|
|
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& z! _0 C8 [, L* s
- #include <ESP8266HTTPClient.h>( x0 D, p9 q9 F z) E
- #include <ESP8266WiFi.h>& J$ Q- a* M# o- k
- #include <ESP8266WiFiMulti.h>$ O" T4 \4 v% \
- #include <ESP8266WebServer.h>
/ p' D5 i9 s' R7 ?7 I4 a - #include <arduino.h>0 l& a& D& f3 m
- ESP8266WiFiMulti WiFiMulti;+ H. R) v) D% H9 W
- ESP8266WebServer server(80);
3 e6 m& e6 _2 w5 F4 d - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
+ N" n5 y4 U& y3 w- ^ - ADC_MODE(ADC_VCC);1 L7 K1 |$ Z; Q7 |* ?
- void setup() {
( U7 `: N Z0 C7 v8 ?: j1 ?; K; e - Serial.begin(115200);
0 x# `' J" j# k* Q, c$ ]4 j+ S - Serial.print("\r\n\n");, z) Y! D2 h( s4 f0 E
- pinMode(2,OUTPUT);7 S" y; z* p5 Z1 d% S5 h
- // WIFI( a4 m: p) G H+ G" [
- WiFi.mode(WIFI_STA);* `7 Q, A, E% O8 I5 |2 Z# U' X
- WiFi.hostname("Sparkle");
3 K, V; Z$ y1 C; m' Y3 E - WiFiMulti.addAP("wifi ssid", "wifi password");. r% X: f. ^4 d$ j0 c7 u4 S6 E
- int tryNum = 15;
. S, n+ U+ U4 E5 R& }2 @/ J - Serial.print("Connect WiFi"); v" P1 U; j. C8 h2 L4 ?
- while (WiFiMulti.run() != WL_CONNECTED) {
! P( l& s8 H% ]7 H% F - digitalWrite(2,0);" n( c* X! e& D% o4 _. X
- delay(200);3 Q5 p! @8 b( ~/ S. |
- digitalWrite(2,1);' Z# s; v- k- T( ~7 H2 [
- delay(300);# S' A/ j& ]: u
- Serial.print(".");
H8 k- f1 E& F, t - tryNum--;
8 o4 e+ L0 _. R% U% y2 p - if (tryNum == 0) {
, T2 ]6 _( y" ?3 }! Q6 K - // 1min* N5 Z$ _$ h; s- a
- // ESP.deepSleep(60e6);
2 O$ {# y& X% r s - ESP.deepSleep(0);
( Y( @2 q: J3 {, f' |' y* f! ` - }
; c9 k# S+ q; g& E j4 H - }
9 M* w" e& o9 Y; a {5 f - Serial.print("\r\n");4 d4 n$ }$ y r* [ t, \
- digitalWrite(2,1);
5 ~, q4 T* `! f$ [ - Serial.print("IP address : ");$ j: ]" o* F7 m' d
- Serial.println(WiFi.localIP());+ `$ L* r" l1 g8 ~! _$ \
- server.on("/", HTTP_GET, [](){
: o9 I4 m3 K+ I1 }; U+ ?8 i9 f4 g' Z7 q - server.sendHeader("Connection", "close");* N6 T) N7 M$ u5 I/ i
- server.send(200, "text/html", serverIndex);
% l; l; v" y/ r6 T( |' R - });
, d8 U0 F" R9 D: i) j. }- z - server.on("/update", HTTP_POST, [](){
) G: I+ y/ h+ p. x* Q; l; y - server.sendHeader("Connection", "close");4 ^# `- I) ~2 {$ \& d
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");9 Z# x( _ l. h$ \
- ESP.restart();
, T4 p" B) g: y! K! } - },[](){
# @7 n }' t* v3 Z - HTTPUpload& upload = server.upload();0 v8 j+ r6 Y: R
- if(upload.status == UPLOAD_FILE_START){
) S9 | J" x: E; X" O' p+ x6 `$ } - Serial.setDebugOutput(true);
4 B$ m( I* T8 f- y, T9 g' t - Serial.printf("Update: %s\n", upload.filename.c_str());
# O8 ?. l0 @3 s8 h( _* ?% P0 g - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
# N+ G3 F" N4 s8 p+ b& N0 D L - if(!Update.begin(maxSketchSpace)){7 `6 G2 n$ D& U: ^$ N6 v0 v/ D) {6 v
- Update.printError(Serial);
0 l+ J5 K0 D" _8 Y - }
0 }* C( O1 w. q- G& @( @8 z& r- L - } else if(upload.status == UPLOAD_FILE_WRITE){0 o5 k( ~7 P4 l) ?
