|
|
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)
% X; {# L4 j- b& M F- #include <ESP8266HTTPClient.h>: N' |4 O y0 Y" Z- F: ^$ K
- #include <ESP8266WiFi.h>
$ B5 z, \; c: D& [. W - #include <ESP8266WiFiMulti.h>
' h' `7 A& \5 }) w! b1 i; @( e - #include <ESP8266WebServer.h>
7 C, B0 D D# h0 z; W0 ^! x$ ` - #include <arduino.h>( D, S$ t7 H) |5 `3 V" H
- ESP8266WiFiMulti WiFiMulti;
; }+ Y( o3 s7 [6 `& { - ESP8266WebServer server(80);- q6 L8 L! y: ?0 c
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";6 ~: n' l+ _! g% E T }
- ADC_MODE(ADC_VCC);4 y5 ^% I7 I# j! V
- void setup() {7 o0 T& A: F7 s O! \. j: ~
- Serial.begin(115200);4 Y* z2 b! c/ n. A
- Serial.print("\r\n\n");' q* A1 l- ^, D: D; T1 Y
- pinMode(2,OUTPUT);
) g3 j3 N- o0 Z) a3 d* `8 a - // WIFI$ E& U N g4 ^" p7 e- h: N+ @
- WiFi.mode(WIFI_STA);
, H$ E% w( `7 g& V$ `) o. o2 L - WiFi.hostname("Sparkle");
+ U; l- y9 A8 p) h - WiFiMulti.addAP("wifi ssid", "wifi password");% F9 m; [- J( p, ^ l' @* z/ u
- int tryNum = 15;
( x3 p* d1 @# S( Z+ n - Serial.print("Connect WiFi");1 I* R) O4 C% {- r4 p+ B4 A
- while (WiFiMulti.run() != WL_CONNECTED) {
" M5 c7 e* B/ W: z# w - digitalWrite(2,0);
9 ]3 d+ [, @( j R5 p0 \9 D - delay(200);4 v8 s5 T8 o m# ?
- digitalWrite(2,1);
4 C7 b* n9 Q; Q - delay(300);
* w2 m \3 ?- b9 n3 ]6 i - Serial.print(".");
5 u4 m \' [. {$ _# }: w - tryNum--;2 ^! S8 [# v, }
- if (tryNum == 0) {
/ m. h0 f1 j7 G% i - // 1min
P) p c( `/ r- K - // ESP.deepSleep(60e6);: u' ^' z. o6 |8 [1 _+ {
- ESP.deepSleep(0);9 r5 ]+ D* c6 i8 J5 j
- }: s" }' H: l+ U5 i0 B! _# H M% }
- }
$ G9 U4 A) r, V7 u0 B - Serial.print("\r\n");" e0 i' V i' ^
- digitalWrite(2,1);
, Q6 a; N$ `' y, D; t9 Q; x - Serial.print("IP address : ");$ c& a: b, i+ [0 H/ [+ w; O' D
- Serial.println(WiFi.localIP());$ r+ @% S/ L% Q# u! h/ W
- server.on("/", HTTP_GET, [](){
" d) |5 [- y9 ?* A. E, a/ S8 x - server.sendHeader("Connection", "close");5 J' ~7 e( Y0 k P
- server.send(200, "text/html", serverIndex);1 G& m( |" {* u& t- \5 h+ F
- });. |9 g/ j6 q0 j, X7 y
- server.on("/update", HTTP_POST, [](){. ?9 e$ f# _+ l2 W4 t
- server.sendHeader("Connection", "close");# m# P( F( C& ?# T; [
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
* [, r/ I6 `! i0 b/ v - ESP.restart();
+ J/ |+ L$ V X - },[](){$ J% U4 |7 O" \2 o( O
- HTTPUpload& upload = server.upload();9 U7 N3 T+ x/ M; j, V9 ^
- if(upload.status == UPLOAD_FILE_START){
# F3 D$ h8 r/ @ - Serial.setDebugOutput(true);
: D& t7 z! s |- Q/ X8 R& E - Serial.printf("Update: %s\n", upload.filename.c_str());
4 U1 B9 W5 m7 f) ?0 `/ q# l/ x - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;4 \& L0 i$ j6 S& Z
- if(!Update.begin(maxSketchSpace)){
