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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)! B4 Y9 a7 L7 E
- #include <ESP8266HTTPClient.h>! E1 \4 \% A* N* c5 d5 \. Q* q
- #include <ESP8266WiFi.h>" f7 d4 [. x2 t+ p( p! d
- #include <ESP8266WiFiMulti.h>
% U; _" ]+ l1 F# ]& P0 j2 H - #include <ESP8266WebServer.h>
/ O' {; z, A, y; R - #include <arduino.h>" Q( ~0 o% L$ [& b: x/ j& W0 s1 F8 y
- ESP8266WiFiMulti WiFiMulti;
. T+ a2 D4 Z) [" [ - ESP8266WebServer server(80);4 Z' S3 Q8 s! H; ~2 f
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";' l( A6 A: ~6 t: ?, Z0 G
- ADC_MODE(ADC_VCC);6 i7 I& _" Y( `! o/ ~; F( n
- void setup() {
& m+ ~9 V5 s2 \ - Serial.begin(115200);6 u0 l' s: I( l- o7 ^
- Serial.print("\r\n\n");" O# n; {) `% @+ N# U: ]
- pinMode(2,OUTPUT);/ c. T3 R' T; g/ e
- // WIFI
) n1 x$ n4 Y. y a5 A - WiFi.mode(WIFI_STA);' Q; k) W2 B. ^6 a4 ?
- WiFi.hostname("Sparkle");
- [* n- F5 o* e2 |7 w - WiFiMulti.addAP("wifi ssid", "wifi password");! @7 n. T c6 D# J( B1 p4 _
- int tryNum = 15;
$ x7 H8 G7 b! o) ^ - Serial.print("Connect WiFi");
, T7 x6 {* \# `( V* k9 b - while (WiFiMulti.run() != WL_CONNECTED) {+ I0 H* ]7 ], P3 A% p g
- digitalWrite(2,0);
F5 O! z4 G0 M - delay(200);/ _; W! u* U1 C8 _: c( r
- digitalWrite(2,1);' Y1 H5 t8 r! K' D6 @) x
- delay(300);4 q4 c7 c$ \4 M9 [
- Serial.print(".");
2 |+ H) C/ o( p1 f$ Y2 ~5 n - tryNum--;0 }7 I/ |4 K- |! U: y1 i% |
- if (tryNum == 0) {
! j8 E# ?+ w9 J3 O# Q' m - // 1min+ P. p# r6 {! k+ b
- // ESP.deepSleep(60e6);
$ r3 ?6 \5 ^0 P1 E; s- Q! q+ E - ESP.deepSleep(0);
' Z0 j6 V( l% _ - }
7 C$ e+ D X3 x9 w. E% H B) _- n - }
6 j7 j- P/ @; S8 X5 G. {# P - Serial.print("\r\n");
, p1 p2 C) }8 b) ?/ V/ M - digitalWrite(2,1);
W: o' E1 Y s1 y9 M& G) X$ k - Serial.print("IP address : ");
. Z! x( r D$ r7 k# Y" N8 N - Serial.println(WiFi.localIP());
/ S+ V% Z/ d2 Q - server.on("/", HTTP_GET, [](){% h+ X/ c8 b- D. m" [
- server.sendHeader("Connection", "close");
8 n6 B- i$ f; y - server.send(200, "text/html", serverIndex);! C: D; F2 O, Z- l. U* L7 {/ ^9 v# e
- });% I, }) O: z4 @2 y/ q
- server.on("/update", HTTP_POST, [](){
+ Z6 U/ J0 Z. j, \# L8 Z - server.sendHeader("Connection", "close");. i6 T" q) }+ F1 P5 f$ w
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");4 r9 ^5 p& ], e
- ESP.restart();
" E' g9 M; l A - },[](){
& n& B; A6 P7 D+ @ - HTTPUpload& upload = server.upload();
8 y- S/ A" Z9 ]8 \- `+ c$ q: } - if(upload.status == UPLOAD_FILE_START){
) u3 I* g" y9 ]6 ^ - Serial.setDebugOutput(true);5 ?! F1 ~7 L3 t$ H- p4 |0 `9 H
- Serial.printf("Update: %s\n", upload.filename.c_str());! g" t) p) T0 N$ B/ z
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
7 P( _% U+ J7 B5 U' B. g - if(!Update.begin(maxSketchSpace)){7 d3 E& k; d5 {9 _& A8 @
- Update.printError(Serial);9 }" M$ S) j, c8 x
