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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)7 s& u5 Y! t# N# h; U
- #include <ESP8266HTTPClient.h>
: s4 Q b) W3 T% Y - #include <ESP8266WiFi.h>8 I4 ?# Q& f- P. I" T3 b5 ]( |
- #include <ESP8266WiFiMulti.h>9 ~# j' @" B% C+ V2 f
- #include <ESP8266WebServer.h>
! u) L9 z- a, { - #include <arduino.h>! U/ d. w! X, E( \0 V0 n
- ESP8266WiFiMulti WiFiMulti;/ N' X! X8 w$ G) M9 H+ ^
- ESP8266WebServer server(80);+ e8 i4 s* T" K$ Z- u! ?# b* X
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
# P4 c: W# v/ N7 a - ADC_MODE(ADC_VCC);
6 L1 \' [) k+ Z) b8 z/ ] - void setup() {9 R% M- j' ^# h \0 S, `' |- u
- Serial.begin(115200);" n. m+ R# |; |- o% Y6 C
- Serial.print("\r\n\n");
& b q+ G2 w1 J+ Y5 G7 z - pinMode(2,OUTPUT);) i7 C! R, M8 J
- // WIFI
( o2 q+ C, f, P) _# o( ?7 F - WiFi.mode(WIFI_STA);
2 y4 e! W" }% ?. ~* L8 p( i - WiFi.hostname("Sparkle");1 U7 B Y ? A. e" W+ t, B/ {( B
- WiFiMulti.addAP("wifi ssid", "wifi password");2 Q# ]* }- K, }6 R
- int tryNum = 15;
' B! G+ b {( N1 o. ]3 N$ M5 j - Serial.print("Connect WiFi");( N* w' b! a9 E& W
- while (WiFiMulti.run() != WL_CONNECTED) {
) j( h6 }" Z: K* z - digitalWrite(2,0);
) S8 W5 N! y2 v6 J# [* A4 ~# R5 v4 [ - delay(200);
+ A0 q' O) w1 j9 y - digitalWrite(2,1);
9 J( K( L3 c# J) _ - delay(300);
5 \, t5 `6 k2 \# b6 \- x+ V. g - Serial.print(".");
3 \/ V. Q5 I, k7 l) @ - tryNum--;! l) x# G- T! j, E! Q
- if (tryNum == 0) {
" S) t$ @+ a7 W# A7 e - // 1min
/ c# O$ `8 v6 z5 u/ N$ D - // ESP.deepSleep(60e6);
+ \/ t0 V6 j+ h t$ W- Y: q - ESP.deepSleep(0);( `1 Q+ U* T4 x2 E; V
- }
4 x, ~2 }' |( `5 K& \ - }! D/ [3 s, v- y0 Z1 c. q8 G
- Serial.print("\r\n");
/ X$ g. J* `# `2 G1 q, L9 C2 ~ - digitalWrite(2,1);( ~" u. ]# E. Q' `1 Z
- Serial.print("IP address : ");
" _5 I7 \0 C; u) N' a - Serial.println(WiFi.localIP());' _, E% D3 C+ \! Y* K
- server.on("/", HTTP_GET, [](){$ U0 E3 L2 a2 R
- server.sendHeader("Connection", "close");: j: [! V" b7 ~2 L) C6 C
- server.send(200, "text/html", serverIndex);
2 ]" x# E) q* S- K2 X1 j4 R" [ - });
' R% W7 ]/ a# H; C+ | - server.on("/update", HTTP_POST, [](){( c& m I$ ?0 A7 |
- server.sendHeader("Connection", "close");, k: r y8 T1 Q J; O+ k5 I- ^
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
1 {1 I5 C: _9 \4 D& d - ESP.restart();
; D; ]# c( h4 z - },[](){ H) o( B3 B( g# L
- HTTPUpload& upload = server.upload();
) r2 [2 [9 C3 e M0 P - if(upload.status == UPLOAD_FILE_START){- T, L; `. P: m! U0 O1 e% Y
- Serial.setDebugOutput(true);% T: k" J- w- ]6 ?
