|
|
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)
5 [1 i+ g+ {0 l w. |, j- #include <ESP8266HTTPClient.h>2 o8 Q( b" h0 a3 `8 }
- #include <ESP8266WiFi.h>
: z# `. Q" p! k8 V! A. i - #include <ESP8266WiFiMulti.h>
' Y2 ?# A, T$ E8 W: C+ Q/ b9 H - #include <ESP8266WebServer.h>
! R* `' m; b. v* | F( Q - #include <arduino.h>
' s2 x8 |5 Q# L/ p/ S1 @ o - ESP8266WiFiMulti WiFiMulti;2 Q# q$ v: c+ l9 b; D- j: w
- ESP8266WebServer server(80);$ M: E4 d$ x N1 L; v& g
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
. R1 O4 d" l, s- {, }1 L - ADC_MODE(ADC_VCC);
! o! S, K1 c: H) ?( X5 R6 n - void setup() {4 |0 }( S) b: O( O1 D
- Serial.begin(115200);
, t9 T% Q0 s9 U. S( ^8 E0 v; J - Serial.print("\r\n\n");" X0 ?0 G) N6 ~
- pinMode(2,OUTPUT);# r+ v$ B/ N7 r! {
- // WIFI0 ~0 a9 `9 v" w
- WiFi.mode(WIFI_STA);
" }% w6 q, l% e3 ] q" k - WiFi.hostname("Sparkle");: |( m3 r0 p/ d/ \' ^1 f" _
- WiFiMulti.addAP("wifi ssid", "wifi password");1 n7 r/ a" z6 I# P, W0 E8 Q$ X1 V
- int tryNum = 15;
0 K& x2 ]& o0 Y# y - Serial.print("Connect WiFi");4 K2 H; Z' O' q4 ~' Z0 W( m4 F
- while (WiFiMulti.run() != WL_CONNECTED) {
& X1 ?, V5 v% I7 W1 u2 b7 O+ u - digitalWrite(2,0);7 `% ^1 f8 v8 k+ l+ w7 h
- delay(200);0 L7 [& x' A. T& q& ~
- digitalWrite(2,1);
: [3 D, D5 W2 o& d* j0 h. s - delay(300);1 ] l, {/ W' | K% V/ l! f
- Serial.print(".");
% L! H' |# b" e0 h: U; D - tryNum--;
9 N" I W% d, E/ d7 A3 m - if (tryNum == 0) {+ f' @8 a8 f0 }! ~3 D7 h0 x: ]
- // 1min
* c0 n& @9 m/ N2 Y/ j' X - // ESP.deepSleep(60e6);
: Q- l/ h) \! l - ESP.deepSleep(0);
$ L3 Y: r- ~" F, ^7 p! ^ - }- E4 d7 a W" \" @$ G4 u: F) z
- }
" i7 u# q' z& n' O$ M - Serial.print("\r\n");
* I. N0 n: c1 d1 P - digitalWrite(2,1);- q" D! k; k$ P7 W6 x
- Serial.print("IP address : ");# c/ ^! v4 |7 {. E5 Q
- Serial.println(WiFi.localIP());
* v1 q, n- i' k+ X- ~ - server.on("/", HTTP_GET, [](){3 i1 Z) u# T" G
- server.sendHeader("Connection", "close");$ a) X/ ^% u1 q# }) Q: D+ X3 b
- server.send(200, "text/html", serverIndex);+ w# z3 _; ^1 z( a/ O
- });
$ k4 f, _' ^9 a0 T - server.on("/update", HTTP_POST, [](){
( P$ {% ~; m; P! l, n - server.sendHeader("Connection", "close");
5 w: z3 I* D$ f3 U3 U ~4 ]4 X - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");& X$ q2 _7 z. r) r+ g% M" p2 h
- ESP.restart();1 `2 u# h. h. ?/ X' \
- },[](){
2 ^, e7 L9 M% [) i& ?/ | - HTTPUpload& upload = server.upload();
6 [/ [; \5 m* ^2 \ - if(upload.status == UPLOAD_FILE_START){
9 g' _3 A4 T' o - Serial.setDebugOutput(true);4 A+ Z# \& `' n- L
- Serial.printf("Update: %s\n", upload.filename.c_str());
: {1 Y" Z! ]0 |9 m3 [ - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
: Q0 _. R' k% |; W7 p5 O) ~ C/ p - if(!Update.begin(maxSketchSpace)){
$ h l& m6 t7 x; B0 p- h& ^ - Update.printError(Serial);
