|
|
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)
$ j r8 @! F% q" E; G5 c8 Q- #include <ESP8266HTTPClient.h>
; T- }4 X" |) G9 F - #include <ESP8266WiFi.h>- D3 g* _1 R: ? E
- #include <ESP8266WiFiMulti.h>
7 j1 M5 U8 T2 \0 @7 v/ J, [ - #include <ESP8266WebServer.h>
5 U, z# B- M3 U9 { - #include <arduino.h>2 y3 ` N# y, g+ M" q% w+ k9 O
- ESP8266WiFiMulti WiFiMulti;
$ W& J! L/ J3 ^( r4 O2 b, o - ESP8266WebServer server(80);
- j6 s) A, n3 V5 @( E - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";' c2 q- N7 N6 o# ?; M8 `
- ADC_MODE(ADC_VCC);
, `, ^$ d2 b; |$ g& w) { - void setup() {+ E0 G' Y9 d/ M2 w q
- Serial.begin(115200);
: |2 x5 w* o2 A9 @! O' I- w4 d# G - Serial.print("\r\n\n");9 o6 A( [" }7 q% y; m- C2 y
- pinMode(2,OUTPUT);
3 N/ F7 }9 J% m: y3 o - // WIFI/ _# E4 g) k6 c* R- s
- WiFi.mode(WIFI_STA);" [4 t' I T7 Y" f1 }) t
- WiFi.hostname("Sparkle");; s6 l! u7 H/ a7 o
- WiFiMulti.addAP("wifi ssid", "wifi password");
# r+ a4 a$ K1 w - int tryNum = 15;5 j+ X7 r, F0 f& V: j/ ]* R8 r
- Serial.print("Connect WiFi");/ S1 H. }: A: X( X: M/ y5 C
- while (WiFiMulti.run() != WL_CONNECTED) {
Q9 g0 {. J) U& H4 D# P - digitalWrite(2,0);9 h5 j: B4 ^+ C
- delay(200);
) E( y* B: G5 d; W. R* w2 M - digitalWrite(2,1);
7 g- U) `& S+ l: }) c+ Z2 j - delay(300); M+ n0 ?: H1 {. o T3 R5 V
- Serial.print(".");" W& d, ^4 a4 S
- tryNum--;1 j* R; P! l) w9 K6 y8 J
- if (tryNum == 0) {
, n9 B. t) L# I$ S9 U- q - // 1min
0 x. ?0 Y5 v! M# b% Y - // ESP.deepSleep(60e6);
: r; B4 V" Y- }7 ^. I - ESP.deepSleep(0);
& B4 @" w; f* M6 b) M* D& e% D - }
9 {$ @ d: \3 X0 G( R! b9 ^: W, T - }
8 f, R- e! {$ r/ z2 P# h - Serial.print("\r\n");
8 g! X2 w! l' |6 ^8 T" |3 { - digitalWrite(2,1);) L# o7 J/ I. K9 o& l, C
- Serial.print("IP address : ");
7 k+ ^1 h! m1 f2 d& I - Serial.println(WiFi.localIP());$ T" S. L: E3 y
- server.on("/", HTTP_GET, [](){
; C* J3 s- ^( B1 g: i5 T - server.sendHeader("Connection", "close");
3 L, D7 a; M% L2 } - server.send(200, "text/html", serverIndex);+ |: @: f/ i1 Y+ p* M
- });
# C$ @! l- s3 Q' [8 g - server.on("/update", HTTP_POST, [](){
5 ~# {. I4 I+ J, F - server.sendHeader("Connection", "close");
0 ?* y6 P" Q, H - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");8 F& E- K& a! b8 e
- ESP.restart();/ g) W0 j4 b% N
- },[](){
% y C+ ~9 b4 S( M) O0 g5 c - HTTPUpload& upload = server.upload();
1 Q, N: z8 o4 O' i - if(upload.status == UPLOAD_FILE_START){
- O5 h6 N0 o- U3 C - Serial.setDebugOutput(true);
2 b" f9 i# m! D. _1 ?- I1 T+ Q - Serial.printf("Update: %s\n", upload.filename.c_str());
( w4 \" r" U- t' I* H( ~, Y4 C/ r8 w( V - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;" V8 ^" d$ W: {/ L. C$ x: v( j
- if(!Update.begin(maxSketchSpace)){
