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发表于 2020-8-25 21:17:24
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查看: 4365 |
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)1 ?) p6 s2 G0 P# @, E, r" J3 m8 g6 _7 U
- #include <ESP8266HTTPClient.h>
9 `0 M) I$ D1 @1 b9 p; s6 U - #include <ESP8266WiFi.h># c- V+ ?; y" v+ S( Z
- #include <ESP8266WiFiMulti.h>
0 K: o* H0 Q( q+ B3 G! g4 R - #include <ESP8266WebServer.h>+ M& E/ V. M% V: s# ]
- #include <arduino.h>0 r0 e% `& }( S/ l; z% p0 [
- ESP8266WiFiMulti WiFiMulti;+ W9 _1 b+ k7 \- ~- R
- ESP8266WebServer server(80);
* m8 M& N8 w- n4 v, a - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
; w/ f, ]* T7 R6 L% ]& ? - ADC_MODE(ADC_VCC);) [; V* Q6 ~4 T& Y- b& a
- void setup() {2 [& Q% L. ~9 X: z8 y9 o: y/ `. g
- Serial.begin(115200);9 K8 [& T9 c5 l* i, @: O/ w
- Serial.print("\r\n\n");* q; C" w' f/ T; `6 ^
- pinMode(2,OUTPUT);7 Y, J+ ?4 t" X) h
- // WIFI
) y3 N# r: D7 U+ |: s( b/ }8 } - WiFi.mode(WIFI_STA);
, _. b) G- Y0 | - WiFi.hostname("Sparkle");3 s/ R/ n# J: m! j T
- WiFiMulti.addAP("wifi ssid", "wifi password");# f# y" t* a& @: d2 w2 R) ^9 ]
- int tryNum = 15;; G& |# I6 P7 Q
- Serial.print("Connect WiFi");
) q0 c) Y* \% v - while (WiFiMulti.run() != WL_CONNECTED) {$ g3 D7 M9 b: X S( S
- digitalWrite(2,0);0 [ e- C4 k) {, O% v3 s9 k
- delay(200);
5 b7 x3 g: O2 H7 |+ X4 s3 K/ i1 [" o - digitalWrite(2,1);9 {$ t. j; X0 h. {0 m L
- delay(300);
3 o! q9 }. B @- O4 H: f% o; R - Serial.print(".");( @3 f3 P( t% U7 n! W- o" R' k0 M
- tryNum--;
; U$ `3 S6 U+ Z - if (tryNum == 0) {: ~9 ]$ ~! c) c5 Z8 t/ ]
- // 1min
8 _4 b7 N4 K, i# [6 V, d: j3 c - // ESP.deepSleep(60e6);
' L' {' Z+ h8 L1 m) I! [. J) z - ESP.deepSleep(0);' C; I" a4 T( }7 r
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- }1 A% f. u3 B6 N$ e0 [
- Serial.print("\r\n");. ~* n2 ^0 y+ [
- digitalWrite(2,1);/ k1 l+ W. r9 L) Q8 A4 r
- Serial.print("IP address : ");# y, @' x* g7 N* F( @+ n4 t
- Serial.println(WiFi.localIP());
% y% C4 x( {5 K- x - server.on("/", HTTP_GET, [](){3 U; g. P( z/ u+ P. c; e
- server.sendHeader("Connection", "close");+ f; W- T& X5 l7 \
- server.send(200, "text/html", serverIndex);
9 b% X# ]. x: C, Y. Z* P& O, u0 o - });
" @+ D* A6 a, ^, x7 C% c - server.on("/update", HTTP_POST, [](){
3 |/ f$ U4 k$ [5 {3 a& O - server.sendHeader("Connection", "close");
% L1 c4 ?% |& U; ? - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");* n( @9 T u8 s! V: X5 f
- ESP.restart();
9 b4 H! t7 X/ F$ A. y. a1 [- V - },[](){2 l; D J% k3 X# F. c
- HTTPUpload& upload = server.upload();; @) H, {* T6 V+ T( b+ V" h0 V# }
- if(upload.status == UPLOAD_FILE_START){
# T% |' W. | P* \& s) e# k3 V - Serial.setDebugOutput(true);
5 D& _) Q. k6 k- o2 h. S: c! c- V X - Serial.printf("Update: %s\n", upload.filename.c_str());
