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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)
9 h- N# r1 o, [% C' z# y- #include <ESP8266HTTPClient.h>+ I1 g( j* T0 |" ~ e- m
- #include <ESP8266WiFi.h>" w0 m, l$ `7 h! A. t1 Y
- #include <ESP8266WiFiMulti.h>, |$ Q4 f$ D9 v' L4 q
- #include <ESP8266WebServer.h>8 N; S& C, p8 O7 W/ w+ E
- #include <arduino.h>3 t* z4 S0 y9 P
- ESP8266WiFiMulti WiFiMulti;3 q0 Z6 [/ p) x" F# k9 L5 @
- ESP8266WebServer server(80);
- @& x+ i: v2 h$ h. Y5 A3 C( y - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";$ ~! f0 V7 _2 d4 ?1 @8 B
- ADC_MODE(ADC_VCC);
; y% M- q! i. r u" g- Z6 ~ - void setup() {. i" P2 C7 V+ Z8 s# c
- Serial.begin(115200);
& {+ U% J( x' d3 |& W( o& Z: y - Serial.print("\r\n\n");3 y' f9 g: G9 e O( p
- pinMode(2,OUTPUT);
' A, Z1 M% p+ h* P. e - // WIFI
4 I. ~* }, @7 y( x; b - WiFi.mode(WIFI_STA);' r$ ` v, ]0 G* {) z- ?
- WiFi.hostname("Sparkle");
% o2 E! t6 S5 B; d9 y - WiFiMulti.addAP("wifi ssid", "wifi password");/ V8 c% |# E" K) `: k
- int tryNum = 15;' _9 G- V, O; A5 L
- Serial.print("Connect WiFi");/ w! j6 ]4 i2 N: k) @) H" L$ z
- while (WiFiMulti.run() != WL_CONNECTED) {- b U8 B' H5 _. G! m
- digitalWrite(2,0);
. q: q1 J+ \) X4 T; q( ?5 n+ R - delay(200);
4 |) l# i" v* e/ @ - digitalWrite(2,1);. ^# m1 h1 A, N' F& R2 V" d
- delay(300);
5 r' [3 G/ @% j+ E - Serial.print(".");" E) m0 S- `7 G; r1 M
- tryNum--;& g6 g% B: x! u
- if (tryNum == 0) {
8 t% c# s2 Y# [0 N: V* T. r8 o - // 1min! P4 f: Z% Q- O0 M: Q: ?
- // ESP.deepSleep(60e6);* s8 O2 l# x) Q6 e$ k4 O
- ESP.deepSleep(0);
$ I- O* f. ?: V/ C6 J - }2 d# d. b, R8 [" h2 F1 s9 {
- }
, k; L6 u+ ?/ r' n1 q$ ] - Serial.print("\r\n");# _" e6 B* d9 }( p( c
- digitalWrite(2,1);) B! e# l) ?+ Q, h6 {) [
- Serial.print("IP address : ");8 E) o% u6 F8 P. [6 n
- Serial.println(WiFi.localIP());7 S- ?, \% D+ S; D0 S6 n
- server.on("/", HTTP_GET, [](){
9 z7 L1 @: V1 p" x3 u - server.sendHeader("Connection", "close"); A4 K8 C: J/ A7 _! U7 U
- server.send(200, "text/html", serverIndex);6 A! ?* p4 c$ b
- });
' g$ C* z& s8 j6 Q - server.on("/update", HTTP_POST, [](){
- V+ L) ]* f2 B2 `. x3 X - server.sendHeader("Connection", "close");
+ W9 B$ L* ~3 G- c) E* d0 q - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
% i: I2 b/ i6 ~% z3 v - ESP.restart();
( w1 c0 A: `7 P0 |. f - },[](){
; H& v$ u: ^! M) a' f3 V. v* ^: |* M - HTTPUpload& upload = server.upload();* \+ Y- ~. P7 Q# v3 u
- if(upload.status == UPLOAD_FILE_START){
- d' B+ A- A+ z/ ~5 h, N - Serial.setDebugOutput(true);
" U; P, {/ R- t - Serial.printf("Update: %s\n", upload.filename.c_str());
* L% r" U: s( U. x9 A/ Q% E - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
% ]+ A3 ]6 ^. a D) z6 w9 e - if(!Update.begin(maxSketchSpace)){
# D E' q/ f. t' o+ @& _+ Y - Update.printError(Serial);8 x) B& X4 V5 m; d
- }* T8 |( i! T( @6 k7 j& @
