|
|
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)
8 T7 A% t V- u3 j- #include <ESP8266HTTPClient.h>
/ G, F0 `" h# }9 N: v' B; { - #include <ESP8266WiFi.h>
7 L7 j) v7 c9 z- F3 b - #include <ESP8266WiFiMulti.h>1 ]: J; t3 {# H; J7 J
- #include <ESP8266WebServer.h>
4 D0 D- D0 \! h8 E" x7 M; ^ - #include <arduino.h>% u! X: f0 w* j6 i) G# r E3 Z) V
- ESP8266WiFiMulti WiFiMulti;8 f/ d0 s( k% f# @
- ESP8266WebServer server(80);
) \4 j# R7 @/ a - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
& {+ b- Q3 j( T! v7 |6 s - ADC_MODE(ADC_VCC);
4 Z7 U6 |( D/ E' g$ t - void setup() {
6 @8 `1 y; N3 E+ N) k1 B: h' b - Serial.begin(115200);4 `) H* y: `2 E7 L: u
- Serial.print("\r\n\n");8 \7 l7 w/ ^3 O
- pinMode(2,OUTPUT);
4 B3 W9 c7 A# V* B9 b6 k/ i - // WIFI
9 L q& v! N1 J3 y3 t5 B ?3 B - WiFi.mode(WIFI_STA);( A ?1 ]! S1 J$ D
- WiFi.hostname("Sparkle");
- L7 k3 I9 m8 w* E: t2 M - WiFiMulti.addAP("wifi ssid", "wifi password");
5 j# o4 s9 |( Q5 `. x" p- ?$ X - int tryNum = 15;" J: k+ q" x* a6 l) d6 Y
- Serial.print("Connect WiFi"); _6 h0 z0 ?1 h+ o
- while (WiFiMulti.run() != WL_CONNECTED) {, R: R6 m$ x# U7 X8 j+ u' @$ o
- digitalWrite(2,0);
, K$ [6 h' `$ @) j$ _ - delay(200);5 @+ ]! w, Q/ d8 Q
- digitalWrite(2,1);' u9 k* Y# T6 Z( E/ V
- delay(300);3 Y- X: l% x( b$ @+ k
- Serial.print(".");& I' T- i0 {7 r! m4 q- U/ n
- tryNum--;& ?2 c, m+ t: i+ g8 d- V' z( {, Z
- if (tryNum == 0) {
& v( H6 O' T% h& s |* }2 J - // 1min
) P& X$ q6 S4 F( A' L5 ]3 W - // ESP.deepSleep(60e6); K. i9 {3 H6 |6 Q: E& e4 `2 \/ E
- ESP.deepSleep(0);
' W/ J( X" V+ w m6 ?* p# D - }; i* K& a! U: Q0 L4 ?, n
- }) O( w$ T7 L- [+ Q" c+ k% l% F: K
- Serial.print("\r\n");
: f( p8 E" p: H& J - digitalWrite(2,1);
7 y" L1 V9 T( U7 ~ - Serial.print("IP address : ");+ j" D( p& H. h) {) O; Z# Q
- Serial.println(WiFi.localIP());1 Z* e% e2 |: r
- server.on("/", HTTP_GET, [](){
) \, e% `, C0 ?0 l - server.sendHeader("Connection", "close");' f$ R& p+ d' c4 O2 D8 W
- server.send(200, "text/html", serverIndex);, U0 h5 b; F9 q
- });1 t. \. @8 b% z5 w
- server.on("/update", HTTP_POST, [](){
" m, {8 [! g! U' i& G - server.sendHeader("Connection", "close");1 M E2 Q: F2 H' \; h' n0 s+ r
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
" n( \- N0 c' O( O* g* O# W - ESP.restart();
6 m y* y: x, {" n - },[](){+ O; C; ~% \1 r/ d) {1 x. `
- HTTPUpload& upload = server.upload();2 ]$ }6 [1 K8 e% Q# w2 R- ]
- if(upload.status == UPLOAD_FILE_START){' ~9 F1 a- O. x3 \ t0 z
- Serial.setDebugOutput(true);
! w' }# |# E% z9 u5 _+ e - Serial.printf("Update: %s\n", upload.filename.c_str());( V; C+ p |' C% x- w$ e2 k
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000; v# b4 k6 T8 K/ y; T( P- [
- if(!Update.begin(maxSketchSpace)){
