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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)) c/ }3 f2 I$ w) i& Y9 L
- #include <ESP8266HTTPClient.h>5 R3 Z1 R3 M$ |8 g
- #include <ESP8266WiFi.h>
. F$ F0 Z3 u) C) P* a. j2 E. F - #include <ESP8266WiFiMulti.h>/ ]3 ] H1 \( ]9 e7 |0 D7 J
- #include <ESP8266WebServer.h>0 S7 W( u# g. I# L a1 k
- #include <arduino.h>: M3 w4 J) M. { Y2 }: {
- ESP8266WiFiMulti WiFiMulti;# }6 v( s4 i, T3 x# f1 d. D* b) z
- ESP8266WebServer server(80);6 M! j+ T5 f' O
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";9 L, ]/ X3 |5 m3 D& {
- ADC_MODE(ADC_VCC);4 R$ S- i, h0 O1 [6 u6 e) s
- void setup() {# s6 c, P+ t1 b1 {0 I
- Serial.begin(115200);
& }! O; z# C0 C, n- L - Serial.print("\r\n\n");
+ z; ]0 W# f1 A: o% B - pinMode(2,OUTPUT);
}" z6 G ]4 t: F: l$ X8 y - // WIFI
( t; A& @- N- T L8 r: ` - WiFi.mode(WIFI_STA);$ Q8 B4 A' ]9 }: D; u" V" w4 j
- WiFi.hostname("Sparkle");( B% I% Y) n7 ~. J4 f' t
- WiFiMulti.addAP("wifi ssid", "wifi password");
?% {. A a/ j" }) A H$ Q - int tryNum = 15;
- b+ Y% L7 u% K6 R" U! v0 d - Serial.print("Connect WiFi");2 ]0 [+ e) E1 N& w
- while (WiFiMulti.run() != WL_CONNECTED) {/ L2 r' P! F. q3 j
- digitalWrite(2,0);- b8 D- K" o8 o; `' t1 I
- delay(200);% t( F0 I7 O/ |9 i6 t" V
- digitalWrite(2,1);
. s. @* A: g) N9 R2 ~ l - delay(300);
! Y1 D7 t' r7 ~9 Y5 o& c6 H - Serial.print(".");, d7 _9 d n/ L/ ~
- tryNum--;
1 O0 O' Y+ D1 d- \! M% I9 X$ G9 i' C - if (tryNum == 0) {7 ^8 H- @8 C. N1 U( K! K; P
- // 1min# o1 P- i# l) g! t0 k' t
- // ESP.deepSleep(60e6);
Y# ?/ y* ?: Y. t/ B - ESP.deepSleep(0);2 g# W3 ~* Q8 C' ~
- }
" v& C' N2 Y1 E) C - }
, q& x0 [- i' L5 {! u - Serial.print("\r\n");
! U$ H7 w# n; K( i3 U3 v# x - digitalWrite(2,1);7 F- j0 w" t2 o9 x9 a
- Serial.print("IP address : ");' P2 ]2 b8 S) U! o* k9 ~4 Q6 F
- Serial.println(WiFi.localIP());
, A( q/ H" U: ?4 k" m& d! N - server.on("/", HTTP_GET, [](){3 W$ `+ k" j$ X" D4 o1 w: }; ]* R
- server.sendHeader("Connection", "close");2 p9 P9 N" {+ |# O$ a( F5 b
- server.send(200, "text/html", serverIndex);
6 m* Y$ |4 {) {, F- J6 X# L - });1 c2 u! B6 q9 a) g- x
- server.on("/update", HTTP_POST, [](){# I. _* t9 Y: F" f
- server.sendHeader("Connection", "close");$ e! c8 \: h7 B- a& M
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
; J% H" e- j0 K* k1 {- c& P7 f - ESP.restart();
) J9 N, I- }1 D6 z0 D - },[](){
. v8 y! N' V6 V8 F - HTTPUpload& upload = server.upload();/ q( A A( u+ z* G' W# i
- if(upload.status == UPLOAD_FILE_START){/ n( L7 S# c( m$ g! T+ a) e
- Serial.setDebugOutput(true);
- d: x/ I" G" q3 u7 ^3 p! C6 t - Serial.printf("Update: %s\n", upload.filename.c_str());
6 }4 a9 Y- n3 @0 V" M3 F - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
8 s ~! J6 L& c2 s2 Y/ w - if(!Update.begin(maxSketchSpace)){1 k2 q) N8 m3 H- ~/ l) V