; ~# \' h& ` y' f( f* T - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;# @0 q& E3 \6 z! R% R! Q
- if(!Update.begin(maxSketchSpace)){
" V- e3 S1 C6 i& D0 X/ h - Update.printError(Serial);
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- } else if(upload.status == UPLOAD_FILE_WRITE){
* G* t x4 E/ V; n- Z - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
) a! K! M5 F* `- C2 p - Update.printError(Serial);
8 }; G) _* [3 K7 x1 W4 b& O - }% h) |" g, E" G! g& w# u! `$ v
- } else if(upload.status == UPLOAD_FILE_END){
3 W L3 e; d$ Z0 I1 d - if(Update.end(true)){
3 G; M9 P% m: J7 J - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
; R" M- u% {3 |& v2 x - } else {! F! u9 ?2 V- e z5 {
- Update.printError(Serial);
; n8 y/ t6 ]8 Q/ _& A8 x# X3 ^ - }4 g2 ^6 E7 g, ~$ F2 m$ `
- Serial.setDebugOutput(false);
+ _ `% S, K' m3 _1 _ |2 ?; W - }$ \" ^" \% T: K2 }
- yield();
6 E* w& Y" T2 R - });
+ s3 C+ r6 p# ^ - 5 v) }6 b1 D) i9 I$ q( b4 d+ |
- digitalWrite(2,0);
" D9 t y; W2 T; q9 d. R# j - mainAction();
" V2 P" S! S4 r8 O D - if (digitalRead(0)){
. [8 Q- ]$ K! y, W - ESP.deepSleep(0);' Z. j8 k8 u7 `8 v) c1 ^6 j3 w
- } else {! a- `- Z) l7 z& j
- server.begin();
0 m0 }# q/ o6 [: r$ Y8 Q5 r. } - }. |! q5 \) ]4 Y' W
- }
- R6 W. P! s8 z: n - void loop() {# T ?5 D# p1 ?! q
- server.handleClient();
/ o6 Q% l5 c6 q5 W5 n - delay(1);$ K& A! {8 K% W0 [5 q- G$ h+ T
- }( A: L8 Q+ E6 N8 d" } m
- String doGet(String url){
3 P. \ d) _# B/ N! T' K - if ((WiFiMulti.run() == WL_CONNECTED)) {
: b8 [ ^2 I/ W6 d: e - HTTPClient http;
8 C6 L0 e: c7 C. N4 A) |: [- `- _ - Serial.println("[HTTP] begin...");
& f; h$ u( `% j( e& A3 t5 f - if (url.startsWith("https")) {4 k0 a7 o* I. x% E. J+ @ L5 i
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");7 g# q6 ^0 }; M
- } else {
- j; P/ t. I3 g - http.begin(url);
4 G) z. k8 `1 G" Y) t - }* Q+ Q" m& j# y, t* C$ l B
- Serial.println("[HTTP] GET...");0 U2 P4 Q3 g+ D+ j( C4 r
- int httpCode = http.GET();2 e5 b9 P+ W% b% |$ ^
- if (httpCode > 0) {. i" {1 Q: M8 h; v1 d
- Serial.printf("[HTTP] code: %d\n", httpCode);3 R" U; u; s4 a/ u- \. P9 O; `$ V
- if (httpCode == HTTP_CODE_OK) {
0 z- s0 n% ]! Z& t0 u - String payload = http.getString();
- O: k, c* B. Y; f2 g0 d. P2 p6 k - Serial.println(payload);
) a7 K! k- E! b( d# n# _2 k - Serial.print("\r\n");
+ x/ r; @; f) I - return payload;- t- K% W3 Z' K
- }* |7 ?" e' ^0 y9 ^
- } else {
+ I2 T/ |3 f( J& i - Serial.printf("[HTTP] GET... failed, error: %s\n",( w+ @! U0 u5 e4 J" G
- http.errorToString(httpCode).c_str());
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- http.end();% O4 P5 h5 F/ t7 m& W+ P' [9 Q
- return "";
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- }+ B! o$ F2 v- f, |. f
- void mainAction() {1 T8 |- r0 g2 c* Y
- // 发送请求
2 G% f5 p6 N1 N6 s% q, N - doGet("http://google.cn");
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