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sketch_apr25a.ino
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#include "esp_camera.h"
#include <WiFi.h>
#include "esp_timer.h"
#include "img_converters.h"
#include "Arduino.h"
#include "fb_gfx.h"
#include "soc/soc.h"
#include "soc/rtc_cntl_reg.h"
#include "esp_http_server.h"
#include <ESP32Servo.h>
#define BUZZER_PIN 12
#define LDR_PIN 13
#define SERVO_PIN 15
Servo doorServo;
void openDoor()
{
doorServo.write(90);
}
void closeDoor()
{
doorServo.write(0);
}
const char *ssid = "KareemPhone";
const char *password = "mahran1234";
#define PART_BOUNDARY "123456789000000000000987654321"
#define FLASH_GPIO_NUM 4
#define CAMERA_MODEL_AI_THINKER
#define PWDN_GPIO_NUM 32
#define RESET_GPIO_NUM -1
#define XCLK_GPIO_NUM 0
#define SIOD_GPIO_NUM 26
#define SIOC_GPIO_NUM 27
#define Y9_GPIO_NUM 35
#define Y8_GPIO_NUM 34
#define Y7_GPIO_NUM 39
#define Y6_GPIO_NUM 36
#define Y5_GPIO_NUM 21
#define Y4_GPIO_NUM 19
#define Y3_GPIO_NUM 18
#define Y2_GPIO_NUM 5
#define VSYNC_GPIO_NUM 25
#define HREF_GPIO_NUM 23
#define PCLK_GPIO_NUM 22
static const char *_STREAM_CONTENT_TYPE = "multipart/x-mixed-replace;boundary=" PART_BOUNDARY;
static const char *_STREAM_BOUNDARY = "\r\n--" PART_BOUNDARY "\r\n";
static const char *_STREAM_PART = "Content-Type: image/jpeg\r\nContent-Length: %u\r\n\r\n";
httpd_handle_t camera_httpd = NULL;
httpd_handle_t stream_httpd = NULL;
static const char PROGMEM INDEX_HTML[] = R"rawliteral(<html>
<head>
<title>Home</title>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<style>
body {
font-family: Arial;
text-align: center;
margin: 0px auto;
padding-top: 30px;
}
table {
margin-left: auto;
margin-right: auto;
}
td {
padding: 8 px;
}
.button {
background-color: #2f4468;
border: none;
color: white;
padding: 10px 20px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 18px;
margin: 6px 3px;
cursor: pointer;
-webkit-touch-callout: none;
-webkit-user-select: none;
-khtml-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
img {
width: auto;
max-width: 100%;
height: auto;
}
</style>
</head>
<body>
<h1>Home Camera</h1>
<div>
<img src="" id="photo" />
</div>
<div>
<button
class="button"
onmousedown="toggleCheckbox('opendoor');"
ontouchstart="toggleCheckbox('opendoor');"
>
Open door
</button>
<button
class="button"
onmousedown="toggleCheckbox('closedoor');"
ontouchstart="toggleCheckbox('closedoor');"
>
Close door
</button>
<button
class="button"
onmousedown="toggleCheckbox('lighton');"
ontouchstart="toggleCheckbox('togglelight');"
>
Turn on light
</button>
<button
class="button"
onmousedown="toggleCheckbox('lightoff');"
ontouchstart="toggleCheckbox('togglelight');"
>
Turn off light
</button>
</div>
<div id="lightlevel"></div>
<div id="doorbell"></div>
<script>
function toggleCheckbox(x) {
var xhr = new XMLHttpRequest();
xhr.open("GET", "/action?go=" + x, true);
xhr.send();
}
window.onload = function () {
document.getElementById("photo").src =
window.location.href.slice(0, -1) + ":81/stream";
setInterval(function () {
// Update light level every 1 second
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function () {
if (xhr.readyState == 4 && xhr.status == 200) {
document.getElementById("lightlevel").innerHTML =