- Update.printError(Serial);$ G( _, E7 \- D5 ?! {& b
- }+ T# V8 a* P! D a' D6 k
- } else if(upload.status == UPLOAD_FILE_WRITE){/ T+ H7 X \/ D- ^! a0 z
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
( m7 }" b2 P3 P& y$ _5 W - Update.printError(Serial);( E, y2 }- v: }9 W+ K6 R
- } `+ f/ F2 f W. R
- } else if(upload.status == UPLOAD_FILE_END){3 L4 h$ k; ^( {
- if(Update.end(true)){
7 P, n Z0 v/ f8 X# R; b - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
9 {$ C% F7 ~7 M" R0 A# r' d - } else {
8 o3 L1 I( F9 y* c2 y, [. n - Update.printError(Serial);4 L" V7 T) A2 u* A( K
- }
& M, q: j5 Q1 T2 [ O - Serial.setDebugOutput(false);. q0 o! G; f3 H& w
- }: {' a6 l! P E# l) k
- yield();
! ?/ ?) u6 |% T- ^3 ?8 q - });7 u5 d1 c2 {: | t6 M
-
# {2 N! @, S- o: A% z - digitalWrite(2,0);
" A0 L8 Q, X9 Y- U+ b' j& u8 l - mainAction();# Y/ n6 m o1 B1 A0 N3 q/ o
- if (digitalRead(0)){* y; L% ^$ f( e$ v. A
- ESP.deepSleep(0);+ i' z# W5 }7 Z) W/ X+ Z
- } else {
* G! p$ z- {9 E# m; x5 | - server.begin();+ O' h# M8 w/ F8 _ x u6 b
- }
" r4 ~8 _9 }9 V' x; c/ h* H6 B - } B* t1 Z0 n5 O4 k4 t
- void loop() {
, H; {6 d0 l$ l9 L( M8 z - server.handleClient();. r6 {. z- c( I5 K" X& L; ^
- delay(1);: p5 q9 o; a' g; l
- }
a. g0 g: d+ w d' X; r - String doGet(String url){4 q4 E5 V9 `$ g' n: \/ O, t T6 R
- if ((WiFiMulti.run() == WL_CONNECTED)) {; Y0 \' Q; w9 {1 Q5 ?
- HTTPClient http;- N) M5 v6 R6 q" a6 }0 y
- Serial.println("[HTTP] begin...");5 w- I# F5 w8 k
- if (url.startsWith("https")) {
; z7 F0 H$ l. p. a - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
3 g6 w X7 d" h: k# ]- w% U - } else {
( h" ?+ Y4 [, u6 ~ - http.begin(url);
: P' h' k7 y6 a - }
! s+ P- a: o$ {% g - Serial.println("[HTTP] GET...");6 _, p i: w0 P6 f" B& M1 l+ L
- int httpCode = http.GET();
- K% _7 [* Q. {) }6 d/ ^! C - if (httpCode > 0) {
6 }2 b9 h: j( Z - Serial.printf("[HTTP] code: %d\n", httpCode);
& H/ u, P. Z0 s9 w" s - if (httpCode == HTTP_CODE_OK) {, F7 H7 R9 S- m1 B& ?6 }8 L& e0 ^# p6 l
- String payload = http.getString();
' S ?2 ^, m+ L* x* g. Z - Serial.println(payload);
. ?9 Y8 c) @) M8 n4 P7 z - Serial.print("\r\n");
! ]! P+ X& ?$ n Y# b9 }& r - return payload;
5 m2 m! L4 R; I5 g Y: ]$ \/ k - }* b8 T9 A( ^( h
- } else {
& Z: o% A1 R- R4 b0 x" j - Serial.printf("[HTTP] GET... failed, error: %s\n",
. v8 y* }/ G" x& \3 O* D+ F - http.errorToString(httpCode).c_str());
5 X& L9 J, t- c- O - }
: r3 |9 `. s& ~' r - http.end();
A& H/ [' s2 m: A - return "";! h5 N9 `+ @/ r$ I8 L
- }
/ Y# N" `! O6 z7 {% A0 |# f; t - }
, N3 x" B& c1 n% M6 y) [ - void mainAction() {
M+ V0 Z' s2 Z% g2 [* G4 F - // 发送请求* I1 T8 \4 u \
- doGet("http://google.cn");3 s! F. S( @' Q0 D' q3 H/ `+ _
- }
; S, Z& v. {$ @/ v1 ~
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