|
|
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 g" X4 Q/ g& a
- #include <ESP8266HTTPClient.h>
, B. _# S. a* P+ [ - #include <ESP8266WiFi.h>
- E9 @2 n3 f1 k" Z8 y8 X - #include <ESP8266WiFiMulti.h>9 I/ {: B; O5 b# \- X
- #include <ESP8266WebServer.h>
8 ^) R+ ^+ D& \7 `+ x - #include <arduino.h>4 K! R8 _2 \4 R
- ESP8266WiFiMulti WiFiMulti;
+ V2 f1 X# y- O1 v; \, F - ESP8266WebServer server(80);, o9 d) m0 @$ T+ ]$ c! b* j( K
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";$ j9 I! @ y" p E# E3 A
- ADC_MODE(ADC_VCC);3 Y5 y' |. C4 j: Z/ u$ h+ i
- void setup() {8 d+ V0 E2 b q
- Serial.begin(115200);: Q$ A3 E0 v8 b8 ?6 Q l' l b
- Serial.print("\r\n\n");
/ s3 O3 |* }0 @7 r @ - pinMode(2,OUTPUT);* Z U# M1 n$ M1 u4 C( P
- // WIFI8 L7 u! S4 j( H( v6 E
- WiFi.mode(WIFI_STA);
I% U' K& u# V1 O: f - WiFi.hostname("Sparkle");8 [& `. f5 a( R$ j0 s: D6 M
- WiFiMulti.addAP("wifi ssid", "wifi password");$ n* |4 g$ p0 g+ \ r; e
- int tryNum = 15;$ O' |9 p. E/ p5 v
- Serial.print("Connect WiFi");! J! j8 u* i% o- S- J% t
- while (WiFiMulti.run() != WL_CONNECTED) {- Y+ L; g4 _# L; W* S3 ^' L
- digitalWrite(2,0); Z$ Q; k" n: ^, `' y$ }8 r
- delay(200);
* ]; @8 Q/ _+ B# i, ~# w6 C - digitalWrite(2,1);4 C' [* f8 _6 @9 x B
- delay(300);. r% T' ~# C L! ?+ J0 H9 A9 S. [
- Serial.print(".");! C! R6 \( y U: m1 h
- tryNum--;
9 ?% l# `9 |) e# w t+ G) Z - if (tryNum == 0) {
* M; s j2 k. E) f; D' i& D, y - // 1min
! f- j* s" c; u- ]1 e - // ESP.deepSleep(60e6);
1 X' @" _" Y7 J# @- u - ESP.deepSleep(0);
9 ]) J' i* u; z4 F( a0 K( d - }, c" e5 `; W1 `+ I
- }0 F6 } a4 x5 L/ E
- Serial.print("\r\n");
+ ]7 ^9 X2 l5 z4 L" g2 j/ V - digitalWrite(2,1);6 X' m2 }$ U4 D Y8 {/ |
- Serial.print("IP address : ");6 [2 I- b8 ^( H5 Z3 j& c
- Serial.println(WiFi.localIP());5 [/ @4 s1 h% E1 w, O5 x
- server.on("/", HTTP_GET, [](){& Y% G7 }5 l3 ]( Z" A" q* m& A7 B
- server.sendHeader("Connection", "close");
: b+ e6 N# Z' @ - server.send(200, "text/html", serverIndex);& u9 W5 ~9 V5 D8 U6 z$ W3 D8 p
- });
: a$ B1 D; l8 T4 c7 n: y& n: L - server.on("/update", HTTP_POST, [](){8 H4 `8 h v1 ]! {" O* d# n
- server.sendHeader("Connection", "close");' y8 i( n/ y5 g2 y
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");3 V; r9 `) n U! d0 }
- ESP.restart();, p. V) S) o" `
- },[](){
8 D' b8 p1 g! R) N7 |1 u - HTTPUpload& upload = server.upload();7 S4 s( t" L# U
- if(upload.status == UPLOAD_FILE_START){6 t- x0 h' }1 k l/ r
- Serial.setDebugOutput(true);3 A, W( E0 I7 X+ T( J
- Serial.printf("Update: %s\n", upload.filename.c_str());
7 g# j) I! J% [ - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;: v0 i# P9 Q' h4 |4 b8 ?
