|
|
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)
* ~$ p. _5 M* a- #include <ESP8266HTTPClient.h>
, J4 M7 r3 N6 D1 {0 ]: p$ A - #include <ESP8266WiFi.h>3 f. L6 i. m4 R4 L4 v9 w
- #include <ESP8266WiFiMulti.h>
- G% W8 i8 S8 s( F5 |3 @ - #include <ESP8266WebServer.h>
1 H$ }( s/ R; {1 Y' h - #include <arduino.h>
# _( A1 `* m; ~& I6 e, v( ] - ESP8266WiFiMulti WiFiMulti;
; f N3 @# `/ z& n - ESP8266WebServer server(80);
2 w; v3 A8 d6 }# E - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";1 @; ~6 i: _% b& n4 e% K& m9 m
- ADC_MODE(ADC_VCC);
& ~# ^ S1 n) e9 ~7 E+ L: D - void setup() {! b& X! ]; J; g/ g' E" r7 A
- Serial.begin(115200);$ \/ x0 U0 H8 O" E* S3 g9 E
- Serial.print("\r\n\n");& P8 H0 H" p1 d
- pinMode(2,OUTPUT);
/ K9 ^ I+ D& A - // WIFI
3 g# E0 F% ], V7 `. O - WiFi.mode(WIFI_STA);
( l& L7 ?9 C- w% |+ R0 o9 [# A: v5 \ - WiFi.hostname("Sparkle");
3 ^% d: B, t" [2 [7 \+ k3 R - WiFiMulti.addAP("wifi ssid", "wifi password");1 ]/ z& D& s8 x; V& `
- int tryNum = 15;) ^( n9 O6 r6 [1 h9 A. F( c0 g7 y
- Serial.print("Connect WiFi");1 b* x5 H y5 o. l
- while (WiFiMulti.run() != WL_CONNECTED) {
+ r% w: w% S. ]9 e - digitalWrite(2,0);
" Z* U% x% h2 ]6 ~% j - delay(200);) g w; d$ w+ B
- digitalWrite(2,1);
% d; P# A) q6 `( [ - delay(300);
- i g7 ^1 z" ?: \) N8 { - Serial.print(".");0 V9 K; X) ^2 q7 {& I5 |
- tryNum--;
" Q) F/ A$ B: o4 c8 [7 T( Y, M( K - if (tryNum == 0) {0 g0 T! j% _0 W& c; |
- // 1min
) @: \* Y1 b' A) H4 G - // ESP.deepSleep(60e6);+ W0 l/ `) ^) _. h8 Q
- ESP.deepSleep(0);
' _6 I7 a9 g* l! r' r1 M - }* Q) k" {& v/ p3 V( q* b
- } ? R$ }: E5 C
- Serial.print("\r\n");
# z/ k, s5 V' s) ? - digitalWrite(2,1);6 U1 q- R C) j+ y, B% B. _
- Serial.print("IP address : ");
* {8 b3 ~6 |$ {+ W - Serial.println(WiFi.localIP());
7 r+ K; p( }7 \% m - server.on("/", HTTP_GET, [](){; {* q+ t) {/ S$ t& F
- server.sendHeader("Connection", "close"); V; }0 ?$ h4 R o8 W7 c' u
- server.send(200, "text/html", serverIndex);4 i5 x) C: I6 Q
- });
8 T4 \* @( j+ ^6 O/ |* c - server.on("/update", HTTP_POST, [](){
0 s+ y8 j3 X* m1 h - server.sendHeader("Connection", "close");7 T( ~7 H( k. k3 f3 w9 ]
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");- e) N" W6 C! I9 ]5 \/ [
- ESP.restart();* \0 d* m: {9 @
- },[](){
- ^: u. g7 H$ W K. ` - HTTPUpload& upload = server.upload();# @2 f* T6 r$ }/ F5 a0 Y! @" w4 s
- if(upload.status == UPLOAD_FILE_START){& F, i8 x8 \) C6 v5 j4 T+ x
- Serial.setDebugOutput(true);
. @1 P3 C' z8 Z1 a - Serial.printf("Update: %s\n", upload.filename.c_str());
T3 O: a+ h& ?9 {- m8 D - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
( i* x$ d6 K" K5 c- ^ - if(!Update.begin(maxSketchSpace)){% m' j2 r1 d- R! Y+ F
- Update.printError(Serial);
. \+ X, T( P c/ Q - }
; b& d) ?: U0 D3 I" G - } else if(upload.status == UPLOAD_FILE_WRITE){4 i, h8 A( U) p. }" F
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){) I C+ M9 z4 s% u- y
- Update.printError(Serial);
5 o$ a$ h+ C4 t+ U% s - }7 G% N% E {) y$ ^: A
- } else if(upload.status == UPLOAD_FILE_END){
6 |) \/ L/ F! A/ o& p: e7 n2 s - if(Update.end(true)){# a1 i9 P' O2 y. w" ?' r
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
: y% h8 _4 C. h7 |8 J - } else {
# z6 u* n7 z! q1 z3 R - Update.printError(Serial);5 e& U) O" q' l1 x
- }* i! m; G2 f; R& Z& U1 i- ?
