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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)
) Q0 G& j, [" v, @/ k& J- #include <ESP8266HTTPClient.h>$ m: V7 K. G" l/ n$ J
- #include <ESP8266WiFi.h>7 g3 S% }4 u3 K) h9 j
- #include <ESP8266WiFiMulti.h>
7 u) J" V H( x* Z - #include <ESP8266WebServer.h>5 q3 f% u0 K4 ]# I7 M: S- r& a
- #include <arduino.h>
9 p9 Z* y) X; J9 ~ - ESP8266WiFiMulti WiFiMulti;" ^0 V6 {+ y/ F' R
- ESP8266WebServer server(80);, J3 L1 {: f- U: X. F4 [
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
+ w6 _* A6 h, t - ADC_MODE(ADC_VCC);
0 i8 o& B& S2 N: h4 P0 |* M5 ` - void setup() {
( l" M+ {9 F* ^/ x6 f, b - Serial.begin(115200);% \/ i- ? i. A
- Serial.print("\r\n\n");
, x4 d! a* |$ Y1 C) U$ T - pinMode(2,OUTPUT);
7 h; O5 L2 [! P8 @5 e - // WIFI
5 Y# H; J/ [' f, ]4 [# i. @ - WiFi.mode(WIFI_STA);/ {2 A# D! b3 I) w7 N( o, o
- WiFi.hostname("Sparkle"); w0 Z% {& A# c6 {* J
- WiFiMulti.addAP("wifi ssid", "wifi password");% v+ ]! K' E: F( ?# _
- int tryNum = 15;8 c/ S: O0 ~4 x' Z
- Serial.print("Connect WiFi");" L+ \ x. K+ I- w1 L9 P
- while (WiFiMulti.run() != WL_CONNECTED) {
# L$ d1 ?0 p% G3 p) q$ O T - digitalWrite(2,0);
9 g4 X7 s* g: H, |( {' T# `8 h - delay(200);
% K" }8 Y% J) H% A9 {; ~; R5 i; V - digitalWrite(2,1);
6 |5 t: m* A1 U7 I( \( f( _ - delay(300);; O B7 d& \* _. R% h
- Serial.print(".");
4 ~. u2 A+ e/ K& Z+ h! C3 C& L9 t - tryNum--;
$ k: r: b1 n! Y* l - if (tryNum == 0) {9 T# P4 l( p6 g7 g5 H
- // 1min/ Z: ^, C8 L; k# ^) v) I# {
- // ESP.deepSleep(60e6);
7 x7 L' d( |, R2 r/ r - ESP.deepSleep(0);
d- s7 Y7 ~ l4 l3 c/ p f7 Y; y - }6 H p2 q) O' B9 G* O+ {
- }! @- Q5 U7 g" l9 C# G z0 s; q) D
- Serial.print("\r\n");$ ^ c. W: ~( y2 N7 b% ^
- digitalWrite(2,1);
" X& S& t. @% Q& { - Serial.print("IP address : ");
1 u$ a9 A- ?6 ?* Z - Serial.println(WiFi.localIP());, L! q- i3 x0 k/ R6 C4 C+ Y& ~
- server.on("/", HTTP_GET, [](){
' ~0 k- _2 s# w2 ~; ?7 S, o - server.sendHeader("Connection", "close");
/ q) e/ q& K' R - server.send(200, "text/html", serverIndex);' F. g9 n3 S# b* O; f9 w m, c
- });; A2 {2 E8 ?9 U- m) z9 i
- server.on("/update", HTTP_POST, [](){
: k6 R: a5 C7 ~; N7 J - server.sendHeader("Connection", "close"); V/ m8 X6 Z' }
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
% J) q8 V$ R( n: J/ }, z! e" y - ESP.restart();
7 K6 k4 b3 }' d - },[](){9 u# k' f( ~2 U
- HTTPUpload& upload = server.upload(); B& D. d( G! k0 m0 \0 S) ^
- if(upload.status == UPLOAD_FILE_START){, D. n [5 ~0 G+ u
- Serial.setDebugOutput(true);
, C, Q- ^1 q1 X2 n: C+ Y - Serial.printf("Update: %s\n", upload.filename.c_str());3 G" J2 g/ d0 g' ^# _8 {" U
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;+ W2 r% H/ f) r1 T9 q7 _
- if(!Update.begin(maxSketchSpace)){0 J9 U- E; T8 E7 n: ?, e5 C
