|
|
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)/ N; V: C4 z2 i D' o
- #include <ESP8266HTTPClient.h>
+ ]/ L" h; G$ s, q9 h - #include <ESP8266WiFi.h>6 c7 M: U2 a. [! _0 u( p3 k
- #include <ESP8266WiFiMulti.h>5 e) \; E% j. I6 D
- #include <ESP8266WebServer.h>1 e5 l/ b7 X3 k9 I7 X2 ^
- #include <arduino.h>, J1 s8 u! d7 m, u
- ESP8266WiFiMulti WiFiMulti;7 u `- O) ]: D+ `; v, Y' ?. M
- ESP8266WebServer server(80);
# p2 U! X, P$ Z8 ~; ?$ S6 X - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";$ m& Z4 m# Y8 Q" s
- ADC_MODE(ADC_VCC);
f& \) j# B6 i6 T - void setup() {
+ O+ s0 ]0 w# B; \- l; b - Serial.begin(115200);
( l" A+ J+ b! M - Serial.print("\r\n\n");
. {, b g- {( d - pinMode(2,OUTPUT);
8 t u/ A- S7 Z) Q - // WIFI% ? O2 K& {$ W* d) W$ O i
- WiFi.mode(WIFI_STA);
! N3 |0 N4 q9 f9 v7 V - WiFi.hostname("Sparkle");
. S4 Y" n3 O; s& s& \: P& R* \ - WiFiMulti.addAP("wifi ssid", "wifi password");' f t* f, u1 v9 e. t$ |( h
- int tryNum = 15;7 l I3 y" K7 C. D: o3 r0 N# }
- Serial.print("Connect WiFi");0 v6 |; E4 V% L+ g8 _! {7 N
- while (WiFiMulti.run() != WL_CONNECTED) {% `/ J( ^1 o( q6 {) y
- digitalWrite(2,0);
# }1 P7 T" l! _& X$ f - delay(200);5 W1 l3 b/ l4 t2 m3 U( O w
- digitalWrite(2,1);
) I: e( l. [4 c5 t4 Z7 V$ t- X& V - delay(300);) K$ K7 @* J! e& i" ]/ ~
- Serial.print(".");2 u" B0 k V8 c0 w h8 S
- tryNum--;4 `4 i* q& G+ u5 j. q
- if (tryNum == 0) {& S: Z) j; X _$ y
- // 1min1 t" u* i- q2 {: w
- // ESP.deepSleep(60e6);: A" h# m0 Y4 i
- ESP.deepSleep(0);5 [" T% y" E9 s4 j- x0 B- Y {
- }
. k, G+ K+ @, C) f/ i9 V - }) M8 C D6 |4 R
- Serial.print("\r\n");3 I; W1 J3 u, N( W% X* w" ^
- digitalWrite(2,1);
, o/ V3 F0 X1 `" Q - Serial.print("IP address : ");
6 ^: A- E# P7 V" L. V: Y- A - Serial.println(WiFi.localIP());
; N7 I/ q( C, U! b5 ~ - server.on("/", HTTP_GET, [](){! m. y. o& d# T) e: ?3 d
- server.sendHeader("Connection", "close");0 s1 k/ y; S8 {/ j6 I
- server.send(200, "text/html", serverIndex);
, i/ n7 W o* T) K( ]! a6 R - });- h5 W* U4 U% c4 ]; w1 E. u% _
- server.on("/update", HTTP_POST, [](){0 `7 Z/ z( {& F' q7 N$ b
- server.sendHeader("Connection", "close");2 \2 [0 u+ H8 z9 h
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
% s. I8 t6 |1 L# ] C. | - ESP.restart();
/ ]- E4 N$ R. r# s' ^* B - },[](){4 v3 f& E' B# V
- HTTPUpload& upload = server.upload();6 U2 f! O% @6 j, `3 u
- if(upload.status == UPLOAD_FILE_START){7 M/ V0 J* A/ r1 M' }
- Serial.setDebugOutput(true);: g! j5 y% ~* E% e" q# [; T# w
- Serial.printf("Update: %s\n", upload.filename.c_str());- s# M" C5 R& G4 @& H D
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;8 @& Y$ y! B9 P3 S9 L1 k |" O$ c, G
- if(!Update.begin(maxSketchSpace)){6 |. o( x5 J' W3 A
- Update.printError(Serial);
! v) g; \& J* ~5 ~7 k - }
