|
|
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 [ C: Z6 K" H8 B4 c F- j
- #include <ESP8266HTTPClient.h>; D. h& r0 t x
- #include <ESP8266WiFi.h># Y6 y2 c' z) W) t
- #include <ESP8266WiFiMulti.h>
) D; R, J; ^( R# W - #include <ESP8266WebServer.h>% f& N- i0 h0 N; W8 n: @5 W2 I! E! j
- #include <arduino.h>
2 a: Z ?9 ?, }4 y O - ESP8266WiFiMulti WiFiMulti;
( j6 b7 ^1 J4 {2 j) [- U - ESP8266WebServer server(80);
6 }- W$ ~" |- [; N, H - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";$ F; O" q3 t0 k# }; E% |
- ADC_MODE(ADC_VCC);
1 {. }; T6 j6 a: h. Z: V3 V+ M - void setup() {/ t; U; u! A6 P, \- |; P: \% v
- Serial.begin(115200);
! c8 R/ m% x6 Q R* J0 J - Serial.print("\r\n\n");
. l. P% v7 c# V: |) b - pinMode(2,OUTPUT);
' y4 l* s0 r3 L0 r - // WIFI( Z1 N$ N9 ]& B
- WiFi.mode(WIFI_STA);3 c3 [ Z: X. Q& h C5 a
- WiFi.hostname("Sparkle");
% w# a; y. ]- o/ q% A - WiFiMulti.addAP("wifi ssid", "wifi password");
) c$ P. f$ _) I; k - int tryNum = 15;
4 q- }2 A% W' A, ]" b - Serial.print("Connect WiFi");
/ m8 r+ I8 q8 g) Z, d2 o4 ] - while (WiFiMulti.run() != WL_CONNECTED) {
, o" m5 v: h9 ^( C7 o4 d6 R - digitalWrite(2,0);, n' J- M$ Q7 Z# v3 Z
- delay(200);9 `! [. x* z2 X) Y5 }" v9 W: i
- digitalWrite(2,1);
! [$ }! j! O4 C - delay(300);
; E+ O+ [6 L T! g0 W - Serial.print(".");- b& ]& P7 ]! I, h: }( N5 ?8 ^
- tryNum--;; j; c6 E: B& e4 ?/ J) k8 W% t
- if (tryNum == 0) {
* `. u' T2 y) d* u; M3 w* J8 ] - // 1min
, `$ q1 O! G- Z- M - // ESP.deepSleep(60e6);
7 {9 b" i2 `( i0 v* b/ x! B - ESP.deepSleep(0);
" S) U' F# [1 L# e' r - }8 v/ @! u! R. z8 ~
- }4 P6 l% S/ i! }
- Serial.print("\r\n");
) Q9 \) U X" B5 m - digitalWrite(2,1);
6 r: u2 X: V6 f. Y3 x - Serial.print("IP address : ");
+ w& Z& a9 O. P0 [/ [ - Serial.println(WiFi.localIP());* L) a' w' F4 S1 F! h5 Z+ E/ Z
- server.on("/", HTTP_GET, [](){
f. t4 `: o" c) T - server.sendHeader("Connection", "close");
- t5 B/ k! d' b6 e) b" P7 O1 J7 ~ - server.send(200, "text/html", serverIndex);9 @0 t- a: T: ]
- });; r5 _- U$ W q
- server.on("/update", HTTP_POST, [](){
4 B: g8 u9 O, S2 F+ T6 q/ _. C - server.sendHeader("Connection", "close");
- F5 P7 U1 O' @ - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");( p; `# d/ J) `/ p, E. B% g
- ESP.restart(); K# d5 B1 z# W% C; q
- },[](){
% V* I z" e/ m8 a - HTTPUpload& upload = server.upload();( x! z6 Z6 f' k# }
- if(upload.status == UPLOAD_FILE_START){5 M7 G& n9 W6 d$ P
- Serial.setDebugOutput(true);
N+ s( V2 C. S# m; E - Serial.printf("Update: %s\n", upload.filename.c_str());
) x6 T% t0 R4 Z- w6 i5 k - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
1 |& ?( J- Y1 y# I l1 @5 i - if(!Update.begin(maxSketchSpace)){1 _% y8 q; L( C& H+ v
- Update.printError(Serial);2 U, Y# P1 P# N1 b' R P8 [5 m
- }2 e7 Z8 A6 {% u; @
