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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)
- k! s+ h% ]8 F- #include <ESP8266HTTPClient.h>
+ ^( Q0 u- L# N" X6 g j; S1 z% l5 ^ - #include <ESP8266WiFi.h>
, b J1 Y, K: ?- N& V - #include <ESP8266WiFiMulti.h>* `" Z2 k. R7 ]# }# o( n
- #include <ESP8266WebServer.h>
3 r4 F/ F. v# _- U! p4 A p - #include <arduino.h>" T5 l, C, j" d% Z- n& j
- ESP8266WiFiMulti WiFiMulti;% {# b) l: T9 p
- ESP8266WebServer server(80);5 Y% G' ]. {( U, @7 l
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";! G) G- C. E8 ^# P9 d/ a5 n
- ADC_MODE(ADC_VCC);
, X! y1 e+ [, x/ R3 x - void setup() {
' c+ c& d2 `& g1 l, A9 x* w - Serial.begin(115200);
9 {% Q3 [; v V2 q# q4 A - Serial.print("\r\n\n");
9 p% {1 y: C8 q H0 |* y$ m6 L - pinMode(2,OUTPUT);0 \* j1 _; Y/ W: a5 |- D4 I
- // WIFI
y J9 p$ w& G0 n7 n - WiFi.mode(WIFI_STA);
V# y/ s: j! x+ y - WiFi.hostname("Sparkle");. a+ m" b( A/ S& G& N8 j9 A
- WiFiMulti.addAP("wifi ssid", "wifi password");1 ^" O7 f# N1 h: G+ E
- int tryNum = 15;# g& L2 _$ S' n/ x( f4 n
- Serial.print("Connect WiFi");
1 e' t; k+ O2 f5 L - while (WiFiMulti.run() != WL_CONNECTED) {
* U5 G6 c- X2 O - digitalWrite(2,0);0 Z- h. \- v1 X' Y* I4 G
- delay(200);
! F: B. Z6 Y* }; S% K. Z - digitalWrite(2,1);8 H5 p: N. G: u2 B/ x* J
- delay(300);: k/ d( ]# m% p- ^
- Serial.print(".");. Y: c, G/ w$ ?; K g- a
- tryNum--;
/ {" d5 i4 H: H( k8 a" t4 r - if (tryNum == 0) {
4 l; A; v* A# u& }! p" M/ R3 w - // 1min+ y+ V! Q. N C1 e; n$ D
- // ESP.deepSleep(60e6);
; l6 G$ R, i: L; Y, n- D - ESP.deepSleep(0);9 v/ W: c# P3 M! F& i. S# |
- }. a8 h+ R% z: U# u' h
- }
' Q- T+ `- q5 s* w5 I& j: R - Serial.print("\r\n");
6 A0 P3 J/ z4 S2 r! `. r - digitalWrite(2,1);
6 o, o0 P# h5 Z! i - Serial.print("IP address : ");
) R5 T' [7 r2 Q" | - Serial.println(WiFi.localIP());
7 |7 o) ^; J/ o4 r" M/ q - server.on("/", HTTP_GET, [](){
/ H" p2 e, `; D0 t8 e - server.sendHeader("Connection", "close");+ _ e+ l% {% r# a% u% j
- server.send(200, "text/html", serverIndex);
- D. D9 u# J3 ]" s& t% w) m7 d - });
" ~; Q) o$ \/ B. \/ \. f2 q+ ~( h) q - server.on("/update", HTTP_POST, [](){, G9 N4 g) B, s1 D7 T- \
- server.sendHeader("Connection", "close");
+ j' P2 [' {' w - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
$ o5 I( e; F y2 O% M. e+ g - ESP.restart();
* s: G9 i8 d( P! k v - },[](){
9 W& G" a0 g7 ^7 G - HTTPUpload& upload = server.upload();1 a3 r& }( }& J: A/ P* i9 ^. A: S
- if(upload.status == UPLOAD_FILE_START){
& y% O& L6 y4 M4 g1 m/ } - Serial.setDebugOutput(true);% y) T! q9 W. ^
- Serial.printf("Update: %s\n", upload.filename.c_str());
: x* E% @4 q2 s8 r$ o - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;+ |7 D6 i/ q6 c: X1 \' u+ `* q3 \/ Y
- if(!Update.begin(maxSketchSpace)){
/ f. b) L% N! q% ^$ H. t1 u5 O - Update.printError(Serial);
