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发表于 2020-8-25 21:17:24
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查看: 4368 |
回复: 3
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), k+ E3 t) `2 j! F
- #include <ESP8266HTTPClient.h>! T6 L" t" \) O2 c" t4 l& f+ j3 N0 v
- #include <ESP8266WiFi.h>: y+ V6 v6 i L
- #include <ESP8266WiFiMulti.h>0 {$ v1 M5 _! t9 p7 W8 Q
- #include <ESP8266WebServer.h>; E$ C0 |7 @- ?
- #include <arduino.h>
. i, g$ h9 `# P8 h - ESP8266WiFiMulti WiFiMulti;, H0 i2 m6 u; Y! j2 j) f# \
- ESP8266WebServer server(80);: C8 E/ G/ ^0 b$ O6 m: U m
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";& X5 w1 S% q6 j
- ADC_MODE(ADC_VCC);9 D4 }8 [% y- V/ b8 P" {
- void setup() {9 O# l# W3 {# L, n) b
- Serial.begin(115200);
( \ n; |+ S4 ?, r5 u6 N - Serial.print("\r\n\n");
# R+ r3 M$ ], y( g! A d3 m6 T" H - pinMode(2,OUTPUT);2 t; y) R9 q1 h8 ]7 w
- // WIFI
0 r: L! s2 D! f$ x* e& h - WiFi.mode(WIFI_STA);3 t1 p) u7 j3 Z. @
- WiFi.hostname("Sparkle");7 e6 Z% M s% s7 H; D1 {' k7 X4 ~
- WiFiMulti.addAP("wifi ssid", "wifi password");! x I7 }' W5 }
- int tryNum = 15;0 \. O4 d2 L1 T
- Serial.print("Connect WiFi");) w5 T9 i1 N$ i" E' e
- while (WiFiMulti.run() != WL_CONNECTED) {
2 S! j* `8 p! s - digitalWrite(2,0);
1 W1 G0 Q1 m# f; }2 }( f; m( K - delay(200);
8 ?5 L! L- w9 `( k! h - digitalWrite(2,1);
) O' ]( J' ~; _ - delay(300);0 V0 t) J, s. j# t; `' o! U4 o
- Serial.print(".");
8 a l$ m1 ?3 J, g5 a8 K/ w) P - tryNum--;
- d' r4 H9 M* f - if (tryNum == 0) {: n: m1 A/ R) U& i: t7 _5 d- ^
- // 1min2 l7 w% r5 \3 c& p8 r4 p5 i
- // ESP.deepSleep(60e6);
( a- o+ |& @; Q' K& K; n" F - ESP.deepSleep(0);
- C% `- s' L5 ?/ G ? - }/ v7 ^; w0 v1 h' t- I; F
- }! B% k) b$ c9 Q1 T9 X
- Serial.print("\r\n");" O' b. b3 N" ?' R+ K4 R
- digitalWrite(2,1);
8 O' o4 q# D6 |. k% b - Serial.print("IP address : ");
( R5 ~* g) N0 ], C - Serial.println(WiFi.localIP());
$ Z. j3 a" m, Y3 O; q. } - server.on("/", HTTP_GET, [](){
7 _6 Y5 v$ F# s N - server.sendHeader("Connection", "close");
0 P& y: t6 o& b% p" p7 ` - server.send(200, "text/html", serverIndex);
& n6 b: V3 O) [' F+ s: ]6 w - });
+ B1 r" z+ e! n0 Y7 `0 k& \3 w9 O5 m - server.on("/update", HTTP_POST, [](){
' v. G# c( z. B8 O' S. ] - server.sendHeader("Connection", "close");
7 J$ U3 q0 a7 f8 W - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");) d5 {% w# F: @
- ESP.restart();
3 q+ k& q) P% w; c - },[](){
, |$ X8 j8 j6 k8 |0 c% W - HTTPUpload& upload = server.upload();
/ g. @4 G0 F. C& v/ e( u0 P U - if(upload.status == UPLOAD_FILE_START){
2 q# o6 w0 @+ _2 z6 R" \ - Serial.setDebugOutput(true);4 {$ e) C( o( g, _6 a# K( \
- Serial.printf("Update: %s\n", upload.filename.c_str());( N4 {5 m* n. M& E
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