xhr.responseText === "1"
? "Lights off is recommended"
: "Lights on is recommended";
}
};
xhr.open("GET", "/lightlevel", true);
xhr.send();
}, 1000);
setInterval(function () {
// Update light level every 1 second
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function () {
if (xhr.readyState == 4 && xhr.status == 200) {
if (xhr.responseText === "1") {
document.getElementById("doorbell").innerHTML =
"Doorbell is ringing!";
} else {
document.getElementById("doorbell").innerHTML = "";
}
}
};
xhr.open("GET", "/doorbell", true);
xhr.send();
}, 250);
};
</script>
</body>
</html>
)rawliteral";
static esp_err_t index_handler(httpd_req_t *req)
{
httpd_resp_set_type(req, "text/html");
return httpd_resp_send(req, (const char *)INDEX_HTML, strlen(INDEX_HTML));
}
static esp_err_t stream_handler(httpd_req_t *req)
{
camera_fb_t *fb = NULL;
esp_err_t res = ESP_OK;
size_t _jpg_buf_len = 0;
uint8_t *_jpg_buf = NULL;
char *part_buf[64];
res = httpd_resp_set_type(req, _STREAM_CONTENT_TYPE);
if (res != ESP_OK)
{
return res;
}
while (true)
{
fb = esp_camera_fb_get();
if (!fb)
{
Serial.println("Camera capture failed");
res = ESP_FAIL;
}
else
{
if (fb->width > 400)
{
if (fb->format != PIXFORMAT_JPEG)
{
bool jpeg_converted = frame2jpg(fb, 80, &_jpg_buf, &_jpg_buf_len);
esp_camera_fb_return(fb);
fb = NULL;
if (!jpeg_converted)
{
Serial.println("JPEG compression failed");
res = ESP_FAIL;
}
}
else
{
_jpg_buf_len = fb->len;
_jpg_buf = fb->buf;
}
}
}
if (res == ESP_OK)
{
size_t hlen = snprintf((char *)part_buf, 64, _STREAM_PART, _jpg_buf_len);
res = httpd_resp_send_chunk(req, (const char *)part_buf, hlen);
}
if (res == ESP_OK)
{
res = httpd_resp_send_chunk(req, (const char *)_jpg_buf, _jpg_buf_len);
}
if (res == ESP_OK)
{
res = httpd_resp_send_chunk(req, _STREAM_BOUNDARY, strlen(_STREAM_BOUNDARY));
}
if (fb)
{
esp_camera_fb_return(fb);
fb = NULL;
_jpg_buf = NULL;
}
else if (_jpg_buf)
{
free(_jpg_buf);
_jpg_buf = NULL;
}
if (res != ESP_OK)
{
break;
}
// Serial.printf("MJPG: %uB\n",(uint32_t)(_jpg_buf_len));
}
return res;
}
static esp_err_t cmd_handler(httpd_req_t *req)
{
char *buf;
size_t buf_len;
char variable[32] = {
0,
};
buf_len = httpd_req_get_url_query_len(req) + 1;
if (buf_len > 1)
{
buf = (char *)malloc(buf_len);
if (!buf)
{
httpd_resp_send_500(req);
return ESP_FAIL;
}
if (httpd_req_get_url_query_str(req, buf, buf_len) == ESP_OK)
{
if (httpd_query_key_value(buf, "go", variable, sizeof(variable)) == ESP_OK)
{
}
else
{
free(buf);
httpd_resp_send_404(req);
return ESP_FAIL;
}
}
else
{
free(buf);
httpd_resp_send_404(req);
return ESP_FAIL;
}
free(buf);
}
else
{
httpd_resp_send_404(req);
return ESP_FAIL;
}
sensor_t *s = esp_camera_sensor_get();
// flip the camera vertically
// s->set_vflip(s, 1); // 0 = disable , 1 = enable
// mirror effect
// s->set_hmirror(s, 1); // 0 = disable , 1 = enable
int res = 0;
if (!strcmp(variable, "opendoor"))
{
openDoor();
}
else if (!strcmp(variable, "closedoor"))
{
closeDoor();
}
else if (!strcmp(variable, "lighton"))
{
digitalWrite(FLASH_GPIO_NUM, HIGH);
}
else if (!strcmp(variable, "lightoff"))
{
digitalWrite(FLASH_GPIO_NUM, LOW);
}
else
{
res = -1;
}
if (res)
{
return httpd_resp_send_500(req);
}
httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
