|
|
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)
* {, g- A( v$ Z& o6 d- #include <ESP8266HTTPClient.h>, M! o/ i3 Z2 n% P
- #include <ESP8266WiFi.h>
# I; w! e3 u z4 b6 i/ q - #include <ESP8266WiFiMulti.h>/ d8 ? k6 S! B
- #include <ESP8266WebServer.h>! p! d7 B9 X1 d" T" D5 `# R
- #include <arduino.h>
, \' K0 p/ J! G* A* J1 ]- E - ESP8266WiFiMulti WiFiMulti;
6 i0 m* }" f6 R' N - ESP8266WebServer server(80);8 x; q; Z l! z f+ u3 F
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
7 i# s+ W7 Q% T- i% O - ADC_MODE(ADC_VCC);
2 K! Z8 @* I+ b" h - void setup() {1 t0 a& f5 h! Y
- Serial.begin(115200);# v7 v2 P' S2 X: P, r
- Serial.print("\r\n\n");+ I* Y6 g! d, y
- pinMode(2,OUTPUT);* n1 B( w6 |+ G, E }1 u0 t+ L
- // WIFI9 b; S3 S3 S/ R7 t* X; @
- WiFi.mode(WIFI_STA);1 ]! Z8 p2 l; M+ @7 j
- WiFi.hostname("Sparkle");% s# s3 v$ D; K+ N
- WiFiMulti.addAP("wifi ssid", "wifi password");
! a) L' ~/ H. x" t - int tryNum = 15;* l9 n* P, l @- _! `9 M* t
- Serial.print("Connect WiFi");0 [ w. x) t; b6 e
- while (WiFiMulti.run() != WL_CONNECTED) {0 t& } {1 R' u- R+ G) M
- digitalWrite(2,0);; i6 }( Y) V$ a6 I8 Q, j- p
- delay(200);
0 u* r' u, ]3 y+ _ - digitalWrite(2,1);9 e2 Y( J' J0 C( R! k( M4 g: O: g
- delay(300);+ D2 p1 t3 b. F" I0 }
- Serial.print(".");
1 H2 T" x4 N$ r( R: M' @! d - tryNum--;1 q5 E: \* T% u
- if (tryNum == 0) {
- Z& A0 ] B% Q - // 1min
2 H; n# |; f E- Z - // ESP.deepSleep(60e6);+ V) Y x7 f! E* s% K2 I# w
- ESP.deepSleep(0);/ h6 y a2 \ C$ k& q$ [
- }
, D! g8 n- t' V+ v. y8 G7 _% p - }+ I7 H4 i3 e& o6 ?3 c: ?7 m: X
- Serial.print("\r\n");1 t, y9 s' F- H
- digitalWrite(2,1);$ `% ^" W0 T1 I* I# @2 t) [* |3 X
- Serial.print("IP address : ");9 H, T+ B0 p! g5 ?2 w/ @
- Serial.println(WiFi.localIP()); W: Y, [! _% }, d3 d
- server.on("/", HTTP_GET, [](){6 u8 A4 B" v( Q; R0 l
- server.sendHeader("Connection", "close");
) h8 o6 J6 i9 S: A - server.send(200, "text/html", serverIndex);. J- F1 x Z7 U' g
- }); H# O4 I+ W: s# _
- server.on("/update", HTTP_POST, [](){
4 ]1 ]- @+ Y# L0 w" f: ]. T - server.sendHeader("Connection", "close");
9 P7 g) J* _- f9 H* I$ b - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");" Y4 [% t- Q' _! Y0 q) E! a4 h
- ESP.restart();
! ] a1 N3 g% b3 A1 b) o1 o - },[](){9 x% S. `1 ~2 U, x: [6 ~* I
- HTTPUpload& upload = server.upload();6 A- g% d- S- t
- if(upload.status == UPLOAD_FILE_START){: ^- U8 h( W* w) y
- Serial.setDebugOutput(true);
! C/ q2 ]9 F# v1 n - Serial.printf("Update: %s\n", upload.filename.c_str());
# y2 {+ M- n- e* _3 B - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
% S% _7 [/ k/ Z - if(!Update.begin(maxSketchSpace)){& _! K3 G) S: B0 l; j
- Update.printError(Serial);
