|
|
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)
% o E3 _' Z* P* u0 {+ w2 W# K- #include <ESP8266HTTPClient.h>
4 [7 b/ F, f0 O( n2 k" v- W. Z - #include <ESP8266WiFi.h>" ]$ h+ w1 Q# U# U0 b' I
- #include <ESP8266WiFiMulti.h>- h) a z4 Y) l6 c- N& L! l
- #include <ESP8266WebServer.h>
+ C; Q* ^, w0 e$ h - #include <arduino.h>+ ?' ?! `8 A- O$ u, n
- ESP8266WiFiMulti WiFiMulti;* O) x+ O! S# {% t4 |$ L
- ESP8266WebServer server(80);
( I' A0 R; P9 R$ T - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";2 Y- t# D- {. \- R$ u
- ADC_MODE(ADC_VCC);
# e! x6 x7 `& J) p7 i; ], K - void setup() { Q% @% h% S' ]$ E1 E
- Serial.begin(115200);- k/ D- ?+ {) S* O: V& V
- Serial.print("\r\n\n");, Y4 X; @/ D b7 W
- pinMode(2,OUTPUT);
9 S( s% |% v5 ~9 e8 v$ U - // WIFI4 E; h! R9 t' b5 [, B* e
- WiFi.mode(WIFI_STA);
2 f- v. m+ ?4 Z4 V0 c - WiFi.hostname("Sparkle");
: \+ j2 E, j/ A/ P - WiFiMulti.addAP("wifi ssid", "wifi password");4 p S4 d+ F* s0 {
- int tryNum = 15;
$ f* Q% `# S, p0 b# J - Serial.print("Connect WiFi");- O6 o* f7 V& t
- while (WiFiMulti.run() != WL_CONNECTED) {
7 G' u8 p! ?; p" Z0 e - digitalWrite(2,0);
6 N& ~9 q- F* W- t& K. [9 f - delay(200);. P: u" u7 H! A
- digitalWrite(2,1);
. H* o' E2 j$ k. D5 w1 B% t+ y - delay(300);* M& R0 [% {6 A- g; \- R+ \
- Serial.print(".");
: g, T" ]0 \$ k% A9 V2 x - tryNum--;
9 o. S6 g: I1 {! N3 |- [( H - if (tryNum == 0) {3 B0 B) T3 G s
- // 1min
. l4 y9 m) ]- c( p - // ESP.deepSleep(60e6);
+ R9 j+ ^0 a0 a: i. y8 R - ESP.deepSleep(0);
$ _& j5 P2 P# c - }( ^$ ^% S/ i; Z$ z9 N8 w& ]% R
- }% ~+ Y5 ?- ]; m* d
- Serial.print("\r\n");
, P6 O3 w5 m, p: `, E6 t( M: C/ U: E - digitalWrite(2,1);# x3 A4 ]( F* b8 m1 W# V4 {% S
- Serial.print("IP address : ");
0 G/ {: ~7 R0 n - Serial.println(WiFi.localIP());6 M3 } |+ o( E! U: o$ z
- server.on("/", HTTP_GET, [](){ s$ b& q& _# u! g$ ^/ P
- server.sendHeader("Connection", "close");
# {/ Q! h" g+ O" v, C - server.send(200, "text/html", serverIndex);9 [) v" Q( H& k
- });9 B( b# N8 Z5 M" [! ^7 @' T' W( J- m
- server.on("/update", HTTP_POST, [](){
6 v7 a7 o- V2 Y1 l5 j - server.sendHeader("Connection", "close");! a% W+ L( Y4 G6 S `# _
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");) |$ n3 _5 w' [% L7 w5 }
- ESP.restart();8 w% h4 {. F/ x g$ p
- },[](){ ?4 U6 U+ n9 v0 Z& m
- HTTPUpload& upload = server.upload();0 q) I6 |$ {, N+ k
- if(upload.status == UPLOAD_FILE_START){4 P4 v# o5 [# N/ g) R
- Serial.setDebugOutput(true);' n) G5 T! \' _- d& R/ E
- Serial.printf("Update: %s\n", upload.filename.c_str());5 m2 }7 ~# X6 P6 y# s! c
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;: ~- u& F5 b3 f! i
- if(!Update.begin(maxSketchSpace)){
+ s2 d* z2 f) p - Update.printError(Serial);
