|
|
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)
2 x3 Z/ Z/ O, b- #include <ESP8266HTTPClient.h>; v! u9 K$ }8 q
- #include <ESP8266WiFi.h>
5 b$ {4 d) z+ F! U3 n9 U B3 ` - #include <ESP8266WiFiMulti.h>5 R/ K$ M/ c( p! U0 P
- #include <ESP8266WebServer.h># C K% I4 [2 ?
- #include <arduino.h>
8 S1 f2 n+ X% U9 q4 s% H: _9 R - ESP8266WiFiMulti WiFiMulti;" q7 ^. R4 T. ]: L* |
- ESP8266WebServer server(80);/ w5 n$ C" P% E) v# e4 \
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";' G8 u4 _' U. N9 ?- g* W1 f& a
- ADC_MODE(ADC_VCC); T }- w3 e0 \3 _- h+ S1 H. f
- void setup() {
' V# M" ]" m; X6 O' e - Serial.begin(115200);
/ ?- o3 g0 d6 f, h, `. I+ e f - Serial.print("\r\n\n");4 d* r( U: P% o' b& R/ ^& j
- pinMode(2,OUTPUT);9 e4 A+ I$ h- o) N( j C, a6 E
- // WIFI
4 [$ l0 L0 U. O4 a - WiFi.mode(WIFI_STA);# C' E8 p! ~/ J9 G8 w
- WiFi.hostname("Sparkle");" Y( w1 Y: G8 c8 K
- WiFiMulti.addAP("wifi ssid", "wifi password");1 o! k/ \' o6 K s8 o3 ?9 A6 d1 O
- int tryNum = 15;+ ^9 k5 M9 B$ r5 F, O+ J+ @$ g
- Serial.print("Connect WiFi");0 z# L9 @) y$ Q& x2 c6 n
- while (WiFiMulti.run() != WL_CONNECTED) {0 O' J& j* d8 t. g5 u+ ^
- digitalWrite(2,0);& H7 ~( N+ }1 N m
- delay(200);
. ^* b7 F- ^9 Y - digitalWrite(2,1);
4 l4 J. ~" u v5 W \4 P, h - delay(300);. c' [ x" ]- M2 l5 C3 @8 ]
- Serial.print(".");# `) }5 B7 W2 \
- tryNum--;9 U/ x) m4 g2 U% `
- if (tryNum == 0) {8 } z1 K( q* P# U3 f
- // 1min
. z: I8 J2 S& k4 n$ X4 C! K5 V - // ESP.deepSleep(60e6);6 r2 I# W. J9 b' n
- ESP.deepSleep(0);
3 G' S. I9 J! t, F2 q - }
) @, s3 F1 u1 P, L5 ^ - }
, ~1 d* N+ N9 \0 y) b; X - Serial.print("\r\n");$ c7 a2 ?9 D1 r( D. H. u0 f& U, b
- digitalWrite(2,1);6 H5 l+ w! } K2 I
- Serial.print("IP address : ");4 p* [( [ ^7 `! n5 X1 {* z. {2 G
- Serial.println(WiFi.localIP());
3 |' V2 _% r3 B2 \ - server.on("/", HTTP_GET, [](){
4 q S9 x, K, }$ Z8 E2 ^/ q - server.sendHeader("Connection", "close");6 f5 [8 P) q! a' X- [! N$ t7 W- b
- server.send(200, "text/html", serverIndex);
8 d; e+ g' A5 h% I( A - });
9 F: h: t7 s$ p - server.on("/update", HTTP_POST, [](){# z4 M! o& _8 l# X; Q7 F, [9 ^ o
- server.sendHeader("Connection", "close");
1 z! E( y- D1 @ - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");8 G: {6 u6 a( P8 ^
- ESP.restart();
" a- i8 q' l( a# c% T3 p - },[](){
$ b/ }6 w8 V6 s$ E2 s - HTTPUpload& upload = server.upload();
2 B& R; k! K8 Z4 ]0 S - if(upload.status == UPLOAD_FILE_START){
: f O" W6 E$ | b - Serial.setDebugOutput(true);
5 I A/ A* x: L/ \. c - Serial.printf("Update: %s\n", upload.filename.c_str());
0 N0 b/ R" `3 G* U - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
- k; j' ^ t& b7 {0 I7 | - if(!Update.begin(maxSketchSpace)){
2 A2 Q! L, F8 k) Z* S( @5 c - Update.printError(Serial);: K$ `1 `; Y% M) A
