|
|
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 d4 g2 @% Q) R' O" W- #include <ESP8266HTTPClient.h>
- {6 p, f5 D0 |7 i9 r - #include <ESP8266WiFi.h>% b: B# D0 B$ }5 m( r0 }
- #include <ESP8266WiFiMulti.h>' W o7 H5 C9 d) r" `
- #include <ESP8266WebServer.h>7 U6 Q+ U. H# D. ~( {
- #include <arduino.h>
9 c, x! T0 B. X2 Z - ESP8266WiFiMulti WiFiMulti;
9 k7 s0 l; b- |0 Q9 N - ESP8266WebServer server(80);& J# R7 J, N0 F
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";# R) \& B) L) t6 f2 E) f0 Z) q
- ADC_MODE(ADC_VCC);
: E0 }# R" w1 d: ? - void setup() {7 B: { H0 \8 }1 ?& Z
- Serial.begin(115200);/ H f+ P/ X. r. C: x1 j
- Serial.print("\r\n\n");
" i# N* V3 r+ j/ Y: g - pinMode(2,OUTPUT);+ F* C- h/ U9 S) ?: {7 Y
- // WIFI5 Y& d% ?1 o* D) }
- WiFi.mode(WIFI_STA);9 K( A( Q& j) q3 p" u
- WiFi.hostname("Sparkle");
1 ^% D$ |. Z& a7 | L# V - WiFiMulti.addAP("wifi ssid", "wifi password");
$ _1 D9 _5 U" Z, T! S - int tryNum = 15;9 \3 `7 f1 {2 H" i/ J3 M
- Serial.print("Connect WiFi");
: G# ?; G1 B! s$ i4 v6 g - while (WiFiMulti.run() != WL_CONNECTED) {2 f- l- G5 h5 C' R1 h
- digitalWrite(2,0);4 o4 }/ O" z/ s' ?- ?% r# I9 ]& a
- delay(200);7 U1 Y+ w8 N' `2 o
- digitalWrite(2,1);6 Q0 K/ ~2 p# R0 V: B5 `+ C9 F
- delay(300);
i. s! y) [7 [ - Serial.print(".");
0 M( }- K" T8 T# O7 c: ^1 M - tryNum--;
3 Q1 P. d. j! K; A& i {: b - if (tryNum == 0) {% l3 H1 A, O$ M
- // 1min
& _" ~/ [$ u V$ U5 X2 b# Q8 d ^ - // ESP.deepSleep(60e6);
3 [: p2 _" n( N* a - ESP.deepSleep(0);! E0 Z2 y `: R1 U" Q
- }
1 {' \6 X6 j) N* G ? - }+ d9 B- l& i N# Z* r' Y, J2 w
- Serial.print("\r\n");
5 m: p7 ?, f1 H; P# d& l - digitalWrite(2,1);
! r2 r% m( t5 N8 y: I$ o# j - Serial.print("IP address : ");
7 [6 d$ a' t% Y) j. c5 s p4 b - Serial.println(WiFi.localIP());/ ]2 a$ @! l9 n+ [/ o3 v
- server.on("/", HTTP_GET, [](){6 P3 c+ m( i; b6 O0 u. d
- server.sendHeader("Connection", "close");
" a9 v# j7 O/ d! U - server.send(200, "text/html", serverIndex);
$ [$ M( v0 v' \( ~% c6 j3 q9 W; { - });
& h$ @& M9 w9 m8 h# m/ ?. I0 {( E7 R - server.on("/update", HTTP_POST, [](){/ C k0 w! o& W0 d( h! J: e4 e4 p
- server.sendHeader("Connection", "close");, J7 k/ {% m3 J6 h% f
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");1 j, ^9 D" K" A, A! u
- ESP.restart();
; L; q. x" O: r* j - },[](){
# K5 E2 u. b: V# @/ a' J9 a - HTTPUpload& upload = server.upload();
: t% v* o/ r" Q% c: `. F- |( N% s - if(upload.status == UPLOAD_FILE_START){
& o3 ?% [" }4 t4 E - Serial.setDebugOutput(true);
+ ~$ q! i* ?7 \3 l3 R. | - Serial.printf("Update: %s\n", upload.filename.c_str());4 V8 c7 T. t) _0 g$ V( P
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;+ K4 ?& f# u$ ~
- if(!Update.begin(maxSketchSpace)){
