|
|
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)
7 b& S' P5 {+ R- ~9 t$ P+ P/ W* A- ?- #include <ESP8266HTTPClient.h>
& E/ X0 C5 J' u0 I% c6 S, [ - #include <ESP8266WiFi.h># Q; i3 R2 D, x/ l/ s, E
- #include <ESP8266WiFiMulti.h>7 W) ]2 F4 Z6 q' m
- #include <ESP8266WebServer.h>" Y% `7 m8 F5 _. X( W- F8 \( Q& z5 g
- #include <arduino.h>
2 M, c: V4 A: w - ESP8266WiFiMulti WiFiMulti;6 R2 J9 r. d2 q2 B( W$ M
- ESP8266WebServer server(80);
; n; d8 u6 ]3 c" |4 b - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
# t! m) t* x* f4 E; n4 c - ADC_MODE(ADC_VCC);9 a- s3 C2 @& H# Q2 }
- void setup() {
7 ?8 [' `' X, @( k; O& M - Serial.begin(115200);# p5 B* v! n" t7 V3 o
- Serial.print("\r\n\n");
* X5 P6 J' b. L) v0 K6 O - pinMode(2,OUTPUT);
7 \; z7 f4 Z/ w# L - // WIFI3 Z, [+ Q& t5 L% E5 i! N% W" W
- WiFi.mode(WIFI_STA);/ ^% J) q& g" O. f8 s' ?( ]
- WiFi.hostname("Sparkle");
2 Z& n4 [6 c2 Q+ l4 Y4 @1 @7 X5 L - WiFiMulti.addAP("wifi ssid", "wifi password");; P8 w$ c% Y8 X0 `7 `
- int tryNum = 15;
# D) {: Y4 L7 r) f+ A - Serial.print("Connect WiFi");
$ O9 r) ?( R% Y2 B) l0 L+ E5 f - while (WiFiMulti.run() != WL_CONNECTED) {
2 `7 o% V# |8 e - digitalWrite(2,0);
0 H- y4 b# c" g* X% @0 U- r - delay(200);
# `- d. T$ R& V+ z) o. u - digitalWrite(2,1);
( d6 j9 r5 i( U z - delay(300);
5 d1 Z8 H% }, h: G - Serial.print(".");
; x' R" O# w. N5 C7 C7 R+ i+ ? w! P - tryNum--;
: B: O/ l' O* g$ O3 ^ - if (tryNum == 0) {
1 h! t% W, I' Y: a - // 1min! q0 T& h0 L9 \! D9 v' q( T0 Q% }
- // ESP.deepSleep(60e6);# _6 T# Q: h. e* ~' f' y
- ESP.deepSleep(0);
' l8 d$ X3 U! [. h( g6 b9 D - }
, R/ u2 Y' B# g" r F) `% p% e; A: h - }
/ [% n S% O) R4 n! a3 Q% W - Serial.print("\r\n");) n6 \# a7 x8 N) K
- digitalWrite(2,1);# B O: ~2 S9 _: h# \) I+ Y6 ~
- Serial.print("IP address : ");
# {- `$ E- V3 B - Serial.println(WiFi.localIP());
, J E& z$ G) R' o( Z - server.on("/", HTTP_GET, [](){6 L1 n# Q0 @# [% O$ K' p$ g0 q9 q
- server.sendHeader("Connection", "close");6 u* X6 K( c/ L
- server.send(200, "text/html", serverIndex);
8 V6 w; z* {* `. m3 ~' o - });
* X( R4 x' k M6 [7 a - server.on("/update", HTTP_POST, [](){2 V1 _ A& N+ W$ E
- server.sendHeader("Connection", "close");: @# r& n( W& N, k6 P
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
5 n Z0 e; l8 p+ ^ - ESP.restart();: Q S1 Q1 F' E* n+ Y+ i5 d- M6 p1 q/ C
- },[](){
) V: _- q" E* S* [1 ]' d. o7 q - HTTPUpload& upload = server.upload();* K( s. t; W) b+ a6 _3 A% K& r
- if(upload.status == UPLOAD_FILE_START){
7 c/ E6 I+ m# @& j - Serial.setDebugOutput(true);
( S, G& W; {9 C- h3 Q8 q P8 s& g - Serial.printf("Update: %s\n", upload.filename.c_str());' i5 n( S; `2 d0 Q4 a- k
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;0 ~* T/ u; ?6 ^& @
- if(!Update.begin(maxSketchSpace)){; ~3 ]5 J5 U( ^ Y% t
