|
|
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)
' q9 K/ f/ }9 g, `# Z- #include <ESP8266HTTPClient.h>3 Y, E0 v8 S# j, z! b3 ^; b
- #include <ESP8266WiFi.h>8 F) D4 p6 W& c h
- #include <ESP8266WiFiMulti.h>
4 l, H9 c" T/ ?' o6 f - #include <ESP8266WebServer.h># ~ Y* d4 s$ ^4 t$ u2 [: i
- #include <arduino.h>3 L8 z+ X! F! o* _! E
- ESP8266WiFiMulti WiFiMulti;& |4 c( r" D& ~2 n' B
- ESP8266WebServer server(80);# \. u/ z( |- d6 q' w! W1 l
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";* o& ?, M+ j |0 D5 E# u b
- ADC_MODE(ADC_VCC);# R0 N! B) }0 ?7 D* d
- void setup() {9 j% {9 K5 C! N; y
- Serial.begin(115200);1 l0 k$ ~( i( j1 V& j
- Serial.print("\r\n\n");
2 E- f8 A* q3 c2 p# g - pinMode(2,OUTPUT);* n7 \; |- e* q0 W( H
- // WIFI) `( `! d/ I ~1 V* w3 ~, @
- WiFi.mode(WIFI_STA);! [6 W1 Y6 Q8 t$ f% y
- WiFi.hostname("Sparkle");
' b/ b! N; I( r5 d6 s, P( Y - WiFiMulti.addAP("wifi ssid", "wifi password");6 o% e: t( }$ s1 H- S
- int tryNum = 15;1 a( w2 }, [0 U/ Y. @7 Y: `
- Serial.print("Connect WiFi");0 d @( R0 c7 ?& l( n
- while (WiFiMulti.run() != WL_CONNECTED) {
/ j. B% a8 C/ |; C. @ - digitalWrite(2,0);
9 Q8 P# y% K3 H' ^6 H - delay(200);9 F, m; P4 |" v# U9 X
- digitalWrite(2,1); u8 U# t+ O0 i7 k" b
- delay(300);) O# ^7 n; j" o! F3 y9 p& g
- Serial.print(".");$ D3 o. O4 H- i: `* g: ]
- tryNum--;
; v- ?4 f' {2 v# ?5 N S# U, a - if (tryNum == 0) {
8 q3 Z/ g4 Y( b$ I - // 1min
" q! k6 b) S% i - // ESP.deepSleep(60e6);2 s& T/ T* j) V5 O! h6 v1 @0 N
- ESP.deepSleep(0);
. F% U, f X- Y U - }" ]5 X+ O1 g! w0 a! R$ W
- }
& Y! n9 |* }1 {8 P9 z - Serial.print("\r\n");
# a- l" Z0 s5 P0 o - digitalWrite(2,1);
1 K/ X" T& P, @, J/ M. N( E& M' ^) L - Serial.print("IP address : ");+ A6 s( C# Q% I0 p
- Serial.println(WiFi.localIP());% v: g+ y- k! ]. ^0 D
- server.on("/", HTTP_GET, [](){
% c" t$ k2 {. m2 i" l - server.sendHeader("Connection", "close");0 H' j) `+ U6 H
- server.send(200, "text/html", serverIndex);
/ T9 g$ U4 z7 N* Z& ~$ W2 n - });( F' {- `- A7 X8 o# r. ?" n
- server.on("/update", HTTP_POST, [](){9 F6 B4 S! Y1 t" b) s
- server.sendHeader("Connection", "close");
) Q; e7 \" T7 g, A9 A/ S- c- U - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
. x, b8 g& h$ \8 q" k' Y9 Z, k - ESP.restart();
/ b7 n# F# c4 G1 L, A - },[](){7 [! d3 I$ G* f- f Z
- HTTPUpload& upload = server.upload();
4 m G& W- p- N$ H! Q; d! J - if(upload.status == UPLOAD_FILE_START){
) l9 \- b8 z& w - Serial.setDebugOutput(true);
0 w$ B. Z% j/ T' P" g - Serial.printf("Update: %s\n", upload.filename.c_str());9 [1 P" D. J) A/ u( |; L
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;# v) K2 F9 c3 y2 |3 h
- if(!Update.begin(maxSketchSpace)){* a& V# x$ D0 S0 L
