|
|
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)6 `0 J) [; C9 g ~
- #include <ESP8266HTTPClient.h>
" Z) b2 g5 V" i+ L5 ]" `+ I - #include <ESP8266WiFi.h>% i2 j, O; q3 S1 {% J
- #include <ESP8266WiFiMulti.h> L, r( B0 q+ Y7 h
- #include <ESP8266WebServer.h>
, c1 {- G: X5 Z* \ }1 | - #include <arduino.h>
) y6 l- M/ k" M Y3 { - ESP8266WiFiMulti WiFiMulti;( [' U" z$ }& D
- ESP8266WebServer server(80);- S. E) S5 y: J5 {% x" E
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
8 {7 E5 T8 k! k* d* |6 F - ADC_MODE(ADC_VCC);
* K/ p" `1 T9 U$ w; M2 Y4 C - void setup() {
/ e6 E y+ d+ n& p9 g - Serial.begin(115200);; |, e% ]; `" l/ h( T
- Serial.print("\r\n\n");* |. A, z& H7 X
- pinMode(2,OUTPUT);
/ z8 _1 D4 [7 e, D% _ - // WIFI4 ~' I2 N) n+ A1 X( r/ Z, E# y
- WiFi.mode(WIFI_STA);# V- U# P) g5 b' W6 Z3 ^
- WiFi.hostname("Sparkle");6 G$ e! k' z, |, A
- WiFiMulti.addAP("wifi ssid", "wifi password");) j2 _9 ^) x3 ]6 H
- int tryNum = 15;
4 I; h; B2 N1 ?5 F8 X - Serial.print("Connect WiFi");
4 S$ P8 b9 T" [0 A( u z3 K n - while (WiFiMulti.run() != WL_CONNECTED) {
3 R2 d2 Q' @9 b5 }$ K - digitalWrite(2,0);
* U; P3 x/ I! D$ p/ ?" g - delay(200);1 |$ k! W$ h0 ~( W
- digitalWrite(2,1);
6 ?' |3 t: k& ?0 i( m3 R( D& @ - delay(300);
; o9 ]' r5 _' i9 ` M9 s* G - Serial.print(".");
" s7 W1 P$ a+ v" o I - tryNum--;
* w4 \5 E) W# S1 N - if (tryNum == 0) {# e' Q: a9 y) O6 C( i+ z+ y! R) F
- // 1min5 `0 L/ J' ?+ J! K! k+ I
- // ESP.deepSleep(60e6);4 |9 S* K: B+ J, b& \- V9 l5 v
- ESP.deepSleep(0);
$ c! ^- h% V- P; a( D - }
4 d V+ f+ I( f; G9 `/ ~ - }, U/ T5 V. ]2 Y" R/ |
- Serial.print("\r\n");1 `% B! G1 [) y) h) ]
- digitalWrite(2,1);
% S6 f2 B' }, {/ f5 `" N% M2 } - Serial.print("IP address : ");2 s4 a% I* C) Y5 W, O
- Serial.println(WiFi.localIP());7 ]( h! |9 F( _2 @! g$ U8 P
- server.on("/", HTTP_GET, [](){
3 ^7 Z2 c5 n$ B4 l3 D& U6 } - server.sendHeader("Connection", "close");) L' \; H( B' Z O# {5 Z, V8 |) J
- server.send(200, "text/html", serverIndex);. w4 k3 F. {* O$ S
- });% a* Y! k8 Y: {" o! D, |' k
- server.on("/update", HTTP_POST, [](){
1 s# _% O* K/ e( k - server.sendHeader("Connection", "close");* n3 i3 s% ]7 n# h
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
R; E% c: D) v- l/ b4 _ - ESP.restart();
( z2 G. I0 k( W8 n - },[](){
/ k3 U9 v) s6 R1 ^& @ X! g2 m - HTTPUpload& upload = server.upload();
# W# _. a! q' ^ - if(upload.status == UPLOAD_FILE_START){
' @3 Z/ r9 M8 {. h" X - Serial.setDebugOutput(true);
' g0 L# n( @6 U/ \0 Z - Serial.printf("Update: %s\n", upload.filename.c_str());3 L/ x: H, B4 Q4 I2 X( t! c
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;) {; @/ O U' ?4 e2 O
- if(!Update.begin(maxSketchSpace)){7 P/ I! `+ M! U; `6 D
