|
|
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)
' e) D! x( Z/ H3 O- f8 o- #include <ESP8266HTTPClient.h>
' l( K4 `' N$ O0 C# ?. Y - #include <ESP8266WiFi.h>
/ w, \$ o8 n/ t0 ` - #include <ESP8266WiFiMulti.h>
# Q/ d5 M6 z' n( V: c2 i5 X7 D - #include <ESP8266WebServer.h>0 u! ^3 I) f m
- #include <arduino.h>
7 [+ z0 n+ B7 O8 N2 p* D4 n; t! o - ESP8266WiFiMulti WiFiMulti;
+ N7 ^0 b+ R) O9 _3 X4 O - ESP8266WebServer server(80);
+ z) g- H" R6 e6 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 y2 e# m; E; j - ADC_MODE(ADC_VCC);
. n. |& A2 `1 U) G+ F( ~1 g0 V! n4 g - void setup() {
5 r) ^9 J3 Z) T) c - Serial.begin(115200);
9 f' [/ q4 w% m0 l8 d - Serial.print("\r\n\n");7 I) Z0 r5 ?0 Q4 L w
- pinMode(2,OUTPUT);4 @5 n9 a% |' j4 }: Z3 a3 }
- // WIFI
. R9 F* G, f" r0 T. U# m: }. F( [ - WiFi.mode(WIFI_STA);
/ h; |0 v5 C8 l1 O4 N, X; T - WiFi.hostname("Sparkle");+ Z; x. p5 ]+ s3 S9 r3 w; K
- WiFiMulti.addAP("wifi ssid", "wifi password");5 {% O" \& a0 b, M( Z# \" H6 t
- int tryNum = 15;
+ M) |3 c; m! ^ m5 } - Serial.print("Connect WiFi");
5 O: V, O. @, H' f+ e9 } - while (WiFiMulti.run() != WL_CONNECTED) {
; A: c: W) a) F - digitalWrite(2,0);
- {4 M: ?* W2 y9 A0 O* M - delay(200);# X3 {" W2 N7 U( D
- digitalWrite(2,1);9 o* @- m! q/ L! X3 D
- delay(300); J$ o4 c, I, r
- Serial.print(".");2 |: G. j0 `8 a; N& e
- tryNum--;+ J4 _" {* R+ N' f
- if (tryNum == 0) {+ }+ t9 q) X% ]1 t
- // 1min
' O; P' C( v% c5 R+ A* e - // ESP.deepSleep(60e6);
+ \, q; Q' O' a* I8 e - ESP.deepSleep(0);0 ]9 @7 C+ G7 A0 b' j6 g! R
- }
' t% \. T+ J, L' o+ r5 i% j% P - }
" E" G5 H7 [4 w4 }; I( n - Serial.print("\r\n");( o2 G, W1 n: X
- digitalWrite(2,1);1 H( Z: L& U4 L8 x% Q" G
- Serial.print("IP address : ");
9 i; _- n1 q1 {# e! T - Serial.println(WiFi.localIP());9 z3 e0 {6 e7 C0 J2 u
- server.on("/", HTTP_GET, [](){
: z) F8 l. g! J - server.sendHeader("Connection", "close");
0 v; l* u7 i# o& K - server.send(200, "text/html", serverIndex);2 H( s8 U. ~6 d, R( b
- });
2 e) y0 s2 e$ h& F5 U - server.on("/update", HTTP_POST, [](){" z/ f. E% y: ~
- server.sendHeader("Connection", "close");% K8 o+ H! @) O3 m
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");5 y' ^5 A. I8 m6 h: q) y
- ESP.restart();: R6 z4 {* n( D: ]2 k7 B
- },[](){
/ R* c$ T0 p6 Y2 _% }3 Q- N - HTTPUpload& upload = server.upload();
' }8 W% f* A/ y6 W - if(upload.status == UPLOAD_FILE_START){) `8 w$ [/ |3 t
- Serial.setDebugOutput(true);
( G' ~4 {9 U4 [! x - Serial.printf("Update: %s\n", upload.filename.c_str());
* t% ?; _, u8 J& k9 `3 Y% ` - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
: I& b+ ]9 Q, J7 z/ k - if(!Update.begin(maxSketchSpace)){. B! W9 x4 X* [* @1 v" A2 ?
