|
|
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)
6 D' ^! U0 F( n: c% |- #include <ESP8266HTTPClient.h>
$ {0 T" Z( B6 A - #include <ESP8266WiFi.h>5 x4 ]# L7 M& J F) ?
- #include <ESP8266WiFiMulti.h># s3 D# h: D( B+ ?$ {4 e
- #include <ESP8266WebServer.h>
/ S" Z+ g2 I3 E! S/ h5 O# q3 l% S - #include <arduino.h>. T1 E5 J* J) P- ?, L5 q* g1 J
- ESP8266WiFiMulti WiFiMulti;
. w3 |# Y v; l& x% Z - ESP8266WebServer server(80);
- o6 |1 P+ m0 K6 b, L/ W2 Y( s7 ~ - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";+ l5 v2 B. h V
- ADC_MODE(ADC_VCC);
# Q# g& g$ M. e4 y# u3 R$ [ - void setup() {
7 y$ H/ {) n: G( l" T4 k' z - Serial.begin(115200);3 r* _+ S3 ^$ p7 Z1 y9 n
- Serial.print("\r\n\n");
7 l* c1 O- }3 k8 ^$ P* a - pinMode(2,OUTPUT);8 ~, W( y* d( |! G& i
- // WIFI1 |1 w d! M1 h/ b( H/ M
- WiFi.mode(WIFI_STA);8 c9 n3 B o& d1 e6 {/ {
- WiFi.hostname("Sparkle");
4 _% C# {6 \/ Z - WiFiMulti.addAP("wifi ssid", "wifi password");
3 q2 | G5 Y2 u6 { - int tryNum = 15;% L4 @/ X, ?- N/ s' ]0 H T
- Serial.print("Connect WiFi");
5 T9 b4 H& d) F( A9 _ - while (WiFiMulti.run() != WL_CONNECTED) {0 v) |+ z) I+ O9 ~! g
- digitalWrite(2,0);* x4 y+ {$ E. j
- delay(200);
* Y8 r b! I6 ?% Q - digitalWrite(2,1);& q5 E5 q4 ^- i% z( M! a5 i: t
- delay(300);+ X; P! J6 m; {1 S) F: @
- Serial.print(".");6 ?0 t: r, O" p: z! h
- tryNum--;1 U( E: a+ }6 v& ?8 l- ~( X
- if (tryNum == 0) {( |1 S9 @+ S# @$ w
- // 1min/ ?5 j a2 H, y% R& q
- // ESP.deepSleep(60e6);1 ~: z$ R# s- E( e& |
- ESP.deepSleep(0);
4 s, @/ g7 i# {$ o& l" U6 Z/ h" W - }
5 [' {' E/ u6 D3 b, L0 @: \ - }
; f/ z$ ]- T: Z2 e% ^4 N! l. X - Serial.print("\r\n");: z9 f' s( ?+ c; O7 @% _; p
- digitalWrite(2,1);
$ f; u! R* D5 ]9 q/ Z" `7 i - Serial.print("IP address : ");
, t( j4 S4 n! }5 ]3 a' L - Serial.println(WiFi.localIP());7 H5 z6 t4 K# r" ^; ]6 W7 N. D4 d: `
- server.on("/", HTTP_GET, [](){' Z' t' W1 i2 o1 R7 z: @& a! A: l3 I
- server.sendHeader("Connection", "close");
( Z9 Z5 y6 u6 j, a - server.send(200, "text/html", serverIndex);) G* z* V; o& y% s3 m4 u$ L* s, j
- });4 q$ v7 F% W" t/ D- t
- server.on("/update", HTTP_POST, [](){
1 n+ h% C- S2 T# B - server.sendHeader("Connection", "close");+ B) K7 K' q: y: y0 H
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
) w0 Z' u" W; a. N1 x' d - ESP.restart();- {5 {6 k! O$ w7 k; D
- },[](){
. x; u, X: A9 I& L# ]2 U$ Z! [ - HTTPUpload& upload = server.upload();
5 n0 k3 x0 U" |2 ] - if(upload.status == UPLOAD_FILE_START){
9 Z. N, @5 G5 e J - Serial.setDebugOutput(true);
5 a+ `9 {$ K4 O* Y5 q - Serial.printf("Update: %s\n", upload.filename.c_str());( @# K$ u/ A. l
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;( X X# s; H, r) {
- if(!Update.begin(maxSketchSpace)){
4 L+ b! `' c3 F8 B8 x9 }, L2 x - Update.printError(Serial);0 u" W1 [7 P& E# Q# f, X$ N1 q' m; ]
