|
|
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)- ^. h3 N5 ?* z1 F* j6 y* e. V
- #include <ESP8266HTTPClient.h>" W3 a5 P# ^# B& T* e
- #include <ESP8266WiFi.h>; m7 ` W+ w; Q/ \4 t" B
- #include <ESP8266WiFiMulti.h>
. n O, T; A1 F+ ] - #include <ESP8266WebServer.h># K3 P, X! n# Y0 p
- #include <arduino.h>- h$ ?0 ]0 g. G5 E" E# l
- ESP8266WiFiMulti WiFiMulti;- _6 g0 t0 u2 ^
- ESP8266WebServer server(80);
' `; C% I% m: n6 ` - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
5 X' o1 `5 K- ]$ E3 o - ADC_MODE(ADC_VCC);9 V6 O# T' p+ j' C
- void setup() {
4 K+ U' _ I6 A: D* t0 ^! o - Serial.begin(115200);# U, J6 \4 {4 T, I0 M7 d
- Serial.print("\r\n\n");
' Y* v7 j9 V( ^- d( M* |6 } - pinMode(2,OUTPUT);
! p& [* G5 ?+ |7 |( e, a - // WIFI/ ]0 _0 w: u: y9 m- D; \+ r2 H
- WiFi.mode(WIFI_STA);. J0 A+ u( c& @) |+ w! j9 }
- WiFi.hostname("Sparkle");* w3 k2 q- I4 `/ b7 a
- WiFiMulti.addAP("wifi ssid", "wifi password");( q8 C# k$ V! \6 Q
- int tryNum = 15;# C+ ^& q& }5 Y; X- U8 V% i
- Serial.print("Connect WiFi");# L2 @0 Q( V' p
- while (WiFiMulti.run() != WL_CONNECTED) {9 [* l1 {# u9 } f
- digitalWrite(2,0);
7 o# l4 S1 z3 K8 `- p7 U - delay(200);# [- ?$ Q( j- E; T3 _4 M/ U( f3 d5 m
- digitalWrite(2,1);
5 ~' m4 k0 X2 h( d; g4 D - delay(300);' |/ E; F! z% s
- Serial.print(".");
: p+ R; P3 k ?. K; B - tryNum--;5 f: B5 k* J: d! R
- if (tryNum == 0) {
3 G1 B; _! K$ j2 ]& g& v3 X! b8 l! |& P - // 1min
; r% Q9 ]: S+ [( m6 ? - // ESP.deepSleep(60e6);" a9 f- F# N7 ]% j* q
- ESP.deepSleep(0);4 w, O& j. J1 K) q' f- C( W
- }. z$ v' L1 e9 T- k& a
- }
5 D) o7 {- ]# Z4 X9 i: c - Serial.print("\r\n");8 S2 v" g" b R7 i# _' A
- digitalWrite(2,1);7 A% A& z# x6 q" A+ l, X- P) x
- Serial.print("IP address : ");4 t5 d8 @# ]0 H) q5 Y$ ]2 u, J
- Serial.println(WiFi.localIP());6 T2 H" J& s- X- i' j/ Y. h
- server.on("/", HTTP_GET, [](){
2 s0 M) A; X! X& f3 M8 z - server.sendHeader("Connection", "close");
1 L. |2 w' w0 x" u. M - server.send(200, "text/html", serverIndex);
. \" ]* Z+ \! p; ]8 E2 n - });
& f/ c7 T5 e# ` - server.on("/update", HTTP_POST, [](){
( h% j# G( I- i3 e* y% d* \ - server.sendHeader("Connection", "close");
" ]5 z j$ U6 ~" U) ?. w9 r - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");7 H# F" ` |& H; I- R
- ESP.restart();
$ N0 M8 s6 h7 Q' U5 R - },[](){
* S2 b; j) Y5 I$ d! ]6 U - HTTPUpload& upload = server.upload();
& C# y u; G: h! X- z! g5 c - if(upload.status == UPLOAD_FILE_START){
9 g7 B1 L" D e* G6 T. j+ I - Serial.setDebugOutput(true);
' a. \: x+ [" ]6 H - Serial.printf("Update: %s\n", upload.filename.c_str()); R; O* h- M" Q+ U* `; i2 r0 n4 _
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;. E( p' g" Z( s, m# `( W
- if(!Update.begin(maxSketchSpace)){ E, ?) U, K3 [& c+ ?+ O
- Update.printError(Serial);& l8 `- h! ^8 ^6 u3 |
- }: S& \$ X. J+ v" B$ }3 {% Q( I
- } else if(upload.status == UPLOAD_FILE_WRITE){4 U q: N- P2 |4 m* _" e0 y
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){+ y2 J2 Z% ~! {0 {( H8 Y; l+ U
- Update.printError(Serial);
+ R Q+ [- V3 A4 z( C) v6 \ - }: ]1 P0 I0 v( n5 I; q) T$ e
- } else if(upload.status == UPLOAD_FILE_END){; K6 [3 f4 [$ C0 b: m5 v( ?