- }
5 V9 J+ d; Y! b- H - } else if(upload.status == UPLOAD_FILE_WRITE){; o& o& u+ V, y5 ^1 x5 Q
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){! P* L$ g4 l8 U7 X+ o7 e) m* c
- Update.printError(Serial);
5 P4 R8 |5 y5 t% R - }# W8 H) r6 v4 B
- } else if(upload.status == UPLOAD_FILE_END){
[1 ~$ |# [: d: k8 W# M% H4 T - if(Update.end(true)){# ~9 R* d! y# C+ p
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);; M& M/ B6 k+ D) i5 Z% X7 H
- } else {
, Y3 p& N3 ~) d9 N A, ] - Update.printError(Serial);
1 a( R% I( g. ?4 Q" B - }$ n# G) G2 ^1 Z; a3 Q0 n# T
- Serial.setDebugOutput(false);
. b# z" b+ s L; @' [ - }" _( I8 [+ l9 r* n( G9 r
- yield();
' }3 B# u- v7 l5 Z1 ~9 I - });
- i5 }6 w) q" I! O, Z: Q - $ Q: Y& K; C9 Z# a
- digitalWrite(2,0);4 J5 ^7 X% Q8 d7 d. {9 j
- mainAction();
7 O+ v) K% Q- |5 w/ D% ^ - if (digitalRead(0)){
7 K( l9 s, x' l: m - ESP.deepSleep(0);9 q# D# Z; y7 V7 o, K! ?" A& J
- } else {
; b7 X0 ?0 d) W4 r3 V - server.begin();- o! j1 ~+ E2 |; ?' f5 P- B; v/ E
- }
; x$ ^! L& @- ?2 _5 {0 J - }% O' h) a; ~* h/ }1 f; A
- void loop() {
9 A* O8 L$ m- x, E8 L- D4 W - server.handleClient();( A; D5 Z$ J3 S5 u1 Z
- delay(1);
, m8 h! L" b& P, D - }* X% a8 J' z( ?7 v1 N X8 a! F) I3 K
- String doGet(String url){
5 A& Z7 E M& N+ o C - if ((WiFiMulti.run() == WL_CONNECTED)) {. ^- W5 Z6 u/ a% s; J- j* z) v( i
- HTTPClient http;2 F( x/ D b0 o
- Serial.println("[HTTP] begin...");
* J6 b( t4 v; Y m9 f+ S7 |& H; q2 z+ G - if (url.startsWith("https")) {+ C0 m; t# B5 a6 s d
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
3 w! o; |: {3 h - } else {
. M$ Z! N0 j2 _( q5 R! q/ R4 a1 n - http.begin(url);0 C. P; j' ]3 K( ~1 `
- }
. n( _, ]5 a# L5 w# H4 H9 @* E8 {1 J - Serial.println("[HTTP] GET...");
* M& S* J2 J8 p4 a - int httpCode = http.GET();
6 `6 D1 f- s {% S - if (httpCode > 0) {
! _5 g/ w5 f3 R! @: ]# r - Serial.printf("[HTTP] code: %d\n", httpCode);+ t% \8 A5 D+ w( X
- if (httpCode == HTTP_CODE_OK) {
/ z; u- @% s6 ]8 _ - String payload = http.getString();
, J- ~2 i' B9 |1 V - Serial.println(payload);
3 i8 q5 L1 I% u3 E$ p# y6 o) ~ - Serial.print("\r\n");
" Q8 i, ?$ Z5 }3 \6 D; i% ? s$ t - return payload;
# ]. u: i0 s; H$ |& ^ - }* O; x+ E+ @* e4 U% i& e% `; @
- } else {
! V( O6 h9 g' n& Y5 w" f - Serial.printf("[HTTP] GET... failed, error: %s\n",
8 ~) ^$ q2 f g& D- A - http.errorToString(httpCode).c_str());# K/ v- s7 U* z- N
- }! ]/ [' E' i; Y
- http.end();$ E9 F, X1 Q5 }( `3 j. f
- return "";
0 X; k% L* N: u* {/ C - }) F, O, @7 _7 a; M& i
- } N$ q* `' t. X9 \& d" O
- void mainAction() {
% C7 s' M% c0 B/ L+ `4 K6 d5 x* n - // 发送请求1 b1 t" |. V0 o7 s0 d. C! \
- doGet("http://google.cn");! K7 b3 j9 `1 N4 t* \- V
- }+ E/ a2 j# r. d0 H( ~, t/ k8 I
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