- }$ R( E: b7 G1 @! q
- } else if(upload.status == UPLOAD_FILE_WRITE){4 ?! H. C) \. x2 X* U
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
" B- k* I& q1 A5 w! u - Update.printError(Serial);# H7 G& F# S" C# ]* L! X
- }
# J* S8 i* m- Y- `# j - } else if(upload.status == UPLOAD_FILE_END){
7 v( g* F8 U5 e! `* b. G$ X$ h - if(Update.end(true)){$ q Y! Q$ o7 U4 u# _" k
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);/ I+ N2 c4 y3 \( M S. Z. Y+ t4 w
- } else {- M& l Z/ K9 e' O0 F
- Update.printError(Serial);
0 V" a4 |6 g6 N, Y" T& j - }
$ B4 ]8 S$ f/ y, f3 y: i: r* D7 k - Serial.setDebugOutput(false);
2 `$ k" [# y/ Z" M - }' ~- D1 j& F3 A( b9 T6 \: a. V
- yield();% E2 W! `+ {: J: R: Y
- });
. K0 W a* |+ c" O6 d$ E -
3 \# H/ @. x6 b3 {% I& i - digitalWrite(2,0);0 Q6 C, n- Z7 }
- mainAction();
8 `* i- \3 t3 \1 n1 x2 @7 A! W9 u - if (digitalRead(0)){8 W' V% I9 t* k1 A8 ]' a* y
- ESP.deepSleep(0);
" A4 l/ T3 x* K: T/ c - } else {
# ]7 x1 U6 [7 ^3 n - server.begin();# x7 M9 }5 p x9 \1 ?
- }
' v7 M" ]# W& @* K u - }0 a7 {4 V+ W) x; i, l$ k W
- void loop() {
( @, u" S7 @! o7 h4 B6 ~3 q: c - server.handleClient();' x3 X3 [- I* X1 ^; t9 b
- delay(1);
6 h" ]. H( Y, J7 g# _% \* ` - }
2 N" {! ~9 A8 m+ b. ~% U" b - String doGet(String url){ R4 Q. {2 j& ^/ ~: ]
- if ((WiFiMulti.run() == WL_CONNECTED)) {
9 ^) h& y" W3 F; e+ s; ] - HTTPClient http;) c6 N. p# X8 O, Y
- Serial.println("[HTTP] begin...");) Z" U& ^8 {) u0 \+ c) z2 p
- if (url.startsWith("https")) {
0 f8 I, y1 x! j - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");6 q& u' N$ g4 ?( U8 Z
- } else {
: k& H, N5 J9 W/ s& B0 k4 s5 [ - http.begin(url);" {" T( W6 X" V1 j
- }& t* w) R% q$ T, l" p: y
- Serial.println("[HTTP] GET...");
; W! \) k! Q2 E( F% I x8 Z - int httpCode = http.GET();
, B% J" s/ ~# r5 {) \3 q4 @$ | - if (httpCode > 0) {! m3 u4 P8 u# x; u, r M0 E- A' k
- Serial.printf("[HTTP] code: %d\n", httpCode);/ Q; Z7 C) F& h
- if (httpCode == HTTP_CODE_OK) {
2 M# C' O+ ~" v% T4 s9 F - String payload = http.getString();
7 o; }2 g/ S0 m5 E. q5 Y - Serial.println(payload);
( y3 x& ~: |, V* _' _6 B - Serial.print("\r\n");, L% u4 \# q9 W" J; P
- return payload;
1 X* b( z3 X. \; }' L - }) v, I. c. s& f
- } else {7 K" _# A$ ?2 \8 P" ?, V+ O
- Serial.printf("[HTTP] GET... failed, error: %s\n",
/ n A, G. z( _& M* I - http.errorToString(httpCode).c_str());/ h1 i5 m, t3 x E& v
- }
4 f5 E% _' @/ Z( m- `+ S! V; i - http.end();" {0 z7 d ^/ a% ?# ]' F! O
- return "";. T% r: u+ E/ E3 |0 n
- }' E' v( d" x4 r* S0 i/ e/ F; z
- }
1 \) [2 G2 ^4 d; F5 \ - void mainAction() {* z1 R, t5 ~) [( m% L Z8 l+ b, B
- // 发送请求) `2 x. L5 W! t
- doGet("http://google.cn");: C, S# G( q5 g3 i" p4 G* H, C
- }! o2 n# ?( G2 ^$ ~+ {; t( E: p
复制代码 |
评分
-
查看全部评分
|