|
|
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)
' f7 d% v ~# F% z, P) D. ^' J- #include <ESP8266HTTPClient.h>
+ x. B& y6 E! o2 \* K6 b: Q8 L - #include <ESP8266WiFi.h>7 A3 [* f& w. m* O/ k
- #include <ESP8266WiFiMulti.h>
3 V0 R; Z0 f/ a/ | - #include <ESP8266WebServer.h>% ^* v% C/ P" h9 }
- #include <arduino.h>+ V/ l* v$ b9 v) a; h
- ESP8266WiFiMulti WiFiMulti;
/ q( {1 `9 m& P/ v) o# S; Q - ESP8266WebServer server(80);4 P6 X7 D: w0 E& M9 v
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
& G/ F1 G9 M' G( h4 j& Q1 C - ADC_MODE(ADC_VCC);
8 M G a. ?& o - void setup() {5 u, m/ \! r* S4 p! i5 K, v4 P
- Serial.begin(115200);
- P* G7 V7 v. F9 |: n. D+ b, v P: a - Serial.print("\r\n\n"); X3 ]/ d* K- ~8 T
- pinMode(2,OUTPUT); x) F# g5 n/ g* e# E: O
- // WIFI
; V. r6 D! ?6 c# b Q% T - WiFi.mode(WIFI_STA);
" d' v& d9 T) g6 J - WiFi.hostname("Sparkle");
% S: L L" C" v: h# p - WiFiMulti.addAP("wifi ssid", "wifi password"); g: H: s$ I8 a) }0 j
- int tryNum = 15;
7 y- c8 @1 D# b6 }2 l5 r. b/ T - Serial.print("Connect WiFi");2 z4 \2 B. R: \1 ~. B" \/ V( _
- while (WiFiMulti.run() != WL_CONNECTED) {
$ Z0 d7 y, n! L& V' a V - digitalWrite(2,0);
0 h! _$ N! I1 ?( h - delay(200);
% q# s1 R' p, \9 t5 R - digitalWrite(2,1);( R Q& |5 e$ J" O
- delay(300);8 k( \' Q" ]; o' G
- Serial.print(".");/ }% \8 |- M! Y% w: U2 O( X
- tryNum--;
}% V% n4 W1 V( d* U0 N% k - if (tryNum == 0) {' _7 k: S) P! t( i2 b9 f, W) p
- // 1min
6 i b$ f- ]) x& K. s - // ESP.deepSleep(60e6);
- u2 }1 p5 k$ A3 L. x - ESP.deepSleep(0);
' Q" [" Z8 W% j* v, E - }' d, d7 {0 E6 a' J- T
- }
5 I" T- J& K6 }) I0 }+ E+ | - Serial.print("\r\n");7 _# ?# ]5 h0 A( s" X. K+ J( F* L
- digitalWrite(2,1);" A8 P& W% ^9 R' G( J9 F
- Serial.print("IP address : ");
7 [+ L; C( u. n- {) P - Serial.println(WiFi.localIP());, ?) L! K n0 Z, W( `4 Q5 x( ]
- server.on("/", HTTP_GET, [](){
8 Q9 z: u6 c F - server.sendHeader("Connection", "close");
) l' s [3 d4 J! V9 q( k/ R( K - server.send(200, "text/html", serverIndex);, Y6 t" d e* b) y! c* w2 p4 h) B) C
- });7 Y) ^( H0 h! I! A' i5 o% l, N
- server.on("/update", HTTP_POST, [](){3 Y* N7 ]% m9 m7 L5 c* w. `$ B
- server.sendHeader("Connection", "close");' O5 N! r' h1 V# J/ e; ~- o8 G
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");, b* \- A5 w6 _$ M* R$ ]2 d, P/ D
- ESP.restart();
1 M0 V/ P8 b& H! b - },[](){
- V( H$ x7 L, P( t - HTTPUpload& upload = server.upload();3 }$ w ~7 r. c R
- if(upload.status == UPLOAD_FILE_START){
R1 L9 J& S: A) l$ `& f - Serial.setDebugOutput(true);
7 U' W3 ]) C( f4 i% f- c8 c( S1 _- ^ M - Serial.printf("Update: %s\n", upload.filename.c_str());
, e6 {$ f( i3 S - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
