|
|
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)7 {" K$ ?8 h* _( _# U" J
- #include <ESP8266HTTPClient.h>
' I* E. e4 x' N9 j! e' \8 u - #include <ESP8266WiFi.h>' H. R2 R% J7 D: F
- #include <ESP8266WiFiMulti.h>
5 `( { y* R; E% a2 ~# C3 O - #include <ESP8266WebServer.h>6 ?, H. C% o' t4 q
- #include <arduino.h>
# E' T! h* E3 Q - ESP8266WiFiMulti WiFiMulti;
# X# \8 a. X; R - ESP8266WebServer server(80);
; B8 ]) P, b5 Q - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
o1 a& z5 g W; E8 @ - ADC_MODE(ADC_VCC);& Q/ |8 l6 A& w v' K
- void setup() {
' v a- c6 C/ O - Serial.begin(115200);! ?- V( t! W- L. V; t
- Serial.print("\r\n\n");
$ {3 t7 m7 I$ \ ]) t# @ - pinMode(2,OUTPUT);
% v2 i6 m; Z; m& C. C" o. G - // WIFI
5 M( P; w3 [! ?+ |$ L+ f: s - WiFi.mode(WIFI_STA);
- F1 j; O% z0 G \" U7 X - WiFi.hostname("Sparkle");
# ]5 Y, |! x- T6 M: W$ b9 h' a8 g - WiFiMulti.addAP("wifi ssid", "wifi password");+ U: O$ w' }3 a0 y& I* e
- int tryNum = 15;
9 e5 J- H6 ?# I$ V; f( ?! l - Serial.print("Connect WiFi");
/ b% k: \4 S: d" j$ S - while (WiFiMulti.run() != WL_CONNECTED) {
, O1 Y! ?; s2 E1 q - digitalWrite(2,0);1 X7 V: i) K ]% B$ O0 o$ H
- delay(200);$ @$ |' r( p3 d* Z. R0 X- h p" [
- digitalWrite(2,1);/ l% t% o: b+ \0 l9 Q
- delay(300);& ? N; a% a" {) k
- Serial.print(".");
. u9 j6 D- J3 E1 b5 O9 S, |2 q0 F1 {* B - tryNum--;
; Q( d( ?" G( W - if (tryNum == 0) {! ]9 U2 v9 u. }+ X
- // 1min
! d0 T7 ^. i& e - // ESP.deepSleep(60e6);
, B5 u8 G: d; z+ c5 g3 o1 [ - ESP.deepSleep(0);" h5 c0 a) b4 u0 A. i( Y
- }; q# \3 q& }( R: D3 ~
- }
$ E H3 I7 Q6 t/ s8 d) i - Serial.print("\r\n");
7 v% F2 Y' e# W- O% J: A0 S- j - digitalWrite(2,1);4 ~9 _" g2 g& F/ U$ E! E' \
- Serial.print("IP address : "); r. Y( h2 E. p/ z3 ]5 g
- Serial.println(WiFi.localIP());
, J" s& ?; z" x: ?- g - server.on("/", HTTP_GET, [](){6 {* T4 t3 U2 e
- server.sendHeader("Connection", "close");
" c) ~! f' D+ T. S - server.send(200, "text/html", serverIndex);
3 R* p9 P% R) ` - });$ [0 {2 n' C4 F6 l6 B
- server.on("/update", HTTP_POST, [](){
, ?/ O- f0 R" `& U [& E; } - server.sendHeader("Connection", "close");
( _# u+ M3 R4 U. m - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");$ T) {# f \ R5 |) [5 a% Q6 ?
