|
|
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)
# \0 c# K$ N4 N) Q! U5 [! s0 E- #include <ESP8266HTTPClient.h># L; q' G! _' V
- #include <ESP8266WiFi.h># U0 t. U9 M! {: D
- #include <ESP8266WiFiMulti.h>
7 v- y+ S9 T. I" `- h1 e" F - #include <ESP8266WebServer.h>
/ Z: c* ]& B7 Q0 t1 s, R% @6 { - #include <arduino.h>
% n& `( K, S$ R7 I2 j% u& f - ESP8266WiFiMulti WiFiMulti;- {, v# i. G2 F6 o& U
- ESP8266WebServer server(80);6 B* L( B8 E1 D. z
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>"; q3 Z/ w/ {3 T- i8 G; k" }
- ADC_MODE(ADC_VCC);7 T$ X- v' l; R, W9 J9 e; m) |$ f
- void setup() {
" d+ o& L( ~) a0 p0 x" q% Q3 p - Serial.begin(115200);
3 P* X2 `) V! E6 I/ A* O8 Y$ j - Serial.print("\r\n\n");
8 N5 i: l6 k! R1 d9 }1 ^ - pinMode(2,OUTPUT);6 U7 A9 K2 D. v \, R$ s4 o
- // WIFI6 l! c7 \: {$ I8 V3 a- D* \
- WiFi.mode(WIFI_STA);
7 g% n! v, D% g: j - WiFi.hostname("Sparkle");
' [& ?& ]* `) i: s1 n - WiFiMulti.addAP("wifi ssid", "wifi password");
" h& v4 K' o z* Y( g5 f2 o9 w& R - int tryNum = 15;+ l' {- n1 x! f
- Serial.print("Connect WiFi");6 J4 H8 Q/ k e
- while (WiFiMulti.run() != WL_CONNECTED) {% _6 X5 f$ ?! Z+ ]6 Z" g# @
- digitalWrite(2,0);
3 x2 s J. F9 m% u5 u$ g# l1 [ - delay(200);; F% H# J3 m: F! H M
- digitalWrite(2,1);' T) I: S: o2 M2 @+ n1 ~$ B, R! N
- delay(300);
% H/ F. d! k- f# v" s - Serial.print(".");
; E/ x1 W- t7 X5 _, \ - tryNum--;( z: \: ~% Y0 x& N
- if (tryNum == 0) {
s5 l. Q9 s8 h1 @$ A9 M' f2 F" ? - // 1min7 a9 X3 |" R6 |( Y9 b
- // ESP.deepSleep(60e6);
- p' R* ~. R1 O c' C) u$ E, k - ESP.deepSleep(0);
6 [0 C: p5 @8 T2 |; m; l - }3 L, w6 p% w% a/ j3 Z4 h
- }! c) w: r, [/ U" p: Q2 j
- Serial.print("\r\n");
0 K4 P& I/ p' F y4 J; v, v7 `( \, u - digitalWrite(2,1);
3 J; ]4 D% x+ w0 P - Serial.print("IP address : ");' b) W' F# j6 L
- Serial.println(WiFi.localIP());0 B# P3 B$ ~- z1 H
- server.on("/", HTTP_GET, [](){ d( ^( K4 t" i) G( P6 x
- server.sendHeader("Connection", "close");
" ^8 w/ u, `9 U$ q$ v - server.send(200, "text/html", serverIndex);( b, W' Y- @- g V8 |
- });+ `1 w9 q0 ]& A
- server.on("/update", HTTP_POST, [](){5 a7 R( G, P- ?! n+ _5 P
- server.sendHeader("Connection", "close");
6 X% [7 G5 ]8 n: Y, A - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
7 x/ L% }! [+ n) [7 x8 u$ j1 ]+ V0 ~( y - ESP.restart();- M% R8 y" `' Y" {
- },[](){
' @) |+ _" x0 }1 c - HTTPUpload& upload = server.upload();
( c* `, J) l, E7 Z0 S) T C6 U& L - if(upload.status == UPLOAD_FILE_START){
1 ]/ x/ z5 \8 {* z- L- ] - Serial.setDebugOutput(true);" X8 j. {7 w1 b5 s
- Serial.printf("Update: %s\n", upload.filename.c_str());: T& o7 F/ a+ [4 |) o$ r2 F
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;3 s' p& o9 M0 t8 k: T
- if(!Update.begin(maxSketchSpace)){
& l; {1 d. l( X: D/ U6 E - Update.printError(Serial);7 r4 j# I: p, p7 ~
- }
) E2 p1 E k4 L: f( G% C8 e# o1 ` - } else if(upload.status == UPLOAD_FILE_WRITE){
! {. m ~8 v) e9 _9 V - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){. S j. S! F& D8 t3 g; P! K
- Update.printError(Serial);
3 W: j' w4 ?; i5 _6 x2 r/ q9 J - } q0 V4 c# [/ v: k7 w# B
- } else if(upload.status == UPLOAD_FILE_END){, V* }9 U6 J. p0 n& \) ?
