|
|
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)
. y# `2 z0 w1 q) o% e( @+ M- #include <ESP8266HTTPClient.h>
' m% I4 K: G. k6 w8 z! _3 I( ^ - #include <ESP8266WiFi.h>5 }# A+ z) T! W, X( m* {9 v( Y7 E
- #include <ESP8266WiFiMulti.h>
3 U; ~. H, V- J0 G+ U - #include <ESP8266WebServer.h>
. w( e M/ s# W - #include <arduino.h>. H& E7 c1 F% f6 F% _" A9 X
- ESP8266WiFiMulti WiFiMulti;" h5 J' b2 w. g6 ^+ v- `8 _+ D& G
- ESP8266WebServer server(80);& e+ K. a% a" R, _4 T t- q
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
2 z) F) h( Y' F# k' C - ADC_MODE(ADC_VCC);2 l- t8 C4 ^8 B1 E3 i: v
- void setup() {
8 {& H* X& D4 {. i( x8 }. A* J - Serial.begin(115200);
: q# G; R" U: [1 I/ C* g$ K* n4 d - Serial.print("\r\n\n");
$ |+ q" [7 \$ B7 D0 w; x+ H: i - pinMode(2,OUTPUT);
: [+ c$ s2 T$ d$ N& g# U: J - // WIFI
' _! u. h% ^9 P7 g7 d" g% g* d - WiFi.mode(WIFI_STA);
5 N7 i) B$ \- Z7 x - WiFi.hostname("Sparkle");
# L0 s3 T5 f9 `; F5 ~: a; { - WiFiMulti.addAP("wifi ssid", "wifi password");. e* @# {" W! S% h! y" N" Y( c
- int tryNum = 15;
2 x& a. ?) G1 h1 ^ - Serial.print("Connect WiFi");% |% e. O1 l' a6 Z
- while (WiFiMulti.run() != WL_CONNECTED) {' G# f) G$ n& T9 k
- digitalWrite(2,0);+ `( X' ~% b3 P7 e0 k! |6 y( `
- delay(200);
4 l* a1 s0 u0 g& P3 N- K" Q - digitalWrite(2,1);
5 o$ J! i i9 ?8 c* \! M+ R - delay(300);
" ~* g+ u0 b7 Y7 u - Serial.print(".");
" P1 R0 T7 L* _1 v) P - tryNum--;
( a3 y4 Z& [1 \- V5 ?2 t - if (tryNum == 0) {
* P; F, e0 \+ } - // 1min; E2 n* l" l, g) f- O; h# R
- // ESP.deepSleep(60e6);
% ^# k8 }: i- Z7 ?3 p - ESP.deepSleep(0);
) Q. a$ t, U6 a' r1 p& p3 K - }
* f& e9 b f1 A/ F3 U. Y1 O - }
7 x: X% u. X# t7 A# U: J - Serial.print("\r\n");# o# Y4 J9 G6 k- A; ~- m6 m" q. l' c
- digitalWrite(2,1);* b8 u7 |" R5 t( D2 e" M
- Serial.print("IP address : ");
; O. K& E$ P6 t' r, D; z# L - Serial.println(WiFi.localIP());# R( i N! y( o- L# k; S1 H1 P
- server.on("/", HTTP_GET, [](){) W2 m. Q& ], p8 B# _
- server.sendHeader("Connection", "close");
2 |. \6 J0 t7 N& { - server.send(200, "text/html", serverIndex);) r8 J; P; G- s- ~8 I
- });
3 Z: j. s% e. k G& [+ K q - server.on("/update", HTTP_POST, [](){
1 W( d9 S# f8 Q* o - server.sendHeader("Connection", "close");" {* P( b; P v3 F( z
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
( n- @" l5 k0 u9 T3 J - ESP.restart();' q2 w# z& x) ~; ?5 |. n9 G% A% Z+ p
- },[](){
. j; C+ L# u* F - HTTPUpload& upload = server.upload();- \: J" _, A& s1 R7 ]
- if(upload.status == UPLOAD_FILE_START){3 a/ s/ a) ]3 [$ d7 l
- Serial.setDebugOutput(true);7 Y& V) k$ W1 L. L: g: L( Q/ |
- Serial.printf("Update: %s\n", upload.filename.c_str());
# z ]- I) }8 K6 V% X' r3 _ - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
6 R; X7 F8 T% o3 P - if(!Update.begin(maxSketchSpace)){
