|
|
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)
- ~/ J. ^, X, n! q- #include <ESP8266HTTPClient.h>7 y0 ~0 {2 Z, i1 a) o
- #include <ESP8266WiFi.h>. O) w6 ^, P% O# a
- #include <ESP8266WiFiMulti.h>
, C+ j- A; y2 c- k1 I2 y$ z) D+ U - #include <ESP8266WebServer.h>
- Q+ k# i( r- a - #include <arduino.h>
1 l5 `& R5 {5 m' v+ a; K - ESP8266WiFiMulti WiFiMulti;; B" o& C' J9 a+ R w8 m
- ESP8266WebServer server(80);; h8 G& l* A6 O8 \- M5 K
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
/ C% L; z* R1 p' `$ H- `! { - ADC_MODE(ADC_VCC);
& Q/ F: c5 q' j) z' q( ~ - void setup() { b8 H. N- C- K) P! S. {+ s: b3 N
- Serial.begin(115200);
, B8 D- [, a+ g8 g* Q - Serial.print("\r\n\n");! l. q6 K) k& A0 R" X3 g8 Q: C" f
- pinMode(2,OUTPUT);' o8 w. P6 Z" a1 q! C
- // WIFI8 [" ?4 A4 ^7 a- f4 r
- WiFi.mode(WIFI_STA);) H+ g+ T. Z( b/ v0 v3 F
- WiFi.hostname("Sparkle");* [3 i- o& N8 ^7 o7 J0 ]
- WiFiMulti.addAP("wifi ssid", "wifi password");
" O, }& Q1 K) n/ D( Z1 [ - int tryNum = 15;
$ @; T$ }+ K7 E# M5 P; |3 S - Serial.print("Connect WiFi");
A# h7 ?9 c* R, |" x% p* M - while (WiFiMulti.run() != WL_CONNECTED) {
% e7 O5 \, Y* R, k- A - digitalWrite(2,0);
- ]& v" k+ \: B7 J: P% q2 x - delay(200);# @& U) Q1 \3 B
- digitalWrite(2,1);
5 S2 Z' z9 O# Q* b7 v, t - delay(300);. `8 u) s' n% l8 H
- Serial.print(".");( k. G: P+ R7 D4 E3 Y1 w/ Z4 O
- tryNum--;2 ~. [6 o- T. S+ F. u( j G
- if (tryNum == 0) {
3 {2 i9 \5 n8 J, N! i4 ~8 S5 | - // 1min
2 X" I2 \; _* Z+ g: d - // ESP.deepSleep(60e6);
; m& L8 Y2 b* I - ESP.deepSleep(0);
G! E( M1 _$ f& ^7 O$ g8 D - }% i K4 z" q& w2 s) p0 S8 p J
- }- `% i6 i- G0 ^" {) `8 l l8 u
- Serial.print("\r\n");
, c. v& @' N* {( G3 i' X% f4 W+ V' ]+ R - digitalWrite(2,1);) N8 l1 p7 V4 t
- Serial.print("IP address : ");* `: e: b2 z; S0 P& _: w9 o
- Serial.println(WiFi.localIP());
, _9 B1 I) |3 J6 K4 K ~! w - server.on("/", HTTP_GET, [](){
1 u7 y' [1 q5 Q e8 s7 b - server.sendHeader("Connection", "close");
! O5 r# ~, t& G1 n( z1 V - server.send(200, "text/html", serverIndex);4 u- I$ A* V1 l: k0 ?% q7 B
- });
5 W- o6 _ U3 E1 C - server.on("/update", HTTP_POST, [](){4 K5 @! e3 O" c* b( ?# O
- server.sendHeader("Connection", "close");
% U) \4 O- F9 [9 Y' `! i - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK"); y$ S; O9 w+ v- P2 }6 e. u/ o
- ESP.restart();( m4 K V0 u) L2 r$ s6 d' S: V
- },[](){
1 P5 P" P F; ? - HTTPUpload& upload = server.upload();3 q& ?% Z; p; h) A$ T0 C
- if(upload.status == UPLOAD_FILE_START){5 g- _* b9 o; u- {
- Serial.setDebugOutput(true);, Q6 i# x# D9 b. X
- Serial.printf("Update: %s\n", upload.filename.c_str());( M$ d9 V' u- B# e6 V
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;; [5 b. N' z+ R4 X$ c1 y
- if(!Update.begin(maxSketchSpace)){
