|
|
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), B8 e/ K& U J, U" i& i
- #include <ESP8266HTTPClient.h>
8 j( @* q9 @$ Q5 m - #include <ESP8266WiFi.h>5 ~$ o5 {! Y7 x6 w$ H' P
- #include <ESP8266WiFiMulti.h>! f6 Y" M5 z, ^" e% d9 b6 J6 G
- #include <ESP8266WebServer.h>% G4 T A* e3 T4 D
- #include <arduino.h>
4 K6 l# a& n y$ ~ - ESP8266WiFiMulti WiFiMulti;
2 t( b* j- N) X/ Z2 B& z1 e1 s! g - ESP8266WebServer server(80);
1 o, {5 O3 G/ v! |. U" I3 I - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
2 O& [# R! Z5 e - ADC_MODE(ADC_VCC);0 _) p6 ]8 C; H
- void setup() {
$ i3 S8 j# f) o - Serial.begin(115200);+ } O- J4 g: d+ t6 h
- Serial.print("\r\n\n");* N! ?. O( z* R5 A' h1 k6 U
- pinMode(2,OUTPUT);
$ \: b8 B) w$ K! j' f% H - // WIFI; H0 b% X& c* w8 r" z
- WiFi.mode(WIFI_STA);
& O- l( X- d) w5 B( b# n - WiFi.hostname("Sparkle");
* F" a# e8 C: e5 x3 r2 V5 k2 W - WiFiMulti.addAP("wifi ssid", "wifi password");7 f+ U9 u8 t# O' M8 O- a
- int tryNum = 15;2 v+ x3 \) F% \$ |) R
- Serial.print("Connect WiFi");
7 ^# D! ?. z6 \, \ - while (WiFiMulti.run() != WL_CONNECTED) {
o% p' r2 y, N% T/ g0 o: C8 v* q - digitalWrite(2,0);
4 N# I5 `% K' m+ z9 G+ A - delay(200);
2 g% l" K8 P! {; I- h( K - digitalWrite(2,1);
, P) S1 M& e) r0 _5 M6 C) R1 E e - delay(300);
, V5 z' W- ~; d. Q s8 N+ n - Serial.print(".");7 V8 q7 W" _" x* a5 `6 Y3 V9 T
- tryNum--;+ }4 A" E" f+ ?: N
- if (tryNum == 0) {
9 ~, E- Y+ [" T) y - // 1min8 r! C1 L$ s, G! X
- // ESP.deepSleep(60e6);
( |" @8 b' w* [' m! [! D - ESP.deepSleep(0);
8 M" Y# d6 ^ T1 F0 y9 a - }- X! x# Z; E! c' J: H
- }6 u( c: V9 ?5 Q; H
- Serial.print("\r\n");1 W5 Y3 [7 ^7 L! m% f
- digitalWrite(2,1);) E Q# U* T3 s6 U$ c- o$ u
- Serial.print("IP address : ");* O: P. ]$ V9 c; Y( }! B% ^
- Serial.println(WiFi.localIP());
& ?! ^) a' F& E7 H, ~ - server.on("/", HTTP_GET, [](){
" p9 s3 e; \) C; o( r% y7 v5 c - server.sendHeader("Connection", "close");
. d9 \) M+ l, |& q: p2 k - server.send(200, "text/html", serverIndex);! T( s6 h/ S& |2 ]0 M
- });3 h8 j& s% L! H1 ?" @ p
- server.on("/update", HTTP_POST, [](){
9 J) t$ s L5 |! @ - server.sendHeader("Connection", "close");% |+ B. \+ _! d u- L
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
) m0 Z9 y( U: V; F7 Y - ESP.restart();
. O" Y+ h: d+ }: p L - },[](){
1 w2 ^# ^) f2 A3 H4 ]$ _ - HTTPUpload& upload = server.upload();
) l( C7 a8 d* r3 A& Y- ?. n - if(upload.status == UPLOAD_FILE_START){" n: d( ?9 s, ?' Q/ W9 z
- Serial.setDebugOutput(true);0 Y# o+ _9 h* I* N' r5 i; j1 S- X
- Serial.printf("Update: %s\n", upload.filename.c_str());/ u0 S3 ^ l& i2 |3 h8 h' i6 O
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
3 r" p6 K6 l% y# O0 } - if(!Update.begin(maxSketchSpace)){
' w2 v+ G$ h8 {8 A, _/ O( G - Update.printError(Serial);; t# P7 b: }$ k5 G1 |
