|
|
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)
% M+ o4 U7 ?: P( t* B* s- #include <ESP8266HTTPClient.h>
; b5 \4 f2 R8 M3 W - #include <ESP8266WiFi.h>
; \- y5 X( [' p4 ]0 b# y - #include <ESP8266WiFiMulti.h>
" N9 z5 d4 w$ _ - #include <ESP8266WebServer.h>) a+ g7 Y* }/ q2 g7 u% Y2 I
- #include <arduino.h>
3 y% }$ H. N' A$ `% z' Q9 s7 }* b - ESP8266WiFiMulti WiFiMulti;
) z2 m ?5 A' F8 n! J# w3 ^# Y& s( g - ESP8266WebServer server(80);2 h2 R5 T9 J* y+ O, n
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
9 g6 V A) A3 M5 b8 R% {2 W( I/ y - ADC_MODE(ADC_VCC);
0 d0 @& M8 ^" \: t/ G+ P - void setup() {
; H2 t _- U; O& ^; i8 g9 Z! M - Serial.begin(115200);
/ R: m u* Q$ H, ^- P - Serial.print("\r\n\n");$ b% d* L. u/ z! C$ z
- pinMode(2,OUTPUT);' a, _7 _! c% F7 f9 q) w
- // WIFI: N* ~7 q# c/ V, n
- WiFi.mode(WIFI_STA);0 _% s) C& J! u. R/ C c# x9 t
- WiFi.hostname("Sparkle");3 Q4 N6 b7 L+ M! r7 e% }7 `
- WiFiMulti.addAP("wifi ssid", "wifi password");
: B, R. O' M8 a3 u% O0 K! h. z - int tryNum = 15;
3 Y; {1 ]7 C5 p - Serial.print("Connect WiFi");% F/ Y7 O% A9 f0 r0 u2 h7 O
- while (WiFiMulti.run() != WL_CONNECTED) {# F, F' Z, e/ @0 l) j* t. i
- digitalWrite(2,0);& |, D8 ~ j" M4 ?: `3 [
- delay(200);9 @3 I6 T5 L* h0 R
- digitalWrite(2,1);
, R0 S+ J# X# E1 c5 | - delay(300);; G. }" G! ]5 ^! m& n& f% O4 j& k
- Serial.print(".");+ d1 d( W# f/ ~2 c1 g1 G( H
- tryNum--;
( g4 m8 L. F0 F" {$ q - if (tryNum == 0) {
( s9 u2 N& l0 T3 R8 P2 |! q1 J U - // 1min
* A& M% w. P3 p: c( Y - // ESP.deepSleep(60e6);1 s2 l# \# P8 V3 \5 l. P
- ESP.deepSleep(0);# q2 f+ R+ g! i4 o0 P; E
- }
4 U+ k1 E6 c' n1 k# } - }
1 k' Z4 ?3 ^4 @9 j1 J+ g5 w - Serial.print("\r\n");
, [: K9 I }7 i% Q/ T; ~9 v - digitalWrite(2,1);" u3 q( T. E$ A; r
- Serial.print("IP address : ");
( j) E' m- W0 _: d& P - Serial.println(WiFi.localIP());1 `* r. e8 W/ x- X* e# ?