% }3 j& P$ T0 z, ?! ^4 G - Update.printError(Serial);& f8 T# D1 B3 ~% f
- }. R, h; m4 Z/ ~+ _5 n' j
- } else if(upload.status == UPLOAD_FILE_WRITE){
. Y( e( i( O) x/ y5 x' ]2 O - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
6 w1 t, G, [% r# V! E/ D - Update.printError(Serial);/ a D( K3 i+ t9 t
- }) Y1 r" k! n3 s$ x0 u/ m
- } else if(upload.status == UPLOAD_FILE_END){8 U" a; h! n% N% y
- if(Update.end(true)){3 P% @; g% o. L: _" B6 u7 ^) V8 h" x
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);0 ]% g2 W0 P+ u- E
- } else {
& I/ T; S" Y2 F! B! Q; m - Update.printError(Serial);/ q& A9 v; L: U, J
- } P! P+ E2 P# o' w" W
- Serial.setDebugOutput(false);
( z( s* m2 `' C% P! \ - }% b7 G7 S5 X) e
- yield();
+ x6 `- }) j) @. h7 v% C - });
5 m$ C, l7 S& T+ C' a - / L1 X' B* F- Z
- digitalWrite(2,0);& c" ~* F* B1 M; V7 q
- mainAction();
/ Y4 ^: g: \# K4 C1 F - if (digitalRead(0)){9 R, f; e( n0 ?+ I0 }+ ^# h
- ESP.deepSleep(0);
- e4 X4 K, B# J! _ - } else {+ y7 f# X1 l- S
- server.begin();# H/ N$ {; u( j0 ~" ]0 I4 L
- }
9 o) A9 Q, E0 A - }
4 {; a$ H( U* Q) B0 B - void loop() {5 D A$ A. J1 q$ ` A
- server.handleClient();
& T% ^& y1 R7 t( q - delay(1);0 X6 b1 l& I! N% \. V; n
- }- h, t ^7 L$ {. D0 p0 t
- String doGet(String url){; k2 z% c6 S4 L2 t* D+ K
- if ((WiFiMulti.run() == WL_CONNECTED)) {5 o6 C! A$ B5 D/ D4 g
- HTTPClient http;% z: C8 H" ^4 J
- Serial.println("[HTTP] begin...");" x; c0 O7 F# @0 V6 b
- if (url.startsWith("https")) {3 a3 L/ l1 [1 _( z% J4 {, b( w
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");) M2 W% b6 i7 b0 t+ c# y3 o7 l e! B
- } else {7 ]' y) d$ D0 q# B) V- Q" S. q/ R
- http.begin(url);
0 N# X7 J6 X4 g! C* D3 P - }1 {5 T) S* c( ~& A0 f* j
- Serial.println("[HTTP] GET...");
0 v4 H/ l2 K, T - int httpCode = http.GET();
5 j3 e! w/ H r! {8 B - if (httpCode > 0) {! u4 |) m- t+ y
- Serial.printf("[HTTP] code: %d\n", httpCode);
6 \: G1 w3 F; Y! x. b - if (httpCode == HTTP_CODE_OK) {
3 _& }9 N: D. r8 K( |9 k - String payload = http.getString();7 M2 h" O& o" J$ O# \! a9 A
- Serial.println(payload); O. N6 ? K7 ?' n) f+ s1 c
- Serial.print("\r\n");3 o1 Y+ j% r, i0 a+ T% ^7 g/ W
- return payload;
' m' b' }5 N+ l4 B" F( @8 k2 D - }6 U4 I5 p% |+ N9 v0 O" B; ^
- } else {/ W( ]6 Q- D N4 o3 j8 J* T
- Serial.printf("[HTTP] GET... failed, error: %s\n",. ]8 n {" h. q, f2 [% u5 D
- http.errorToString(httpCode).c_str());
w, k* z9 j" x& F$ P - }
6 \# h9 x# r+ C/ z2 }# y - http.end();6 [9 Z" y+ W& Y2 b* F: v+ ~
- return "";
2 n2 g( Y% l" V* r - }3 s" R2 @+ M6 i2 j- j0 @( `
- }: V& B. ~' U. C7 K5 S# z
- void mainAction() {2 G' [/ f, p' T' p! J
- // 发送请求* S6 G+ F5 P7 A- L }( K" Y! n
- doGet("http://google.cn");3 a% }1 n' n& e+ v* R% O( x9 I
- }, P+ L! y3 r( k
复制代码 |
评分
-
查看全部评分
|