- if(Update.end(true)){% G2 |+ M4 e( n9 }
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
' b0 v7 p3 Q G- _1 C - } else {% v# }2 W: s4 D
- Update.printError(Serial);, z! i) F$ \1 z9 ^2 f
- }
4 U) ?& r9 n; G2 @9 ]- ~# k - Serial.setDebugOutput(false);
6 Y G$ f. P% o. u( T - }
' P+ k: c. f$ x. w! e - yield();. z& W5 |8 J' ?+ F+ s) Z
- });
$ d# Z0 a, H$ n6 S6 b1 V7 W2 { -
3 b8 Q4 Z* p3 a9 O/ M - digitalWrite(2,0);& V {# t9 m4 E5 D! B
- mainAction();
3 ]. T w9 a. U - if (digitalRead(0)){
! @/ E2 D0 [" ~' m - ESP.deepSleep(0);
8 y4 n0 U* J" I7 b6 P - } else {! b- b F2 f& H2 f, e* h
- server.begin();) g# F- t5 k6 N& N# q& X
- }
/ g" h/ p' Q4 e, Z. K - }6 Z Z2 v0 X3 a, Y+ C
- void loop() {
$ u0 a/ S8 c$ k2 ? x - server.handleClient();
% B- c9 s5 `( W; h- V3 Y. D! t - delay(1);9 t+ D! ?# ^ F* q" t9 @5 ^
- }! Q! Q0 R( G$ C, s
- String doGet(String url){
/ }3 W7 r/ w- x0 r - if ((WiFiMulti.run() == WL_CONNECTED)) {
) g" w. {# a% p0 _' D/ r/ p - HTTPClient http;
4 e; F3 l/ R! M4 K3 r - Serial.println("[HTTP] begin...");
: ^! j# `& d2 i: X; ]8 e- \ - if (url.startsWith("https")) {
2 ~& ~" P6 t3 r/ b1 h- } - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");7 R* E/ g* F: P
- } else {
; I9 N1 k! e2 P' B - http.begin(url);
0 X; r+ A; `& c" N5 T9 `) k: E, t - }
/ H. o/ }( L; n; t1 W( N; b, x( P - Serial.println("[HTTP] GET...");
0 a2 z- M/ q. E, D- w( j2 D - int httpCode = http.GET();
2 a3 a% G' Z( k; g+ A - if (httpCode > 0) {4 `! ~' }7 n; b c
- Serial.printf("[HTTP] code: %d\n", httpCode);
) ]2 D2 e& S, v/ a& X3 Q - if (httpCode == HTTP_CODE_OK) {% U$ Z, r$ `' b4 k) E
- String payload = http.getString();- s( }# o: O. d" W% Y+ L5 l
- Serial.println(payload);
4 q- G4 F) g6 l) R# s - Serial.print("\r\n");
4 m7 x7 [0 G5 J* u% Y- M7 G - return payload;) \* o3 ]+ w9 W# D6 t
- }* S4 j& x% A' e j8 G O! P
- } else {1 B- `% ~, E1 L; x6 I* O" \2 L) B
- Serial.printf("[HTTP] GET... failed, error: %s\n",
5 ?' Y5 X& N, T. p4 j N - http.errorToString(httpCode).c_str());
9 x( y p N0 r% P, }# F* P# Y8 ? - }) R% @5 ~+ ^9 R Y4 A4 G
- http.end();% Y' o2 w Q( H8 P# }: A/ @2 |
- return "";
/ Q$ a6 ~! O6 _0 G( Z - }
3 x/ v* l6 S" [5 C# H - }
$ K6 A+ k+ _0 s! m0 n1 ?! K - void mainAction() {
|; i$ y8 G8 k2 k) ? - // 发送请求, @' D- A! t- g. w! r
- doGet("http://google.cn");
4 H, T7 F/ [; j/ ` p3 p - }1 f/ z- I- {" U" b
复制代码 |
评分
-
查看全部评分
|