|
|
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)* F1 g- k6 l4 [' ]1 Z& ~
- #include <ESP8266HTTPClient.h>/ B" A& M( p/ b u7 x
- #include <ESP8266WiFi.h># j# m! g1 o# K5 a# M
- #include <ESP8266WiFiMulti.h>, u5 R# o% G& R4 m5 ~* m$ g( b8 x
- #include <ESP8266WebServer.h>2 I- M$ F4 }; q) t$ C
- #include <arduino.h>% j* e5 l" i" M" b8 y% d5 w
- ESP8266WiFiMulti WiFiMulti;/ u! \2 S' S& z) K! H& k2 j
- ESP8266WebServer server(80);
$ ?0 g. _) E" K4 C0 ^ - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";0 `2 I4 L( t( z$ b8 `
- ADC_MODE(ADC_VCC);+ R. h# N0 y( \
- void setup() {
+ k6 f# p, s8 w% ]7 ^$ Q - Serial.begin(115200);
( Y( X4 j1 R6 y! E- @% Z# t1 m# K - Serial.print("\r\n\n");
7 J7 V- y! G9 K6 \2 o5 N: _ - pinMode(2,OUTPUT);5 f% j( D/ W% ^6 ]0 u
- // WIFI
" V7 r$ }7 e8 i' V, `3 }" c0 f0 v - WiFi.mode(WIFI_STA);
5 e- Y, Y( L/ F# O6 t& L0 H. N! e! | - WiFi.hostname("Sparkle");
' ~: N& f! W/ z% m - WiFiMulti.addAP("wifi ssid", "wifi password");! y( ]$ x9 _: G
- int tryNum = 15;9 t9 b5 l+ k3 v6 u) ?
- Serial.print("Connect WiFi");
$ C) \0 m/ V* B3 E% D; c - while (WiFiMulti.run() != WL_CONNECTED) {: \. _: W4 O, L7 J
- digitalWrite(2,0);% h" u4 O/ W+ @# r& k2 e
- delay(200);. q3 A& C3 M7 V9 {: [8 H
- digitalWrite(2,1);
" g5 }6 H+ h4 {/ s - delay(300);0 D, f& Y! Q" s: J! X$ g
- Serial.print(".");* J( V; t2 q2 k, @1 i
- tryNum--;
' f" |5 y, n5 C - if (tryNum == 0) { C: ?5 ^( O( s2 g
- // 1min
3 }. u) |# W. u* ~ \ - // ESP.deepSleep(60e6);
7 K0 |# B$ [3 G6 J; f2 b" A - ESP.deepSleep(0);
; g( Q# {3 K3 o' R( w - }. p% A$ e% D9 |7 H
- }% u: d7 G( u: _0 e: ?) c- q
- Serial.print("\r\n");, b+ Q. W8 [7 p! H% w& Y
- digitalWrite(2,1);
% G5 Y- X. | C+ ^; y - Serial.print("IP address : ");
& R# T: m9 r# Z; B - Serial.println(WiFi.localIP());. D" G5 N% o" `1 }6 ]2 I, x4 S/ o
- server.on("/", HTTP_GET, [](){
a% U# b4 }5 _( N' ^& }+ ~ - server.sendHeader("Connection", "close");7 {- X: P, G/ o. j) ]7 W: Z' B
- server.send(200, "text/html", serverIndex);* j$ S% H1 d3 C' D7 L6 l
- });' O" N' j5 ^8 z+ v2 W" s% K
- server.on("/update", HTTP_POST, [](){$ t! i9 y) U2 z' }
- server.sendHeader("Connection", "close");; ]: ?/ c/ W- ~9 C+ G
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");1 {+ S+ d8 l9 N4 Z
- ESP.restart();( Z5 t, Q6 S9 l
- },[](){
/ Y) s6 T* S* @; x; `; [- ~ - HTTPUpload& upload = server.upload();& k: }; R, g/ |3 d
- if(upload.status == UPLOAD_FILE_START){
3 O& f4 P- R6 l" z e. W - Serial.setDebugOutput(true);: H+ T! Z( a& T9 n& v4 ^) O8 L
- Serial.printf("Update: %s\n", upload.filename.c_str());
7 J s9 K* ~ x- m7 N+ D5 F: D - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
; S9 k+ a4 H9 ^7 g* M - if(!Update.begin(maxSketchSpace)){
( b! J8 M0 B. |* `" i7 A - Update.printError(Serial);+ q, I+ x' P T/ M* N9 P