3 b) G; R& M! s. D - Update.printError(Serial);
5 p, s$ J! t3 x4 G/ _3 A - }8 j3 d4 l i* G8 N
- } else if(upload.status == UPLOAD_FILE_WRITE){
- X) z5 Y4 Z( ^" |. G D8 I - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){' Z8 Z5 x1 j% o, S
- Update.printError(Serial); e) Z& @* m/ m! d3 q
- }
; u# r5 W6 L3 g* ]! | - } else if(upload.status == UPLOAD_FILE_END){
# N" [) ?$ E7 P( ` v - if(Update.end(true)){
5 A6 E# L$ ]! V0 c t9 D5 u3 w - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);- Y' v e) A' j1 N$ N- q
- } else {# x& T o* K* c
- Update.printError(Serial);) g% O8 p2 `1 x, M% R: y8 ?. x
- }
* v5 I- S4 D& x# f% n - Serial.setDebugOutput(false);/ w6 R1 l/ y7 K/ c5 t
- }8 K9 J, Q6 m7 Z+ z ~0 \. P
- yield();7 c* q6 s- a( M+ ^
- });5 ]4 H- Z% `* U4 s9 F" D
-
3 [( I. Q6 v% M9 f5 k - digitalWrite(2,0);
# D! {0 z% J3 }* ^5 k - mainAction();
4 k! V' b# Q0 o& D2 v' l - if (digitalRead(0)){" C+ d1 C+ a/ }/ h
- ESP.deepSleep(0); K2 ?. x3 {4 y# M
- } else {0 w7 }& j, R F( @2 o
- server.begin();
$ Y" T0 G# }- y! E( U4 |2 d - }0 y% b8 m4 \5 ? V o
- }4 ^3 c2 P4 S# z
- void loop() {
& _0 w Y. z, S, h$ P$ p% h - server.handleClient(); _$ c1 ]% s. R8 V( C
- delay(1);' |; s, A# n; @; y. Y1 H
- }5 h5 E. z1 ] w3 J, ?
- String doGet(String url){8 P. h1 J& c) q" \. R- q! ^( C
- if ((WiFiMulti.run() == WL_CONNECTED)) { u; o4 D3 E7 D8 e7 A- J u
- HTTPClient http;
) m$ J& |% [) `* t - Serial.println("[HTTP] begin...");' e4 H/ _: P# t5 {2 L) o
- if (url.startsWith("https")) {
; |4 y: y* s& w) Y. C | - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");+ Y$ y$ Z: I/ C# K3 j
- } else {1 g! Z) w, H# Q/ l' {. a
- http.begin(url);" i$ |9 h4 [, B& l) V
- }
, Z& R+ y( G) }0 p9 I3 Y - Serial.println("[HTTP] GET...");
& P' G1 y1 o: H1 n/ t - int httpCode = http.GET();6 b& [0 `3 w% h6 ^! J: a
- if (httpCode > 0) {4 M% D3 |; `6 G: x+ ^' @
- Serial.printf("[HTTP] code: %d\n", httpCode);
9 v* b. k: W& s9 k/ [. ^2 k: j - if (httpCode == HTTP_CODE_OK) {
6 }+ U O0 f+ G5 [& {! \ - String payload = http.getString();
8 U: ^; i% c# X$ }$ }7 i% ?1 I - Serial.println(payload);- M$ B1 {& u9 F; J" v3 X; o
- Serial.print("\r\n");
& m& a% H! Y' h: G5 T% t - return payload;0 x! F( C* Y* E0 o% M- l
- }
+ V- R" b. A0 Z$ V/ w - } else {" o& X$ i r. P& x, W6 f5 e( G
- Serial.printf("[HTTP] GET... failed, error: %s\n",
a5 K; R7 H/ H: f# O/ {- d - http.errorToString(httpCode).c_str());& y3 l: U9 o( Y' C6 N- J, m
- }: N8 e- B8 Q3 x f
- http.end();( r r2 {3 U, N, }' |, x
- return "";' ]) d7 t; l- U5 x
- }
5 Z" q0 R* g4 f' R* X - }
5 i, ~6 F! Z; c3 u1 o: h+ t - void mainAction() {3 ~; Z6 t' H4 S' N& E
- // 发送请求. n/ |- @' K$ a: B
- doGet("http://google.cn");: F, N2 y7 ?3 F9 Z& ]6 ~
- }
7 ]% N7 f) X9 j2 _0 P: J2 F: c" K
复制代码 |
评分
-
查看全部评分
|