|
|
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 r: P4 y; Y; t. P: \* S- #include <ESP8266HTTPClient.h>% y \$ V( Q6 Q5 }) Y5 C5 G T
- #include <ESP8266WiFi.h>+ b. Q: T* x, D* v
- #include <ESP8266WiFiMulti.h>8 {5 s7 `4 |8 ~7 G$ V1 A3 Y
- #include <ESP8266WebServer.h>$ t6 `1 R! Q4 Z4 n/ ]- d$ a
- #include <arduino.h>& u: w3 b1 U; W6 |/ }
- ESP8266WiFiMulti WiFiMulti;
9 ^0 d, y# z4 h+ r% U6 v& p% d - ESP8266WebServer server(80);# i: t* Z0 F. E" K8 l
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";* B4 l* W% \9 _* W$ Y
- ADC_MODE(ADC_VCC);
2 c. w7 o9 `4 p( } - void setup() {( v* b" b, Q9 d6 _4 T' ~
- Serial.begin(115200);0 C* a2 {- e& R% |" _ I6 K% R# j
- Serial.print("\r\n\n");* ]* Q5 u2 V" f+ }/ h8 h: l
- pinMode(2,OUTPUT);
: p0 Z4 D; @' V8 x9 X* i# b4 _ - // WIFI
" E9 x- S) I0 V! a+ m7 I - WiFi.mode(WIFI_STA);
$ L5 | ~6 i# h3 a' Q W9 I6 m - WiFi.hostname("Sparkle");% q: r/ ]) h) j y; B% ~9 {4 R
- WiFiMulti.addAP("wifi ssid", "wifi password");
0 P; `$ Q" X8 M9 U T: ^1 q, c - int tryNum = 15;
" ]5 |' e, X* V, _* l, b5 Z: ^ - Serial.print("Connect WiFi");
0 f( E0 Y- s$ I6 _# D - while (WiFiMulti.run() != WL_CONNECTED) {
; ]) a( x3 |6 l - digitalWrite(2,0);2 a% V' h0 D4 c
- delay(200);1 }( I4 s' g$ U# n/ k
- digitalWrite(2,1);
- o4 {/ b! i: h3 t- F: x - delay(300);! q: i( P8 e7 H U
- Serial.print(".");, n k$ S) U" b1 f
- tryNum--;9 Y% v' w+ m0 B0 k3 u9 @& a! l
- if (tryNum == 0) {
5 ^% K/ o9 R; S9 S% W# Y2 a - // 1min! S$ J0 n" M0 d g2 P9 X$ c
- // ESP.deepSleep(60e6);4 ?- d+ S; K y% ?$ s5 i
- ESP.deepSleep(0);; v) l8 q/ @2 n- \
- }
' _, D0 H# P; s, H - }" [) _3 V; c3 ^7 N# ]& ]/ _5 ~4 J. G
- Serial.print("\r\n");) f% S* c: P* V' y1 k7 a+ e
- digitalWrite(2,1);
) R& Y# D4 @9 z" F5 z i - Serial.print("IP address : ");5 \9 f' t% o7 B$ r# t
- Serial.println(WiFi.localIP());" ~0 n+ ~# ?6 \6 \0 n
- server.on("/", HTTP_GET, [](){
0 R" t3 @, x9 r# J4 B - server.sendHeader("Connection", "close");
) d& t; Y5 u4 M. B0 {: @ - server.send(200, "text/html", serverIndex);) t" i: O; n" N, [# T* v
- });
* ^8 k3 z6 L3 G d1 ~& X9 S% ]; u - server.on("/update", HTTP_POST, [](){; p* O0 ]7 Q! D
- server.sendHeader("Connection", "close");3 J1 t+ Q1 u% P7 [) t
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
8 I/ |- m5 M6 `7 i, q% u - ESP.restart();
' \$ [+ r! [6 B) Y7 o6 y: F) y: { - },[](){
( c; ^2 c) R# j - HTTPUpload& upload = server.upload();+ E i; y1 H( m
- if(upload.status == UPLOAD_FILE_START){
4 G) ]$ V6 S/ f! i - Serial.setDebugOutput(true);
; a3 I: e% W' G2 @% N: x - Serial.printf("Update: %s\n", upload.filename.c_str());
" D! T& k: ~; h- }5 K - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;3 J4 \1 [ I% }) D& }
- if(!Update.begin(maxSketchSpace)){
2 {( f' _0 F) l5 n: U - Update.printError(Serial);" w+ w/ y9 j+ B" |9 Z3 L6 z