3 }, J5 j9 \8 n/ X. d: j ^ - if(!Update.begin(maxSketchSpace)){# w& {5 w+ s7 ^& ]5 y; v
- Update.printError(Serial);; l$ K) z. \/ G
- }
/ m* h2 q! Z5 h) a0 q) i: H/ y - } else if(upload.status == UPLOAD_FILE_WRITE){
, R% c; [$ y2 s0 G' K# s" K3 t - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
1 o. N; h7 `" l* | - Update.printError(Serial);' w/ ~! J. f5 k! B
- }1 ]. Y) C, x6 x# w
- } else if(upload.status == UPLOAD_FILE_END){
, m' Y( C+ V9 @6 Q - if(Update.end(true)){
E" O* n# b" z; K/ E - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);& K @; ~2 E: l1 @
- } else {
# w5 Y' M' p% |: y2 _( K! k - Update.printError(Serial);/ o+ N" j& t" v. N; B2 T. I
- }& D0 U- D" d4 R4 M2 c$ s( y* G6 [
- Serial.setDebugOutput(false);
( R. c e$ M% [ - }& a6 W- A. j( q% p; u6 A! q0 ^
- yield();! u3 T& t7 ~% P
- });
: D6 ?# u4 M3 i -
9 M& Y: b" [, _7 L' g( I - digitalWrite(2,0);/ T! J _, S9 R0 w [4 v
- mainAction();8 J! A- C3 T/ v. M, |
- if (digitalRead(0)){% }( r5 H4 C! K3 y* @
- ESP.deepSleep(0);
) y( ~4 _8 s% c9 T - } else {
( ?+ n% p$ p5 [0 u. D - server.begin();
! J! D4 |0 {. @% E - }
" d) B* ~# j# c/ X ?# x& @$ Z - }
2 i8 q" P' }; f0 E o. L - void loop() {
6 A+ D- u; O( ]$ n' @ - server.handleClient();. f( v7 G- }: B+ P$ {
- delay(1);4 U3 M, W z0 g
- }2 o: C" O. m8 E
- String doGet(String url){2 F" N" i' [* P$ J
- if ((WiFiMulti.run() == WL_CONNECTED)) {, y( i5 w3 Y* a6 \/ K. ?
- HTTPClient http;
4 N! q& s+ s/ k& b! L2 H3 _ - Serial.println("[HTTP] begin...");" u% i- U. u: u# \- o7 n8 u
- if (url.startsWith("https")) {
' i. N! A b: ]. v8 l6 j) C - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");+ T( L# P- i( y
- } else {! \4 K1 [4 R @$ Q4 t
- http.begin(url);/ k* [. w) R$ o8 p- ~
- }
4 h9 m% N1 D0 U% f" U7 Q' }1 K - Serial.println("[HTTP] GET...");' A9 t, b5 O- G+ w5 i
- int httpCode = http.GET();2 I# e7 M4 d! e8 S7 w, p
- if (httpCode > 0) {
! e T1 t% ]- b& P1 D& p7 e - Serial.printf("[HTTP] code: %d\n", httpCode);. r9 X) d4 U" M& A: j) T
- if (httpCode == HTTP_CODE_OK) {8 H# j- }# H8 s! s; J+ t( d' W
- String payload = http.getString();% t3 d9 z w4 h
- Serial.println(payload);8 e" T- ~' k# T) a) @# W0 q7 _; x! |
- Serial.print("\r\n");1 f/ M' N& O, D# _" r0 m' |
- return payload;
* D7 a( ]# w6 F, \ - }
" L4 N8 L4 d. [1 W - } else {
! p' K8 O1 V W$ z9 _- w5 J8 X4 ~; j! U - Serial.printf("[HTTP] GET... failed, error: %s\n",7 V j& s( B8 B. h2 [ C% n
- http.errorToString(httpCode).c_str());/ V- i/ |8 o4 I. t! Y8 l
- }2 m, n% ^. I' g" i
- http.end();9 B2 H* D( Z6 |
- return "";
# u1 y% k! E j! ~, C! k$ ]2 g4 s - }
& K5 |3 M% r; Z. C4 L, O6 U - }. w2 Z, J6 R4 \" ]6 B* e
- void mainAction() {
1 M$ e% F/ W% F8 v% r - // 发送请求
- _5 P9 [+ l/ Y' ~) o, E - doGet("http://google.cn");
M9 C& j/ L: _5 t - }4 _* P% X O9 Y+ i, C+ s' U
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