|
|
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)3 Z& o g' }- c) A
- #include <ESP8266HTTPClient.h>
( X5 ?( G7 N' N- K - #include <ESP8266WiFi.h>" N3 ~7 l3 ~) r6 Y
- #include <ESP8266WiFiMulti.h>
' k8 |# H( `! @+ _( c3 A - #include <ESP8266WebServer.h>8 `7 O( g5 c) f. B, i
- #include <arduino.h>9 x, v l& U8 d, D! d$ Q4 ]
- ESP8266WiFiMulti WiFiMulti;2 Q P7 G1 r. |1 O. h8 T
- ESP8266WebServer server(80);
$ Y7 Z/ I# O( o B - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
% L! ^0 H% N& l: B! e) N - ADC_MODE(ADC_VCC);
5 H: `$ i" W, M6 _: A - void setup() {! M1 {& u1 R7 U3 b* t
- Serial.begin(115200);
( |$ I+ H- V5 I' ~6 S3 g) B/ x - Serial.print("\r\n\n");
$ o/ U, Z! k: b! b - pinMode(2,OUTPUT);
$ P& j$ r: {( I, ^' G( |( O- f - // WIFI
7 q1 b9 X4 k0 Y8 c% y - WiFi.mode(WIFI_STA);& n3 x1 f2 H6 d
- WiFi.hostname("Sparkle");' i/ M+ B: R6 b. f* b+ c- D0 s
- WiFiMulti.addAP("wifi ssid", "wifi password");
8 |+ Z( k7 ]- b/ U' R0 h - int tryNum = 15;
0 t. A5 q8 J- h! E1 ?) O - Serial.print("Connect WiFi");! T* ^. V# f( r
- while (WiFiMulti.run() != WL_CONNECTED) {
0 _9 G2 Q2 j+ F+ t2 x* d" S - digitalWrite(2,0);* D, t7 _) L3 l- N$ Q. J) m
- delay(200);
5 T9 o, C* P; I$ k- c$ ^$ g' M - digitalWrite(2,1);+ c+ D( f+ e! S3 |( \% b
- delay(300);/ @( B* f5 Z- b/ R# v8 J
- Serial.print(".");/ f# Z0 i! c, K! O
- tryNum--;
( D% Q, A: c$ p( o8 o* N - if (tryNum == 0) {7 H" _1 I5 W3 W
- // 1min$ o& o0 z+ h+ _ v' [/ l0 ?
- // ESP.deepSleep(60e6);4 G) }# `! d& y8 d" y2 t; W
- ESP.deepSleep(0);/ J4 i6 Q, }1 V1 c/ C+ T/ x; s
- }% R0 a9 L% ~' [( ]
- }+ p z5 Q% W" F! P* K
- Serial.print("\r\n");9 a" z% ], d; s0 g4 V# v3 G
- digitalWrite(2,1);
7 w3 B: k5 t! [ R4 I" I - Serial.print("IP address : ");% c, n9 |; t# N8 Z6 x9 v
- Serial.println(WiFi.localIP());
, V" k/ V" _1 H. N$ k - server.on("/", HTTP_GET, [](){
# h' e# J _, E' r% E7 H - server.sendHeader("Connection", "close"); I, x$ F5 y' @6 j
- server.send(200, "text/html", serverIndex);
0 N- k" i6 W: t) @3 ~# v/ x% M - });
( d+ O# x. F8 p# e5 ^' b: l3 T - server.on("/update", HTTP_POST, [](){& p8 C( y5 _& f2 E* l
- server.sendHeader("Connection", "close");2 L: V+ z6 O( D2 V6 O0 x m+ n& @
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
0 V$ [9 N$ x9 C" D" h: ]4 d - ESP.restart();
, m7 u. o9 g' q" n& }7 p - },[](){
, V5 {( o+ s% L9 I7 {6 L - HTTPUpload& upload = server.upload();' {5 T% x) W x8 K
- if(upload.status == UPLOAD_FILE_START){5 V! D7 S/ l5 E# ]
- Serial.setDebugOutput(true);
8 G- l+ {, C( J/ A, i. J - Serial.printf("Update: %s\n", upload.filename.c_str());
9 Q( s5 B- b' A U4 ] - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
: o8 c9 F5 O3 T/ V% a - if(!Update.begin(maxSketchSpace)){
+ W& j* ]; _1 ?- L6 y0 P) q - Update.printError(Serial);
