|
|
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)
$ F# u3 v. L7 V& K! E! Z- #include <ESP8266HTTPClient.h>
, u6 i1 m, \3 ~- u - #include <ESP8266WiFi.h>
3 K% i8 i+ C% f/ H9 ~- } - #include <ESP8266WiFiMulti.h>8 A/ Q0 m' J% R- R% `
- #include <ESP8266WebServer.h>( E+ ^, F! W' e. c% H$ @
- #include <arduino.h>" j+ J7 m) h" {, j0 a# U
- ESP8266WiFiMulti WiFiMulti;
: M2 Q) M7 y* i, p9 h' g9 r% i" { - ESP8266WebServer server(80);
9 b9 p0 m% }& B, g- v+ s( | - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
5 x, A. w6 v# m# O. t( { - ADC_MODE(ADC_VCC);
/ I6 H1 Q5 ^# ~- t, j5 Y+ v! m - void setup() {
5 G4 y }7 a# z6 V( T* _ - Serial.begin(115200);
$ r L0 H* M4 `$ p - Serial.print("\r\n\n");
, K k' S7 d5 _. Z7 g* Q: C - pinMode(2,OUTPUT);1 G: h! W/ }1 f$ L' g5 I+ @. b
- // WIFI
6 s3 O0 e& [! n! S* b - WiFi.mode(WIFI_STA);8 U# U4 M* g: d+ z; A' Q
- WiFi.hostname("Sparkle");
7 J, p, a5 H' h$ l% p, K$ j - WiFiMulti.addAP("wifi ssid", "wifi password");; B; F; s' L$ N R1 r- v6 Y4 W. |
- int tryNum = 15;
0 o# a/ U& }5 h# s) X - Serial.print("Connect WiFi");
7 G8 X. [7 u7 X# l- w5 H - while (WiFiMulti.run() != WL_CONNECTED) {
! H9 [/ [2 Y% l& G3 z; y - digitalWrite(2,0);
, r' Z) ^3 l+ {- g; J - delay(200);
- o4 m' m0 w3 x0 } - digitalWrite(2,1);
7 J1 w6 F; f+ H [ L - delay(300);* x& G8 J( Z Y+ a, Q- R
- Serial.print(".");
! @3 O5 O4 w$ [7 U. f7 N; Q - tryNum--;# W7 `1 K1 _9 q) _0 P1 A
- if (tryNum == 0) {
8 v7 r* r% V' } - // 1min
# Z3 Q1 d. A1 p- M( p - // ESP.deepSleep(60e6);; W2 P/ Y. ?4 J# ^. @
- ESP.deepSleep(0);
; n$ ?* \9 b2 V3 V' S4 r5 r - }, y% n( @( \) }* H5 M8 f
- }2 _: h2 ~1 G- e
- Serial.print("\r\n");
2 L, A$ d+ q) w1 n7 s1 y - digitalWrite(2,1);
2 u3 E/ |& y' H6 j3 r6 G1 u - Serial.print("IP address : ");
- C! s' M4 ~, T0 K/ I0 b8 j: S - Serial.println(WiFi.localIP());: O* t/ _3 p V0 ^
- server.on("/", HTTP_GET, [](){1 u, [, P4 f& G+ Y8 y, M: @+ J2 N
- server.sendHeader("Connection", "close");
& |5 _( k" F5 |4 G( K J - server.send(200, "text/html", serverIndex);
( _. |# W8 ? v4 A - });
6 e2 ~. H- e8 x" B9 d& \+ Q - server.on("/update", HTTP_POST, [](){9 }9 |& H& b4 Q6 f9 v" f
- server.sendHeader("Connection", "close");
9 M1 h9 R( ~. _* d( O7 I - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");1 e/ M6 p& J' Y6 F+ }7 ^
- ESP.restart();4 ]6 l/ @4 B5 @. R
- },[](){' H% z' [( k. g7 `! C! n0 @5 \! [
- HTTPUpload& upload = server.upload();
7 w! Y9 U! i* [3 |2 X1 i - if(upload.status == UPLOAD_FILE_START){* d* z" n6 _5 _4 {
- Serial.setDebugOutput(true);5 @) \5 v/ i( e& X
- Serial.printf("Update: %s\n", upload.filename.c_str());' k% `- o2 z0 B D
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;. G7 d/ P% X- c. d6 F5 z6 t
- if(!Update.begin(maxSketchSpace)){
