|
|
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)
& n0 p" e2 F# @- #include <ESP8266HTTPClient.h>
+ s& x1 V* F+ h, z( ?0 _$ m" G - #include <ESP8266WiFi.h>" Q9 N* t0 o7 u- `- s) ?7 w
- #include <ESP8266WiFiMulti.h>( S! g# L* K3 N) o# P# Z% c
- #include <ESP8266WebServer.h>
. t7 H+ ~" L( G7 [; ?5 Y' u - #include <arduino.h>( O) `/ s: g$ X4 V$ d! R
- ESP8266WiFiMulti WiFiMulti;, _) F: _) l5 L; a7 @
- ESP8266WebServer server(80);% l, w5 w0 B+ a% N o' ]! [8 F% G
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
) m. L- G: y3 C0 W* J& `8 t - ADC_MODE(ADC_VCC);
8 e4 P4 D! J' P: x5 _2 \% g - void setup() {2 u( b. D2 b. N1 I- ]- _- B3 H. ~
- Serial.begin(115200);; L7 p# A8 x7 P r2 I
- Serial.print("\r\n\n");
3 o8 n* y: {% f" M8 b; j/ p - pinMode(2,OUTPUT);( e% Q( l9 w, ~5 I K6 a2 ^
- // WIFI, N+ E9 F7 g8 b! L ?, [
- WiFi.mode(WIFI_STA);/ X' F& C, r" r( h M: p
- WiFi.hostname("Sparkle");/ P; E( Y! T& P b5 k: S
- WiFiMulti.addAP("wifi ssid", "wifi password");0 @5 m J+ c8 X9 K$ b. @# K
- int tryNum = 15;
: l' K/ m2 O, q5 j: n$ s - Serial.print("Connect WiFi");( K+ W$ `4 C: n
- while (WiFiMulti.run() != WL_CONNECTED) {
0 ^* B2 W% w2 ^/ b - digitalWrite(2,0);
- k3 R/ w* _+ } - delay(200);
* Z6 k) X* d2 x/ N% i - digitalWrite(2,1); n% X6 _, l% P1 h
- delay(300);- m0 ^" S5 c' G+ {# j# z
- Serial.print(".");
4 ^5 b' P; {5 \( ^2 Z - tryNum--;+ K! t( N0 H0 n9 w
- if (tryNum == 0) {" p0 C+ s$ S, c/ t0 @$ I8 ]1 h
- // 1min' T8 Q4 B% E: X9 B; D3 N
- // ESP.deepSleep(60e6);7 \5 ?8 v: h7 `: A5 @$ V) [$ p
- ESP.deepSleep(0);; M9 D R% h9 {8 d, l3 o
- }
' X) y: m! [, l$ T' J: Z: T - }/ \9 ~" x4 r/ ~+ H, Z4 Y
- Serial.print("\r\n");
- E6 t: z4 p( P9 U$ D, Y0 o/ v( c - digitalWrite(2,1);
: v V. V, \$ b" L2 ` j - Serial.print("IP address : ");8 g4 W5 B# Y( d- f5 V! p/ @$ S
- Serial.println(WiFi.localIP());8 r A1 Z) t. l3 R
- server.on("/", HTTP_GET, [](){
8 F: w7 `* S3 _# u% V2 u - server.sendHeader("Connection", "close");
: q5 d3 y# P- B. @ - server.send(200, "text/html", serverIndex);, [ K! T6 T1 o1 t
- });
' L5 q$ E* q9 w! {3 j/ w: Q: t! U - server.on("/update", HTTP_POST, [](){
9 S* ^" @/ `9 i - server.sendHeader("Connection", "close");5 W" @* d. {& t n/ {# i7 i
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");$ J" W. p8 l- T I
- ESP.restart();- H# f$ O6 F5 u& N
- },[](){
9 y5 V5 }2 s3 e8 ~0 f - HTTPUpload& upload = server.upload();3 @' ]( A! G& K: y) _) b( N N
- if(upload.status == UPLOAD_FILE_START){
4 ]2 q9 l, `6 y2 i) x - Serial.setDebugOutput(true);4 M" G$ s! _! H
- Serial.printf("Update: %s\n", upload.filename.c_str());
3 K: p# A1 n3 S( V( Z0 N' D( F+ d - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
! `% G" Y6 p0 o: g3 H - if(!Update.begin(maxSketchSpace)){1 v, x% _1 [% g5 d5 z+ j* o3 y
- Update.printError(Serial);