- Update.printError(Serial);
. F) M$ L5 S+ ^- {; m - }
/ }! J, o9 e$ I P6 k9 A - } else if(upload.status == UPLOAD_FILE_WRITE){
3 {4 s& D1 B1 |! g5 R7 ^ - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){3 @ ?* [0 `" c* @" u3 X
- Update.printError(Serial);
3 d* S% G$ l1 O0 k9 S1 H4 s/ ? - }% Q$ w8 E5 H7 U+ @
- } else if(upload.status == UPLOAD_FILE_END){# }9 O( P' _3 w. `- N
- if(Update.end(true)){
9 g% s) o' T( t! @ - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
7 {& T! M6 C. F, @# F, t* D" Z - } else {" Q: A% E1 g% m$ n0 M
- Update.printError(Serial);
, j/ G! ]4 H1 g( t - }: ^% s( y0 c/ h6 c! l
- Serial.setDebugOutput(false);3 o5 y }# ^% A
- }
& @4 ~3 |1 Z$ c - yield();
, g! n# g- ?) ] r - });
+ J0 e0 P K% x" S - 9 C% H# o) s) I0 F
- digitalWrite(2,0); U( N: y3 L2 c! `- n- V) @
- mainAction();" R! S/ B m3 W; B; C
- if (digitalRead(0)){- i- C+ u+ m4 l2 M
- ESP.deepSleep(0);
1 r9 B3 Z" l6 d9 c9 b0 F" `! w& x - } else {0 B2 \! {- A' i$ o3 Y
- server.begin();3 c; G2 g; p7 p; @
- }
9 \( K2 Y* z* x. ` - }
% w6 T. }% c9 p, c3 A0 ^* K9 Z - void loop() { u9 Q8 B O8 L0 {& k4 L T
- server.handleClient();5 M% J/ H9 e( y% Z2 O* u
- delay(1);
& X; E! N$ H k - }
9 A% g; p4 i1 c2 @2 Y u - String doGet(String url){
! u# d2 [* R) |! H8 o8 n - if ((WiFiMulti.run() == WL_CONNECTED)) {" Y" z0 o5 K1 f0 m) {! u
- HTTPClient http;
) H7 k1 w% U) V9 P8 e8 ~+ L - Serial.println("[HTTP] begin...");; }9 D c6 F: z" q$ u
- if (url.startsWith("https")) {
& P9 {7 O$ X: S- G: ~* t - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");- U' T0 j$ P0 ^' q
- } else {
8 i8 T& I9 J! ] - http.begin(url);5 k. ^; `( I* e& p' T1 W4 z
- }
4 ^4 s! {# }$ K- ] - Serial.println("[HTTP] GET...");
$ l3 p+ ^9 `8 m& c - int httpCode = http.GET();
2 {* H9 E) t9 N3 }7 ?3 ?4 h( r, d - if (httpCode > 0) {
$ z' {" r' h9 U# d' n - Serial.printf("[HTTP] code: %d\n", httpCode);5 g3 ^: Q7 H f2 n8 ]% A
- if (httpCode == HTTP_CODE_OK) {& w% t; d+ y4 q. p
- String payload = http.getString();' q: R# ]" _; w
- Serial.println(payload);
7 B, {, O% l" _ ^4 g+ V; S- s - Serial.print("\r\n");
4 [0 }: D/ p! q: v - return payload;
3 d5 G K, P$ n, W4 h - }0 }- U3 C+ ~+ K" P, A
- } else {
' D! M+ o; w$ A - Serial.printf("[HTTP] GET... failed, error: %s\n",8 N9 c' _% n' D5 T* @/ p# |+ r
- http.errorToString(httpCode).c_str());5 o y$ I/ y$ q$ H$ @9 ?
- }
2 N+ C) ~! J$ K( s _4 }( V - http.end();3 X! Y! L# |" _4 }7 ~$ Y
- return ""; u6 r( @: O3 v3 v7 L
- }
; R6 w4 N8 E5 K2 y& x - }
, I( i8 `4 P. F& n5 `% v1 P - void mainAction() {* A1 Y$ }* g# L- u- i, m( W
- // 发送请求6 k. T. O G: \2 R' a
- doGet("http://google.cn"); n9 d3 F# N. L4 d7 E4 P }
- }
4 e0 z, H2 C2 R4 v/ C5 Q
复制代码 |
评分
-
查看全部评分
|