|
|
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)
8 u, a) K9 d- L* f( P9 G1 t- #include <ESP8266HTTPClient.h>
4 }9 q% X! ?& n* z - #include <ESP8266WiFi.h>
; p6 U9 v6 T' n e+ C! @; _ - #include <ESP8266WiFiMulti.h>
4 y) l) U; H( ?& t - #include <ESP8266WebServer.h>
7 c0 |; E/ R6 e0 g9 p/ N# s - #include <arduino.h>! `* X( x+ r( X. ]4 R
- ESP8266WiFiMulti WiFiMulti;: u5 k1 K$ c3 w+ v
- ESP8266WebServer server(80);* V) ^$ h/ I* v3 y' C! O v1 H
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
! o& @5 K1 R+ w0 h. i - ADC_MODE(ADC_VCC);
- _% H" B! v/ v- w - void setup() {
* ^0 H! n [$ r% i" u - Serial.begin(115200);- {9 J; l( g) D' q# U. ]
- Serial.print("\r\n\n");8 p) ?) V" B* W
- pinMode(2,OUTPUT);
& K) a7 |9 @- R% Q - // WIFI
' }& K1 |8 g) G# d: Q! s - WiFi.mode(WIFI_STA);
# H& i3 z3 ~# w8 j1 z: g* q4 M - WiFi.hostname("Sparkle");
4 }( [+ @: A$ x' q. H4 Q/ S; S - WiFiMulti.addAP("wifi ssid", "wifi password");
6 T h7 ]; z4 | - int tryNum = 15;
$ w, g0 {# z# r) R6 a( h6 |, h; x5 O - Serial.print("Connect WiFi");
1 U8 e! I$ t0 a - while (WiFiMulti.run() != WL_CONNECTED) {+ G0 G! ]+ \: n9 m6 P) t9 E
- digitalWrite(2,0);+ `/ v* p6 h% E& N
- delay(200);
8 K4 D2 y9 C, \ - digitalWrite(2,1);! v, a! ]+ b7 D( j, o+ N
- delay(300);
! S+ J- l; v/ T9 d - Serial.print(".");) h2 n3 g; t4 Z* }2 }$ T
- tryNum--;' K! q+ U% o9 M& q; X
- if (tryNum == 0) {
, y+ o" y' K) N - // 1min
* ~, ?; N0 Y' i. o6 Z' U, U - // ESP.deepSleep(60e6);
0 X1 {9 |* C! P: |! v& A - ESP.deepSleep(0);
' e& t$ u- j, k: n2 o - }8 d9 k { B6 e3 r+ P
- }
1 a. H$ T, d; C/ l6 @6 M - Serial.print("\r\n");
# Q, e: `4 P8 d7 O0 x - digitalWrite(2,1);5 X8 G) w( J! U: z/ H, N% e" s
- Serial.print("IP address : ");
+ u" g3 ?3 Y( x) b8 _ - Serial.println(WiFi.localIP());( t& [, o+ g) m, E* B
- server.on("/", HTTP_GET, [](){
\6 B5 f/ Z0 {/ G/ \. N: O - server.sendHeader("Connection", "close");
( G* E6 K& d: H9 p - server.send(200, "text/html", serverIndex);
/ L: {* ~' S% `( @! F6 [3 z/ C7 X1 n - });! n) Q4 r o) K; {
- server.on("/update", HTTP_POST, [](){
# W1 K. k4 x1 O - server.sendHeader("Connection", "close");
6 v1 j1 M4 n+ N - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
/ Y, x. f0 e2 g. T0 B9 r, b - ESP.restart();0 G W0 `$ l6 V7 w2 X! Y
- },[](){6 e9 v1 Y* i7 W3 ]* \2 E3 N
- HTTPUpload& upload = server.upload();
7 O& ?9 q' D. D - if(upload.status == UPLOAD_FILE_START){
2 g- t* l8 Q- K - Serial.setDebugOutput(true);" _. i, f. B6 f9 p
- Serial.printf("Update: %s\n", upload.filename.c_str());( `# B5 \$ F3 J F0 z8 k+ m
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
; W0 m. ~ B- Q- D! L" d - if(!Update.begin(maxSketchSpace)){
6 ^- F" i6 K8 U" O1 y* I - Update.printError(Serial);. E1 v7 f& c' w. l% k
