|
|
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)
4 Q, h: ~8 ]9 h. g& L- #include <ESP8266HTTPClient.h>$ Z' T4 f0 n0 E' z1 \8 Y
- #include <ESP8266WiFi.h># d0 ?0 A! E# l
- #include <ESP8266WiFiMulti.h>
5 V3 F+ C+ h8 O3 [& m# c - #include <ESP8266WebServer.h>. X3 Z4 I% k$ a$ T" a
- #include <arduino.h>, y9 m, K6 ?- y H# n
- ESP8266WiFiMulti WiFiMulti;7 f$ _ b) s# q- k
- ESP8266WebServer server(80);9 {+ `! g* r+ b
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";) A2 ?# J) I ~; \9 F& W/ s+ I
- ADC_MODE(ADC_VCC);* a: k4 s; t; O f v+ ?
- void setup() {
6 x ~6 h& ], [5 x+ Y9 f - Serial.begin(115200);
2 P6 {# U3 k1 l0 u: o, }5 }, J - Serial.print("\r\n\n");
" r1 U* Q: n9 I3 \4 d/ n" Z - pinMode(2,OUTPUT);2 D, S1 ]) i, y4 }) D* C
- // WIFI/ A, h8 ^: j0 r
- WiFi.mode(WIFI_STA);
, i$ @ o# q X( a. b$ W* g% N - WiFi.hostname("Sparkle");. [( G/ ?) D0 Q$ Q( d! l
- WiFiMulti.addAP("wifi ssid", "wifi password");% g8 @9 C5 A6 [; i, o
- int tryNum = 15;/ P. D8 s0 R% W6 r' C1 o8 }9 t
- Serial.print("Connect WiFi");
* _; T4 |+ h, f8 `* l& G - while (WiFiMulti.run() != WL_CONNECTED) {$ F1 w/ F+ I4 ~
- digitalWrite(2,0);
" D3 e+ }4 p" `# O. G5 V% E8 R - delay(200);
8 x, M+ f/ C5 b$ `3 O - digitalWrite(2,1);3 r0 ~, G0 R7 s6 n
- delay(300);! G& V/ \ N: c! e4 w: G. y4 q
- Serial.print(".");
/ \ F4 y* x$ t( ?8 ~( D. ~0 ~# Y - tryNum--;
% q9 X! Y2 i/ A - if (tryNum == 0) {
`' k( r! E) z4 ^* w6 {( e7 R - // 1min4 K' s" x) J# |$ V6 g! \
- // ESP.deepSleep(60e6);
2 L* S+ c2 y, n- W3 l6 G0 u - ESP.deepSleep(0);. J- i; Q2 f! K6 B% V9 B& }: P
- }
4 K" {0 M! d$ S5 f* s, R: h - }
/ B. d; B( @7 N2 w( i0 Q0 a* ^6 U0 s/ E - Serial.print("\r\n");( Z; z" A Y9 |
- digitalWrite(2,1);" d2 L! Z+ j9 M8 I6 m/ h$ [
- Serial.print("IP address : ");
% E( l2 P" M; o6 e' O/ G0 e - Serial.println(WiFi.localIP());
+ T b% w& g% {; y1 ` - server.on("/", HTTP_GET, [](){
/ M5 x7 m m/ ]3 ? r: n - server.sendHeader("Connection", "close");
Q: w$ W/ ^/ W( k - server.send(200, "text/html", serverIndex);
* o% @. A& C9 @ - });
; Z2 D& P% Z/ o7 W# U - server.on("/update", HTTP_POST, [](){* \: b0 ?! m1 w. H% o7 [$ C8 Q( e, y
- server.sendHeader("Connection", "close");
* p) j: S3 Q# E# K - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
" L" l; Q- Z+ @% x) Y; `/ ] - ESP.restart();1 f! X+ [( H2 v9 }
- },[](){
: q! C8 _8 ?6 ~/ K5 g- E, [* i - HTTPUpload& upload = server.upload();
* D: K7 b9 O, R5 s - if(upload.status == UPLOAD_FILE_START){
2 i1 x2 @. `- H - Serial.setDebugOutput(true);0 M7 f# A# e2 U
- Serial.printf("Update: %s\n", upload.filename.c_str());
/ x6 i% c# T, |$ N+ ` - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;% \1 k/ ?$ o9 j
- if(!Update.begin(maxSketchSpace)){
r& I @/ ~4 o& D5 K; d. J - Update.printError(Serial);0 m& |. [3 r( @9 e ]* [2 o
- }
. C; u4 X& a* m- h - } else if(upload.status == UPLOAD_FILE_WRITE){( h! Z) E( f6 u" f- s. e- R
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
2 k% ^$ W7 z* C; v1 G - Update.printError(Serial);
1 z1 f! C6 h5 C - }
4 o1 k2 F/ _5 K - } else if(upload.status == UPLOAD_FILE_END){
( G' }- j7 x( z+ \, o7 s. S - if(Update.end(true)){
5 ?+ k- b& c- d0 X+ m( _ - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
- r4 G, e( R, U. Y- V6 b* X - } else {
v. e2 {% T: f, u* ^6 M$ x5 } - Update.printError(Serial);1 `4 C0 a, }5 ?" f
- }% }/ @1 p$ ]& P) [7 w* D
- Serial.setDebugOutput(false);; g, U. d o# |0 S% a
- }+ \6 _. j, v$ C, H
- yield();
; k. \6 c h$ \8 A - });
% ~* L. v7 h, U( S0 K- q' V# ?7 A - + A0 L0 P4 u2 N: ?