- }
K8 q3 l1 P$ r0 | - } else if(upload.status == UPLOAD_FILE_WRITE){" Z: j% E: a8 e) V& q* Z
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){" o6 f5 s' J6 Q- p, ]) C; y
- Update.printError(Serial);& }, u/ o( c3 x5 I& R
- }
# p8 S0 [5 q- B+ Q' M - } else if(upload.status == UPLOAD_FILE_END){
, `7 B K& }* r5 q. p( k8 Z! { - if(Update.end(true)){' K/ W) v* V) r: G& E
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
# u$ S$ {/ @: O7 [0 [ - } else {
( `) y6 }+ h1 a7 y - Update.printError(Serial);" d5 V9 Q5 I* n) ]( B
- }
! s( D7 j5 L7 z' g1 T$ u - Serial.setDebugOutput(false);( N8 @% G; M4 e$ Y" U# x) Q& E
- }9 l& z1 c! X( I* Q" G% I6 {% I) S
- yield();5 R9 F1 O3 d$ ]# l$ f: ~3 K
- });5 B' u4 _( E* d' H* G8 I
- 1 U/ F" j8 B0 ]1 x8 p$ [
- digitalWrite(2,0);
$ s9 y5 |' f! p* ] G1 @+ J$ h - mainAction();' Y$ ~. v0 C7 z! b4 w
- if (digitalRead(0)){
' R1 Q: k. s: P, D! f4 f6 K - ESP.deepSleep(0);$ k7 h! [. T) q2 j( N, R
- } else {7 ?" X9 o$ Z: E) L
- server.begin();" a* H, V5 Q) a& `5 J5 C
- }6 p$ q1 Q5 b, @
- }
; k! i" b! v' z - void loop() {
# Q" d, a) s! i5 K - server.handleClient();
( E, ?5 W4 V5 _( \ - delay(1);
! B! X8 L4 ]2 B+ I; h" x) } - }
! R8 A5 N" d+ g* P - String doGet(String url){- Y' B+ I0 D! _- D% m; m/ n
- if ((WiFiMulti.run() == WL_CONNECTED)) {
# D7 m* z6 c* r L+ j3 q. @, ] - HTTPClient http;* _0 q5 A/ c& z0 n6 M* u% o& d4 K, o
- Serial.println("[HTTP] begin...");
* p7 [. a; v. k* F# j7 J2 J c - if (url.startsWith("https")) {+ M% g' X E0 e8 p" ~2 {( O! o
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
! t* h7 J6 t9 [" _, m - } else {
0 }3 } @) g% V! T& z - http.begin(url);# A6 ]! |4 e; T, v$ U$ m
- }7 j& c- j: x }1 ~+ P1 ]
- Serial.println("[HTTP] GET...");; \" T! J: t& i9 n% ^( Y) H* [
- int httpCode = http.GET();
2 w% S, O6 d0 v. z# b- t5 | D* }3 V - if (httpCode > 0) {
! y, @3 z/ T$ O" a/ V4 E g' T - Serial.printf("[HTTP] code: %d\n", httpCode);
, p5 B: `( }; q. I. s3 | - if (httpCode == HTTP_CODE_OK) {# j2 Y' _* Y5 x# V: ^
- String payload = http.getString();4 Y5 J+ H- I( }0 f( x
- Serial.println(payload);
/ o1 U# K# g7 d; ?: H - Serial.print("\r\n");
7 H: K3 ?$ ]; F/ h - return payload;
+ i; T& g5 m$ f, P7 R. r; W - }
! m. m) ~+ ]$ q5 x" U - } else {
7 O) V- }3 W& Z: l: { F. D) s9 ]2 F - Serial.printf("[HTTP] GET... failed, error: %s\n",
# [* d8 B$ ^, N6 H - http.errorToString(httpCode).c_str());+ u/ P% j" V4 R e1 W' L
- }, ^ L$ ^2 Q6 I. W0 K
- http.end();+ Z2 h. X. X: J- w5 k" i: \3 Z; O3 ^3 W
- return "";, g3 q+ Z4 v: ]1 B% \/ m- o' j
- }
' @- F+ `; _/ N# H" O3 c8 } - }+ i$ f6 m, u1 I# Z) }& E4 N$ }" ^) l
- void mainAction() {7 I+ W# ]0 F5 N- z4 l
- // 发送请求( V6 y- C7 A( `
- doGet("http://google.cn");1 L! C! }8 _) R3 k1 } ~
- }
. X3 H9 R$ Y6 q; J! D4 _2 r+ v
复制代码 |
评分
-
查看全部评分
|