- Serial.setDebugOutput(false);
$ C& ~. u1 f, y/ Q% ^! _' ? - }5 h% I7 `! C) \) K7 p6 \. j7 S
- yield();4 r2 o' g. T% g# V) A
- });
, Y: {/ ?* S& ?0 X4 d9 ` -
. M) R% B% j. A; n3 o - digitalWrite(2,0);
3 x' d( V; j" E - mainAction();0 c j' Q) J# k+ ^9 [$ T" H
- if (digitalRead(0)){
9 I* H1 z4 ~, F' Q) y2 v% B' _ - ESP.deepSleep(0);
3 n; U7 i$ k$ N. R9 ^' G8 ~ - } else {
/ q8 i6 V3 H( x! R - server.begin();
9 q" [: ?1 o a - }! a4 Q; J# g e/ N1 t F# I7 |; C
- }
' K; U* d5 i2 H( y1 h ] - void loop() {
1 W/ R3 o+ {* k0 W0 y6 u; ~! W0 F - server.handleClient();
# B! L6 c3 P) T: D$ M7 x4 d - delay(1);7 B4 N7 {% \% ]3 D5 [/ L
- }
' |0 a! }9 Q0 l - String doGet(String url){
O+ W* I/ Y+ I ^6 `% Y - if ((WiFiMulti.run() == WL_CONNECTED)) {
' u! \0 }0 Q7 z' i8 t - HTTPClient http;
( W6 h" X, `4 b5 [7 k& b7 j2 |9 ] - Serial.println("[HTTP] begin...");( ]5 ]5 K2 a5 k& Z$ [9 t
- if (url.startsWith("https")) {' b" f# r/ e( Q
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");2 C6 U% M1 [3 q2 u6 \
- } else {+ }) B0 B, z# [: H1 r# N
- http.begin(url);
" Y. v6 _( F6 d' C - }
4 x, l1 b3 T. {% w - Serial.println("[HTTP] GET...");7 O( ?. ^# d1 d+ i) s2 o
- int httpCode = http.GET();/ F. A( @5 Z. v8 T# F. k8 @
- if (httpCode > 0) {; k- Z3 S4 c8 L' C/ B' S; J: K- |
- Serial.printf("[HTTP] code: %d\n", httpCode);0 A, ?- H/ x7 d& Y. @
- if (httpCode == HTTP_CODE_OK) {! c4 h$ q! S6 j8 h
- String payload = http.getString();
; j# W2 C, c) `4 K2 U6 |! q k - Serial.println(payload);
* B& K9 _& J7 @- h8 D - Serial.print("\r\n");
' O4 u% z7 u p; ?0 J - return payload;
: A! a3 a4 f6 B& K6 q - }7 n8 t4 B) V. \/ p
- } else {
d# |1 A5 [/ R1 B' M - Serial.printf("[HTTP] GET... failed, error: %s\n",
; \: o7 R6 R8 w1 H! M, M, { - http.errorToString(httpCode).c_str());( x4 Z" A+ f4 z7 H3 b7 V
- }8 F9 M3 w* ^% E+ N
- http.end();/ l/ n( H. k1 o$ l- I+ \
- return "";+ ^* z/ ]5 d* ^- ?
- }
P' y0 _! J5 F. W - }) U8 g6 a3 {: G" {$ t
- void mainAction() {
2 b) r, ?2 c: x4 H _8 J T q - // 发送请求" ]" U9 u% i+ h- q: a f) y
- doGet("http://google.cn");+ y' [! w& M) ?3 Z5 @% X- T+ k8 c
- }/ _; E9 n7 K! X1 d3 c. z
复制代码 |
评分
-
查看全部评分
|