- } else if(upload.status == UPLOAD_FILE_WRITE){+ O/ e/ Y; R" ~
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
0 S5 G# |: ^, l/ c' M3 T - Update.printError(Serial);
9 l. Y1 s* H( c# L/ z% `3 l& \ - }
) k/ A' z5 w$ h" t; q- M2 v7 c% Y5 ]3 a - } else if(upload.status == UPLOAD_FILE_END){
2 ~6 T9 R" [1 ~1 F - if(Update.end(true)){
- o8 |) v3 m$ V: {; P - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
6 A( b" D0 r f& {) D - } else {% O7 _8 [5 ~# c1 F' U: [1 N5 ?5 t9 P1 J
- Update.printError(Serial);
0 I6 V) g. f! Q2 q2 Q2 f: T - }
1 `. }) j M+ P) Q - Serial.setDebugOutput(false);: Y7 C/ ]5 K( H
- }
1 }7 b& ~3 k4 m x4 ]% y - yield();
c. C& b! I% z& h' X/ j0 H; g8 _ - });
. I) {3 z C6 r& c! q, J -
! F; F* w( {: X* l& ~! ^ E8 u - digitalWrite(2,0);
* \. S0 W N6 J2 U: r7 d: i - mainAction();" h/ o7 |& f7 f- C# z, E5 ?, ~. f
- if (digitalRead(0)){$ c2 z& K8 R- P7 V6 k+ T
- ESP.deepSleep(0);
3 W8 ]/ m6 b, o% E- N - } else {
' @7 q5 ?* D7 @0 f$ k - server.begin();
) K u; \* M/ P) Z& l - }
; G2 g8 N9 k# a9 U7 D- j6 u$ ]9 E - }! m' Q9 @ @9 `7 w1 d/ n' C4 G
- void loop() {+ L5 X( J! \' W: p4 Z2 j. _" h$ F
- server.handleClient();# B& C! i# Y4 w% g
- delay(1);
- j: h/ u% |7 X8 B% Y$ N% C - }
d6 i5 y9 B# H - String doGet(String url){; U- S9 w; A( f
- if ((WiFiMulti.run() == WL_CONNECTED)) {
3 \$ y- Q0 S" m- Z7 f - HTTPClient http;
! ]7 T& } d* {6 {0 P$ K+ { - Serial.println("[HTTP] begin...");
3 i; m5 n7 D% w: c+ n - if (url.startsWith("https")) {
& |5 k" j; M/ K1 ], K. R: m - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
3 R6 Y+ j0 p b# Q, z - } else {
?$ K0 ~" o8 K( p8 P - http.begin(url);; k1 [# D' K. t) `4 o
- }
. H$ ?! e( j0 ]; s3 Z$ x - Serial.println("[HTTP] GET...");
$ _5 N6 I: a8 b/ f" X! J; |. Q - int httpCode = http.GET();
& Q, f( |2 o5 |; V7 M3 [2 } - if (httpCode > 0) {
8 [: G8 k6 f/ R) s- x( R1 ] - Serial.printf("[HTTP] code: %d\n", httpCode);
$ R K) D; r4 Y6 h - if (httpCode == HTTP_CODE_OK) {
) c5 y6 H/ r2 C8 \# { - String payload = http.getString();! Q4 R; j$ N0 W& C9 f% [% X
- Serial.println(payload);
4 I' q4 u0 `) ^ - Serial.print("\r\n");
+ h4 k3 e& ~% W5 w4 H" ^' X3 y4 X; ` - return payload;
' \ |5 Z: Y. G$ X - }+ _! }+ e0 k7 @0 I5 ]' P* `- p1 X
- } else {1 t+ p5 U- ^3 ` ]
- Serial.printf("[HTTP] GET... failed, error: %s\n",
) w+ J8 y0 p* z1 X4 Z. e1 p - http.errorToString(httpCode).c_str());
% K& z+ T! U% v+ r - }" v/ z. |; q# d* O5 Z5 D
- http.end();
" x9 j$ ?3 f: ]2 P - return "";
* L0 m# F( c+ ~6 p- ` {: @6 G - }
! y4 t s5 P3 R3 ?% ? - }: |$ P# H6 b* n) G+ j0 |6 n
- void mainAction() { E6 s7 s7 @1 k; U& u, X& E
- // 发送请求9 _& w" A$ D3 U$ ]) w# W# {3 o$ z. }' R
- doGet("http://google.cn");
9 B- B ^3 O& Y8 e8 k - }
( z7 R/ C& H" e3 G1 Q( z7 o
复制代码 |
评分
-
查看全部评分
|