- Update.printError(Serial);! O! C3 }2 Y4 a! G# h3 I
- }$ O. e8 A& Y0 a2 t, \& B* r
- } else if(upload.status == UPLOAD_FILE_WRITE){
2 k7 F: H4 L7 }8 e! [ - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){/ M; K7 B6 y$ T9 f& y$ b! t3 N6 p
- Update.printError(Serial);
) B, B8 u; [* }+ E5 M - }
0 p, F% B4 d- z* T# S8 \6 y - } else if(upload.status == UPLOAD_FILE_END){
8 W& a/ N3 t" a% E9 \* \* I - if(Update.end(true)){1 t/ y! d8 ]5 l4 x7 g* |& J
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);2 }: s h ]5 H
- } else {
9 o$ i; D/ z, ` j2 v. V. G - Update.printError(Serial);
" m$ x& N' Q1 U - }6 ^, a) B+ c3 i" I
- Serial.setDebugOutput(false);" h! ^1 ~3 N1 I2 n' s: q
- }
4 {8 u( {' D. @" w - yield();
7 A% ]. h6 a3 l - });* w8 G$ J5 m' h% w; U' o
- 6 E! C, H* h' V6 D6 _
- digitalWrite(2,0);: O- N! K. N7 N. v
- mainAction();+ R1 @. y+ b* [! Z' j7 R8 u5 {
- if (digitalRead(0)){
1 X, s$ O \5 k. ]7 k: A. j y& U) Y - ESP.deepSleep(0);1 l4 i: _' ?; N" _5 {6 _# }
- } else {
$ d# u- f9 Z4 a+ D% r - server.begin();
0 U4 b5 m2 U2 y* S$ y6 R3 P - }# R* _' r* i7 t4 f
- }
: j: G' D0 X" u& V* u - void loop() {
% X" L& u! p* B& z, @ - server.handleClient();
* E, r6 v3 ?, H; V - delay(1);9 S0 P4 o- b: i
- }
& x2 \) A8 _" c1 b( ?- }- r - String doGet(String url){
6 Y# o7 Y: w- O+ Q - if ((WiFiMulti.run() == WL_CONNECTED)) {" K- `; D; m6 k8 L
- HTTPClient http;; w* e% C8 y7 o/ H- m, A
- Serial.println("[HTTP] begin...");# Y( S0 L/ W/ l7 s
- if (url.startsWith("https")) {& j7 l0 J3 L U2 }
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
3 K; [ s5 d7 S/ x8 u; C' A - } else {: Z; n8 F: ]( }" p/ X/ v
- http.begin(url);
, `' @3 }9 Q6 J - }9 A1 y+ L# c2 ^" Z' ^, A& n
- Serial.println("[HTTP] GET...");
% C. \/ D) U6 J* L* p* R3 @ - int httpCode = http.GET();8 s+ w! x, \8 t
- if (httpCode > 0) {
$ E8 i g4 d2 w- _! ]/ \" ^# P - Serial.printf("[HTTP] code: %d\n", httpCode);+ ^$ Q! X8 n/ A
- if (httpCode == HTTP_CODE_OK) {
- M& j& O5 w+ b( t6 ` - String payload = http.getString();8 W. z/ E6 H1 h% y& y
- Serial.println(payload);9 ?0 F- g/ T% \9 p
- Serial.print("\r\n");
. i% Z2 M3 c- k# Y4 ~9 s$ b - return payload;/ A! C& A7 D& j* A# o( U
- }/ `2 }6 p, W3 g# O* c' m3 y
- } else {
7 M! L% N5 i! |- B) e- N ]0 m - Serial.printf("[HTTP] GET... failed, error: %s\n",; ? B) }$ [( f f' k# ?- t
- http.errorToString(httpCode).c_str());
- F4 x2 }2 I3 ]2 P9 P - }
5 F. J4 T/ r q3 Q5 {& W0 F6 ] - http.end();- L8 M! |( e8 }; k
- return "";
" R5 \. @2 K% j* ~5 @0 Q - }3 W9 G/ b' _* r" Q9 ~
- }3 d5 o; S! P9 H2 ~3 g( R! Z. z# m
- void mainAction() {+ Y+ j- Z7 A# v, D5 N
- // 发送请求
# T9 c1 `" X8 U6 D* ?9 ~4 a; ` - doGet("http://google.cn");
$ `7 K8 t- ]6 R' g5 o - }( ~7 |, U& p5 W( o. E
复制代码 |
评分
-
查看全部评分
|