- {' K4 l. s) Y: y - }* q! D7 z; e o; r Q6 @3 _" J
- } else if(upload.status == UPLOAD_FILE_WRITE){$ F3 r0 o1 g- `7 r. ~
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){' ?, p( y& }$ m0 _0 j; l$ e& I- u
- Update.printError(Serial);2 |" b% v0 [. F" g
- }
& Q+ F4 ^0 H0 R4 ?7 z3 Z - } else if(upload.status == UPLOAD_FILE_END){
7 {. S" V2 B0 s$ j( a8 K - if(Update.end(true)){2 U: C: |% B" v7 x7 ^
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);- b/ m( l- R) y9 n0 |
- } else {
$ w# z! K2 E. X( d {5 W0 Y - Update.printError(Serial);
0 S# Z9 K( A5 ^% j$ Z' _ - }
3 A8 g- h3 Q; ~' M* v$ x5 ? - Serial.setDebugOutput(false);; V$ _* `( j( K( u+ F
- }
, y+ t1 [: f: \( ?/ I - yield();
. x7 p. c, N9 |1 M3 y/ M - });
( n* Z- C& y1 E( ?, i* E8 w" M. g - " H7 ~0 ]/ G* i! O0 b
- digitalWrite(2,0);( [. @7 P3 }4 D% y( n
- mainAction();" H7 D- p3 E& N
- if (digitalRead(0)){9 g6 b2 ~; j, i) B
- ESP.deepSleep(0);" z; l" W4 P9 o$ F
- } else {: ^0 o j3 w+ t0 d W
- server.begin();
1 V5 L: `5 b: o - }
! x- f6 y1 ^! v3 g - }
! n5 k% p6 u4 ]* K7 c - void loop() {
1 W: R+ k6 L( `3 g7 U7 C$ p8 Y - server.handleClient();
6 b3 N }6 [' Y- `3 G k - delay(1);; M9 B/ B. c( s! s9 l/ l
- }- w4 s7 D' m) R) ]9 C* U
- String doGet(String url){
& A/ [ q- d) E7 v0 _ - if ((WiFiMulti.run() == WL_CONNECTED)) {
& E' K0 {- I H& L* h$ @" n- e5 ~! N6 `/ \ - HTTPClient http;7 \+ @7 I& i8 m5 i7 {- D, ^2 q
- Serial.println("[HTTP] begin...");4 w; T% m' P4 R @" Y1 ~& L" n( J; i5 b; i
- if (url.startsWith("https")) {- C% Z& g C6 y: [. G$ q- R; z
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");* L! Q* I0 f* X% N# K& O: H
- } else {* }; K" @8 n7 S
- http.begin(url);7 j$ ]2 _" c% J7 r# ` c$ t
- }. U. I ]/ m+ a$ A; @' V
- Serial.println("[HTTP] GET...");# }; m, R: o4 z. i* w- w3 j0 b
- int httpCode = http.GET();
( L* w8 N* \6 q3 J9 C& C - if (httpCode > 0) {
: L* g; I# l7 F2 W - Serial.printf("[HTTP] code: %d\n", httpCode);
0 _, D+ u% J, X' p, _- F - if (httpCode == HTTP_CODE_OK) {# [8 ~' n1 W% K9 d2 m: n
- String payload = http.getString();
8 V7 A1 @ x/ P9 Q3 Z0 [9 \1 P - Serial.println(payload);
2 j; K' E& N8 _) C( {; g - Serial.print("\r\n");
$ x4 S8 N! ^$ a - return payload;" b$ n) I v6 l0 v# I% I
- }- W2 W$ w; s6 ~# f6 M" d
- } else {/ O0 A$ \; e0 U( R8 R+ m( Q$ p
- Serial.printf("[HTTP] GET... failed, error: %s\n",& Z* v8 P( i# S) N t: U
- http.errorToString(httpCode).c_str());
0 x0 J4 }6 \2 ^, Q3 W o3 W/ S - }. H' Z; Q" }8 Z' r* t7 K7 x
- http.end();7 W& O; F( C s" V5 ]( B2 c
- return "";
* m9 c9 B5 V9 m- K - }
$ k- }0 Q2 p% A - }
+ o# M9 X8 [4 x+ Y - void mainAction() {8 r! o" n# S. O$ f0 G6 x) ?3 S6 p
- // 发送请求6 n u0 C- K3 J. o/ O
- doGet("http://google.cn");9 ~0 S( `" ~5 Z$ {
- }, q4 M6 }) {' |+ L& z1 E
复制代码 |
评分
-
查看全部评分
|