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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)
0 ~9 l( |$ d. Q8 t4 y- #include <ESP8266HTTPClient.h>9 C+ v+ P f; M6 V+ d5 [' j% B
- #include <ESP8266WiFi.h>6 _1 ` B; m. q- M6 q5 }" }
- #include <ESP8266WiFiMulti.h>" U& m. x- D0 _# n/ E, X) y
- #include <ESP8266WebServer.h>, y$ d7 q5 [3 g
- #include <arduino.h>
6 v# t8 g$ n' I- j( f% `+ H, E - ESP8266WiFiMulti WiFiMulti;* o$ }- {! }5 L) e) |! ?. i7 X! ]( P
- ESP8266WebServer server(80);- ], M1 j9 r7 k: j `& F6 v
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
D5 q: w s5 E a- N, b( f - ADC_MODE(ADC_VCC);
$ U7 g4 e3 V% { U6 O: t - void setup() {
6 R" \/ \: M! _8 x- C( N1 R* U - Serial.begin(115200);
6 N0 s$ ?- b/ C- {; y: g - Serial.print("\r\n\n"); x3 M2 M2 Z- J9 G. x! U
- pinMode(2,OUTPUT);+ d) e! h: n( X
- // WIFI( ^. D8 N9 z) A
- WiFi.mode(WIFI_STA);
. M, \- h+ U- P0 g% y - WiFi.hostname("Sparkle");
1 r) C, t6 s5 i" k/ O' @) I - WiFiMulti.addAP("wifi ssid", "wifi password");! }& X1 q( K& j! c; }% R
- int tryNum = 15;
, f6 ]" t+ z( j: L- h. x - Serial.print("Connect WiFi");
; `4 [* f; {+ h - while (WiFiMulti.run() != WL_CONNECTED) {$ e6 y6 b6 l$ Y1 Z. l z% V% C
- digitalWrite(2,0);6 R! n- H1 C* z; ~* M) t2 [7 }
- delay(200);
$ g. u1 ^6 o. B+ n, W o - digitalWrite(2,1);
2 M) g2 U$ |+ V/ i7 Z9 B/ s% ~ - delay(300);
& C w9 O5 R6 k6 _& E, z- J - Serial.print(".");5 e4 V& p9 I8 H1 [3 L
- tryNum--;# N2 z# Q9 Y6 n3 X u+ ^
- if (tryNum == 0) {8 n+ A/ s7 `# R2 r6 a
- // 1min
4 f; p' u0 o4 }0 j, f- } - // ESP.deepSleep(60e6);" h" a' s" b3 f' h
- ESP.deepSleep(0);
. m* G( w- u' } - }8 }+ @! d. R) f
- }
& m7 M1 P1 ~1 ~0 z - Serial.print("\r\n");0 K; D0 ~- j, `5 ~4 J* k
- digitalWrite(2,1);
7 N) }% z0 R8 |) |, \% l8 Q% e5 i - Serial.print("IP address : ");& a. o. y3 l$ \$ n9 V. X9 N( l% m
- Serial.println(WiFi.localIP());
3 g+ S6 p% c h$ k - server.on("/", HTTP_GET, [](){
: P! @" u d7 U4 H5 T Z% t' f - server.sendHeader("Connection", "close");
; l- J/ A: w, {1 _ - server.send(200, "text/html", serverIndex);! L$ T0 b0 e, A* V
- });
: ~ o0 N; Y5 @ - server.on("/update", HTTP_POST, [](){
* \& Q" `" G: V+ z! m- t - server.sendHeader("Connection", "close");
0 F$ W Y8 q9 D7 v' |$ [6 F1 w7 Q - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");7 K& f5 r0 n- T0 A9 }/ X
- ESP.restart();/ }; f$ g0 ?( `. Y( q! s
- },[](){
1 V2 G3 A$ B, @ q! N - HTTPUpload& upload = server.upload();5 u& l d, S8 r- t) q
- if(upload.status == UPLOAD_FILE_START){
! l% `7 M8 C. h2 {: Q$ q" W% Q - Serial.setDebugOutput(true);
5 d @& f% k$ f: ]/ V7 F' e' n( g - Serial.printf("Update: %s\n", upload.filename.c_str());
e* X$ H4 w% q: k% ^ - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;; S+ r' b3 N; y8 H
- if(!Update.begin(maxSketchSpace)){7 Y( h* i; h+ ~ Y# z" u: ^ h
