 [7 {2 Z+ b
- tryNum--;
6 \1 O$ {* P7 J' L - if (tryNum == 0) {
; a% t- }9 D! b - // 1min
+ m0 y4 K7 Y2 R) R - // ESP.deepSleep(60e6);8 L3 E+ N! w6 o
- ESP.deepSleep(0);
, K( c! a+ H% i) j- ~- [ - }, l1 k: @+ R& ~$ K8 a" t" t
- }5 y, t4 Q1 T$ z- O- n4 z
- Serial.print("\r\n");
# p/ S6 D% h: [7 r) c/ p' O, I$ D - digitalWrite(2,1);
/ f% ]" k1 _& b9 Q) L5 i; ], D - Serial.print("IP address : ");
' O# F7 l2 [- i# D( ~ - Serial.println(WiFi.localIP()); u- L2 B) x4 x
- server.on("/", HTTP_GET, [](){
6 ]- J% J: O% U; Q+ h8 h' d$ c - server.sendHeader("Connection", "close"); f/ |" J" X/ p! |% i; x0 z
- server.send(200, "text/html", serverIndex);& ] C: M, r4 \5 a G5 _& s0 _
- });
3 E) O6 y7 T% `8 d# y - server.on("/update", HTTP_POST, [](){
0 U$ t! ], ^6 X& `2 D( Y - server.sendHeader("Connection", "close");
: I$ b3 M: {0 [7 F. w - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");' s" i( h8 ?6 ^
- ESP.restart();, E! k0 j; I& L& i
- },[](){
8 m4 @: p3 O' C" f% ~! H& M - HTTPUpload& upload = server.upload();& {; J1 S3 M) ^
- if(upload.status == UPLOAD_FILE_START){
/ t3 m1 d8 W0 \5 C2 v- O0 Q, r - Serial.setDebugOutput(true); T0 o+ s1 m2 v) f
- Serial.printf("Update: %s\n", upload.filename.c_str());! t+ o H5 V" v8 m F
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;0 x" L2 A4 d# y' [6 Y
- if(!Update.begin(maxSketchSpace)){5 U4 _! { ?6 Y! {' W9 c, u
- Update.printError(Serial);
: ]; c0 [+ N8 S. o - }) i. a# R" M# v% k! g, }; D
- } else if(upload.status == UPLOAD_FILE_WRITE){9 [) O4 ~4 U) f5 v/ J3 t4 c
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
! ~ ^% X, r2 a2 t. F; ] - Update.printError(Serial);
4 }% a" L; V" a; r: u1 n4 y - }0 w" ?) K# }1 Y) i
- } else if(upload.status == UPLOAD_FILE_END){4 \1 U j& I4 u0 Y
- if(Update.end(true)){0 Z6 X% n0 ], A# x5 F3 i
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
/ K `4 J1 N# q - } else {5 m5 s2 q0 I8 n6 w4 V) W0 ^
- Update.printError(Serial);) `% J7 R: ^; D8 W
- }% S2 s1 ]9 @) F7 T$ ?% l
- Serial.setDebugOutput(false);7 Y1 _: W6 V& D: G( p4 M9 A! o' o
- }# J- K# y _! _% f- f2 a4 S
- yield();
+ M: Y0 w2 q9 l - });8 ^5 l8 r- K- \& U q
-
- e4 s1 a& ^# }: D; v3 C6 ^# |/ | - digitalWrite(2,0);7 ~# j* C* m8 V
- mainAction();- l+ p \5 p5 m) ~6 u
- if (digitalRead(0)){. W' |1 p2 ]& Q/ `' v
- ESP.deepSleep(0);
# ]" {7 Z$ u3 \ W - } else {
# Y0 x8 |3 O' k7 N* {5 J1 f - server.begin();
2 n; H; e9 d, n. p* y3 G; h - }
% V8 s: N" j- F# J! T - }
6 X% H& f' a4 Z% h! S$ C# I, M- k# i- Y - void loop() {- N- w7 r) F6 x8 `$ U. {9 \! r
- server.handleClient();
% J: D. I0 i$ G! n' S3 C - delay(1);
9 E% U) w- N d! H% p+ d* i" f, a" b - }7 I! J' D4 _# o" \: h
- String doGet(String url){
/ ^) h. V* S E& \% I - if ((WiFiMulti.run() == WL_CONNECTED)) {- S5 x* K9 M4 p h- B7 y
- HTTPClient http;2 D& z7 o$ i% [& Z- v
- Serial.println("[HTTP] begin...");
2 H, q. g" H! r) e( e# D - if (url.startsWith("https")) {
* U) p. x4 ?; U/ Y# q" N - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
7 Z# ^& e& D4 K" N6 o# T - } else {
* `: j1 q) I4 Q1 r* W( L) u# E# F - http.begin(url);# ^* t+ ?7 |3 J6 z4 J) k6 a
- }* O5 N2 {) T; o8 ]' Q
- Serial.println("[HTTP] GET...");
/ r- G# P' y. n. \ m - int httpCode = http.GET();
( l% N* ]& r0 ` W( c2 w+ F - if (httpCode > 0) {
& l' |8 c8 |8 n3 n5 R: W - Serial.printf("[HTTP] code: %d\n", httpCode);
: T5 L: M. f3 o; b# t e - if (httpCode == HTTP_CODE_OK) {
0 Y* @; R' A3 O% P1 K# @6 Q - String payload = http.getString();
% f3 R& K( N7 b+ g5 {: v& ` - Serial.println(payload);
1 @) P+ I) T9 o* x( O! G I, {6 m2 `6 a - Serial.print("\r\n");# |8 f: W( w& X6 ^
- return payload;( W* n' w/ h6 A; r' D3 l; e: a9 ]
- }7 P x$ G1 s o1 f0 V S3 h, v
- } else {
7 Z" N# H! C' d" d" ^" f F - Serial.printf("[HTTP] GET... failed, error: %s\n",
) c. K2 e: ]3 T; C* Z) c - http.errorToString(httpCode).c_str());
2 k: ~4 V3 [( j8 T; N6 K - }5 w3 K' H' |6 B) [8 b
- http.end();5 ^0 q% S) G6 x* O
- return "";) M8 d$ `) [# C2 Q9 j& X7 @
- }
" W. L3 c8 Z# }" R% U. P4 Y* t - }
G0 @( I6 l% N+ m - void mainAction() {- u3 ]1 O# ^, i' a: D
- // 发送请求9 o* w: i, e h7 E
- doGet("http://google.cn");
3 B/ i4 p: |# r' q7 c - }. h" T- y7 u6 _( }3 C
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