- server.on("/", HTTP_GET, [](){# w* O! X- U2 x1 Z/ |) V) o
- server.sendHeader("Connection", "close");
1 K5 T2 ?, b7 E" [ - server.send(200, "text/html", serverIndex);- Q# Z4 U7 r- n6 a! X3 g
- });: ~/ E& S: L( H7 y( `5 f& c ^
- server.on("/update", HTTP_POST, [](){
9 w+ f9 E6 _3 M1 {. A9 r8 c; B& V - server.sendHeader("Connection", "close");
; j# B, ~# W' ?* c! W- v - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");2 {6 }9 X; [7 I/ f" o
- ESP.restart();5 I# L5 h5 u! ^. `% Q0 T
- },[](){
A; s% f9 g7 X1 q; c - HTTPUpload& upload = server.upload();0 H7 G& H+ L7 u, ]
- if(upload.status == UPLOAD_FILE_START){+ C1 w4 _' e% J7 [2 C7 a
- Serial.setDebugOutput(true);( Q+ S/ O. O5 q8 X- l) ]: q* E
- Serial.printf("Update: %s\n", upload.filename.c_str());
' l9 e5 S% B7 t - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;! {) K+ V" t' l$ Y8 r
- if(!Update.begin(maxSketchSpace)){
6 M" J% C1 L, f- i& E - Update.printError(Serial);' ]2 v# b. @, a) A7 x
- }# N. j R @8 Z7 q9 \
- } else if(upload.status == UPLOAD_FILE_WRITE){
1 l( w& \: \: k4 n1 Y4 X - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
8 |1 e3 f6 S! h, n/ | - Update.printError(Serial);
e$ }! E0 G {0 v( d$ Q - }$ M1 f) u: o9 q( U8 N u: M3 A3 u
- } else if(upload.status == UPLOAD_FILE_END){
* E: |: Q, J7 o! i$ ]/ }% p" _$ `; Q! F - if(Update.end(true)){
! ?( o2 G2 f3 [1 o! } - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);! ]; A# F' J2 y( s: w" ]0 M
- } else {: b2 O$ }% S! S' u/ s$ Q
- Update.printError(Serial);
- h6 v) j' G8 j; l# f, N+ ` - } M9 l3 G. ^& ~0 g) c
- Serial.setDebugOutput(false);
7 s) I: n3 s( h( o: b) N8 _3 S - }
& S. H1 n/ T! Y - yield();
# g+ j" @1 w* G( a - });
" e3 ?" r% Z5 e- t - 0 f* b h% B |1 R0 F8 `' n
- digitalWrite(2,0);' w4 z" @/ w% o" c
- mainAction();
" @" q1 Q: @# a- h - if (digitalRead(0)){
6 Z5 m+ X( ]7 R! k8 x" x2 b - ESP.deepSleep(0);
3 S4 C0 T1 ?4 P p: B - } else {
# t- b& P8 l' _( N6 } - server.begin();& s; u& p# y; l6 M$ D! m; x9 |, t
- }
4 L c% Y$ D1 `1 l/ m - }
# _/ `, @: V1 A% B - void loop() {- V8 j- W( F6 X; P; `
- server.handleClient();+ z0 A+ G7 u! g9 c3 g! i" e" {1 I
- delay(1);
: \, ]! [0 \: }( O6 E* Y1 t - }# a, a h. `9 i) L
- String doGet(String url){
# m7 ~) ?9 o. R2 u) J. h - if ((WiFiMulti.run() == WL_CONNECTED)) {
: w1 j9 N$ y# W: N3 h& d% g - HTTPClient http; L' T$ N; V" O' a2 ?" D
- Serial.println("[HTTP] begin...");
. f. s5 g# V* T: x - if (url.startsWith("https")) {; C& T3 _' M* U: A
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
" F7 X) v) }3 B' f7 p0 h1 M; ^, F8 t% { - } else {, _1 U* u1 {5 L1 h. Z
- http.begin(url);
; }: }/ ~5 \2 T' e# j. q - }
( o P/ `3 y6 J1 O, P - Serial.println("[HTTP] GET...");. o j' s H1 ~ z. `
- int httpCode = http.GET();. S" S8 p+ \, K# u0 L
- if (httpCode > 0) {+ {7 v$ F3 Q$ T. M6 A$ K/ {2 O7 S
- Serial.printf("[HTTP] code: %d\n", httpCode);
* E1 e6 M+ {* A( d - if (httpCode == HTTP_CODE_OK) {
4 ^) e: ]& ~$ T) B+ l - String payload = http.getString();
4 d, ~6 \* W$ c; j* g' ~5 | - Serial.println(payload);
8 M2 E3 t, {' Z) T b6 \! F - Serial.print("\r\n"); M. Y8 I! }3 B; y: o+ ?! R
- return payload;! ~4 N9 s7 R) {# K4 h* y
- }: ?/ V% Z6 D7 I4 R6 B, C
- } else {
" b0 r1 r. ~& a - Serial.printf("[HTTP] GET... failed, error: %s\n",7 h9 `& n' m; k+ U8 l
- http.errorToString(httpCode).c_str());
& q: J1 @( ^# a) A3 a' M N$ Q - }; A4 S. c8 h, ]- ~1 Z" j7 \
- http.end();( l4 g" h, J+ {0 u) m2 L0 O) G) \
- return "";
8 u0 e/ i. j O7 y% t" I0 z6 ] - }
q0 _* a' G# P, Z* u7 I - }: x. g7 k0 H8 b# {
- void mainAction() {
. c; z4 ?- ]. T3 l3 Q - // 发送请求
e1 @) F1 D: f! U$ ` - doGet("http://google.cn");
H2 i9 f5 S* a/ h6 ~4 Z - }3 w* P1 t. W$ F5 h( W: p
复制代码 |
评分
-
查看全部评分
|