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){/ V, @0 @& M( E/ P* A
- Update.printError(Serial);
) W0 ]; U# p7 N) V7 i& E - }: ~* f( n4 F; K" w8 f
- } else if(upload.status == UPLOAD_FILE_END){
, `: J j$ X0 g5 O3 {4 W i - if(Update.end(true)){( J5 c4 i3 `8 n: y' o) P5 j3 u
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
2 M N& m1 L$ ^0 p0 _! `$ U - } else {
: I: k2 n4 s$ [/ U% s1 x/ \3 n" u Y - Update.printError(Serial);1 S. Y" V+ w7 X' s2 M) j
- }. _- s! O1 e8 o1 @% c( r( ~
- Serial.setDebugOutput(false);. w3 e- k) O+ Y" R2 T& c/ t
- }
. l4 b! x4 t7 t7 Y) g - yield();
, @2 D3 ~5 _: j - });: d7 s Y$ p8 H# B+ ]+ {' M& P
- * O5 ^ ~. U* c' e# s
- digitalWrite(2,0);6 H( N" {+ C8 C* l
- mainAction();: v5 `7 M6 M; \3 ^7 @& `$ G+ S1 U
- if (digitalRead(0)){
) N- c ~3 w" N: K" H - ESP.deepSleep(0);
$ v1 r$ Q3 K9 x4 p. l - } else {' l: |1 C: w& u: c
- server.begin();: d0 k! m/ u+ Y, w' ]6 r, v) D& V
- }
% [2 e: D* z* Z' z - }$ C: S2 R7 z1 ?3 x. ~ _
- void loop() {
[: D9 E, C; E. O+ i& O4 K1 [ - server.handleClient();5 x( L6 j2 t3 [1 W) x
- delay(1);6 A6 o+ v. V4 |" T
- }
6 v9 A. K; v; j( ?: ^0 F$ ^7 F - String doGet(String url){
* l/ ]( p/ T. O. u, g - if ((WiFiMulti.run() == WL_CONNECTED)) { J+ @; A; `1 J# p3 e
- HTTPClient http;
0 w! ^6 M9 U0 c. s - Serial.println("[HTTP] begin...");, y& |$ i4 G. j* V: q5 t
- if (url.startsWith("https")) {
! [; h' W# _. W% b5 j - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
- G \2 D: N+ ]6 [ - } else {
% B# a% y& d9 A: e n b - http.begin(url);
6 N7 T( u3 v- y5 b- ^" s9 h$ J' D - }
: A+ S8 ^4 \: `; e - Serial.println("[HTTP] GET...");8 F% O( y5 q. b- J% r8 i1 u
- int httpCode = http.GET();1 y& W8 ~: U: z& K- y2 s9 Q
- if (httpCode > 0) {* `2 R7 L1 ]5 Y% Z$ o2 t% l9 H
- Serial.printf("[HTTP] code: %d\n", httpCode);8 U6 n: ]; B! c o
- if (httpCode == HTTP_CODE_OK) {
# h7 D0 |9 T& G( R5 p& p B - String payload = http.getString();" _& q8 A, R3 @5 [7 u2 M8 a( I+ R
- Serial.println(payload);
! ^# K2 ?3 \. H6 Z" d - Serial.print("\r\n");& x8 i" P8 p Z6 _9 w+ H
- return payload;
. ~ \8 o1 t/ V8 ^% r - }
- S9 g: o; s0 m) Y" M - } else {, |1 j' z+ y1 C0 T$ f- b
- Serial.printf("[HTTP] GET... failed, error: %s\n",
9 P5 M3 c% Z5 X - http.errorToString(httpCode).c_str());8 e- S! T$ N+ g% i
- }
- k J" o5 X n: Q, R - http.end();. z- S1 s9 ?8 {$ f+ e7 g
- return "";4 x% C! {7 J4 R( \( l% Q1 F& [
- }
5 y" `8 G/ X' o* x( E% K5 N - }
% P1 }- n( I- O1 n; \( a+ o - void mainAction() {
S! L& q, f4 k! ~" ?; g - // 发送请求
& {3 y& A/ j) F' F8 f {5 U& I - doGet("http://google.cn");4 l8 ~4 @. `& g" S
- }3 b( D% q( s2 g) s) j$ [( e6 _
复制代码 |
评分
-
查看全部评分
|