/ j7 t0 u) {/ K2 E - }
: d. D- w% v) D3 r0 j4 B! n - } else if(upload.status == UPLOAD_FILE_WRITE){/ R$ ]1 e0 t! ~7 @' e
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){( G: h/ r" G" S3 B2 H
- Update.printError(Serial);
5 i1 n+ J ]' h" n - }
3 ^/ k) m: m9 F( | - } else if(upload.status == UPLOAD_FILE_END){
" z/ l- \: h; ~5 f9 s - if(Update.end(true)){! h. R; F& T' b' [* p& M- \ Y
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
9 t3 C4 i$ v0 s5 x7 a - } else {
! y- Z7 O! m( H - Update.printError(Serial);
# l& R! d" Z! B) k( p1 G. x - }
) |7 a3 D1 O' z% p* ~, E! N - Serial.setDebugOutput(false);9 R2 h3 l9 u; R- M$ M8 ~1 F/ K
- }
4 G5 I" x0 |) P U - yield();
. v" T- ]+ `/ g - });
7 J, q% ]) [7 y2 d - " D- K7 b2 E: {* w
- digitalWrite(2,0);9 `4 X' W/ S& W$ x! _, ~1 b( b( R
- mainAction();, |' B" G) P: k5 n
- if (digitalRead(0)){
q! k, R- y6 _& @2 _6 x - ESP.deepSleep(0);
" l4 [ I' f% a s$ U' U - } else {
& A3 z [" g& U - server.begin();
/ U! R2 p, K0 e/ t - }* u& b' r$ y/ |
- }; _0 C# F/ ?; n% d9 S
- void loop() {
5 n6 r1 r' _$ P2 f - server.handleClient();: Y* y: E4 ]4 L4 ~7 A- i. t
- delay(1);9 q2 u" y/ e9 ~' O
- }
) ]4 J0 s, N" {" @4 l1 u - String doGet(String url){
2 w0 P6 w5 j' U/ |5 Z# v5 p- X# p - if ((WiFiMulti.run() == WL_CONNECTED)) {
8 c( T: {6 c T" F& M: o - HTTPClient http;
8 i8 X! Q2 \7 p# L - Serial.println("[HTTP] begin...");
) G9 F$ q" V% {+ a* n: s _ - if (url.startsWith("https")) {
' D ?' H: h! D - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");* E5 Y/ X H* \( U0 V
- } else {6 M" N# s1 e J) U& x, G1 Q) l) n+ m
- http.begin(url);( L: U2 w( o5 ]
- }5 N u0 `% p, c, k
- Serial.println("[HTTP] GET...");3 ]3 g3 P: g V8 `; N
- int httpCode = http.GET();, G4 e, `; `# E7 C, {
- if (httpCode > 0) {4 T$ g; I: m# r2 Q( Q$ ]
- Serial.printf("[HTTP] code: %d\n", httpCode);2 [0 C; t o O" G' O
- if (httpCode == HTTP_CODE_OK) {1 }$ m6 i H$ T, g& \9 S) N
- String payload = http.getString();
; z# e6 X9 K c: W k- c - Serial.println(payload);
' \7 i; y3 D$ S9 g2 ^$ |3 U& m) U - Serial.print("\r\n");2 O% Q- b* ?7 D$ ^, w+ _
- return payload;
8 _6 K+ y5 i: ~ - }0 b! {2 e4 Q0 b1 a
- } else {$ T" K( _2 U* k0 S$ d+ C9 A
- Serial.printf("[HTTP] GET... failed, error: %s\n",
# O) P+ g% M' V, U5 D - http.errorToString(httpCode).c_str());- u( h! Q4 H. f, W3 M0 o9 ]
- }! q9 ~& q+ o# B8 I* x1 d9 S& L
- http.end();/ J+ @# n P$ w
- return "";
9 U# S8 U: a: D) U( X - }
+ Q0 z8 a3 f) b4 U - }
' w- U. j1 J1 w6 \3 b - void mainAction() {
# ]1 R: V. m: i4 \0 D% l8 U - // 发送请求2 W8 ~$ `' l/ N, b
- doGet("http://google.cn");
/ G( R' A$ `7 m - }
; S# G* l9 g3 t9 n8 u& a& c* X% b
复制代码 |
评分
-
查看全部评分
|