- digitalWrite(2,0);
4 Q( I9 F" M$ P' A' I" f8 e; f - mainAction();/ I# W" ^0 P8 O
- if (digitalRead(0)){
& O$ W \7 z& @5 Q: K% G - ESP.deepSleep(0);
0 [- n& B% a. }+ V& j# U0 T - } else {( V2 K1 t- v1 @, U7 M. U, [
- server.begin();, l& ~' c. Q; X) Y) m8 |5 \ R
- }( Y. ?1 Y( o6 p; E% t) |6 y( d' S
- }
1 ^8 }% G' Y/ D' s2 f' l B% ] - void loop() {* C% n: V/ x# G* I1 s5 {
- server.handleClient();# N* @0 m8 I; I2 {: O
- delay(1);; ~4 P) k" h! p9 y1 ^. a+ E
- }, l. b% l9 b# z, Q% n2 q
- String doGet(String url){
6 R- F9 a6 y- t$ u# X1 x3 C - if ((WiFiMulti.run() == WL_CONNECTED)) {
" i! N: e2 H6 ]0 o6 Z8 Z - HTTPClient http;
, k' ` {1 u' w: t% m- b4 y - Serial.println("[HTTP] begin...");
e8 M! ^) D3 g) Z* ~+ D, Q - if (url.startsWith("https")) {4 W+ [5 ^" `, H4 O$ i4 M
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38"); ]4 p$ E; d7 G4 S! t6 l S
- } else {
3 g' o6 l( h0 |6 i* V3 g# S( Q - http.begin(url);+ G3 ^; E4 w" z
- }% k) y4 A) K: Y d3 F4 k7 d) E
- Serial.println("[HTTP] GET...");. }+ P* s8 A0 }4 |6 u
- int httpCode = http.GET();
i* I/ ~7 ~9 i3 w - if (httpCode > 0) {
2 R; W" }% e- k! Z - Serial.printf("[HTTP] code: %d\n", httpCode);+ w; T( v) Z- s: B6 c
- if (httpCode == HTTP_CODE_OK) {$ m. O4 |% g; K4 E$ F* P
- String payload = http.getString();
6 Z- T4 z- i2 B' a3 ]$ L) E, Q - Serial.println(payload);
; c$ S: l6 \1 J0 i - Serial.print("\r\n");
2 Z# U, f- Y& x5 M+ i) F - return payload;
. d! S! r. C, P8 D - }# F$ c" N. c- ~4 H6 l
- } else {- A) B& ?5 T8 U# O# @
- Serial.printf("[HTTP] GET... failed, error: %s\n",
& @2 o7 Q! N# W) K7 O - http.errorToString(httpCode).c_str());
m$ h- y8 z _- m - }0 ]4 n5 Q# C, g. p8 E$ F& W. n
- http.end();4 a% p$ m5 L2 _7 Y5 y
- return "";/ r& n( p% b. \0 j; t( s9 {
- }3 k4 k7 r3 S/ ]. X0 Q' B# U
- }
) z; ^- @5 \( a3 d: i - void mainAction() {
! r \1 u$ }' o7 E/ g ` - // 发送请求 I) A% ?2 d9 C# V) R2 ?: H' e c; U
- doGet("http://google.cn");/ Z2 P8 z# F. F0 X9 U6 s% j$ J$ k6 Y
- }3 `9 `3 M; R6 D4 L& H1 e- M
复制代码 |
评分
-
查看全部评分
|