|
|
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)8 H& B) `4 _' w: t
- #include <ESP8266HTTPClient.h>
* u+ M! j- X" g7 G0 Y, D - #include <ESP8266WiFi.h>+ u% F( j; |0 s
- #include <ESP8266WiFiMulti.h>
- s2 [3 `# w, ?6 v f - #include <ESP8266WebServer.h>
! t [1 x. g: j - #include <arduino.h>
7 N2 u/ K$ e9 g3 L6 j7 K - ESP8266WiFiMulti WiFiMulti;
, p' Q* x J2 A6 G$ p/ c2 ~3 E - ESP8266WebServer server(80); p. ]# v* i. c( }% x( e* u
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";5 }3 }. a/ `7 ^: W
- ADC_MODE(ADC_VCC); l: a) n7 a8 l o7 n3 F( `, W
- void setup() {
3 t8 r$ @" G) e+ d* Q+ C3 C" K' R - Serial.begin(115200);
/ a& i6 U( j% I% e9 A- _% N - Serial.print("\r\n\n");
) h! D5 O v' }9 [' S - pinMode(2,OUTPUT);
" ^0 X3 D6 ^$ o1 h& C. a) H - // WIFI
2 Y. w- w7 A! s9 d* Q! c - WiFi.mode(WIFI_STA);
2 @6 u H' y1 x. v8 w - WiFi.hostname("Sparkle");9 W! M7 S2 f, f. w, y0 q
- WiFiMulti.addAP("wifi ssid", "wifi password");4 z, O7 a V) H i! ^* x
- int tryNum = 15;! H ^4 M( M. l* c' j1 i6 ^
- Serial.print("Connect WiFi");
. j j* G- q8 ~ - while (WiFiMulti.run() != WL_CONNECTED) {1 r4 D6 @8 ], i0 t. H0 n
- digitalWrite(2,0);8 H \/ V8 q% L+ g% E
- delay(200);
7 g" H2 R( N( i3 Z3 y- F7 U - digitalWrite(2,1);
$ f6 Y4 V. ]1 b6 v+ ^; Z" H) N - delay(300);
! n' ^- o1 S9 D w- ^ E - Serial.print(".");
, Q! a6 j; ]9 v1 Z - tryNum--;4 s7 L, J/ U7 b+ i4 |1 i3 N
- if (tryNum == 0) {$ \! n: u4 G; G0 g# G, o
- // 1min
_) I5 _& M, r7 n K5 x8 n - // ESP.deepSleep(60e6);3 ?( d* t, ]' @$ M# V6 Z2 B
- ESP.deepSleep(0);
3 U8 {0 h) F, a% d8 q - }. m' O8 e8 {) t( t& e" ?) f% ]
- }
5 G0 g6 R5 Z5 F" ]; p& L$ }0 W. u; j4 r - Serial.print("\r\n");% n1 h. u& n, P4 A, i1 ?7 ~
- digitalWrite(2,1);# N% p! L- ]9 f- {4 W" _
- Serial.print("IP address : ");+ v! }: t& E j+ p9 f
- Serial.println(WiFi.localIP());
0 o# p9 z$ t$ V% n - server.on("/", HTTP_GET, [](){
3 z( ~7 n2 i+ M* L9 C. p - server.sendHeader("Connection", "close");
8 U. W) N' Y, T+ D1 v4 H" s - server.send(200, "text/html", serverIndex);
. r8 k `% ?/ p! z G1 F1 F! z& ^ - });
3 r$ g6 Q2 E! _* k9 a% ^5 c- M4 A7 w - server.on("/update", HTTP_POST, [](){/ r8 O$ S( ] P1 b
- server.sendHeader("Connection", "close");
8 Q \% l- t" a6 F% V: h$ @' f9 f - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
4 l( q/ y+ ?. F* B - ESP.restart();
7 x. V9 c" X. Z0 n. r( d& I - },[](){# f; a2 B' i% K% E3 a& s2 x3 w' @0 ?( c0 K
- HTTPUpload& upload = server.upload();
8 u3 F! E9 @, h' e6 ?2 {/ u4 E V - if(upload.status == UPLOAD_FILE_START){
% H/ C" }3 [' |/ I7 S - Serial.setDebugOutput(true);; c( m; {, W0 H4 M
- Serial.printf("Update: %s\n", upload.filename.c_str()); t2 |; l7 \4 v5 A, F" P
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;5 E6 C2 I- N. }8 s" V# T; ?