- }4 o: `9 I O5 R! ~
- } else if(upload.status == UPLOAD_FILE_WRITE){8 i2 J! u1 \2 x7 V) @/ l8 g
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
Y/ X5 ]" b) G' s3 v8 _ e - Update.printError(Serial);5 y, }0 d' v( K
- }' v& Z7 y1 [9 h2 |' { H- `1 ~3 H2 j
- } else if(upload.status == UPLOAD_FILE_END){
- z9 ?/ z1 ~" S; l" V- m2 ^" t - if(Update.end(true)){
6 h7 |) N$ ~& e+ ?8 B5 ~0 Z - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);8 m% z1 Z$ w# _( W; T U* s! N
- } else {# O# C8 a/ D2 Y3 Q' Z4 h0 Q( E
- Update.printError(Serial);
. m* W8 z1 b! i; A, z - }7 h/ {0 ]9 O% V2 B s7 v2 t4 }
- Serial.setDebugOutput(false);
z0 t0 n0 p9 \" j4 F* L - }! n8 Y: S, p4 L' @9 K, u) p- j8 d+ k$ c
- yield();( B) B/ {( @6 h# M% |) w/ u
- });
' x$ S1 P$ E1 f" V' i -
( F. f! u( [. V6 |& G# A - digitalWrite(2,0);
7 B+ K% B" p9 X7 L+ N - mainAction();
3 ?. o5 `# e; S0 I - if (digitalRead(0)){3 J3 k3 I+ H: z: w2 V. q% u2 \* `
- ESP.deepSleep(0);
: G0 Y4 K( I6 H - } else {
4 ^: M4 \- c, _1 E2 ?# C, o) ] - server.begin();( v7 R1 @3 k8 j5 \+ h
- }
. [' n/ \' |' g* Y! X# D2 U - }
: i2 B- d" @2 T - void loop() {0 e4 K8 r8 M1 I
- server.handleClient();, i3 B3 Y/ ~0 T! Z
- delay(1);
$ G; n7 j& S: ^( o2 C+ L - }
" L7 O, H; [. P& [5 [4 ]- J - String doGet(String url){5 ^& G% T' ~5 _0 t! I! b+ _7 R
- if ((WiFiMulti.run() == WL_CONNECTED)) {
' \0 [ e, i1 k3 a - HTTPClient http;& O* H" E5 }& f+ k0 Y9 w* _
- Serial.println("[HTTP] begin...");
. ?& v0 G% U2 r1 W: n C - if (url.startsWith("https")) {% Q r( V8 _! ~6 B6 I5 h! Q8 d, w
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
3 S) v0 y: \ N - } else {
S% J/ U2 p) ]0 [; R) \ - http.begin(url);) a9 T) j# K: g5 v m
- }0 P6 N3 s0 W" z# ] O
- Serial.println("[HTTP] GET...");
# f" f K% M3 f* ~% s b - int httpCode = http.GET();
5 ~2 L( g8 M3 a& X" F; y - if (httpCode > 0) {
% Q- @# r6 w7 J - Serial.printf("[HTTP] code: %d\n", httpCode);
& k5 [0 a5 d4 B- q' X - if (httpCode == HTTP_CODE_OK) {8 D* H ~6 m# C/ I* ~- _. h
- String payload = http.getString();
7 w$ @+ n5 Q4 o - Serial.println(payload);
1 h. A' _$ i0 y/ }: U/ n - Serial.print("\r\n");
& Q" N2 ~9 U7 r - return payload;- X: l$ \% R% h0 O, Q- R
- }
4 }* y/ P* P* [/ O) ~8 h - } else {" _4 x" z4 w# X. V1 a
- Serial.printf("[HTTP] GET... failed, error: %s\n",
5 N1 O+ b/ ? c# K - http.errorToString(httpCode).c_str());3 o( q8 b! E, U! v" s7 b
- }7 Q/ N+ t( x {. Y1 i
- http.end();5 ]5 z; Z2 N; l7 z% b
- return "";* V' } J$ s& r" k
- }( J; k8 ~" f: a" r
- }7 ]! n, ^; b" \# d& z
- void mainAction() {
/ C. K4 y/ I+ A3 P - // 发送请求' E% {% H: ^& f8 F2 a
- doGet("http://google.cn");
/ e {1 K. R3 W8 e( q - }- W/ D+ K3 y" _. `/ ]; k- f5 E
复制代码 |
评分
-
查看全部评分
|