- Update.printError(Serial);& |5 E2 n. A! b1 V2 K/ ^- F
- }
! b* y1 s1 H! h# G4 | - } else if(upload.status == UPLOAD_FILE_WRITE){4 Q% l2 u& i' n& c' c2 G# u
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
9 `1 U6 w6 D& w% F6 J - Update.printError(Serial); P7 Y3 Y. G; ^
- }
$ K2 n/ F- Y& M' e( f - } else if(upload.status == UPLOAD_FILE_END){0 p$ \, h5 {+ x; i
- if(Update.end(true)){. m5 i3 S. W& ]4 c
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);9 J! s' {; E: c. @: k
- } else {
2 h! R2 G" R5 ~ - Update.printError(Serial);
- K r. U! Z* H8 F$ E6 u - }
! @, h, X# p' ?7 o - Serial.setDebugOutput(false);
8 h* f# i) [6 j0 y: j) Q3 f - }$ {' |; M$ ]+ c7 z2 n$ X
- yield();
" ~0 E/ b9 ?: @( l - });/ o! C- s5 u- G3 S- J( R8 R
- ) D1 c" r1 Y; H! {) E
- digitalWrite(2,0);
1 u3 I' }4 c. i d- k" L$ X. r - mainAction();
! K: J- e: s+ i1 w# u6 V - if (digitalRead(0)){
$ {8 H' A% m* d. z1 _% L' R% a - ESP.deepSleep(0);: Y# s* M1 b, _/ C
- } else {
- }2 h9 ?' E) d; U - server.begin();- y/ O; |, B' G" Z
- }
1 a% U- ^# a8 {4 b- o8 O - }! z6 ^, `) h9 A8 V5 t3 v( n
- void loop() {
! V0 V" `$ e4 d4 q* i - server.handleClient();
2 n: t6 r h6 q4 b1 o! \ - delay(1);5 i: Q8 Q1 |8 h+ u9 N1 n
- }! B" z8 {8 R6 {- S) j5 B+ ]
- String doGet(String url){
2 n" c& M- Q8 N/ W - if ((WiFiMulti.run() == WL_CONNECTED)) {/ y% n$ J0 g k! ?5 {9 o
- HTTPClient http;
5 y; H1 y+ i' q; b% |% r" i/ Q - Serial.println("[HTTP] begin..."); {+ L2 Q" x/ O9 i: v8 ^( I8 J
- if (url.startsWith("https")) {. C. l) w5 k' O, Q5 S4 t ^; l
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
$ M' K! u1 U: F/ d0 k$ M5 T - } else {4 k9 ], a; a8 f" Q$ z
- http.begin(url);; }- R3 H4 R/ m( q
- }/ ~& C" v7 c! g& L6 m
- Serial.println("[HTTP] GET...");
, m2 e+ Y B' w5 O, j - int httpCode = http.GET();
' W; P3 N( u+ L1 D& s$ |4 b - if (httpCode > 0) {
' D2 e. C0 e( @6 x& [5 M, I - Serial.printf("[HTTP] code: %d\n", httpCode);* M( Q0 X/ z9 X, H
- if (httpCode == HTTP_CODE_OK) {
4 u+ x; B6 O5 \* |3 b- Z - String payload = http.getString();, P3 r% |; ~% Z; C' B |/ D* I
- Serial.println(payload);: h# m" P* K; J$ P" _) k
- Serial.print("\r\n");
2 B. g9 \$ ^, ^ e+ N - return payload;& l8 N7 L4 k" {
- }
) e& B) j7 c# k& b - } else {
: J" v1 V- a- K3 G' u$ R3 U0 B - Serial.printf("[HTTP] GET... failed, error: %s\n",' k% F5 _6 F5 a" ]% M/ l7 |4 }/ h
- http.errorToString(httpCode).c_str());
, L9 j/ j0 Z1 C( i0 u! @ - }) g& ]* `; H( d2 R7 U5 Y
- http.end();4 W3 v0 a5 c4 F% h' ^4 H, \" b6 Z' a
- return "";
" @$ @6 i f- |- k; m) }0 ~ - }
. e. i+ x" g/ B" {$ ~9 A! K - }# x; ^9 ]( L1 s1 `2 [: g) g
- void mainAction() {$ B3 P& X+ y0 e0 {& K6 R
- // 发送请求8 f1 Y+ _, E8 ?$ B
- doGet("http://google.cn");
6 H& c6 p% L0 b( l- W - }4 r/ E: I3 `# z- u, `
复制代码 |
评分
-
查看全部评分
|