% g* d @1 G M8 Z' K - Update.printError(Serial);0 r$ H+ y& ], ~% C" R
- }# s F) d) |, p+ H5 u1 P7 @
- } else if(upload.status == UPLOAD_FILE_WRITE){
9 _$ I7 R Q7 O8 w+ U - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){' |5 j) i: k: m5 T4 g( V P
- Update.printError(Serial);
z5 K5 L3 @- F: E6 T& h" N6 g - }
8 v7 R t; |7 h# i - } else if(upload.status == UPLOAD_FILE_END){
5 [0 ]4 D. ?3 v! Y: b7 m - if(Update.end(true)){' v1 V) _+ N" Y8 Q% y4 M8 h7 E
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);3 h' z3 A) [# D, j9 n
- } else {$ U5 y. B$ [, L
- Update.printError(Serial);
5 y# Y1 A0 u& i T9 r8 h - }
- k; W, O& a8 J/ a - Serial.setDebugOutput(false);0 q& A0 H. }7 ?: M# P" P( ]
- }
" N$ h+ w$ }. V! j - yield();
7 a1 y& R: U) {8 r, U# O - });3 _" z# D$ u( Y+ r% C% E3 z
-
, ^6 @4 t8 ~# H4 v3 |( F - digitalWrite(2,0);
% [0 i ]9 C& n* A, S, V6 t! P - mainAction();
* p/ E6 o6 n e5 b - if (digitalRead(0)){
( f# e! ?0 q" i3 P3 k" ^ [ - ESP.deepSleep(0);
- W( h P i- X) W - } else {
, f Y1 M2 n) |6 O6 z - server.begin();& [5 Z; k' Y2 O9 V9 {/ q
- }
; O ]% y C, u1 t - }
$ l9 o9 [" _2 a; Q% f - void loop() {
- Y) b) b9 A2 Z - server.handleClient();6 G. L+ X" W% V& K' `
- delay(1);% S" J1 M( F# d2 E8 N$ v" g5 v1 l) C
- }
6 d6 x3 d4 o$ P' r' h7 X5 J - String doGet(String url){6 H4 ]: _) t+ I5 J7 @
- if ((WiFiMulti.run() == WL_CONNECTED)) {2 L! u+ l0 `. G7 i; C* o7 i5 A% B
- HTTPClient http;
( p, f( E: U- X - Serial.println("[HTTP] begin...");
: B0 e: j7 Q2 F* ~6 t% H - if (url.startsWith("https")) {5 s# ~4 b7 j3 }) ] M1 D. B8 k
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
' M5 r8 R3 |/ A8 i4 ^ - } else {
Q9 }; D' I* a/ b0 Y p* B. U( [ - http.begin(url);
~9 E1 U3 M4 {) r - }5 C e4 V3 e: ~2 `
- Serial.println("[HTTP] GET...");
- w( B& c) L0 Q1 v - int httpCode = http.GET();3 Y- `4 B7 g6 {4 p
- if (httpCode > 0) {
' p, c6 z) m. U& t3 ]! |- ?1 ? - Serial.printf("[HTTP] code: %d\n", httpCode);
0 {8 M5 U, P7 q/ x5 X6 o - if (httpCode == HTTP_CODE_OK) {
; o5 i% V% o* ?# n# ] - String payload = http.getString();
# M; ~ }. S& m5 H% N - Serial.println(payload);
% }! n9 r3 J- y5 O- I - Serial.print("\r\n");5 Y: P. f0 L( d
- return payload;4 j' l% G' J, \ Z
- }
& a7 `; E* R5 [+ J; T! } - } else {. Q1 ]$ {# e1 W3 c
- Serial.printf("[HTTP] GET... failed, error: %s\n",
! \: z. K; b3 R( T- H- ^% ^, i/ c - http.errorToString(httpCode).c_str());
) {: J+ k! \3 Q - }
* U4 A8 D+ Y# @/ R5 o' a2 ?! a - http.end();, x/ n+ K9 w7 o% m' B
- return "";) _2 B) T: n; N* D* D7 s
- }8 z- ^4 W5 y; L0 n5 s$ @- J; l
- }
% h4 {/ E; E$ W% I: |% n7 }2 f6 l - void mainAction() {* m# A7 G& p+ K0 i( Z2 R4 Y( k
- // 发送请求
1 V* k# e; h+ K* M" S - doGet("http://google.cn");
9 G+ `: z$ @6 B! g9 U- [ - }
, f# p; i) v+ l: z: j1 c7 F
复制代码 |
评分
-
查看全部评分
|