|
|
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)/ j( t$ e( V& @/ I) e
- #include <ESP8266HTTPClient.h>3 w. c' \$ Q- }" `3 ~! R
- #include <ESP8266WiFi.h>$ L1 w) R! ^4 w8 L! ~
- #include <ESP8266WiFiMulti.h>. [, c6 _& C7 _) r# F8 V6 {/ t
- #include <ESP8266WebServer.h>( u0 F- I. p+ s( a y7 X0 S v
- #include <arduino.h>
$ }& s9 s+ ~( l# j, {0 ^ B1 o - ESP8266WiFiMulti WiFiMulti;
6 l* e% R% D" h: ^ - ESP8266WebServer server(80);
* E4 @" T2 ?& t5 i% Z* ^ - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";# M7 e' U: |- { g
- ADC_MODE(ADC_VCC);
0 J! @% N: O+ E0 n# m- P G, u2 ] - void setup() {3 N8 q4 R- z6 i H! D$ k
- Serial.begin(115200);9 I3 G/ u9 w; d2 @: m5 f
- Serial.print("\r\n\n");
6 o9 q) p9 Q! R7 c: m& s - pinMode(2,OUTPUT);
6 k4 N! Q5 b, Y6 L5 W' A; l$ c - // WIFI
2 u1 l L* F+ a4 W i - WiFi.mode(WIFI_STA);
5 ^/ C1 E3 C( M - WiFi.hostname("Sparkle");$ l6 D& G/ Y v# H* y2 U0 I
- WiFiMulti.addAP("wifi ssid", "wifi password");
, y- G" |6 I t: N* W2 e0 L: \ - int tryNum = 15;% j/ f& P' Y' q% T% S
- Serial.print("Connect WiFi");
' `& u/ l, t) l7 d W1 H: _4 l - while (WiFiMulti.run() != WL_CONNECTED) {; x# p, D1 k# N9 ]4 r+ j$ h
- digitalWrite(2,0);6 _& j! s. q' Q$ }& X
- delay(200);; [( z) S) }' u
- digitalWrite(2,1);
+ q: y% R: g6 Q+ j/ X O# { - delay(300);
0 H& ?$ u' q9 v- q" Y - Serial.print(".");
% x! m* C4 h" E3 h7 X; N- {% O - tryNum--;2 R" Y4 `6 W2 G5 F' z: |
- if (tryNum == 0) {
/ q& N0 `$ d s7 J - // 1min
% N) R+ D) [9 k1 Q* J, I - // ESP.deepSleep(60e6);. b. \9 N+ D& \* L9 ?
- ESP.deepSleep(0);
" h$ E1 I: l. y* D5 p( Y - }
' B2 W4 ]8 r5 j- _1 P) O" Q - }. V' O; u/ _+ {
- Serial.print("\r\n");
# A- s. ^$ O* J1 \4 U7 R. n - digitalWrite(2,1);
" K* @+ V! F4 Z- w0 \' V - Serial.print("IP address : ");# ?" f7 o8 P8 A
- Serial.println(WiFi.localIP());
" m# \, u- g4 k. H' c1 D' r - server.on("/", HTTP_GET, [](){
6 K4 n9 Q X0 q - server.sendHeader("Connection", "close");
' k+ e$ ~8 E( P+ I7 I8 w - server.send(200, "text/html", serverIndex);
) Q; ^/ N5 z0 T: ^/ S; _ - });
7 j* |* B, |/ _8 o* R - server.on("/update", HTTP_POST, [](){4 M+ d. |0 j' n, z6 W; M% D
- server.sendHeader("Connection", "close");+ Q. c3 o. ~" A- a$ N+ M) Q. g
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");( ? ]0 J8 W0 G5 n& a
- ESP.restart();' X( w: B2 N* c
- },[](){0 u; b# y- N( n6 g* @
- HTTPUpload& upload = server.upload();3 |/ j$ U- t+ Q% p6 W- x
- if(upload.status == UPLOAD_FILE_START){
+ @2 |/ m* p0 }4 M. _% x( V4 E - Serial.setDebugOutput(true);5 y% z( _4 z$ ~9 o, W
- Serial.printf("Update: %s\n", upload.filename.c_str());! C# [5 z& y: U3 Y& B
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;; i+ k0 |% Q) R) T: {
- if(!Update.begin(maxSketchSpace)){
) R; D- s6 {6 }7 L - Update.printError(Serial);% X* V$ G. P6 _5 p4 w" r& k