# K" N2 j) [* e- h; U5 K - Update.printError(Serial);+ X# l; E3 ]+ ]& H2 p9 L
- }5 b7 ?; z+ Y8 M- Q; i* b }2 d# T
- } else if(upload.status == UPLOAD_FILE_WRITE){
# g" |4 ~" p8 ~: d - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
- u$ u, V( `; K" x& P9 [6 I - Update.printError(Serial);) h5 I. F3 j- m, u6 J6 H
- }
- C& @& I7 ^2 v( s+ ? - } else if(upload.status == UPLOAD_FILE_END){* {3 b& T3 a4 f) a5 R6 Y; T8 y7 _
- if(Update.end(true)){
3 C. c; W2 e! \* E c! } Y* r - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);& z/ ?" ^- v- S7 R- \2 w
- } else {4 i) B& z- f& y( h+ @9 I
- Update.printError(Serial);5 `7 e9 f3 `: |( k% y+ N, c
- }
0 d6 e, l0 h4 S9 [ - Serial.setDebugOutput(false);
+ G: l) N0 u' O" ^3 r+ q - }3 E- a4 F8 Y9 W; G9 `6 k
- yield();
4 N4 I' e2 \8 ^5 P% R - });
* w, f# b8 D B1 ?- [ j - 6 V: p$ L b* R
- digitalWrite(2,0);( P# o) V& m( b
- mainAction();' a3 A; x& G" G& j6 y: T" v
- if (digitalRead(0)){: l) {. a& U1 c% U8 U% j8 r# ?
- ESP.deepSleep(0);
) s/ o9 w( S4 n - } else {
3 @. _8 k. _) @8 t' ?/ `+ ^' b - server.begin();
: s5 o; C0 o" O% Q$ j( ^4 M - }/ z2 B* ]/ C) O8 L% {* g
- }
: ~: L4 P( c0 e* t X! I - void loop() {
- t) p, _! E' \* G. ?/ { - server.handleClient();; [: p7 x7 v4 y& }
- delay(1);
6 ]9 V8 X7 l' [, d; g, a - }4 n ~) f' w5 ^7 E; n9 [
- String doGet(String url){
- R3 M6 r0 L0 H) J2 o7 u8 P: R - if ((WiFiMulti.run() == WL_CONNECTED)) {
# {8 l F" r+ e$ U% u - HTTPClient http;: g$ w+ ?$ S4 s1 q
- Serial.println("[HTTP] begin...");' y, J7 R2 n( {1 @6 n2 b
- if (url.startsWith("https")) {
) }1 n+ z0 l$ Z% G - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38"); H! Y! i* N3 `/ X
- } else {
* l$ A5 O' X% D5 [ - http.begin(url);6 J; K6 V! g" v4 C
- }
5 l% ]+ a+ H$ W R - Serial.println("[HTTP] GET...");
0 P! I/ C8 N8 }7 W - int httpCode = http.GET();0 v: O4 u( ~- `2 d: k
- if (httpCode > 0) {8 `$ I" X' q8 E0 q* X/ ]
- Serial.printf("[HTTP] code: %d\n", httpCode);
- o# {, A8 Q: j4 _/ a6 d7 O - if (httpCode == HTTP_CODE_OK) {8 F$ d0 U5 n, r8 c- \$ [
- String payload = http.getString();2 ]2 y- T! ]* \0 Z. Y: w
- Serial.println(payload);
+ N+ Y( I) ~. N( l - Serial.print("\r\n");
8 y4 }9 E3 c" H' M( y" P - return payload;, D2 v3 c( ^. G
- }; y: ?& `! g, M# S0 R. ]' {5 j( G
- } else {8 D, R ]7 u. v+ }+ x2 u
- Serial.printf("[HTTP] GET... failed, error: %s\n",, n: n. o8 H6 _2 p. a
- http.errorToString(httpCode).c_str());
5 Z, o9 b3 W# B: d5 b% Y7 o - }
9 |4 H& g* Y6 F [ - http.end();
5 y2 N! D# a. @ X2 s - return "";1 V; D$ r* V1 j3 a: Q5 b1 X7 u
- }$ W. ?0 s$ k* P- d( W2 W
- }1 O+ A# @9 W$ o3 T- x3 n5 v
- void mainAction() {
( R7 \3 P: P& N( s& i4 s3 h7 M& s - // 发送请求
1 F4 L; k8 }# R2 A' _# ~8 z - doGet("http://google.cn"); }0 P8 }# f9 \& N/ D% A8 @
- }
4 r; r" Q1 W& d! g" ?
复制代码 |
评分
-
查看全部评分
|