- }4 i }8 d# I" S2 y- F+ `
- } else if(upload.status == UPLOAD_FILE_WRITE){( w9 I/ @; j* ] d$ m3 i
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
, g; W7 B8 ~6 z- b - Update.printError(Serial);
! U9 N9 x. t4 b6 L& K' K$ [ - }5 S3 O' `% r8 ^: Q/ U1 U- ]
- } else if(upload.status == UPLOAD_FILE_END){
7 a$ S* S6 s5 \' a0 f5 u - if(Update.end(true)){
7 a+ y5 W6 \$ n: B7 t7 a - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
B( B' {6 k6 {3 Z2 F0 t4 q0 r& X - } else {
$ C3 T( U% M% n1 q/ ~# w - Update.printError(Serial);3 g: q- U' y, L. Q
- }1 o9 @$ {! Z/ [: z) s
- Serial.setDebugOutput(false);' D- g' U1 N4 y) r! v0 a" f% U) \; `! q
- }! J! Q1 f2 D5 N
- yield();
% V4 {6 f& Z" [% j" I6 F - });
9 b: ?4 a5 ?0 @* E, ^ -
6 l4 F2 r: p$ V! \5 R: V( G: P - digitalWrite(2,0);7 y3 b/ {5 \: `; R
- mainAction();
7 e! S ?5 B) J: D% c9 |6 g M - if (digitalRead(0)){
) k- l# R/ E- D: O. P4 T - ESP.deepSleep(0);
: c; p: x' `6 x1 K" f - } else {
7 I: W$ _$ }* a: A6 q5 U \( k# J - server.begin();
. ?0 d$ b. p; A6 c! f% z- T - }
7 V. @# o* w2 }. d5 W" C - }
0 ^ l! P }, x8 V9 m# ? - void loop() {
, m0 j/ U n9 E2 |' f+ ] - server.handleClient();0 h" m# g" M- V5 t0 f/ d D
- delay(1);0 \& k0 c/ r; m
- }
- `% w+ `. [3 {) Z; k$ f - String doGet(String url){" Y! I2 u8 S4 W: o Z
- if ((WiFiMulti.run() == WL_CONNECTED)) {% q1 @) l- L, W
- HTTPClient http;
2 U7 N; C5 b4 W/ H2 G* a - Serial.println("[HTTP] begin...");
q' S$ F7 q! h# P" z8 l1 }; W4 L - if (url.startsWith("https")) {% |! w2 x* I8 z, y# q. f
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
3 P7 f f8 P& H3 i: O - } else {
. A7 b8 o6 Z2 ~: P - http.begin(url);
+ p1 p) j8 Y3 V V5 i. p4 W. L$ z5 V - }
9 t! V1 J, U% t* u7 O" W& ^ - Serial.println("[HTTP] GET...");4 }' _2 @. c, Q, p
- int httpCode = http.GET();
; n1 a, f% V" O0 L0 u - if (httpCode > 0) {' s2 [0 `( w6 j; p g3 ~
- Serial.printf("[HTTP] code: %d\n", httpCode);5 q( ]$ |( s2 o
- if (httpCode == HTTP_CODE_OK) {
( F8 |3 [6 q' a5 i% B& y - String payload = http.getString();. ~& A- H) {. c" e+ |% E2 H! m
- Serial.println(payload);6 }: p, Z* A- x
- Serial.print("\r\n");! y( p' W5 B' W o7 y
- return payload;
: ~" r9 M1 r* W6 x) o. E7 } - }* J1 K4 }. k7 U: F
- } else {
8 b6 C( m/ W% H# ?3 H - Serial.printf("[HTTP] GET... failed, error: %s\n",
m+ {4 j* D' M$ O7 g" F2 T9 R - http.errorToString(httpCode).c_str());
5 ?2 V" ]) ]# ? - }
9 W! S# J7 z2 p0 L8 W$ q - http.end();. w; N% g7 X8 Z& y; l8 a0 ]& @: T2 W
- return "";
: q7 s1 d( M8 g7 e* X$ @ - }
+ w1 D" Q. n; { - }1 x3 |; ^2 x5 d/ ~$ V$ X
- void mainAction() {# A4 N; @% m$ r" F- V: l
- // 发送请求
5 l1 b( d; k2 h$ U b - doGet("http://google.cn");
k. |0 W; i/ s& B - }8 [; Z% T6 _! o& I( e4 P3 n6 S9 e9 D
复制代码 |
评分
-
查看全部评分
|