- Update.printError(Serial);
% d! M. ~1 s* m - }! n8 q, v, ?! a7 \' z
- } else if(upload.status == UPLOAD_FILE_WRITE){1 L5 x8 F8 e( a, Z
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){$ M3 N- c# N: Y* F! S6 i
- Update.printError(Serial);
; K$ i: v) P9 B9 @1 E - }# x" J0 j% h& S) \8 a
- } else if(upload.status == UPLOAD_FILE_END){. R- {# ^9 {3 U! W% A- g- [0 O. K! ~4 S
- if(Update.end(true)){6 s6 t" ^" L, V3 s: Y
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
9 z# P9 r, {9 [- L6 _7 v+ Y - } else {
: Y7 O- Q, J/ C; w - Update.printError(Serial);
5 x1 G2 b$ G1 b; r! M- b5 t* V; `1 n - }, }2 T& {0 U. `! Z, J$ ]3 `3 l
- Serial.setDebugOutput(false);+ v8 Q/ D& Q$ }" P( C+ K3 X0 ~% k
- }$ s) ?2 r7 e' U& G3 \: l: E
- yield();
% I: f' r' I# Z4 A' C/ U0 U - });" A' P& e6 ^/ H7 O
- 2 j1 E8 D# h* t. ^+ g
- digitalWrite(2,0);, w" V+ A% D, y0 p
- mainAction();% v5 N. J p8 I' ]8 U
- if (digitalRead(0)){; z- D: E+ j1 L( {+ s Z. |% W* V
- ESP.deepSleep(0);
- e7 B A9 z" ]: K$ y4 Z - } else {& C9 w3 H+ l* \5 C# M; I. d
- server.begin();
! N4 K- J8 W( l( v8 F - }
4 j9 p3 H7 j) U( C* O- v - }/ ^6 ~; I, r5 p+ h, Y6 q7 W
- void loop() {
* O$ d' \+ f3 G0 S! j - server.handleClient();+ s [" i6 h+ C; v2 r1 U
- delay(1);
V7 t2 ]! M/ r. L! t - }
' _; R9 \( Q4 K4 \ - String doGet(String url){9 y- G4 j5 d0 }. O; g
- if ((WiFiMulti.run() == WL_CONNECTED)) {
4 P) Z4 r! A; P1 d: \ - HTTPClient http;0 x# o' R4 P4 u2 V
- Serial.println("[HTTP] begin...");
( q( E6 d! ~, H- e) M& C' X# X$ M( { - if (url.startsWith("https")) {
# e2 P ~6 W* J+ _( p5 C - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");& A0 L6 e! ^# U& @
- } else { B' o$ a: `* D0 }% |
- http.begin(url);
! p* d) o6 V" D7 s2 ?! g9 x - }2 _ P' ?6 d2 ?
- Serial.println("[HTTP] GET...");
$ y( f( w- o x" g, @" [ - int httpCode = http.GET();( |3 |) V$ b5 E) Z; R) a: A4 r
- if (httpCode > 0) {
" ]& f7 N: l$ H& e9 t - Serial.printf("[HTTP] code: %d\n", httpCode);
: z: n: O s% A0 K% |9 e$ o - if (httpCode == HTTP_CODE_OK) {
' d; q7 d1 k' k' V' v1 j - String payload = http.getString();
6 E, c4 C0 V T5 S) t: v - Serial.println(payload);
1 b6 [" `: C$ H8 t! f8 m, ? - Serial.print("\r\n");
9 C6 m1 C: B2 w4 R' X - return payload;; N2 E& u6 v: Z# {2 f, ]
- }( o* I* P. Q* ~' |' C4 y
- } else {+ H. `' V9 C' G
- Serial.printf("[HTTP] GET... failed, error: %s\n",1 p' c$ R- p# ]6 a/ M7 f$ [, l
- http.errorToString(httpCode).c_str());! w1 v, q$ X9 |4 w' \
- }
. ]8 n7 H, C; a6 T/ z6 p# S - http.end();$ C0 A* q- n1 e- l' J8 u8 j
- return "";
) p ~1 @6 ^+ u - }9 u# Q" E! M3 X* P( p; p
- }
9 l3 S+ }5 \/ Q0 p v - void mainAction() {
. M, L4 h6 Z# Z& Z - // 发送请求
, W) F- a A: U/ ~; h( Z - doGet("http://google.cn");
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