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Ceci est une ancienne révision du document !
un code qui fonctionne ( pas de pb de saturation…) pour prendre à intervalle régulier(frequence) une photo jpg et la poser par ftp sur le serveur.\ un script place la photo sur le site web en utilisant la fonction watch (yum install inotify-tools)
#!/bin/bash #set -x cd /var/lib/nethserver/ftp/espcam mkdir -p archives while watch -g -n 10 -d ls -l *.jpg 2>&1 >/dev/null do cp *.jpg /var/lib/nethserver/vhost/nom_repertoire/photo.jpg mv *.jpg archives sleep 10 done exit 0
/*
ESP32cam_ftp Blog: http://www.gsampallo.com/blog/?p=686 Twitter: @gsampallo.com
*/ #include “esp_camera.h” #include “soc/soc.h” Disable brownour problems #include “soc/rtc_cntl_reg.h” Disable brownour problems #include “driver/rtc_io.h” #include <WiFi.h> #include <WiFiClient.h> #include <WiFiMulti.h> #include “ESP32_FTPClient.h” #include <NTPClient.h> For request date and time #include <WiFiUdp.h> #include “time.h”
#define LED_BUILTIN 2 #define LED_ON HIGH #define LED_OFF LOW
Pin D2 mapped to pin GPIO2/ADC12 of ESP32, or GPIO2/TXD1 of NodeMCU control on-board LED #define PIN_LED LED_BUILTIN char* ftp_server = “192.168.1.12”; char* ftp_user = “espcam”; char* ftp_pass = “patate”; char* ftp_path = “/photos”; int frequence = 1 ; minutes
const char* WIFI_SSID = “APSERRE”; const char* WIFI_PASS = “1234567890”; const char* AP1 = “APSERRE”; const char* PASSAP1 = “1234567890”; const char* AP2 = “kerminy”; const char* PASSAP2 = “1234567890”;
WiFiUDP ntpUDP; NTPClient timeClient(ntpUDP, “pool.ntp.org”, (-3600 * 3), 60000);
ESP32_FTPClient ftp (ftp_server, ftp_user, ftp_pass, 5000, 2);
Pin definition for 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 camera_config_t config; #define BUFFSIZE 512 #define AVIOFFSET 240 AVI main header length
WiFiMulti wifiMulti;
void setup() {
WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0); //disable brownout detector
Serial.begin(115200); wifiMulti.addAP(AP1, PASSAP1); wifiMulti.addAP(AP2, PASSAP2);
if (wifiMulti.run() == WL_CONNECTED) {
Serial.println("");
Serial.println("WiFi connected");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
}
#include “soc/soc.h” Disable brownout problems #include “soc/rtc_cntl_reg.h” Disable brownout problems
WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0); //disable brownout detector
initCamera(); sensor_t * s = esp_camera_sensor_get(); s->set_brightness(s, 0); // -2 to 2 s->set_contrast(s, 0); // -2 to 2 s->set_saturation(s, 0); // -2 to 2 s->set_special_effect(s, 0); // 0 to 6 (0 - No Effect, 1 - Negative, 2 - Grayscale, 3 - Red Tint, 4 - Green Tint, 5 - Blue Tint, 6 - Sepia) s->set_whitebal(s, 1); // 0 = disable , 1 = enable s->set_awb_gain(s, 1); // 0 = disable , 1 = enable s->set_wb_mode(s, 0); // 0 to 4 - if awb_gain enabled (0 - Auto, 1 - Sunny, 2 - Cloudy, 3 - Office, 4 - Home) s->set_exposure_ctrl(s, 1); // 0 = disable , 1 = enable s->set_aec2(s, 0); // 0 = disable , 1 = enable s->set_ae_level(s, 0); // -2 to 2 s->set_aec_value(s, 300); // 0 to 1200 s->set_gain_ctrl(s, 1); // 0 = disable , 1 = enable s->set_agc_gain(s, 0); // 0 to 30 s->set_gainceiling(s, (gainceiling_t)0); // 0 to 6 s->set_bpc(s, 0); // 0 = disable , 1 = enable s->set_wpc(s, 1); // 0 = disable , 1 = enable s->set_raw_gma(s, 1); // 0 = disable , 1 = enable s->set_lenc(s, 1); // 0 = disable , 1 = enable s->set_hmirror(s, 0); // 0 = disable , 1 = enable s->set_vflip(s, 0); // 0 = disable , 1 = enable s->set_dcw(s, 1); // 0 = disable , 1 = enable s->set_colorbar(s, 0); // 0 = disable , 1 = enable
timeClient.begin(); timeClient.update();
Serial.println(timeClient.getFullFormattedTimeForFile());
ftp.OpenConnection();
}
void loop() {
if (wifiMulti.run() != WL_CONNECTED) {
Serial.println("WiFi not connected!");
delay(10000);
Serial.println("RESET!");
ESP.restart();
}
timeClient.update();
delay(5000);
takePhoto();
//delay(5*60000); // 5 min
delay (frequence * 60000);
} void toggleLED() {
//toggle state digitalWrite(PIN_LED, !digitalRead(PIN_LED));
} void initCamera() {
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 = 20000000; config.pixel_format = PIXFORMAT_JPEG;
if (psramFound()) {
config.frame_size = FRAMESIZE_UXGA;//FRAMESIZE_UXGA; // FRAMESIZE_ + QVGA|CIF|VGA|SVGA|XGA|SXGA|UXGA
config.jpeg_quality = 10; //10-63 lower number means higher quality config.fb_count = 3;
} else {
config.frame_size = FRAMESIZE_SVGA;
config.jpeg_quality = 12;
config.fb_count = 1;
}
// Init Camera esp_err_t err = esp_camera_init(&config); delay(500);
if (err != ESP_OK) {
Serial.printf("Camera init failed with error 0x%x", err);
return;
}
}
void takePhoto() {
camera_fb_t * fb = NULL;
// Take Picture with Camera
fb = esp_camera_fb_get();
Serial.print(F("Pic, len=")); Serial.println(fb->len);
if (!fb) {
Serial.println("Camera capture failed");
return;
}
/* Upload to ftp server */
//ftp.ChangeWorkDir(ftp_path);
ftp.InitFile("Type I");
String nombreArchivo = timeClient.getFullFormattedTimeForFile() + ".jpg"; // AAAAMMDD_HHMMSS.jpg
Serial.println("Subiendo " + nombreArchivo);
int str_len = nombreArchivo.length() + 1;
char char_array[str_len]; nombreArchivo.toCharArray(char_array, str_len);
ftp.NewFile(char_array); ftp.WriteData( fb->buf, fb->len ); ftp.CloseFile();
/* Free */ esp_camera_fb_return(fb);
} </code>