return httpd_resp_send(req, NULL, 0);
}
static esp_err_t lightlevel_handler(httpd_req_t *req)
{
httpd_resp_set_type(req, "text/html");
int analogValue = digitalRead(LDR_PIN);
if (analogValue == 0)
{
return httpd_resp_send(req, "0", strlen("0"));
}
else
{
return httpd_resp_send(req, "1", strlen("1"));
}
}
static esp_err_t doorbell_handler(httpd_req_t *req)
{
httpd_resp_set_type(req, "text/html");
int analogValue = digitalRead(BUZZER_PIN);
if (analogValue == 0)
{
return httpd_resp_send(req, "0", strlen("0"));
}
else
{
return httpd_resp_send(req, "1", strlen("1"));
}
}
void startCameraServer()
{
httpd_config_t config = HTTPD_DEFAULT_CONFIG();
config.server_port = 80;
httpd_uri_t index_uri = {
.uri = "/",
.method = HTTP_GET,
.handler = index_handler,
.user_ctx = NULL};
httpd_uri_t cmd_uri = {
.uri = "/action",
.method = HTTP_GET,
.handler = cmd_handler,
.user_ctx = NULL};
httpd_uri_t stream_uri = {
.uri = "/stream",
.method = HTTP_GET,
.handler = stream_handler,
.user_ctx = NULL};
httpd_uri_t lightlevel_uri = {
.uri = "/lightlevel",
.method = HTTP_GET,
.handler = lightlevel_handler,
.user_ctx = NULL};
httpd_uri_t doorbell_uri = {
.uri = "/doorbell",
.method = HTTP_GET,
.handler = doorbell_handler,
.user_ctx = NULL};
if (httpd_start(&camera_httpd, &config) == ESP_OK)
{
httpd_register_uri_handler(camera_httpd, &index_uri);
httpd_register_uri_handler(camera_httpd, &cmd_uri);
httpd_register_uri_handler(camera_httpd, &lightlevel_uri);
httpd_register_uri_handler(camera_httpd, &doorbell_uri);
}
config.server_port += 1;
config.ctrl_port += 1;
if (httpd_start(&stream_httpd, &config) == ESP_OK)
{
httpd_register_uri_handler(stream_httpd, &stream_uri);
}
}
void setup()
{
WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0);
pinMode(FLASH_GPIO_NUM, OUTPUT);
Serial.begin(115200);
Serial.setDebugOutput(false);
pinMode(LDR_PIN, INPUT);
pinMode(BUZZER_PIN, INPUT);
doorServo.attach(SERVO_PIN);
camera_config_t config;
config.ledc_channel = LEDC_CHANNEL_0;
config.ledc_timer = LEDC_TIMER_0;
config.pin_d0 = Y2_GPIO_NUM;
config.pin_d1 = Y3_GPIO_NUM;
config.pin_d2 = Y4_GPIO_NUM;
config.pin_d3 = Y5_GPIO_NUM;
config.pin_d4 = Y6_GPIO_NUM;
config.pin_d5 = Y7_GPIO_NUM;
config.pin_d6 = Y8_GPIO_NUM;
config.pin_d7 = Y9_GPIO_NUM;
config.pin_xclk = XCLK_GPIO_NUM;
config.pin_pclk = PCLK_GPIO_NUM;
config.pin_vsync = VSYNC_GPIO_NUM;
config.pin_href = HREF_GPIO_NUM;
config.pin_sscb_sda = SIOD_GPIO_NUM;
config.pin_sscb_scl = SIOC_GPIO_NUM;
config.pin_pwdn = PWDN_GPIO_NUM;
config.pin_reset = RESET_GPIO_NUM;
config.xclk_freq_hz = 10000000;
config.pixel_format = PIXFORMAT_JPEG;
if (psramFound())
{
config.frame_size = FRAMESIZE_VGA;
config.jpeg_quality = 10;
config.fb_count = 2;
}
else
{
config.frame_size = FRAMESIZE_SVGA;
config.jpeg_quality = 12;
config.fb_count = 1;
}
// Camera init
esp_err_t err = esp_camera_init(&config);
if (err != ESP_OK)
{
Serial.printf("Camera init failed with error 0x%x", err);
return;
}
// Wi-Fi connection
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED)
{
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected");
Serial.print("Camera Stream Ready! Go to: http://");
Serial.println(WiFi.localIP());
// Start streaming web server
();
}
void loop()
{
}