- }* }* K, W2 U: c5 a
- } else if(upload.status == UPLOAD_FILE_WRITE){
. X+ O$ X4 R) y; X - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){7 A) y; x1 d1 c/ O0 O1 B
- Update.printError(Serial);
+ o4 u; u6 S! O, l4 C - }& T) v& f$ J2 w/ W
- } else if(upload.status == UPLOAD_FILE_END){* C1 Z8 @ m+ ]' n6 _, E
- if(Update.end(true)){
3 J a3 j$ x* F7 h5 V1 V/ J2 ]0 C - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
+ E; l% m6 h6 T+ k& z6 D8 ^1 {) o) j - } else {
5 R3 F* F9 f; C9 X) p: v6 b& D - Update.printError(Serial);
6 q, P! k# n8 B+ u - }- k+ O5 {& \% S7 i3 l- m$ A
- Serial.setDebugOutput(false);
9 Z% B2 O7 ]" H/ X* J - }
: h' I: {8 U" \% H9 M* G( p; i - yield();+ O+ L6 w/ r0 B5 `8 S9 M
- });
l! N( C8 l, k5 U6 j) L -
- R; ?* x1 a/ q" y6 x) k( ]) F - digitalWrite(2,0);
4 U1 C r6 r J% Q - mainAction();
8 d8 _, P0 Q6 u2 I - if (digitalRead(0)){8 k* o& x. r$ S, H K$ |6 s) K
- ESP.deepSleep(0);+ T' V s. P1 d3 {! Y% [3 C
- } else {; m3 w2 N2 C$ l
- server.begin(); n/ l. F4 @% c! a
- }! U% K' G# W7 C& Y O( ]% Z
- }) P& E/ Q5 a* a! @1 P
- void loop() {
, E8 u8 u' M3 M- P3 ]( v0 k" ^$ X' I - server.handleClient(); a' q% Y9 s, [* w
- delay(1);
7 A* D# {' H1 N, C, @ - }
' H& z6 \& w: O& ?/ w+ y. A) { - String doGet(String url){
1 B% N5 t) g9 L7 V2 H - if ((WiFiMulti.run() == WL_CONNECTED)) {
" o) Z- g. a) Y" Z' w - HTTPClient http;8 A6 u% d) K/ F+ Y: R
- Serial.println("[HTTP] begin...");, S, h+ U9 `& v" Y( ?
- if (url.startsWith("https")) {
( B8 e) Z+ S+ S& X/ i - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
& @; p4 P5 o5 n/ i+ `- @( I - } else {1 _( H2 U: D- [0 B+ H# E
- http.begin(url);
, J7 N3 p9 O0 L. H - }% i' w$ ^5 n) K8 Q
- Serial.println("[HTTP] GET...");( R: j: M' o& h& [8 g0 x' D
- int httpCode = http.GET();8 c. F3 e5 M! r. J
- if (httpCode > 0) {
% l; `+ o! f' `( R - Serial.printf("[HTTP] code: %d\n", httpCode);" K4 P0 C4 u6 r: Q4 G: v2 G
- if (httpCode == HTTP_CODE_OK) {
8 r3 w& j- _. w - String payload = http.getString();5 U1 K6 b0 n7 a' [& z/ z
- Serial.println(payload);
$ b0 G B. `+ H! h - Serial.print("\r\n");
" A, K5 L: M0 c1 k# S. a) r - return payload;4 V; R$ _: c \4 ]; V" E: _* [8 n! C
- }
5 V" U: ^0 J) E/ b! ^- G - } else {
8 B. o# v6 Q$ D0 i% v - Serial.printf("[HTTP] GET... failed, error: %s\n",8 v- n* W$ { V! v# G" u
- http.errorToString(httpCode).c_str());
: J6 m; s( y/ |* v - }
# W- r- T& i+ c, T$ D+ _2 Q - http.end();. H( R7 S1 T6 Z( D; r
- return "";
5 A! [* @# E3 t$ H7 @3 U' ~" C - }
0 O3 P+ |3 f9 \: {" l; W - }
- [7 ]! ]+ [- M6 E - void mainAction() {
. T$ Q" Y0 I- {; \! _- h8 S4 L - // 发送请求3 L& [1 x6 ]: L5 {& b
- doGet("http://google.cn");
+ ?. }$ v% b' x0 p% o - }
# F2 b5 u0 U- b/ ^: U. ?
复制代码 |
评分
-
查看全部评分
|