- if(!Update.begin(maxSketchSpace)){5 V! v/ a8 [, N7 r
- Update.printError(Serial);
" j0 ?+ i3 a$ B6 G6 z - }
9 s, l' W# x$ E# e5 c$ E/ u - } else if(upload.status == UPLOAD_FILE_WRITE){
& i$ u! V* C; b" e0 S - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
, Q3 J7 x/ L. {1 m+ y | - Update.printError(Serial);
' v$ m% T+ n6 R5 m( Z! ^ - }
) @5 H, @4 b6 ]3 U, P2 _ - } else if(upload.status == UPLOAD_FILE_END){" ^& ? A3 c2 T' P% D2 w
- if(Update.end(true)){" _, ` ]; u u# {0 \
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);9 A1 j9 g/ R" R" ^# ~
- } else {/ |8 D7 x, z; U
- Update.printError(Serial);5 i9 u' {5 Z: D, U. M' x1 P8 p
- }
5 t5 I1 B+ Y( E$ M - Serial.setDebugOutput(false);
2 H4 z/ G8 q, C+ J( b$ \/ F3 d - }
3 P. a) u! v8 k/ j" N% r - yield();
" h; f$ K9 ]7 e8 D) x. F$ U - });% _% M% r; G" G$ i, S$ v
-
3 u O1 p5 h+ W [# N0 o - digitalWrite(2,0);
( }0 Z( J" \: |5 N2 j) {7 i - mainAction();
* y {6 u1 t! O - if (digitalRead(0)){ r: \7 ^2 N" s0 [2 ^0 X4 F2 T5 ^0 a
- ESP.deepSleep(0);+ ?$ |! @+ `5 X0 U3 }
- } else {
8 V- ^1 r5 b0 H2 J - server.begin();
; r, m- ?$ r3 a4 |! A9 D* J - }* S1 v/ H" R" l
- }
, Q Z' c$ Z! A8 W0 |) d - void loop() {/ g; d3 S ^5 G
- server.handleClient();" ?( e {8 j8 l0 ]2 E
- delay(1);) @: M# c. ]/ y$ b3 u7 x @1 D
- }# L& T5 K% z; F9 Y j" h
- String doGet(String url){
0 V6 D$ b3 q! D6 K7 Z; n9 I( K - if ((WiFiMulti.run() == WL_CONNECTED)) {
$ c4 G8 `. w& F. G - HTTPClient http;
! N) L( v" O1 T$ _* ~& v4 }+ v - Serial.println("[HTTP] begin...");
' C3 ?% a6 i: ^) x N - if (url.startsWith("https")) {& _2 @5 P! W" [: T1 h& a
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");5 b1 w4 f" s5 p' j$ P
- } else {
* S" C0 O( p- U4 D - http.begin(url);* \. V ~% w& T, f
- }
+ _1 Q% y2 |! V( n' I( d - Serial.println("[HTTP] GET...");: A( O x- E/ I& [
- int httpCode = http.GET();
- k1 D' U/ H' i+ F' n$ s6 Y - if (httpCode > 0) {5 q ^. P+ O8 Y' I8 B
- Serial.printf("[HTTP] code: %d\n", httpCode);9 m) a: A X% i
- if (httpCode == HTTP_CODE_OK) {; ]( w. H% x7 \8 P' G. N2 D
- String payload = http.getString();# F3 o8 G/ g+ ^; E9 Y, y
- Serial.println(payload);; ^' e3 e h- Z! q9 ?
- Serial.print("\r\n");% Y. _' O I) V# U: U( A$ j
- return payload;
% N2 s7 x" e4 |* L2 s. L - }
! U) R# V" ~) V2 K5 c* |. J - } else {
( }# f5 g h. a, d+ `7 x7 c - Serial.printf("[HTTP] GET... failed, error: %s\n",8 t/ T5 b2 a* W$ ^. K
- http.errorToString(httpCode).c_str());& ]# i% h4 S. G8 Y' _( v
- }7 X& Q u! J+ Z7 O6 t7 g' \2 ]
- http.end();+ L C `1 |/ P$ \* ~% l
- return "";
1 @: q D& E" J- \ k3 P - }
; J0 W$ G* W/ K' A, K - }6 ?1 M$ {4 V8 G* `' ^/ r
- void mainAction() {
" E, x f5 o2 P+ z) X* ?8 R2 U" S7 U4 { - // 发送请求
& A; E5 t& p3 I$ U, b6 F - doGet("http://google.cn"); J& a/ `. Z# }+ T/ @" H
- }5 M( g' O( p* W
复制代码 |
评分
-
查看全部评分
|