! h; z9 \ O+ u6 w% Q# S7 j - if(!Update.begin(maxSketchSpace)){, a" d2 y& ?7 P, H- H7 m7 c g
- Update.printError(Serial);( O8 H( A+ e7 g: y
- }! _9 W. n @& |
- } else if(upload.status == UPLOAD_FILE_WRITE){4 y3 l* y6 n) k B+ X6 ~* h( ^* k
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){ G& |2 d3 Z" K/ X' t
- Update.printError(Serial);
* L2 O2 u% J4 p \ - }
9 _. I5 z2 Z$ r7 |% ?4 P; ^ - } else if(upload.status == UPLOAD_FILE_END){
4 ?) B( ]( l8 C8 l - if(Update.end(true)){
) W8 w1 E: y! B% \5 S% R' z - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);+ M1 u4 q* [. H* I
- } else {
; T0 s1 r* [% w2 p2 K% g - Update.printError(Serial);
7 z2 O9 l0 X3 ^ - }
8 m- Q/ T5 u7 n7 v - Serial.setDebugOutput(false);
& ~7 f' t' b7 o* W% A' x4 z - }
& L% d) d9 z0 d0 J - yield();
) Y8 ]; G) |$ a8 s8 w+ v - });, T8 @4 c1 J0 H) z, J
- + X; r& }; a% o7 A/ I% R7 l8 L: X
- digitalWrite(2,0);/ X9 B& o6 g, s
- mainAction();
3 @6 Y, F6 d5 M - if (digitalRead(0)){1 a' \: s( F4 R; `
- ESP.deepSleep(0);+ A# ]3 y/ I) t" N9 r/ n
- } else {6 }3 g: l- }0 N- I, i' k
- server.begin();9 Y0 v$ H; g4 X
- }2 x+ a" }* z. Q+ P& k
- }+ E4 F9 v9 u* z9 ^9 L6 {
- void loop() {
/ f. D2 Q$ `6 H0 i - server.handleClient();% z7 {% t+ [. Q: w' T
- delay(1);6 ^0 I+ L- Q w# V/ ]# ^
- }
* G: X6 q. X L8 S/ d* b3 S - String doGet(String url){
: n. \, [+ b5 C0 M% n% ?/ L. ` - if ((WiFiMulti.run() == WL_CONNECTED)) {
* k8 R) k$ C# _2 f6 |/ g( g5 D1 c W - HTTPClient http;
" f% ?5 ^; G4 T: J9 w+ G. w - Serial.println("[HTTP] begin...");
3 [! E$ W& M. L4 n- V1 R/ F - if (url.startsWith("https")) {
/ Y0 e4 W0 E- P, J# l) ? - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
8 M6 \: @- o* \( }7 v - } else {0 w+ J' B/ T y0 |; ^/ l5 g
- http.begin(url);
% V$ Z3 }/ x/ U - }
6 ^/ r' q, z- g* d - Serial.println("[HTTP] GET...");% H" h9 C3 ~. _' D7 a
- int httpCode = http.GET();1 c% G: Y) B0 |
- if (httpCode > 0) {
% p3 e% l% `. H% g& R6 p - Serial.printf("[HTTP] code: %d\n", httpCode);( p5 v$ f7 V( u5 `9 T
- if (httpCode == HTTP_CODE_OK) {; l& r5 ^% a8 u6 ?
- String payload = http.getString();
+ |4 L+ r- Y& i) b - Serial.println(payload);+ j, Z1 k7 d- U+ N! z
- Serial.print("\r\n");7 i1 N$ u. F5 o
- return payload;$ e4 A! {+ X& |2 T3 R# i
- }
, H" ~0 ^- B |: |! P3 ~ - } else {
" T/ w U9 ~+ A0 I$ Z$ P7 {6 L - Serial.printf("[HTTP] GET... failed, error: %s\n",- f$ B F4 q0 f
- http.errorToString(httpCode).c_str());
" V! {) g0 y/ j5 ?& t( Q0 F - }
" X4 G8 E7 F0 ?5 ] - http.end();
% P6 S+ G& A! |5 d) W: w1 I+ ^ - return "";2 I5 C: {; ^# C! J4 K6 J3 ?
- }" M- ^& |4 _/ @. D
- }; Q0 h6 |0 r8 n
- void mainAction() {
' i/ {8 m" M, w - // 发送请求- `* X# d4 j' @4 I9 ], M
- doGet("http://google.cn");: r* \! _7 l7 ], M. d" r
- }' H1 |/ e3 T; ?! j4 I
复制代码 |
评分
-
查看全部评分
|