- Serial.printf("Update: %s\n", upload.filename.c_str());* X3 z+ R9 Z) k& ^
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;; M0 q0 S' b& z
- if(!Update.begin(maxSketchSpace)){
& A* s: l- R3 J+ W5 T - Update.printError(Serial);4 l/ e3 I1 X0 v( j( Q
- }+ O; K) s+ v4 E. l: z' _
- } else if(upload.status == UPLOAD_FILE_WRITE){
( A1 l$ ?* u0 t - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){' }2 H! ~3 [7 s) J0 ~0 A- D p1 [
- Update.printError(Serial);4 a9 Y4 N' b7 z1 {+ r
- }# l& H4 T) u3 E L" M' I- G( P, o
- } else if(upload.status == UPLOAD_FILE_END){# S7 D) t9 t4 X; | T
- if(Update.end(true)){! V* n0 W3 L4 I9 e2 L( [+ I1 l# K& D
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);+ ~6 l P+ I; X( }0 O! W
- } else {/ q4 ^$ V5 w! j, F4 q' C
- Update.printError(Serial);
+ h9 X1 Y- o7 B. W - }& S/ J- O% C5 k+ P- E; K
- Serial.setDebugOutput(false);- a6 E9 J# T. \ J4 P; a; P; t
- }- b5 {7 S n- E+ o3 I: o) g' ~
- yield();
1 X6 ^+ J3 F( Q r - });
1 Y- n! D& m, b3 P& G+ k* l1 S -
9 F/ ~- N* Z) n* J - digitalWrite(2,0);8 A: i( Z* G/ u5 t0 r
- mainAction();
) a* O; T9 V0 c5 t. e7 x2 O - if (digitalRead(0)){
1 A) H7 f8 R, P6 T# b N4 ` - ESP.deepSleep(0);7 z1 Q: Q) L! r
- } else {$ R% \; Z: ]/ @9 V. o$ G( R
- server.begin();) o$ n4 m" ~5 \ ?& D2 `! l! r
- }
- D( p5 p- h @4 K; R k - }+ U) C- W2 C. j8 [
- void loop() {. A |5 a0 ^8 X2 `4 |
- server.handleClient();2 f) a% w- v. `5 Z
- delay(1); j) L% i! Y" y; T
- }" S& H3 f5 \6 y
- String doGet(String url){
+ R) R E- }% \! x; r - if ((WiFiMulti.run() == WL_CONNECTED)) {* k- \% c+ c+ ~8 P
- HTTPClient http;
: i4 P# f0 M* X9 L, e7 U7 j - Serial.println("[HTTP] begin...");; ?- g3 U5 H- w. M; z# D8 x2 i
- if (url.startsWith("https")) {
8 I0 t& z5 i" k6 W: e - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
2 O$ J9 E. u5 o! m/ b. B! z# r) o - } else {
9 ~4 J8 t& l e8 ?, j, i - http.begin(url);& D5 ?; Z( m( r6 C
- }6 T; d0 A7 {' W" x2 M) v
- Serial.println("[HTTP] GET...");
V" ~8 q, j8 D! t; ~7 l+ k+ W. q - int httpCode = http.GET();& C$ Z! ~2 q: P( u/ @' s
- if (httpCode > 0) {
! e7 j6 c: }# T0 N - Serial.printf("[HTTP] code: %d\n", httpCode);( S9 y: ^9 w& \7 h
- if (httpCode == HTTP_CODE_OK) {
% \8 c1 H# ?% e; o - String payload = http.getString();
8 }& o' A$ B$ O/ j4 p. _9 ] - Serial.println(payload);
, W$ G( a! }% w - Serial.print("\r\n");
. |$ o* ]3 I& e6 r0 e) k" \' b' G9 J# B - return payload;
; J, {3 d4 h/ ?& a, @; c# j8 r - }$ w K1 [. n, [$ Y7 ~+ N! D' [
- } else {- V2 ^ L) Z) r8 V( H' r7 i
- Serial.printf("[HTTP] GET... failed, error: %s\n",, F. O! g5 m V: p
- http.errorToString(httpCode).c_str());
' e, H* c$ [4 L - }
5 {$ d [. X6 L, Z: I6 l - http.end();
2 g% h3 L; _6 n& l, J - return "";
) s7 y1 T' n( E; R. L$ w. A - }
; p3 \0 E% B' n. c# K, I - }
T6 h) d; U: K6 s# I" i% o1 e - void mainAction() {
3 J) x& d" B- `5 u Y2 i - // 发送请求" P2 Q; }/ E. w9 @/ v; b
- doGet("http://google.cn");0 ]- _. P& e7 Q9 m$ e( e9 z' i S
- }
6 b/ l$ P5 s6 B( Z
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