5 b! L8 N7 {6 D: Y1 ?$ j - Update.printError(Serial);
4 y9 H i" j4 y; m: f9 j* d: \ - }
* R6 U. s$ ^5 ]: S5 d - } else if(upload.status == UPLOAD_FILE_WRITE){. [- @: Q$ u1 ?7 v) d
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){; e0 _4 _4 L" I3 C) D3 B- Z! b
- Update.printError(Serial);
! P" E( G" J3 Z - }
* x9 m# y( s5 V# F6 T; _) ?! h - } else if(upload.status == UPLOAD_FILE_END){- J6 a9 j, j% y _% M/ K8 U$ U0 M
- if(Update.end(true)){- _! ?$ E% a, g" K
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);6 O4 i4 c5 ~) Y" A+ p
- } else {: P. E, g- y3 r
- Update.printError(Serial);
3 _& U9 B: F8 s. R7 H0 l0 B - }
2 ~/ B0 Z! T/ |4 A* g, B3 f2 f - Serial.setDebugOutput(false);
X2 i/ z3 H, v: o/ a - }, B2 J$ e6 B. t, M$ S- [
- yield();: ]3 V L8 I: f3 n3 V: k: x
- });
" K3 u; s X$ a T9 |1 @ - $ W) a3 ^: S* ~, y" z
- digitalWrite(2,0);
# G- [0 X, I- W - mainAction();
! B+ `3 Q8 K) _+ O" V - if (digitalRead(0)){; c# P" g! Y. `8 `# X9 @* ]
- ESP.deepSleep(0);
5 {' }; |- T( ` - } else {0 `3 ~) r }% g2 x
- server.begin();# Q: c+ t6 Y# U+ a/ d8 b7 S
- }7 l, k! j" n+ n$ [8 [' E }
- }* O( K3 y6 I; z& P
- void loop() {
5 z' M4 f8 O& ~ - server.handleClient();
! d+ Q3 f9 G1 K& k& q! Z6 Q O - delay(1);
6 X2 ~: _" R3 C& l9 ], @ - } I& n9 i" c [" [) p" y
- String doGet(String url){5 ^. P6 ^: Y% l6 T, M2 a
- if ((WiFiMulti.run() == WL_CONNECTED)) {
. P# ], h, O7 m - HTTPClient http;
3 ?5 {4 U, W; P q - Serial.println("[HTTP] begin...");
8 {; T6 @0 G/ Y5 U) A8 ?* E+ W5 ^ - if (url.startsWith("https")) {
! I8 |- f4 e2 A% R" Y& U - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
5 W9 m. B; V, P& r - } else {
: K4 K8 c- y! j9 e K3 V* ?# u3 j - http.begin(url);
2 v" q* _& k/ X/ _: P* }7 R - }
6 K6 h6 K7 `4 {* m- h: @ - Serial.println("[HTTP] GET...");
7 j" o% B3 l& w- G - int httpCode = http.GET();% x- ^% y9 @$ M0 r. o0 j
- if (httpCode > 0) {
8 f7 g& J. L; A' }" v' C - Serial.printf("[HTTP] code: %d\n", httpCode);2 r- q# x+ \' P; |4 s, A
- if (httpCode == HTTP_CODE_OK) {
1 h" ?& }& y, B j+ W- X - String payload = http.getString();
8 k1 c/ B: S4 b$ h8 z( c! ?$ q - Serial.println(payload);, I- r: g: |+ P- x2 k3 a
- Serial.print("\r\n");
4 e8 R9 M ^- O - return payload;
8 A8 D( k: W+ g3 |( z - }
+ `& ~5 A# _3 I8 s9 u7 n- _& H+ ^ - } else {
7 }6 v( u1 I/ H' a6 z7 n2 l - Serial.printf("[HTTP] GET... failed, error: %s\n",4 B6 @ x; Z' `1 D) t9 F
- http.errorToString(httpCode).c_str());
5 D8 X, ` d8 [) j; ?( K- h - }
2 o7 |. X+ p" y2 e - http.end();5 N! W1 C. b: A
- return "";; Z. b9 B, y# H0 ~" D+ f
- }1 q6 e' B6 j$ M! W9 E2 p! H' _; g
- }3 @6 \$ g9 f2 @: F9 k8 l/ ~6 k
- void mainAction() {
/ U6 e/ k4 ?* ^: b! d3 b* I3 V# b - // 发送请求
: J c( \0 f) E; }: T4 D - doGet("http://google.cn");/ h& x$ V1 U' i8 J. y
- }
5 m6 k0 l& j# j
复制代码 |
评分
-
查看全部评分
|