5 c+ a$ J6 _' N$ y2 | - }
; y( d O/ @$ q# R n$ _" P - } else if(upload.status == UPLOAD_FILE_WRITE){
! L! D1 c4 i+ z# h' a6 Q - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){9 R7 ^/ [- _4 B, ^0 m7 n$ o# |) u
- Update.printError(Serial);
" E6 _6 [7 v Y$ V9 P+ c# k- H4 e9 J - }; ?$ T6 o, P; j. @0 m2 y
- } else if(upload.status == UPLOAD_FILE_END){
9 \9 b2 m0 V; ]( d: J9 t - if(Update.end(true)){
+ W& P' d, T% O- j* W4 m% i - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
+ S7 b& h# E% o: ?( u$ \ - } else {
3 a+ R1 u* {6 [7 Z; _1 C0 @; e4 Q5 v l - Update.printError(Serial);6 y% R: R# L4 {
- }- L9 t8 }& q. ^% S0 y3 V; @
- Serial.setDebugOutput(false);
* G: Q: H9 U3 d/ O- r - }! v5 u" ^& E- L% \# y
- yield();
- ?7 p# T( d0 Z" E: ~ - });1 ?( M* J6 n- R
-
) L/ F; q* u: ` q! k - digitalWrite(2,0);
u# X% P1 h# I. Q: k - mainAction();
) Q. r! w# l7 h6 ~: h9 x; [ - if (digitalRead(0)){
- Y* M; w7 t5 j1 N3 m; ~) o* I - ESP.deepSleep(0);$ X; z R- H. ?2 L" t; _3 f
- } else {1 v; J5 C6 l. ?1 @! ?) W
- server.begin();
5 P! C4 g( |9 R* z6 W - }
9 `/ j0 y. h' ^5 j4 |: Z% Z - }1 v2 U6 l4 m5 m( _! ]5 A; w) T1 F
- void loop() {- @ P4 U( z( u) R# m9 a
- server.handleClient();
7 k+ g g1 L0 T5 a. V4 ]' a7 r - delay(1);
7 d' u' G l: h+ \8 z - }9 G. k8 Q+ @/ T% P+ f- y/ C- l
- String doGet(String url){! y! R) t4 [) f3 Y. u1 g
- if ((WiFiMulti.run() == WL_CONNECTED)) {6 ^" E- w: b4 M
- HTTPClient http;' w- G' m3 M( T& n: f+ `
- Serial.println("[HTTP] begin...");
& w* i J2 _! j2 N0 ^8 o1 k3 z& ~ - if (url.startsWith("https")) {* D# _# \& l) n6 @6 \- \
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
, w3 }0 E M- {3 v5 S; L. i# C - } else {
( a5 z8 I# ]2 w& H% V1 J - http.begin(url);6 T. `: k7 ]/ c K# z$ w
- }, ?: k7 m& J) x
- Serial.println("[HTTP] GET...");
$ Z1 Y2 j" i" K6 F [ - int httpCode = http.GET();
L- a) Z: c- _; s* g0 ~8 x3 T* ] - if (httpCode > 0) {; _$ E# ~; K; ^3 b
- Serial.printf("[HTTP] code: %d\n", httpCode);* j& r' p* `! [' V
- if (httpCode == HTTP_CODE_OK) {9 v% t1 G8 J* z# |2 z1 x1 }5 B
- String payload = http.getString();! l3 i. O) F0 x6 `' Q) D
- Serial.println(payload);
7 {& \; f; Y' ]: }, h6 s; `$ t - Serial.print("\r\n");8 p7 k" [2 t$ s% m
- return payload;: o+ F0 Y5 X2 K8 h2 G: n# R
- }& J9 \5 t8 @! v$ x# Z. c, f
- } else {: M4 p3 |. K, b A! [4 t4 [
- Serial.printf("[HTTP] GET... failed, error: %s\n",
2 W% H# O9 [% k* @( h - http.errorToString(httpCode).c_str());
2 [! b! C+ G# O. \ - }3 I h/ j0 T6 ~2 e+ S+ Y' H% {1 e
- http.end();
6 p% I; y& ~) X% O - return "";% H& A% }/ Q* y. U$ ~
- }4 g4 f z& h7 y
- }
" q7 x- O) P7 k0 a2 ~! x2 q$ k - void mainAction() {
5 d6 j# d9 i( d - // 发送请求
8 K$ x+ |' r9 F$ | J8 `0 a" G - doGet("http://google.cn");" m5 K% E# Y% R. `- J7 Y! K
- }
! l$ U' N( z2 D: t+ R" L
复制代码 |
评分
-
查看全部评分
|