& i( @3 k' K) s - Update.printError(Serial);
2 K. {( S3 y7 V+ B# T - }! n' Q3 J/ y* X# s" B6 |6 L' z1 y- }
- } else if(upload.status == UPLOAD_FILE_WRITE){
' X* [8 p$ j9 k) |3 A& c - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
" Q% a" t* v9 e6 z - Update.printError(Serial);
$ F" ]* |4 z. v - }
7 q5 |5 a; {. y+ [+ _# _ - } else if(upload.status == UPLOAD_FILE_END){
1 v* `& r. ^0 n! E7 y2 ? - if(Update.end(true)){; K5 |/ }6 f; |1 n. u
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);2 L2 O6 [5 K3 H6 M0 Y& W
- } else {# @+ l9 d* R- i! a& Y- s
- Update.printError(Serial);
0 y$ L( k8 o, j/ R" |! M. v) k: x - }
1 X6 P7 ?* m M& y. Q/ F6 ^. H$ o - Serial.setDebugOutput(false);/ V8 l5 l, C' y3 |
- }
2 ^1 S! V& d7 \% f3 D4 F1 U - yield();
* e$ j+ \- `0 Q T# M! M - });* m. |8 v6 U$ I
-
V6 V; J; h( E - digitalWrite(2,0);/ `/ {! J6 T0 w. }9 H! M" \! O* R
- mainAction();# x6 L8 d" p5 ~
- if (digitalRead(0)){
* W) Z: v& h" I$ |) I4 k( O - ESP.deepSleep(0);
: \7 }$ X+ m1 k- \, N: R. R& v( v - } else {
; o6 e8 A. ^' V O3 t# w - server.begin();. F6 a# Y# C0 [7 j. {
- }
: n' k, n7 W3 M1 g - }
, b, ]% J0 H) B1 i - void loop() {
0 d0 A5 ^. y$ ~# ? - server.handleClient();: \! p# |1 B; ~, X5 k/ O" i4 m
- delay(1);
5 f3 i1 a3 K. j" g - }4 H1 g9 w, L! L4 _
- String doGet(String url){
. \1 f2 @1 @, \( \0 i - if ((WiFiMulti.run() == WL_CONNECTED)) {
- S5 G8 Z5 @& G7 B. U9 H& x6 W0 o - HTTPClient http;% i) `9 D0 H$ ^
- Serial.println("[HTTP] begin...");9 F, p, A6 X9 M: \% T
- if (url.startsWith("https")) {
# ^. D' h9 {. S- [5 k% ~. P5 p - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");, |# o* z* @' L" V( H/ u5 y
- } else {
* S* J1 V" Z* U1 l! K0 E. g - http.begin(url);
8 y* z7 J- d" p! P Y" N - }* x8 b: V4 @' `
- Serial.println("[HTTP] GET...");3 l* L1 t4 R; z0 v, u* l
- int httpCode = http.GET();) l0 f# G) g% k; c, J. e! O
- if (httpCode > 0) {
" y( l: T7 F% M: E3 Z - Serial.printf("[HTTP] code: %d\n", httpCode);' `$ ~& V2 N W3 ~ R
- if (httpCode == HTTP_CODE_OK) {0 Q5 A7 [4 `* f3 R$ }
- String payload = http.getString();
' T+ ~% k+ a" ~, P" Z3 M# n - Serial.println(payload);
& ~3 c1 P. u- N% E } - Serial.print("\r\n");
- P$ g, h$ J( m8 G! ?4 u4 I - return payload;+ b6 n0 I2 p: @3 E
- }
9 Z' a {! E7 r$ k" m - } else {- y) ]9 @* a9 T$ J9 Z
- Serial.printf("[HTTP] GET... failed, error: %s\n",( F$ `! o# K) F
- http.errorToString(httpCode).c_str());7 B8 H/ _2 D: G( \; G0 }! q
- }5 x/ I1 D S1 `2 p
- http.end();" q2 @3 ^! ^$ `$ G+ q* r
- return "";( s3 j6 t( l) a, r
- } |0 v9 d& \1 k4 C) ^
- }* g- y6 w1 l" a$ _8 ^
- void mainAction() {
8 c1 I7 K/ u$ C3 W. F5 a - // 发送请求
1 Y) B/ P4 m x3 a8 | - doGet("http://google.cn");
* z0 X9 Z0 g6 c3 l# }7 M4 L$ ]( U - }
+ T* ^( r9 \# O8 q% s
复制代码 |
评分
-
查看全部评分
|