' j8 X+ L: ]6 e1 _ - }
: A4 [7 n9 b. _0 B: ?, m; z - } else if(upload.status == UPLOAD_FILE_WRITE){
" ~" V8 [4 ?$ \ - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){6 ?& G" b; N" X# J$ ^
- Update.printError(Serial);: |- ?: U8 z; T0 q* K& f5 b8 l
- }4 |8 t; a0 Z T0 M# m
- } else if(upload.status == UPLOAD_FILE_END){+ O5 n6 g, S- F9 w
- if(Update.end(true)){
v, p( x3 S% k( _$ Y7 I; I - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);* E, l9 r: L9 R- D0 {8 A
- } else {3 ~, z7 ]8 F- L2 i9 v
- Update.printError(Serial);
0 d8 G$ o+ }' ^ - }0 X! J% x4 J0 F/ o
- Serial.setDebugOutput(false);/ {, \5 h! N! f3 {
- }# T' L2 `6 c3 x, B! t& n' ?) o# U
- yield();
9 Q" J# [* v( {6 M4 a1 W5 u1 C3 l - });& L6 J/ g# D4 x
-
l A: Y4 k" Z7 w' k. D - digitalWrite(2,0);
# C: f. W6 |3 ]: `3 ?& u$ S' P - mainAction();
/ b) D: C; P% Y1 Y/ X3 D - if (digitalRead(0)){6 [ r+ v# z& u/ Y) r4 S
- ESP.deepSleep(0);/ N; q$ z$ y! V% K c! O
- } else {
. N; r) d' ]# O! u7 v; j9 J& \ - server.begin();
. |8 o0 ]5 H- X7 b* S$ U - }# S, O- B" ?9 n9 A3 ] E# ~& M
- }
( D8 j9 l( |3 ^ b0 r - void loop() {
0 ]4 g/ w5 G: W) @5 ?7 M5 Z: @ - server.handleClient();
8 p$ _* i, n8 S: o; p) k5 K - delay(1);9 l; a, U( G9 b
- }* [: j3 J5 d% b- G
- String doGet(String url){
# u: O& p" A x: v0 ~! H6 o* w - if ((WiFiMulti.run() == WL_CONNECTED)) {
8 ~( }# Z! ^8 h' r - HTTPClient http;
. n! q- K M+ O% }6 S7 U& ` - Serial.println("[HTTP] begin...");5 Y3 `6 \$ Z: I U. M" k
- if (url.startsWith("https")) {9 c9 [! @: g, K1 h: J
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");! _; }: A' p" s/ G! {
- } else {: l* B4 l0 B+ X5 s) C9 n6 z
- http.begin(url);
- \* `9 `* j. ], ^ - }
: p. K, g6 Y) W% A* m - Serial.println("[HTTP] GET...");
: X) ]. q8 r! L# S( R - int httpCode = http.GET();
4 L8 W" @$ ~) R$ b8 M! W* Z6 C - if (httpCode > 0) {, z( L" I* E- R0 L( y4 H# A
- Serial.printf("[HTTP] code: %d\n", httpCode);
6 x. x. t5 G) i4 v7 l: a7 R7 g" F - if (httpCode == HTTP_CODE_OK) {
$ b$ |* i( b% Z/ K, k" g - String payload = http.getString();: p# N$ C( `/ ?- a0 M) d
- Serial.println(payload);
+ s5 f$ y: g1 i" s9 N! E - Serial.print("\r\n");
( ^7 g6 Q4 Y' F P( T - return payload;
1 P0 L: P% S* `7 v - } j' C* B( ]8 u3 K
- } else {- ]- ? ^$ w: W a( Q2 }
- Serial.printf("[HTTP] GET... failed, error: %s\n",
* Z5 [# E1 ^% r# | b - http.errorToString(httpCode).c_str());1 w+ G+ i' V: M4 D
- }# v! I4 f" x: C. j# D
- http.end();
; J/ c' q8 l2 F# z6 E* I" o - return "";
7 G0 X; S, k8 Z" O+ S+ l' \ - }$ b7 V3 P R7 v/ N2 S' r# E& ?
- }
! A) \" N" P5 k: E" Q - void mainAction() {$ G# r( m, R: y/ r. ?4 @* A; G0 }
- // 发送请求
4 H/ O6 s1 m# l2 L1 V5 o9 Y' C% C3 M - doGet("http://google.cn");
5 y5 a7 ]) ]- d/ L$ { - }" h1 b8 h7 \0 o" S: s. [& `! A
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