- }1 @6 H! ?( Y- V
- } else if(upload.status == UPLOAD_FILE_WRITE){
?- [( i! Q g" G& f- U - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){9 Z7 T" j0 ^1 f4 w4 t2 _
- Update.printError(Serial);
) u: z% ^- n7 |7 G; I - }
: }: k' y; i0 F; ^4 S9 r; D+ @- m$ C - } else if(upload.status == UPLOAD_FILE_END){3 X, h8 d' I9 B* o
- if(Update.end(true)){
% d( n" c& x( C+ ]* q7 g8 J - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);( a! n/ O6 d. {7 S, c: w4 E, z
- } else {
, @& s" ?5 y7 n5 T# x) m( U - Update.printError(Serial);
$ E; b) P0 h4 t* i& {' X& I - }' k0 G+ X' w3 i z3 d' }/ U
- Serial.setDebugOutput(false);8 R% ] D: t/ F/ @0 R
- }5 n+ h# j$ C* _" V: h* t: R5 e3 Y
- yield();
" f8 j' H" O3 a - });6 Z0 W! C1 [; V0 X
- 9 R* n) l' k0 m6 K+ V: ^. |# X5 r
- digitalWrite(2,0);
: v$ Q- m4 E8 E7 u' O. J - mainAction();
; {# u/ w4 U: H- U - if (digitalRead(0)){
: `* U& U' k H, ~( F' L - ESP.deepSleep(0);
3 R/ c# ~7 `8 f6 Y) B: u - } else {
4 `: P$ Y. Z, g f2 s0 V* q }7 D8 ` - server.begin();
+ ]! i1 f/ E" D, q- _7 C3 n( F - } k' O& j+ I. K4 s# j
- }
a2 K# I, u( |: N% ? - void loop() { h# M x j# m( v$ c! C& a# j) q
- server.handleClient();
. z+ Z# J8 M/ X0 z - delay(1);
) u" Q) f3 t% T/ C* I( C+ s - }5 Q/ X! ?) v% q% ^2 I
- String doGet(String url){
5 H) @6 S' c: p$ C( r K - if ((WiFiMulti.run() == WL_CONNECTED)) {/ [' T Y; v$ m+ q; k5 `! Y6 h* x
- HTTPClient http;" V; t7 p/ r: W$ r
- Serial.println("[HTTP] begin...");
0 T1 Y$ d- }9 Q$ D; B8 a - if (url.startsWith("https")) {" e- Q8 F. ~) |5 q1 j
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");; h) t: a/ {3 X% Q
- } else {
$ H2 @9 o5 J6 {5 j* M - http.begin(url);/ O3 |7 R& \; U
- }& M* }' i* c8 W) Y
- Serial.println("[HTTP] GET...");
! ~; z1 {8 O% E# e6 c4 C" F4 _ - int httpCode = http.GET();- o: }2 G, J% m, ]
- if (httpCode > 0) {
' X7 B; v+ Q( `- }, v& v - Serial.printf("[HTTP] code: %d\n", httpCode);
; l0 H! b0 T0 G* K$ z0 G/ K - if (httpCode == HTTP_CODE_OK) {
6 j; {( {; F6 u& g( n ^* C - String payload = http.getString();" R4 V0 c3 C: ]7 |) f) S; n0 F
- Serial.println(payload);5 [/ M5 T( i5 m: P$ t
- Serial.print("\r\n");
" K9 M& x5 S* x* U8 _1 \, M2 t( A - return payload; n: B8 }3 l4 T, X# r* r% G3 J
- }, X+ ~ A" e3 j4 j- O
- } else {- v3 N0 P6 }! g% ]2 E
- Serial.printf("[HTTP] GET... failed, error: %s\n",
# \# i: B2 ~! c! |5 } - http.errorToString(httpCode).c_str());/ b) X% _& w5 M2 _. v0 S |# A, I+ l% B
- }
% d x8 A+ @. V' P6 C: [9 Q* I) d - http.end();
9 P& I. m/ p( `" w2 T1 V4 j - return "";8 m( R9 c" G- r. l6 ?0 v$ C
- }
0 J% N( c5 ?( y- \3 I - }- J) b7 U$ d0 {' A
- void mainAction() {$ Z- [" h; i2 R% r$ a
- // 发送请求9 W( ~# @: Y1 ~3 V7 G
- doGet("http://google.cn");
$ X! l) ]2 J: b& }9 p - }) J* h& @4 ?$ [% |" P$ ~: e* m
复制代码 |
评分
-
查看全部评分
|