- if(Update.end(true)){6 c- x. e1 }+ f/ A( ~1 ~$ x
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
4 F6 C$ y h. i I$ N0 ?; S7 h' J - } else {; | H1 X F% ?' S
- Update.printError(Serial);
2 C3 ?) _* J5 g" _" \ - }
, X0 ]; K5 g: Y- h' f& w, w - Serial.setDebugOutput(false);9 G$ y* j* K L& P- n
- }' h; @/ f/ ]9 \& R' p( a2 a
- yield();' H. V5 m' B& p1 y) r9 p% U
- });$ g3 {% w( P4 H9 e" E
-
+ ~2 F( x$ U$ g& h4 _/ J5 F - digitalWrite(2,0);
) k' e' F( H( o - mainAction();! q6 q( u& x( Q* y' m0 w# t$ K/ m0 l
- if (digitalRead(0)){% {' {% ^7 u+ L; ^' L. P
- ESP.deepSleep(0);7 E3 x& ?3 x% D4 Q4 V0 l. B+ b
- } else {; u6 |. H8 i) O2 [4 q& m. m6 g
- server.begin();5 O9 M2 d, N2 N4 D
- }
3 E: x/ o% q6 v - }
# T7 N+ M; t* f5 N3 D5 _ - void loop() {
; ^6 O& p# ]. d - server.handleClient();
" N7 U6 a6 R0 ^, Z: X$ ~ - delay(1);
4 V" g6 f" A8 d0 i5 r: s - } D. {4 B6 p# _1 f& ^* I' R3 _1 _
- String doGet(String url){3 b7 G7 O' L2 ]5 t
- if ((WiFiMulti.run() == WL_CONNECTED)) {
- H! |& g4 B Z8 [ ?& e @# F - HTTPClient http;6 c6 m) Z: K5 O3 b1 f. c* T
- Serial.println("[HTTP] begin...");! ^- c( }# T- I2 e
- if (url.startsWith("https")) {& Q) r2 y) B. R+ f0 {' i
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
. ~' Z6 R! R$ D2 w) x, Q0 s a( E - } else {/ r8 S3 X0 Z2 Y+ C$ M& v
- http.begin(url);9 H3 v& N8 L: x4 ^7 e3 B# w
- }
$ k9 S( v- \4 D - Serial.println("[HTTP] GET...");
9 u' ~! G8 N x2 Q - int httpCode = http.GET();
4 k1 G1 }& x8 l' z. W0 T8 u3 c - if (httpCode > 0) {8 y, S$ q% v6 W+ D4 g
- Serial.printf("[HTTP] code: %d\n", httpCode);
; W, U: d4 m7 V9 Z! U- o' v* V+ Q( V: ^ - if (httpCode == HTTP_CODE_OK) {* n: ]$ ?! `8 L& y8 v7 R3 @' Q
- String payload = http.getString();
/ c3 g2 [" k% ~) U+ l - Serial.println(payload);9 F4 _* ]: o j
- Serial.print("\r\n");
, S: o: l: y: x3 x - return payload;
' ~* {! g k* t - }2 m' O) j6 k- L9 O& B
- } else {: |3 n' O6 ^( l8 Q
- Serial.printf("[HTTP] GET... failed, error: %s\n",+ k9 ]' E2 v' d6 U
- http.errorToString(httpCode).c_str());
* q' w$ |, m+ Y4 }- b$ u( Z9 W! q0 g - }
% ^( H$ _; U" f - http.end();
8 i' \2 |9 M8 ?7 t8 s8 C8 A - return "";
. K* I$ j- c' l* ?7 f8 _7 ` - }
d8 A2 G# h( R" }4 Z - }7 P& V+ `/ @% Y/ q4 ~
- void mainAction() {5 }2 X( `9 H) ?% \8 A+ m$ x
- // 发送请求- \, G& n: o% Q, a
- doGet("http://google.cn");
' R4 u2 o. s( L. C% G - }
/ b# ^% i* C2 z
复制代码 |
评分
-
查看全部评分
|