$ `5 {! C5 R/ E5 t" D7 b) Q1 ?2 L8 l9 a - Update.printError(Serial);
+ p. ? @# [% `. J3 U3 h - }1 Z, ]( @' S0 u, C- d& `* X
- } else if(upload.status == UPLOAD_FILE_WRITE){
. w+ a U4 N0 D8 R9 d - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){9 L; U& @( s* [7 O( i0 w4 n
- Update.printError(Serial);
3 V* m% ?4 Y8 y. O! Y7 q* n* a* u - }- V9 @; V. N! A! A" S L* Y
- } else if(upload.status == UPLOAD_FILE_END){% D" j7 S2 C: A
- if(Update.end(true)){
, Q p. ]- u. c% n9 w/ U9 r3 ? - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);! b( p9 f8 S7 N- @
- } else {/ i+ F- f! i: G
- Update.printError(Serial);
9 g4 g7 e% U, A9 V* V, Y1 e5 C+ v - }
# m1 Y4 F) I0 S% p: [ - Serial.setDebugOutput(false);
: W% H; I% X2 F0 [0 z6 l- W - }. k7 T1 W, }, g4 R' O7 {6 v8 d
- yield();
: J) ]9 N) z( Y - });+ x; E' [) @; g
- " Q. l+ ? @# R1 q" z
- digitalWrite(2,0);
, e# \0 b1 j. p1 A) l+ z - mainAction();
: Q+ K) j' Y' I/ @ - if (digitalRead(0)){
0 D' o9 j; U+ Y! \% J$ S - ESP.deepSleep(0);
3 d' t8 q, t# p" F: p - } else {2 H/ F0 G7 `5 W7 U& b
- server.begin();
. \+ O3 `8 P) b: X2 A& Y! l - }
' b! H) G+ b' J' l5 | - }7 U3 d0 {' ^, [/ x: @
- void loop() {
7 M3 C6 f2 y" g: y( g) e - server.handleClient();
+ }6 K) }) o1 y) h$ x0 y5 } D - delay(1);
# I9 }9 r' l, P* t$ b" d0 j5 T - }9 l2 [5 g s3 \8 j8 J
- String doGet(String url){; U6 k4 W& z$ h: C9 \7 J
- if ((WiFiMulti.run() == WL_CONNECTED)) { e' V- H. \0 L) D# R
- HTTPClient http;
2 I4 ^5 m% h& h0 o g. z4 X- ^ - Serial.println("[HTTP] begin...");! {1 w2 A( P) f& G: x) ?
- if (url.startsWith("https")) {' a# {5 | R# e- {4 q+ F$ B
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");: i. j+ A+ a" V
- } else {; s# W, m5 q! P8 ]% V
- http.begin(url);6 Q0 x T$ f; K, }
- }( f' n) q# b( }- C6 C2 b
- Serial.println("[HTTP] GET...");2 M) @9 N2 }' P3 N# A8 O* H. E
- int httpCode = http.GET();
( N- O$ t' l# c/ h a - if (httpCode > 0) {! s+ F' v% F) V4 V0 _
- Serial.printf("[HTTP] code: %d\n", httpCode);9 N$ @2 |6 P9 [1 w& f
- if (httpCode == HTTP_CODE_OK) {; M1 H/ w& G8 {# O9 M' @
- String payload = http.getString();& z! \- T% c0 j- ~
- Serial.println(payload);
6 W/ C$ I7 R ?# c# m* H - Serial.print("\r\n");
+ A1 f2 H6 `# R- w9 r - return payload;: a: O {% w. s. _& v
- }
; D7 y; o$ `1 G/ H - } else {. z5 p# f7 I3 l* U z1 K+ l
- Serial.printf("[HTTP] GET... failed, error: %s\n",% }! u( p: M( _
- http.errorToString(httpCode).c_str());; g+ Z; Y+ h$ \$ q+ v
- }
9 Z/ o" L X* o/ a3 B; U& E - http.end();
7 C/ ?" k& M& W% A/ E2 I - return "";6 ^( u4 K* A6 i; }
- }' }9 Z( k4 t$ P$ w+ p* X6 b. r$ K, T3 r
- }
8 S% [; d% n$ W2 v: e - void mainAction() {
6 J& J; o# ?. ]+ q, S" x9 ? - // 发送请求
6 f' |* K, F& T: V - doGet("http://google.cn");. J( t7 |: x+ w+ m
- }
. Y I; l" s4 G
复制代码 |
评分
-
查看全部评分
|