- Update.printError(Serial);& W" {* A' |0 b4 p [5 q' A
- }
: p5 M0 E! g; L8 E - } else if(upload.status == UPLOAD_FILE_WRITE){
3 h$ k0 j# l5 \" X - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){! d5 P( A3 n6 S7 w$ C& ~
- Update.printError(Serial);
) H7 Y- ?2 @6 e1 V$ a: B - }3 k1 u5 _ i9 A2 ^0 ~
- } else if(upload.status == UPLOAD_FILE_END){
, |3 A7 Z* Z3 O - if(Update.end(true)){" [: |% D ^: f n
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
: f' ~! w0 P* G: b0 ~ - } else {7 p+ H* P5 @: P. D( |/ X r
- Update.printError(Serial);
; l2 H- a# f [% p" E5 o# a - }
~2 J, c$ R1 ~: \9 ~- K% R - Serial.setDebugOutput(false);3 X0 H* S+ _0 ^. q4 i
- }
) U" \6 F4 d+ B+ @ - yield();: w7 J8 C( Q5 L6 [. h
- });3 A' R0 g) Y- t( a% I* c: \
- ' `" D/ Q- A X4 T2 Z
- digitalWrite(2,0);) R+ S1 ^& T2 v+ R7 p; i" A+ `' i
- mainAction();* h! u' Y8 O3 W+ n# ?; a
- if (digitalRead(0)){
' l: j* b* I3 |. }- Z5 p - ESP.deepSleep(0);
9 {& m3 ~! `4 |2 z: |& I3 a2 D - } else {0 u0 h3 k6 a$ K
- server.begin();
- W F/ e: Q: A) E/ ?" e/ b2 k U k - }
, n3 @" {! u) U; o' f6 |9 |/ U4 t - }
% ]' Q) o4 K% k% C( W - void loop() {( m0 x# q7 j8 W
- server.handleClient();
/ R8 b0 m& |9 P - delay(1);1 [/ w$ \, F; C
- }
: l- i" ^0 T1 b6 Y! e/ L! N3 T; w - String doGet(String url){
# Q" y4 n) v" P0 |. n3 \ - if ((WiFiMulti.run() == WL_CONNECTED)) {
* H4 X1 A* }) V& V }, y - HTTPClient http;; u {& u H! {
- Serial.println("[HTTP] begin...");
! D( w; G# f1 f n( C x3 s - if (url.startsWith("https")) {* H! G8 v% g& E7 I4 ]9 w
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
# |$ b6 J' k7 J' C: y - } else {8 z: {0 H! [# b% ?$ y% C
- http.begin(url);; }0 t- F1 w5 g1 \& T
- }
' _! ~' _6 R! @& l6 C - Serial.println("[HTTP] GET...");
6 w6 w% u6 Z6 f; t# f; R - int httpCode = http.GET();7 J! t& F7 ]4 v
- if (httpCode > 0) {9 M/ i5 I4 G# U; d
- Serial.printf("[HTTP] code: %d\n", httpCode);5 O) G% l. e+ ^& |: G5 ]
- if (httpCode == HTTP_CODE_OK) {! B5 f) r6 M! _" o" W4 F5 A1 V
- String payload = http.getString();
& f! T' `' b+ U R& \ - Serial.println(payload);: {0 r( ?0 Y% t( Q/ F
- Serial.print("\r\n");
5 |7 {, H6 m0 u5 W- D - return payload;
. E5 t1 E+ Q$ B1 H - }
" g/ o8 y. J' K$ Y4 e8 `6 ` - } else {
$ G* ^! K8 O0 ~' K% G8 W2 V - Serial.printf("[HTTP] GET... failed, error: %s\n",. K3 }8 _' q/ O- B" |! [
- http.errorToString(httpCode).c_str());$ ~% S' L( t' F8 j
- }
. u7 W0 a: k% k" k7 ^ - http.end();/ v% W3 c- I) w( e: `+ Q0 P( [5 p
- return "";
& v8 s' D; y9 [( X/ B. k. F) T5 v - }
* @0 k( i& a8 I9 T - }
1 [+ m% o1 f" ? Q4 m( s {; } m# N - void mainAction() {/ O" r: o: z4 J! x: e
- // 发送请求1 [. K; ]2 t( g+ K% l3 `; g
- doGet("http://google.cn");' y. K! p/ ] ]/ _# n: W- }
- }
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