- Update.printError(Serial);+ r% g5 ]! V3 g0 \
- }
* \) j7 L7 i+ d" _' D: R8 T - } else if(upload.status == UPLOAD_FILE_WRITE){
# t/ i; y1 Z$ T3 E0 ?2 B" i" z - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
2 ]4 g9 d% U! T: D& U, |/ m - Update.printError(Serial);
/ J% b- u: i$ I# L4 }0 Y# ` - }
' ^2 q3 |/ E7 `% Q* E - } else if(upload.status == UPLOAD_FILE_END){
: |! \$ g8 t1 S m! L5 ?2 L; M8 } - if(Update.end(true)){
/ f. [/ Y9 Y& p9 A E - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);; {9 P. K5 V$ }( T N. R* w3 I
- } else {
9 k' ?& O2 A$ [6 U( Q7 x - Update.printError(Serial);5 U" j2 `1 L- b: g" L8 X& F2 v: S
- }
9 e K" c& s% U' i" ]. j - Serial.setDebugOutput(false);
$ l8 M" o* z5 `: { - }5 k) J3 u6 Z& s
- yield();
; ^2 \9 i# p- W- |% y - });! d4 h3 S+ g% P! {
-
% X3 J7 g* H' d8 n2 N - digitalWrite(2,0);. l( Q' U9 I8 V( Z7 p
- mainAction();
/ h6 o' T8 ~. y - if (digitalRead(0)){
5 a h+ U9 y6 }0 g1 b - ESP.deepSleep(0);+ f. P0 ` H, _' n
- } else {
$ e8 S4 b- }, U - server.begin();
1 o9 l$ v& S; x4 ?" m- J' ` - }1 h/ A2 ^5 n" c) ]
- }0 s" A% i" g7 [% H; F, s
- void loop() {% i, n7 @: \) ?. q, @( o8 n% A# @8 a
- server.handleClient();
& h. g- H9 e5 a( i' j - delay(1);' C6 Z# {7 o a" x) H* o
- }. ]! ]4 Z1 W: a$ ^" Y, c& n
- String doGet(String url){; d8 f2 |. l- T2 l, r* `; A
- if ((WiFiMulti.run() == WL_CONNECTED)) {
0 E2 N/ o4 L( P7 n) p+ q: B4 f - HTTPClient http;
8 S7 [8 O; J4 d8 N- y0 K - Serial.println("[HTTP] begin...");
$ b: P9 B3 r4 B - if (url.startsWith("https")) {
4 l; n# m) d, \. k - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");$ s! {6 P! J& a& W
- } else {
2 A8 F3 R. n! n1 Q4 _7 j* k$ g - http.begin(url);
' v& @/ z- u/ f - }! @; q; J0 b/ E: m( P( [
- Serial.println("[HTTP] GET...");$ D Q6 j& s4 b4 _
- int httpCode = http.GET();* I( X9 L; S1 X) K
- if (httpCode > 0) {
) c7 x: T" U/ B3 p5 q - Serial.printf("[HTTP] code: %d\n", httpCode);
* ^: M9 e7 U5 v" R - if (httpCode == HTTP_CODE_OK) {# V9 F. j7 k+ [) A
- String payload = http.getString();( K& Y. M @" V/ c& h
- Serial.println(payload);
/ U9 K6 I- v1 a# @& o - Serial.print("\r\n");
1 J' y1 U* q- @ - return payload;' s0 S* o; x/ g" }/ M) t
- }
$ G4 ]( v5 {; z( A+ y - } else {% Z+ L3 T0 q8 \/ h% W2 ^
- Serial.printf("[HTTP] GET... failed, error: %s\n",
8 U7 f8 F7 E! {- h6 X/ i - http.errorToString(httpCode).c_str());, A- W7 E% B& n/ \. a5 k" l3 _
- }" N% P* }9 v" s& B- r$ n- ~: b
- http.end();$ ~. ]6 X0 ?' h8 a8 n. s% @
- return "";* d: E v! C# U2 c0 p N! Q1 s
- }! O5 \4 V2 V) w) s- e0 w
- }$ H7 W. D3 k! V2 w1 v, g
- void mainAction() {7 N6 y& C1 Z7 t: {& [5 H1 _. z
- // 发送请求
' s0 p0 I7 @$ J U6 R7 H7 @ - doGet("http://google.cn");
7 b! ~5 m0 y; h4 ]* } - }2 B" y2 Z+ k) o( h
复制代码 |
评分
-
查看全部评分
|