- } else if(upload.status == UPLOAD_FILE_WRITE){
7 i) L8 D; C: C) }9 }+ u - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
3 L; g* Z, H2 b& U9 u - Update.printError(Serial);/ O% ^5 Z% W6 L- E
- }: X* x' C/ l9 L; i
- } else if(upload.status == UPLOAD_FILE_END){
4 w' Q8 |! W' `* l- I v2 Y - if(Update.end(true)){# b; Z9 U' c7 V9 P- `
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);9 {5 F/ @( F x$ V
- } else {
( d! n3 [, g+ L& e( v* a' | - Update.printError(Serial);
" K2 d; ?" S7 D& f. [! a9 D0 h1 Z5 }. m I - }. z6 K$ j9 Y7 h) c
- Serial.setDebugOutput(false);
8 T% E" k6 ^2 `/ B: j0 _( d - }' G$ ^7 F2 r+ _0 T, u; P2 U
- yield();, q5 h7 _6 a0 p; [/ ~0 A
- });( u/ |: a! _; G( M3 i" K
- 6 C( [5 O5 B' W0 S- {7 s
- digitalWrite(2,0);
- H8 l) h# Z8 `, ?6 t9 Q5 v& o& ~+ q( J - mainAction();+ @# q( H) r/ } e; \; R! Y) G" |; F
- if (digitalRead(0)){6 q3 y, P& n" z c+ l8 O0 Y
- ESP.deepSleep(0);
' {* z, A/ B+ s- e - } else { t5 f3 |2 G* C& I' i
- server.begin();4 @( x3 v2 S1 B: k+ N3 Y% F& [$ G
- }
% Y6 h1 S5 W3 s - }
) T! m J5 F6 ?0 w/ [7 X; C, F - void loop() {3 o4 s, D' g- Q. \& v) {) T2 X
- server.handleClient();
1 F4 N$ y9 _9 p( F; Z' S - delay(1);
# Q! ?2 j) S, v0 ?7 d - }
' P; v3 y4 z9 |. r: S& D( F$ ^. j - String doGet(String url){
# \5 c7 N1 y4 r+ f3 B/ Q' V* f3 T% ~ - if ((WiFiMulti.run() == WL_CONNECTED)) {
- G7 x6 B9 K4 H$ z {* Z - HTTPClient http;
E% D( d0 P7 {' A- c: P - Serial.println("[HTTP] begin...");# w; T: M' X, A# E6 D9 Z* J0 m
- if (url.startsWith("https")) {
, [& G# I1 A, q) q% z - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
# E. {9 t/ F4 ~* P- | - } else {; K9 j2 o' o1 }( \' ]" n- a
- http.begin(url);
$ q O/ q# m/ D! k9 a' v' y - }
! q& l/ P4 c6 j/ b; l - Serial.println("[HTTP] GET...");
5 L. I! X/ h/ @# p - int httpCode = http.GET();( ?# j2 p& A6 r1 a0 u3 K" Z
- if (httpCode > 0) {
: k: o; i$ |# T, W - Serial.printf("[HTTP] code: %d\n", httpCode);" ]- N* O. d5 x& z
- if (httpCode == HTTP_CODE_OK) { N r4 ?+ W; T& Q- U
- String payload = http.getString();: c4 p6 m, O% T
- Serial.println(payload);
5 i1 m; H. [* P* J- J' F" w - Serial.print("\r\n");0 n* g @* L+ L2 P, ^* |( w
- return payload;6 [1 L" d; K% u5 Y9 B
- }7 R! U/ F( U- ]1 A/ m& h
- } else {
8 R: c0 y6 s, h8 t. _ - Serial.printf("[HTTP] GET... failed, error: %s\n"," J9 |" M; S% \. K: P$ R
- http.errorToString(httpCode).c_str());
( Y; a: |) `4 H& J. }) ?9 i - }7 S/ i" \4 [$ l% c+ b% c
- http.end();- T, n z' @/ T
- return "";
# C8 F' ]. o8 q! J5 b! @ - }
- h5 W# [9 V/ i3 a - }" _' y, l9 U0 B) ]$ W- m; p, _
- void mainAction() {
/ [1 m5 A0 `2 l1 h' k' o6 \6 q. W - // 发送请求" y6 v% o/ T( N
- doGet("http://google.cn");
9 E# i. v7 e3 K - }/ l& C4 G' |; K& W& A1 T. a% R; }5 p
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