$ `) A! P% v+ d; `3 @ - }6 f$ l- E4 |7 {; Y3 [
- } else if(upload.status == UPLOAD_FILE_WRITE){
0 z; b ~3 l! c5 u! |1 j$ e9 A2 T - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){( j' Q7 x. r! U
- Update.printError(Serial);
4 {6 j/ T/ G7 b$ p - }
9 o6 C- h3 ?/ |% ~/ l/ ]8 i, ] - } else if(upload.status == UPLOAD_FILE_END){
9 M- _5 h& e$ {, @" j' w3 ] - if(Update.end(true)){: }3 C$ l! w& {8 ~, @
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);6 O& c3 Y9 h* }& E/ {
- } else {
- v" D4 }4 s% D3 S$ A6 W - Update.printError(Serial);
# r. @- X, P" z - }
5 y3 A) N# h* } - Serial.setDebugOutput(false);
" a; y' ]0 l D! E: J - }
: w7 d e# t; h9 h/ f% l& c' m p5 {# E - yield();' X' Q( I/ P) N5 G, J( F+ a2 A; Z( ?" l
- });* L$ F3 i7 n. |/ F$ }
-
+ s+ d% {/ {) | - digitalWrite(2,0);4 h% `4 M: \% Q
- mainAction();9 w9 L1 k( O& V* I3 n; ?- |& U
- if (digitalRead(0)){, |- D9 |& N( C' b9 q' \% Z
- ESP.deepSleep(0);$ D* H l* m) [0 N
- } else {
, f/ {4 T5 v( i O3 t; e3 u4 [% o7 e - server.begin();% @) H/ D" ^8 X" S5 F9 _
- }
2 Z( m( t$ E% h4 s0 \" f - }
% y+ X' _4 n$ \) O4 } - void loop() {, j. E6 c3 U; m$ Q, P
- server.handleClient();
6 o: E; p& j- ]) u9 N - delay(1);
4 W V7 A- m: Y- k- r6 | - }- `: I. \+ c4 b" @" U% J
- String doGet(String url){
. U" J T# v; \4 e* w - if ((WiFiMulti.run() == WL_CONNECTED)) {
( s' F0 l! Q/ Z9 @ - HTTPClient http;
3 V" z7 b' ^) e) \ L/ S( d - Serial.println("[HTTP] begin...");
, t. L% e* Q' v: f - if (url.startsWith("https")) {5 O) O7 }! i, z$ j
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");! L/ b5 H( ^! z0 f5 T
- } else {
: B5 P( U) v( Z$ u! f c) Q0 U0 U8 F - http.begin(url);
: b0 d: c/ y8 D- f - }
. M+ g8 b( Q, U% h7 E6 B, e - Serial.println("[HTTP] GET...");) D# k' l4 _2 V* @6 j! ^: u
- int httpCode = http.GET();
1 {8 x! t) F4 A: p - if (httpCode > 0) {% M5 ]3 v6 t8 e! f+ k" s# ]
- Serial.printf("[HTTP] code: %d\n", httpCode);
5 E7 B1 x) D( s+ x; F r - if (httpCode == HTTP_CODE_OK) {+ D" I' Y! C( e( ?
- String payload = http.getString();" B4 l V3 ~0 W
- Serial.println(payload);' q# S) {0 Y* c9 z7 ~
- Serial.print("\r\n");2 t5 v0 k8 |, Z2 L0 k
- return payload;
4 n E7 \2 ^" ?! W7 } - }
) M6 a |' H6 B9 l: w7 ~ - } else {
2 D) y6 M4 _. X! k" c4 s7 w6 A - Serial.printf("[HTTP] GET... failed, error: %s\n",* g& x }" u6 i/ e1 ?; ?0 n) e, f
- http.errorToString(httpCode).c_str());' V, K: F4 y: A. j: Z
- }7 ~& [8 X2 M, t% e$ z' o" K% p1 [% V
- http.end();+ ^+ v7 F( B/ c1 I8 q
- return "";
. Q2 J' v$ s# x - }" [% r* g% L0 n
- }! J; B. B4 n: X* V6 L
- void mainAction() {
; s- C9 K) N' h F - // 发送请求5 _* ]% S' ?" V) k: S& ?& c2 E; L" I' c
- doGet("http://google.cn");
7 _' o% W7 \4 A$ O+ c0 F) c - }: }* I, ]& `1 W0 q* l" n& G
复制代码 |
评分
-
查看全部评分
|