|
|
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)$ S* s0 H2 Y7 P/ ^8 L: f
- #include <ESP8266HTTPClient.h>
/ e B- n" g3 B4 l3 ` - #include <ESP8266WiFi.h># U3 }% Y, Q8 A
- #include <ESP8266WiFiMulti.h>
/ j1 K( X6 d( [; y- ?2 F - #include <ESP8266WebServer.h>8 a: F& Q% O' X0 e0 J: y3 j6 t
- #include <arduino.h>6 S9 a, O* z2 d/ I& [; T' T
- ESP8266WiFiMulti WiFiMulti;; A4 v" B( G( ? a- f: r% L
- ESP8266WebServer server(80);: l& j% E( Y- t; S" M
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
3 G! M) _( T+ ]- x7 ]/ m - ADC_MODE(ADC_VCC);# I8 y6 v! Z+ |1 d: i+ A9 z4 \( Z2 U
- void setup() {! P: B- \- z9 h" e7 b9 s. V9 [
- Serial.begin(115200);
. l5 b, }2 w+ K+ o9 p5 I$ |' b - Serial.print("\r\n\n");, p, H3 _% g0 |1 M
- pinMode(2,OUTPUT); L: J: W6 Y+ ?4 C7 v
- // WIFI% m* E, c( a. v6 G1 }
- WiFi.mode(WIFI_STA);
$ L( O( O/ G/ u - WiFi.hostname("Sparkle");. N& I/ x) w7 ?* c S: r; [
- WiFiMulti.addAP("wifi ssid", "wifi password");
: l, J4 W* E2 f, ?+ b% |5 p - int tryNum = 15;! J; ]8 U5 r+ J, T' ~
- Serial.print("Connect WiFi");
8 z! E J% Y2 t - while (WiFiMulti.run() != WL_CONNECTED) {
- `5 G/ E' v, ]* Z - digitalWrite(2,0);& V' z( E) R* |( A# }* t/ p
- delay(200);" ~7 y6 I9 I; c9 l9 N* K& m2 ?
- digitalWrite(2,1);
) v6 {+ c" R4 M4 g% L - delay(300);
1 I. i1 Z7 m+ N0 c+ ^9 p* z6 E - Serial.print(".");9 M% a# X* l- w9 Z
- tryNum--;0 |9 L* c) `$ k9 n, j! T) M
- if (tryNum == 0) {% {; J! B. `8 f9 W
- // 1min6 _" t# ^2 {0 U k) w V) f
- // ESP.deepSleep(60e6);
% x" e+ f- z" \# I- z3 q - ESP.deepSleep(0);
: N) E! o" _# f/ Y# B, a2 h - }
- t. A1 }6 F h# g+ [4 r - }) U j3 m. k( |8 @
- Serial.print("\r\n");7 x) p5 U9 C* I& R
- digitalWrite(2,1);
' j8 k+ X8 C$ C& L6 F# u - Serial.print("IP address : ");- q) U( O& X4 F1 m4 r e
- Serial.println(WiFi.localIP());
- y' p+ o0 R$ {9 X" y - server.on("/", HTTP_GET, [](){
5 i# p- r. x9 Q6 z# t: c. I - server.sendHeader("Connection", "close");
4 D+ h3 m7 {+ r; W - server.send(200, "text/html", serverIndex);. B5 k: O* v2 ~9 E2 g
- });) O- z: G% Z& h- C
- server.on("/update", HTTP_POST, [](){8 o9 U. m2 Z8 h: |; y; z
- server.sendHeader("Connection", "close");, D2 }0 U7 q/ q( B \" t
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
) c: T' w2 l/ O; m/ M1 t - ESP.restart();
. \6 t6 `5 I% r$ j, i - },[](){
' q* ?- M. R+ X/ K! b+ j8 d, ` - HTTPUpload& upload = server.upload();: A0 X @/ f; M( }- L9 Q$ [! n
- if(upload.status == UPLOAD_FILE_START){
2 Z5 O$ m7 C; C P0 y - Serial.setDebugOutput(true);
& u6 H, h& U1 ~) \5 a3 A - Serial.printf("Update: %s\n", upload.filename.c_str());
1 S, w0 C; ~# w* ?8 F: }3 n4 ? - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;$ ]& q7 s2 \- U3 a
- if(!Update.begin(maxSketchSpace)){
. b! [( ?3 C8 ^3 C6 w' q - Update.printError(Serial);- Z {. }4 [4 [" A5 r9 ~