- }
1 Z2 e0 R- E+ ]! s/ T+ B1 ?: ~ - } else if(upload.status == UPLOAD_FILE_WRITE){
- T$ _9 o+ @( w5 t - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){0 U- n0 s1 X1 I% Z
- Update.printError(Serial);
1 ~2 m+ \3 |* c0 d, X; Z# s+ [4 ~1 G - }
6 \+ g* d4 @% y) X' @ - } else if(upload.status == UPLOAD_FILE_END){2 p6 u: l# D1 \* C# t# `# ^' { }
- if(Update.end(true)){6 M6 d5 N. n9 O
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
0 d! m" \1 {9 N* _ - } else {' ^& b- h: }- K% p1 T
- Update.printError(Serial);
6 a4 L; n8 S5 \: n - }
& Z; c& E' I# c2 Q8 e9 K* }8 h - Serial.setDebugOutput(false);' B" u4 n, |9 K
- }
; V5 T0 }. Y9 ~1 a - yield();( J$ `( u- ~/ L! s* n% _( c8 s- a0 [" O. l
- });
0 {- `8 a$ [: i. E b - $ c' Y3 u/ _+ x+ k$ f
- digitalWrite(2,0);
0 d D, ^5 f- c6 V, n) Y* R9 I7 A - mainAction();5 X! P2 Y2 @- d& Q5 A
- if (digitalRead(0)){
4 `- q7 ^: e9 G - ESP.deepSleep(0);
9 F7 `' S& R) {0 x+ L- [7 @ - } else {3 x# _4 A6 |! c* N& f
- server.begin();, o5 ~0 l: U$ b, ]* e" c+ H3 Y/ r
- }
+ I! f* J# A" T, b- p6 w( l - }
' r% c- ^0 a" h! F - void loop() {
' \- Y1 J) w) [! N, ?7 `* D v# K. t - server.handleClient();
5 N5 h5 X* g% |- B1 R- W5 } - delay(1);
# T6 Q2 ^3 x9 `4 A - }. K6 i$ q$ I7 e2 }
- String doGet(String url){2 e% t2 t0 V: I C! r
- if ((WiFiMulti.run() == WL_CONNECTED)) {, t$ e5 o7 G6 E( o2 L" {$ A
- HTTPClient http;, W' u( |+ ]9 u% @/ ^: e
- Serial.println("[HTTP] begin...");
6 X7 U% m8 n# u - if (url.startsWith("https")) {
9 Q6 }' P! G( d% N - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
6 i/ a" Q) B& c0 [, w U - } else {
9 N, g, `0 ?1 Q3 E - http.begin(url);
; c$ |5 g+ s% q - }
2 K( [ L5 k5 [" G, u - Serial.println("[HTTP] GET...");" d3 H8 K1 P, e+ A6 |0 a
- int httpCode = http.GET();
1 I0 Z: S% U" ~ - if (httpCode > 0) {
/ }9 K) c* N, Z! {7 P4 C - Serial.printf("[HTTP] code: %d\n", httpCode);
5 |. L4 f" T. S: u* V; m! d' R - if (httpCode == HTTP_CODE_OK) {7 K5 \) E% _0 f8 B$ u2 I
- String payload = http.getString();
# l- a3 j7 h# P* I* b7 U7 u$ w3 N - Serial.println(payload);
- l( ]) P2 P% l4 T5 j - Serial.print("\r\n");+ t" g- l; o/ P7 b$ j
- return payload;& a$ [8 R6 l( p( z5 g
- }# x8 p6 J8 c7 c6 F+ w, O
- } else {" K- R8 r( L: A0 U g: d0 y( l) d
- Serial.printf("[HTTP] GET... failed, error: %s\n",- o# @8 c1 Q6 \( J5 V* Q" _& i
- http.errorToString(httpCode).c_str());
) d& \) O+ F* ^+ V2 o$ o. ^ - }
, }. F9 c" {2 |, |7 ?: s - http.end();- s% F& _6 p0 K/ |! |( b0 o
- return "";
; Y+ r: G" a# E( Q* V - }' F6 M3 p7 [- i, F
- }
" \" I; D) D/ \ U# G - void mainAction() {# N/ ^9 ^ {2 R; |8 f
- // 发送请求
% ^: G; X: o; `- v5 P. q+ X7 A - doGet("http://google.cn");
- G8 \ _2 M" ]3 c; ~' P+ e: S" K+ A - }
" O" N) W7 R. Y! e
复制代码 |
评分
-
查看全部评分
|