- ESP.restart();
7 U/ ]5 J! B, |% e) X" Q - },[](){
9 R! w3 Z! P4 s2 \$ B - HTTPUpload& upload = server.upload();1 a v( e* y( c% k' r4 X
- if(upload.status == UPLOAD_FILE_START){
& i7 B# U( @# C" k, Z* f8 ^/ }, \7 Z - Serial.setDebugOutput(true);9 O6 O9 c' Z* f+ A( ?4 [' R
- Serial.printf("Update: %s\n", upload.filename.c_str());
) [3 ]( e' c# K+ i4 q - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;5 [* u/ R) @2 x
- if(!Update.begin(maxSketchSpace)){8 c! b0 O. U+ S+ u
- Update.printError(Serial);% p3 ?8 S6 [4 S0 Y) x+ G
- }
% q! `' h" a Q/ u - } else if(upload.status == UPLOAD_FILE_WRITE){) E+ [7 H+ _" O6 o% \2 o+ K
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
: m' c# Q: w2 K& a1 _ - Update.printError(Serial);
0 B6 u$ B& }+ Q/ a. { - }
+ {. b7 E; J8 J6 \3 c - } else if(upload.status == UPLOAD_FILE_END){
# z P) Y6 u; r1 L - if(Update.end(true)){
- O( Z B8 e% S/ y4 E - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
6 f ^: E: B- e* D* s' y' f - } else {0 g# B% O' d! h& w. f
- Update.printError(Serial);# |' C5 Q8 R/ { l' V& i
- }3 e( n( [" I+ c/ a1 P! s4 w
- Serial.setDebugOutput(false);+ F' }, H4 `9 @( p( M. ^% s' f$ r
- }8 o8 ?! `+ y* h4 L. c
- yield();# r" X, L. V' p* B8 D6 \3 y
- });
/ D5 h+ y1 W, H# D* ]) w -
, G0 Q8 x0 P( H0 F4 D3 H - digitalWrite(2,0);
; A* \% t9 b$ O% G' u5 k - mainAction();8 O3 {9 @8 ?5 i/ a! W- c
- if (digitalRead(0)){" Z# c3 S2 l% X C
- ESP.deepSleep(0);
" `. p: u# U8 |" R - } else {4 Q6 |3 a1 h) r) d
- server.begin();
6 u1 o/ R6 ~) B& M) y- Z' q - }
2 N! O5 l5 `) X8 D( S - }, e) D# Z. R* ]% F0 O, k* S
- void loop() {) x! a8 @4 b$ b, i( u
- server.handleClient();
. U; k, d# ]: m7 _ - delay(1);2 _* W' {8 V" \5 d
- }
% w# A& W& v( e' e: a6 O1 n, e - String doGet(String url){
' h% `! }& [9 S7 I0 { - if ((WiFiMulti.run() == WL_CONNECTED)) {0 g) p* \" ]& t- J0 z) E
- HTTPClient http;
9 e8 q0 k& o4 n0 @7 }- y7 h - Serial.println("[HTTP] begin...");
* |4 k. F& k, F- ^ - if (url.startsWith("https")) {
' X/ \# O5 Z3 [ - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");' z* f4 u& w& x5 G
- } else {& f% _+ a. D; o* `5 `# _, {
- http.begin(url);
# [) u; ^% u" e' k - }
+ p8 G( N! v3 z+ E - Serial.println("[HTTP] GET...");
8 y( V% k6 [8 ~8 L - int httpCode = http.GET();# C7 M6 \2 _0 ~( l k
- if (httpCode > 0) {
& v' {+ j/ U2 J& O5 ~5 w - Serial.printf("[HTTP] code: %d\n", httpCode);
4 x3 L. U2 t0 ^9 l8 M - if (httpCode == HTTP_CODE_OK) {# C7 S0 f* o& n8 n' a
- String payload = http.getString();
3 n$ s5 k5 T ]! X - Serial.println(payload);' K! Z, L P( X9 [+ [
- Serial.print("\r\n");6 N0 q. B0 f; z2 E
- return payload;
. o* F; l9 G4 r - }
6 y5 f; X6 h+ N' Z - } else {
% N- V3 e' T( ]; g1 l$ X% e+ W - Serial.printf("[HTTP] GET... failed, error: %s\n",' |. Q- N, @, w6 Z
- http.errorToString(httpCode).c_str());
% l s- ^$ k- c* ]3 S - }
7 I) A7 W% t4 u, c. M5 Q; {5 n - http.end();
# Y( i& m0 o: | - return "";6 H+ V* N7 ]& [
- }
' Q* k) S3 F2 m L0 Y0 U - } d) x) g8 {" [- ^4 L( a
- void mainAction() {( _& i' V! y3 x' K! I: X- F
- // 发送请求
$ K4 T8 G; Z$ L6 B- U - doGet("http://google.cn");) h4 k& S' K9 |) G/ D3 i
- }+ K% ]% ^- w. l, Q% R9 |
复制代码 |
评分
-
查看全部评分
|