p9 K1 r/ ]6 e' _7 l - } else if(upload.status == UPLOAD_FILE_WRITE){# ?# ~+ A) r2 B- G+ ?* ]# T
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){. ]: `8 R7 f% b& }/ ?0 z8 x# r
- Update.printError(Serial);
: K1 w7 d" r9 I, q$ w- q6 g - }% {2 H) a: P9 J& v n
- } else if(upload.status == UPLOAD_FILE_END){' g/ N* s: {$ ]$ `8 |0 C
- if(Update.end(true)){1 `4 }+ U& @) w& m0 ^/ I6 {/ k
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
7 U4 n+ z+ N {/ P' Q5 _3 x - } else {
; L3 @* j8 _7 T8 O - Update.printError(Serial);6 s9 o% T4 b4 l+ ^1 q( j
- }* z" k+ G5 _( S; d: A0 _ |
- Serial.setDebugOutput(false);: e+ \0 ^, S- g, G3 a4 j. y; M- m
- }7 m6 z# G5 @' f- m ?( L$ M- S
- yield();4 b' V9 c, t4 r* I: u* a6 l3 r
- });% q1 U2 j9 V% E; z9 Z8 w
- ! B- q1 A0 X, d: _4 @( Y% e
- digitalWrite(2,0);
* v1 D- m. O* X+ }' _ - mainAction();9 o4 ~+ `, Y, A7 n
- if (digitalRead(0)){
) H# i* U/ K- z+ @: [9 G- q) _ - ESP.deepSleep(0);( L: {9 H' D; i4 {, ~% K( Y
- } else {
# K1 ]! R1 P9 U" ~ - server.begin();8 _- U6 O* n& @% {* T$ H( y
- }8 V7 p2 j: u G; I' O+ {! q% o
- }
& e F6 ?8 H5 J5 A* W4 Z9 h* ~2 L8 V - void loop() {: W S8 O g, V; t* I: O, `9 w8 E5 z0 `" x
- server.handleClient();
& A) Q+ m: m4 U% Q - delay(1);5 m8 K6 @5 c2 v/ j/ n' V
- }' u; E/ l4 W7 R2 H6 |
- String doGet(String url){4 ]5 J; S$ [: { L3 `
- if ((WiFiMulti.run() == WL_CONNECTED)) { c/ a2 i! y1 U3 I' o
- HTTPClient http;# a; h8 T1 Y& I0 \8 S7 a$ _
- Serial.println("[HTTP] begin...");
) a" }+ J* m' L1 r4 |& o" T - if (url.startsWith("https")) {
$ l" M) O) m. k& g' m! Z' R - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");' y4 N7 `6 N* z1 x+ Y$ S2 B+ @5 v* |
- } else {
i1 m/ q+ w2 d7 |+ m% A7 W - http.begin(url);# ?5 N8 O; D, ~: `& m V" M3 ~
- }
; c! t9 K+ K& b1 l4 W$ [: D - Serial.println("[HTTP] GET...");$ f m; o( H; I6 m! L
- int httpCode = http.GET();2 d# ^) ?! b( J3 v- o; k& c3 M
- if (httpCode > 0) {
. F! e$ C: Q' h, L$ y2 G - Serial.printf("[HTTP] code: %d\n", httpCode);
& @. ^6 i3 C! b- Z3 ]: |0 |$ l0 w - if (httpCode == HTTP_CODE_OK) {
" q7 W0 E% X$ r a: C - String payload = http.getString();; B/ {% N( r6 i* j
- Serial.println(payload);
0 Q: P: V$ ~7 D8 r# Y - Serial.print("\r\n"); A) S9 p7 Q1 W, ^
- return payload;6 N9 q( ^! B5 _' \& }
- }
& F2 ?2 L9 J: x - } else {
& \9 S6 ^2 L; \6 L& p1 _ - Serial.printf("[HTTP] GET... failed, error: %s\n",
3 {) {/ z# J; h8 I( |; _/ l; t - http.errorToString(httpCode).c_str());+ ~1 E( `3 v( l
- }0 I" O b* Q: g1 ]
- http.end();
_, I3 U$ v7 E - return "";
3 Z0 o7 R n# o+ S' g7 r - }1 J. X; u: `% ^- C; k
- }
3 p6 V0 p* I6 K+ v4 H* A - void mainAction() {
5 f& D& Q+ |- j3 D0 e - // 发送请求5 C; j, r* ]6 I6 b, q, x4 q
- doGet("http://google.cn");
8 L! u9 C/ Z! a b. p( |& k" i - }0 z- r e! [" u7 @3 P+ x* S( |
复制代码 |
评分
-
查看全部评分
|