|
|
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)6 L+ l6 _7 {- b& U
- #include <ESP8266HTTPClient.h>
6 U. n, s- A( h& s3 r: P" }3 v - #include <ESP8266WiFi.h>
6 ~7 h p4 v+ H& I9 q - #include <ESP8266WiFiMulti.h>
% _" S l8 Z+ c9 c6 G - #include <ESP8266WebServer.h>+ U5 ]* w% @" F" @
- #include <arduino.h>
6 \' |" j/ j8 Y2 c - ESP8266WiFiMulti WiFiMulti;4 [5 S, C" g7 M$ f
- ESP8266WebServer server(80);
A# s4 Y; h' G7 R1 d - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
* [5 v) v- C. H$ N - ADC_MODE(ADC_VCC);
) u; c- q" w: {/ U m* Y - void setup() {0 @- L+ @$ n; h4 K0 d! l
- Serial.begin(115200); Z$ j _% z0 z8 C- a1 W" S+ E
- Serial.print("\r\n\n");
# t" v( S5 w+ |7 V$ k, s( ~7 B - pinMode(2,OUTPUT);8 k! v: H4 r1 I. R; t: g$ y3 R/ s
- // WIFI
/ e1 c0 `! j# G6 T9 t, s$ L - WiFi.mode(WIFI_STA);
0 o3 K& P6 ~( q. o5 a' z. Q3 u: a3 |" R - WiFi.hostname("Sparkle");
. | F! j2 X3 N$ }8 Q1 B3 J) |( t - WiFiMulti.addAP("wifi ssid", "wifi password");! I& a& d+ g- q9 e5 c
- int tryNum = 15;
# |: N! R+ z& k1 k: y - Serial.print("Connect WiFi");- d! u1 W; K0 @6 u3 X
- while (WiFiMulti.run() != WL_CONNECTED) {
5 m4 ? s( @/ q- u4 s - digitalWrite(2,0);5 o/ F: G u/ `- ~; X( v
- delay(200);
9 k, \' Z, u8 t. C - digitalWrite(2,1);+ x& w5 `" B. g0 `5 v- u
- delay(300);5 _& H1 H; S; `$ X# d
- Serial.print(".");7 C/ @, l G+ R2 H0 u4 C$ z2 Y
- tryNum--;
! L, Q4 N3 _* Y# M& S& v5 P! [ - if (tryNum == 0) {7 @4 y. s p. T4 Q6 t
- // 1min
2 |- u3 {3 T2 E9 i. z p - // ESP.deepSleep(60e6);
! X% `8 P% `% y - ESP.deepSleep(0);
- J# E, P; V1 \ - }
9 e T' @( l" `0 X" r - }
. t4 I6 q! {- e' v' |9 _5 I - Serial.print("\r\n");
) f& A/ \+ G% x; v5 v" F% w - digitalWrite(2,1);
% E2 Z" x$ X; B - Serial.print("IP address : ");
9 b. u1 b) L# K2 W. S+ J' ] - Serial.println(WiFi.localIP());/ m t/ z4 S' s* f
- server.on("/", HTTP_GET, [](){ }4 R# ~5 h- K" d: N# d
- server.sendHeader("Connection", "close");
4 z* B. C: u# S( ?9 ] - server.send(200, "text/html", serverIndex);
6 u! C; t! _, y - });2 ~" a4 q# V+ v% ~# m
- server.on("/update", HTTP_POST, [](){& p- ]% D4 b0 O2 U; Z9 H1 I, I4 z
- server.sendHeader("Connection", "close");
! G+ U8 O. k. X2 P - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
8 |0 |- q1 c9 e( h/ U# p - ESP.restart();
2 \9 `. P7 j5 o7 U4 o$ H7 t& _9 [ - },[](){
) X, X4 c0 U# a - HTTPUpload& upload = server.upload();
1 K f: f+ \# g- x0 [7 x - if(upload.status == UPLOAD_FILE_START){
$ q& X$ N* L* C/ V( \- J4 p3 i) S - Serial.setDebugOutput(true);( n& } ]0 ?7 D
- Serial.printf("Update: %s\n", upload.filename.c_str());
0 M9 D. b; J+ q* }0 I - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;. E( i2 g5 @' N' U( t% N
- if(!Update.begin(maxSketchSpace)){6 z3 v) [/ o; g p9 j1 |& f
- Update.printError(Serial);
