|
|
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)
# C7 @* [% Y7 r8 }- #include <ESP8266HTTPClient.h>8 m4 E" m# s0 w, l$ u) h
- #include <ESP8266WiFi.h>
8 ]/ v8 ^1 n+ q - #include <ESP8266WiFiMulti.h>7 M" s, K, L8 ?
- #include <ESP8266WebServer.h>
& } O" u Y' M k( M4 v - #include <arduino.h>+ @% T i) G- C" C1 Z
- ESP8266WiFiMulti WiFiMulti;" W# Q' H+ B1 x7 d
- ESP8266WebServer server(80);6 ]4 b0 d5 m8 i. E& X/ ]0 N. Y. |
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>"; x% r+ ^; ^5 K* B
- ADC_MODE(ADC_VCC);5 u7 M6 j, m' J' I) X2 x
- void setup() {. G+ X$ ^6 J6 T2 n0 K5 Y
- Serial.begin(115200);. v' o# `5 ~3 k0 |# t( n0 Y$ A
- Serial.print("\r\n\n");
* G$ P$ G9 j0 f$ O3 {- a) B - pinMode(2,OUTPUT);- w4 |9 e4 c+ ^+ S8 U( y9 Z: y* `
- // WIFI
/ X/ L& C2 C2 w: l# C/ N2 ^ - WiFi.mode(WIFI_STA);
% n5 \# m- M9 G* D/ G& h - WiFi.hostname("Sparkle");, F0 }9 }7 R1 K1 n
- WiFiMulti.addAP("wifi ssid", "wifi password");0 c+ j5 \2 D6 {# ~* i0 K
- int tryNum = 15;
# G: p! N0 Q7 z/ o0 U) i - Serial.print("Connect WiFi");1 Q H8 B) R% m" m; e' w* J
- while (WiFiMulti.run() != WL_CONNECTED) {
4 S" |& [/ Y# ]( P' Y - digitalWrite(2,0);7 h% q* v4 G- t2 ]* }( a; `
- delay(200);
' Z9 d, A) t1 r) G. d - digitalWrite(2,1);
8 F. A2 C! y8 \ - delay(300);
, |8 k, W) T6 u4 `% ~ X! c - Serial.print(".");
; C3 s/ u5 h* Y - tryNum--;9 j( P" S$ r$ R0 v4 K. u
- if (tryNum == 0) {$ i: D8 Q* ~5 S1 _9 d* t
- // 1min; \2 y/ \: ]( ^& N
- // ESP.deepSleep(60e6);
, y0 @. M$ v( O" r+ u6 y1 {3 n - ESP.deepSleep(0);
" t; |. Z R. x) @1 @0 t0 b) D - }
9 k* |" _, Q+ u4 P) I, T7 Y" [; C4 o - }
9 } s7 p8 r# [# a8 T! u; a& c3 `. g0 r - Serial.print("\r\n");3 O2 f4 e+ Z# F8 e3 c+ x, T
- digitalWrite(2,1);
( L: n( E5 y0 D - Serial.print("IP address : "); o6 I. w* j/ A7 M% d1 P# W" }
- Serial.println(WiFi.localIP());
5 P( u% x) ~/ j" b - server.on("/", HTTP_GET, [](){
" t2 ~1 X' f0 `& @) { n, z4 w( L - server.sendHeader("Connection", "close");
) c7 U8 h' v0 D0 N, F2 i - server.send(200, "text/html", serverIndex);
& b1 G% G6 s- j) ]* k - });3 j+ l+ q- Q' u2 P: S' n* T
- server.on("/update", HTTP_POST, [](){
' G% w- W4 H6 [. x- u* Q. N4 ^4 V5 r - server.sendHeader("Connection", "close");
4 |1 L! j! h/ V( H7 T - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");9 R+ R* `2 e! ^# y
- ESP.restart();* h; \/ c2 P- c$ r
- },[](){
( r8 Q7 U. m+ E* }7 [9 I# s - HTTPUpload& upload = server.upload();' h1 q4 u/ K; j0 h8 @& t8 F" M
- if(upload.status == UPLOAD_FILE_START){
1 W6 N! q* F" k9 {$ ]+ |5 k- W - Serial.setDebugOutput(true);1 d' V- b% j( g* x
- Serial.printf("Update: %s\n", upload.filename.c_str());" _8 z$ k# e' f7 S4 w
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;, l, F+ H8 l! h7 h
- if(!Update.begin(maxSketchSpace)){; O( ?; ^/ ?: b2 C2 n/ ^" o2 K2 v$ Q
- Update.printError(Serial);" A2 ~9 O, W+ F' p" A( C) M7 C r
- }3 O. p, g$ ]* I% m& O3 ?
