ESP32CamTimeLapse/TimeLapse/lapse.cpp

72 lines
1.5 KiB
C++

#include "Arduino.h"
#include "camera.h"
#include <stdio.h>
#include "file.h"
unsigned long fileIndex = 0;
unsigned long lapseIndex = 0;
unsigned long frameInterval = 1000;
bool mjpeg = true;
bool lapseRunning = false;
unsigned long lastFrameDelta = 0;
void setInterval(unsigned long delta)
{
frameInterval = delta;
}
bool startLapse()
{
if(lapseRunning) return true;
fileIndex = 0;
char path[32];
for(; lapseIndex < 10000; lapseIndex++)
{
sprintf(path, "/lapse%03d", lapseIndex);
if (!fileExists(path))
{
createDir(path);
lastFrameDelta = 0;
lapseRunning = true;
return true;
}
}
return false;
}
bool stopLapse()
{
lapseRunning = false;
}
bool processLapse(unsigned long dt)
{
if(!lapseRunning) return false;
lastFrameDelta += dt;
if(lastFrameDelta >= frameInterval)
{
lastFrameDelta -= frameInterval;
camera_fb_t *fb = NULL;
esp_err_t res = ESP_OK;
fb = esp_camera_fb_get();
if (!fb)
{
Serial.println("Camera capture failed");
return false;
}
char path[32];
sprintf(path, "/lapse%03d/pic%05d.jpg", lapseIndex, fileIndex);
Serial.println(path);
if(!writeFile(path, (const unsigned char *)fb->buf, fb->len))
{
lapseRunning = false;
return false;
}
fileIndex++;
esp_camera_fb_return(fb);
}
return true;
}