4 }- h1 o }: P1 ~1 w: u- J. T - }4 Q+ d3 c' Y; w8 Z8 I' }! d a5 X& f
- } else if(upload.status == UPLOAD_FILE_WRITE){# N. t, N! O. Y4 ~% w' e. w
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){" l. g. ?* Y' R1 r
- Update.printError(Serial);( l" E) a( y4 P6 c0 g# y- d3 G8 G( J
- }
" z' Z4 l; j/ @, `- ~ - } else if(upload.status == UPLOAD_FILE_END){' m+ s; x* t4 H
- if(Update.end(true)){
6 A' [- }4 M+ r* G3 b; q( b' r5 e - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
. ]8 h$ _( F) G% y j" [& n - } else {
/ M+ b% n! z; p5 P" w2 A H - Update.printError(Serial);
# o* S& L6 ^% w2 X: I \, P+ ]/ @ - }
0 U( Y3 L6 C1 g+ `, P; q% @ - Serial.setDebugOutput(false);
! D3 l0 W/ u- z% }0 B% { - }4 E n' {" z4 E: A j+ A3 S' `/ R
- yield();6 q0 B/ U1 u9 ?* {
- });5 I. H k* v/ g( r4 y
- 9 b0 o! A% c7 j6 |) U/ M2 C
- digitalWrite(2,0);
: J' G7 D8 T$ N: G) l, ] - mainAction();9 d% B+ t1 m% A4 J Z6 m( c
- if (digitalRead(0)){
* c8 B' i: K9 C4 @ - ESP.deepSleep(0);7 K- @7 s# R1 m$ s. m9 t( \
- } else {- {# G1 A$ F; e; k0 D: l7 E
- server.begin();, {2 T* v3 N! h, B8 d: y$ P: V! q
- }" b" O- I+ C- T
- }3 K. c/ o; {+ J. G
- void loop() {& X& ^9 ]& z' G; N) ]
- server.handleClient();
. I: [* Q. c5 B, x4 g6 X - delay(1);
0 A: E7 _1 l) t: \& _9 ~ - }
2 Z) d9 k7 z* N/ h3 H0 u$ z+ N9 B - String doGet(String url){4 u" V1 e& V' r2 l
- if ((WiFiMulti.run() == WL_CONNECTED)) {
# c2 m: E: d0 B6 A. O - HTTPClient http;
. `4 y, ]# G4 Q8 C, }! g- o3 M( M0 o - Serial.println("[HTTP] begin...");. Z' E: \0 m9 T( _1 M- N
- if (url.startsWith("https")) {
- u6 S$ o! H& T# ?5 T4 I - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");7 p; h3 B" K8 B' e! R0 V
- } else {& O+ }% N: j: K' c
- http.begin(url);
' n# N/ Z0 L3 A4 P% Y$ N( N - }
6 T' Z2 ~, @# m% O - Serial.println("[HTTP] GET...");
% C8 r4 V0 e. o/ m - int httpCode = http.GET();
5 x, I& B# @: n. t: F! d - if (httpCode > 0) {
: P/ m9 s5 R5 @9 A) ~ - Serial.printf("[HTTP] code: %d\n", httpCode);8 c+ i& ^. w0 B0 ]
- if (httpCode == HTTP_CODE_OK) {
( M5 j* P. w8 z j/ ?; [& s - String payload = http.getString();! O+ v k' U, W9 Z* c0 S
- Serial.println(payload);
3 L* F1 n. D1 `& H% K. M. i - Serial.print("\r\n");
& @, P6 o0 m! @$ E$ V - return payload;
% o$ a2 z$ l$ Q# q! C; ^1 f - }
8 I, j a) z* V - } else {0 k a, l3 u+ n& w
- Serial.printf("[HTTP] GET... failed, error: %s\n",* r7 R) X+ [7 V5 i3 U0 {2 L$ s
- http.errorToString(httpCode).c_str());' D( |1 k/ t% p
- }
7 z8 [* ?8 d% p$ { - http.end();
8 D0 j w F2 Y7 E; i3 g f: x - return "";1 x8 R3 [% s/ T/ Z( S
- }
- \* b0 L( { P0 J0 L+ J4 z# B - }
# h- h$ s5 p7 F; U - void mainAction() {
) w( s+ j) {& i* c - // 发送请求
3 |+ b) H5 G# l* v2 c4 z# Y/ r# ^ - doGet("http://google.cn");
9 S4 z) z# V' Y5 w( H- F/ O - }6 a% t" p4 B1 J1 u# k; r, [& z# u+ Q4 x+ t
复制代码 |
评分
-
查看全部评分
|