- }# M9 Z) v0 a7 e8 V$ a; ]
- } else if(upload.status == UPLOAD_FILE_WRITE){5 J# S/ K: Y* F' Y5 c3 y* s- q3 a
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
8 ^- `1 F8 G# N$ \$ } - Update.printError(Serial);
! S& I; s0 F% ~* K& Q - }1 s( F6 m* ~& I% g# c2 q
- } else if(upload.status == UPLOAD_FILE_END){
5 X4 }: _4 z8 `, c' m- W: W - if(Update.end(true)){, x2 ?. |- ^3 Z" z
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize); z8 j2 d) Z6 o V4 T9 ^
- } else {9 B# b4 i/ u& p$ k3 \! r# }: a. K4 ~
- Update.printError(Serial);
6 t s1 D+ \! e: w! n - }
7 X. K' Q4 \" \3 Z9 O8 C/ p - Serial.setDebugOutput(false);/ l2 k k) @4 `4 e$ j& `1 H, S" d
- }" b* N+ P4 i% D* s) O
- yield();
1 a5 v+ Q$ T2 C# J - });
7 X9 _4 ]0 ^8 H' R9 B. A - / v1 |. p; ]; X) i+ l7 T9 h
- digitalWrite(2,0);5 p* b8 ?8 G6 c& h# s
- mainAction();
9 [* E( R$ X; g1 n8 {( c+ E - if (digitalRead(0)){
2 L; F/ V: v: |" U( j$ r) ]. L0 `; x - ESP.deepSleep(0);$ I1 [* K5 L. F& g. c
- } else {
2 ] v$ @, e1 P! G$ ` - server.begin();
' Z: i1 q" x S7 B7 e5 A - }$ ?0 m% I7 z4 q( r( p
- }; v/ i0 g& [. c# e4 J: {- I
- void loop() {
/ [$ R5 M6 P' P1 T: Q, X3 T - server.handleClient();
& _: Y8 }: i. c - delay(1);/ D H6 y9 w' o- A. p+ d5 B, i
- }
+ m, ^4 [) X. B e% i4 t - String doGet(String url){
8 o5 O1 S$ } L" ]+ | - if ((WiFiMulti.run() == WL_CONNECTED)) {3 T& Y# L0 m) ?. k0 L0 b' r
- HTTPClient http;
3 Z8 i5 S4 R. m, N& a$ Y8 b - Serial.println("[HTTP] begin...");
3 B& I( c6 V* ]+ X6 N - if (url.startsWith("https")) {
& r# I1 G, X* V) \ - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");. a: k2 D. o! D' N: t
- } else {
6 V! j% K; w: w0 y - http.begin(url);) z8 _, I# J: {, W
- }
/ N b' S8 o( S - Serial.println("[HTTP] GET...");8 A) {( U2 d; @0 W, M. J
- int httpCode = http.GET();
6 E6 z+ s2 {" C; g - if (httpCode > 0) {0 p0 F* n" K# k" w- H; M/ t
- Serial.printf("[HTTP] code: %d\n", httpCode);
4 V' \4 ^* x: H" H - if (httpCode == HTTP_CODE_OK) {; N% l. ^) [, F! v
- String payload = http.getString();' t( M8 z) W3 W5 O
- Serial.println(payload);+ G' W3 e9 u6 C* @3 l
- Serial.print("\r\n");9 l2 B1 g# h- w8 Z2 O
- return payload;$ X, N6 p; M& G f, L `. Z( U5 B% w% H
- }2 _+ {7 N" X$ e$ M
- } else {
1 _/ ~4 }' F+ w- s0 e3 g - Serial.printf("[HTTP] GET... failed, error: %s\n",, X1 t- {) H' l' c+ e
- http.errorToString(httpCode).c_str());) _+ S! X; m8 _# ]7 l6 @6 E4 T0 e
- }; z: A- h3 m2 |# h: Y1 j& I
- http.end();
- Q# U# C5 j5 d" y w0 c! I - return "";
! t+ f& o1 E+ F( ~" } - }
. N2 C, A2 |7 Z; M7 Z; ~, R, L1 k - }
1 P; T1 g: o2 ]1 j9 e8 B1 Y - void mainAction() {
) f. e' m: Q) H - // 发送请求
; f! f6 f& C5 K& u - doGet("http://google.cn");
- Q/ X3 o( I# A# E/ P3 I - }
' }9 X9 m. ^; t" s$ a- O& H* j
复制代码 |
评分
-
查看全部评分
|