- if(!Update.begin(maxSketchSpace)){
6 ^+ o; M$ @4 y; |- U - Update.printError(Serial);; ?) g" {& I: @2 K3 x4 Y
- }
! \- h( P. V5 }* e" M* F/ e - } else if(upload.status == UPLOAD_FILE_WRITE){1 B0 M; Q3 K6 n% j- u
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){" T, v. s! b: f% e* b
- Update.printError(Serial);
$ P* \) `) N. S2 n2 q - }. O7 |1 g; F2 O/ z
- } else if(upload.status == UPLOAD_FILE_END){& [' \* N3 o" p% K
- if(Update.end(true)){2 |, i3 g: @) o
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);3 m2 r7 f! i4 M0 q6 x( E' i$ O4 _8 F J
- } else {" R/ I* t+ F; g: o/ T- a
- Update.printError(Serial);
$ L2 s8 K8 z9 y+ h/ C - }. Q0 o/ q' T' C" W- s6 C
- Serial.setDebugOutput(false);1 Q* X6 w: Z" Z, z
- }
' m# i% V/ T9 v - yield();3 l8 ^% |4 H* i' X
- });% a J# l2 y7 R; C( V
- N/ @ I7 x% i! E
- digitalWrite(2,0);
" ?, @7 ?, F9 c; F4 b - mainAction();
3 S$ q0 D, K* g/ N0 G, c& I - if (digitalRead(0)){9 f# h! Y0 j4 x( E
- ESP.deepSleep(0);) D2 \! x/ l- [; J
- } else {
" t, H. `4 U/ E - server.begin();
3 J1 K0 y( g% \" O8 S! T - }
+ X7 V. Q( q4 Q" P# T - }9 S/ ]4 Y/ D' [; M. t/ b$ o
- void loop() {
; Z b. p t8 F0 t( A. s' Q - server.handleClient();6 L/ {. ?7 a7 R7 _3 \: L
- delay(1);
9 b5 F; Q7 r: X0 e. _ - }
+ ], H2 g! j S" t - String doGet(String url){
$ u9 i; [1 G9 m$ y5 R - if ((WiFiMulti.run() == WL_CONNECTED)) {
. o% m, Y; G; N) I - HTTPClient http;
5 s( f. v- ]! _; c - Serial.println("[HTTP] begin...");: u* }/ N r# t5 ~8 s* @8 R
- if (url.startsWith("https")) {
9 v4 k% v% @: g$ L - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");& C) O; Y2 Z3 H* m, I+ P u# L
- } else {
2 S, l' z( T/ [7 U3 X/ c. ^. L - http.begin(url);# U$ Q4 t; K1 m; Z, @2 Y
- }
" d: F) h: R t$ E% X4 k - Serial.println("[HTTP] GET...");) \0 T X0 i [7 x6 P
- int httpCode = http.GET();
: v( {: N0 \& q+ {; \- P1 ? - if (httpCode > 0) {: ]9 n6 ]3 Z+ N0 g/ v9 `9 S
- Serial.printf("[HTTP] code: %d\n", httpCode);
! Q* P: ^ U) z" ?: z3 T - if (httpCode == HTTP_CODE_OK) {
; d& @5 M. g1 ?/ Y8 g - String payload = http.getString();( h/ g* W% c" Z' g. f- x
- Serial.println(payload);
" H8 ~; l3 q; I" c# | - Serial.print("\r\n");6 V: t$ Y! i4 z3 X
- return payload;
; z; q& B$ ^5 I! w+ v2 z - }7 b2 k4 E8 m( W! n4 q' L" N
- } else {, y, m9 P; z, @
- Serial.printf("[HTTP] GET... failed, error: %s\n",4 l+ R2 g- @1 ^8 R: |
- http.errorToString(httpCode).c_str());
) f w" A) a' S- z# A* T% t - }
: W% u3 ]. L( y& u7 H - http.end();6 J9 c( C% q0 u. P5 i
- return "";
5 `! O6 X! a a+ p6 X - }
* W8 Q+ h& ]/ y8 d - }
( Z' w7 D9 X- `- `6 |9 y - void mainAction() {/ s6 a( z# a& k' ~' ~, D/ Y
- // 发送请求
$ F2 o$ Z h& R: n# b# s( f0 ? - doGet("http://google.cn");
9 R$ W3 l" p$ g g2 E9 M) J; H: h - }* c" p. C) U5 y* j" E; l$ O; p
复制代码 |
评分
-
查看全部评分
|