- } else if(upload.status == UPLOAD_FILE_WRITE){
( |& n" C3 x2 f& u, @: W - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
* b, Y& O- M! e0 F9 r - Update.printError(Serial);
, S7 ^' i, x: M - }. L4 s: a1 O8 Y- l3 W
- } else if(upload.status == UPLOAD_FILE_END){8 t8 {& Z0 W& `% o+ I
- if(Update.end(true)){9 t! |2 ` [& Q$ p( e) F- h7 g9 S( ^
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
( n$ b+ d# j5 b - } else {
6 c- h" D# ~8 o7 Q9 G' G - Update.printError(Serial);
+ t/ E: ` L+ `, G- S0 `3 D - }/ b5 i F' w" a1 N) y
- Serial.setDebugOutput(false);& V) }/ E2 o# R2 r4 O
- }
; r8 t5 j, O6 Y7 V3 T# j2 r - yield();. Q$ F+ G7 O/ z/ u# S9 X5 A
- });1 {9 G$ V& r" j5 E+ h2 Y: M4 ]" i
- 2 \9 Y* W- H4 |7 `+ J% G
- digitalWrite(2,0);
# F! a9 U# w0 M - mainAction();, o1 k) ]. Q7 p v5 p$ ?4 L
- if (digitalRead(0)){
4 N0 {% d+ t7 V# v - ESP.deepSleep(0);
1 K$ i0 W _, H! d; r" q& }7 p - } else {+ z6 `0 i8 A1 y1 W
- server.begin();
v7 u+ _* u4 q - }& c3 ^# d" ]& b q6 r' z7 [* [; E
- }$ @6 W0 {0 W$ b+ n+ {. A5 a
- void loop() {' m8 F4 x0 D1 g9 x- W
- server.handleClient();
6 g& F9 [% s; ~ - delay(1);9 v- {' o- y+ \% P
- }
; U; c, G2 |; u9 ]$ A' e! A7 E - String doGet(String url){
$ ~* H% H) G; H" L! D - if ((WiFiMulti.run() == WL_CONNECTED)) {
, V( ~% R# b( Y - HTTPClient http;- ]% k& B4 b) O9 z1 S# D+ ?. F- m" |
- Serial.println("[HTTP] begin...");) v1 u9 N$ h; {" u2 Q p! V
- if (url.startsWith("https")) {
N9 q% Y, h- A7 Y, t* ~1 e7 @ - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");2 x) L/ K* f# g J3 t q- L# W
- } else {9 c& F' c+ ~) c& o8 U# @( o
- http.begin(url);
: Z2 w2 K- G7 m- i, t- ~ - }0 ^9 u, @1 P# w; D, L& |# d
- Serial.println("[HTTP] GET...");
2 [ X9 W: r" n/ C. T2 W - int httpCode = http.GET();& R+ \" O3 p: g6 d, e5 S) ^9 {1 ]
- if (httpCode > 0) {/ `* S5 o/ W. _5 w$ w
- Serial.printf("[HTTP] code: %d\n", httpCode);
6 P% `, Q2 G2 O - if (httpCode == HTTP_CODE_OK) {: Q2 h+ V5 S5 Z! L$ S" _
- String payload = http.getString();; X Y- X% }8 I" ~9 }
- Serial.println(payload);0 @: ]9 n2 l: d1 R2 f
- Serial.print("\r\n");
A$ M0 ?* Y9 ?; l - return payload;7 }4 c/ h8 I7 ]. d
- }
7 S4 h' o$ N* E: H2 q, v4 G$ u - } else {1 B9 I& t: A7 d+ O2 U
- Serial.printf("[HTTP] GET... failed, error: %s\n",
8 M/ X- i5 r2 X7 e2 \ - http.errorToString(httpCode).c_str());; F' M* c2 E. Z
- }. ?. e# l/ a# M g% e, Y: E
- http.end();: J8 W- s# L8 G( m! H& k
- return "";
' }) B# t( G/ y/ W% @/ ]4 H - }0 o7 C6 B5 z2 o0 V; g5 e! A! r
- }
8 N, u5 i* B. z' B - void mainAction() {# {' A9 `2 M& n2 V8 y. d
- // 发送请求
9 T3 z& J {5 i2 |# N - doGet("http://google.cn");
, ]* ~7 W; M6 X' f9 _ - }$ D/ d0 ^, `+ U2 }2 R/ D
复制代码 |
评分
-
查看全部评分
|