% {5 S2 E" V4 }, y4 H6 o! J, n' W - }
, c, g* e: n V9 w5 d7 } - } else if(upload.status == UPLOAD_FILE_WRITE){
6 E- g* Z+ m* F5 @ - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){& ?0 ]$ p# }% M7 `7 ?- v+ z$ r' W
- Update.printError(Serial);* S5 o+ v. ]" e- t7 z- Z' K+ y
- }
3 Z: W5 v0 f# p: @ - } else if(upload.status == UPLOAD_FILE_END){
) I0 _. a* y% Z+ ]8 d" i; ?, a1 P% K" Z - if(Update.end(true)){2 g+ I2 ?2 A% N' n- [: d% Y' g
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);$ x5 y1 i: U3 N2 B8 t
- } else {1 z! g) N' H' W8 @9 [ y0 G
- Update.printError(Serial);
: r r+ L2 w# A+ n - }
5 o' e! n9 X$ p; L* T1 Y - Serial.setDebugOutput(false);8 y1 V+ v6 b' s5 H8 A
- }
6 k& a; V( S3 r( V - yield();/ c; f1 O' |% h% H) F4 [
- });9 |+ Q8 p( ^$ H
-
, n$ O$ ^) Z2 W& c - digitalWrite(2,0);
& [3 ^6 K) R* X& b( Y - mainAction();
9 S3 ~* s" ~5 h - if (digitalRead(0)){+ C3 ?) c, [& | s0 B0 V7 v- p; Y
- ESP.deepSleep(0);: q7 w; p) Q5 v" Z5 s2 u9 O
- } else {
) L1 W: f8 E f% O - server.begin();0 f! j1 K, d( x* a% }# S& [4 v
- }2 k# }0 J$ ?/ T. V, b
- }* i' [# k; ]6 D/ v j$ B
- void loop() {2 m$ Z) L( H+ F$ g
- server.handleClient();
0 C5 G" n5 C+ e, o! `8 u* [ - delay(1);
; v0 V. q# C0 `0 R8 b - }8 ^# m# I6 B# z$ q, y% `+ J
- String doGet(String url){
: ]3 f# E3 j; A. { - if ((WiFiMulti.run() == WL_CONNECTED)) {, i4 }; A0 Z3 l* ~: A% u
- HTTPClient http;
" S) {# Z) C' K! j: {$ [9 b1 O - Serial.println("[HTTP] begin...");
P0 ?- ^% l) O - if (url.startsWith("https")) {
! ~3 `. f/ x$ l" Y - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
2 n3 J0 [( ~; L5 r$ k, X2 V - } else {9 W i! C- q, R( G0 e
- http.begin(url);
5 ^0 _( v+ E: b- T - }
@* B) s1 _$ t9 t- A- l% d - Serial.println("[HTTP] GET...");
' l5 S; X1 O' ?0 m' y; F - int httpCode = http.GET();
) ]/ ?! `9 D! n4 k8 o! A8 w - if (httpCode > 0) {
+ q6 o2 J' E9 Q6 w6 Z. { - Serial.printf("[HTTP] code: %d\n", httpCode);
! Q9 S8 @7 s- S; E+ [6 t - if (httpCode == HTTP_CODE_OK) {
6 U4 \4 l7 N* c' O, d( h# R1 t - String payload = http.getString();2 \" d/ K) _1 w- v* f2 o- W6 Z4 j; \
- Serial.println(payload);$ \7 I1 @: D1 C, f5 K7 n
- Serial.print("\r\n");
$ q) I7 f/ Q$ \( S2 R$ p - return payload;
7 A7 G8 c" r1 s& ^& x: b6 o - }
- ]) y- ^& d8 g8 [" O; j - } else {
& g+ i0 V5 D* R" \1 \; s - Serial.printf("[HTTP] GET... failed, error: %s\n",1 H; v7 y% ]6 b' Q
- http.errorToString(httpCode).c_str());( O& @ M5 z7 _! _ k
- }
* f! G5 {: R5 z4 V* @: R - http.end();4 O# y# V2 `2 W; R
- return "";$ p; [8 o8 X. t
- }
& N' p6 Z4 f# R# x9 o1 K% } - }
& @) l! d/ B+ S - void mainAction() {7 @% j$ b7 r d
- // 发送请求
' h1 ]* q/ L; k - doGet("http://google.cn");
1 e V& r2 Q% a* K* q4 C - }
% [) p( Q& c# X C
复制代码 |
评分
-
查看全部评分
|