grove camera arduino hi this the the code i have with a push button could someone please help to add a timer code thanks i want to take pictures every 60 second ,any ideas where to start or examples ?
// File SerialCamera_DemoCode_CJ-OV528.ino
// 8/8/2013 Jack Shao
// Demo code for using seeeduino or Arduino board to cature jpg format
// picture from seeed serial camera and save it into sd card. Push the
// button to take the a picture .
// For more details about the product please check http://www.seeedstudio.com/depot/
#include <SPI.h>
#include <arduino.h>
#include <SD.h>
#define PIC_PKT_LEN 128 //data length of each read, dont set this too big because ram is limited
#define PIC_FMT_VGA 7
#define PIC_FMT_CIF 5
#define PIC_FMT_OCIF 3
#define CAM_ADDR 0
#define CAM_SERIAL Serial
#define PIC_FMT PIC_FMT_VGA
File myFile;
const byte cameraAddr = (CAM_ADDR << 5); // addr
const int buttonPin = A5; // the number of the pushbutton pin
unsigned long picTotalLen = 0; // picture length
int picNameNum = 0;
/*********************************************************************/
void setup()
{
Serial.begin(115200);
pinMode(buttonPin, INPUT); // initialize the pushbutton pin as an input
Serial.println(“Initializing SD card…”);
pinMode(10,OUTPUT); // CS pin of SD Card Shield
if (!SD.begin(10))
{
Serial.print(“sd init failed”);
return;
}
Serial.println(“sd init done.”);
initialize();
}
//
void loop()
{
int n = 0;
while(1){
Serial.println("\r\nPress the button to take a picture");
while (digitalRead(buttonPin) == LOW); //wait for buttonPin status to HIGH
if(digitalRead(buttonPin) == HIGH){
delay(20); //Debounce
if (digitalRead(buttonPin) == HIGH)
{
Serial.println("\r\nbegin to take picture");
delay(200);
if (n == 0) preCapture();
Capture();
GetData();
}
Serial.print("\r\nTaking pictures success ,number : ");
Serial.println(n);
n++ ;
}
}
}
//
void clearRxBuf()
{
while (Serial.available())
{
Serial.read();
}
}
//
void sendCmd(char cmd[], int cmd_len)
{
for (char i = 0; i < cmd_len; i++) Serial.print(cmd);
}
/**/
void initialize()
{
- char cmd = {0xaa,0x0d|cameraAddr,0x00,0x00,0x00,0x00} ;*
- unsigned char resp[6];*
- Serial.setTimeout(500);*
- while (1)*
- {*
- //clearRxBuf();*
- sendCmd(cmd,6);*
_ if (Serial.readBytes((char *)resp, 6) != 6)_ - {*
- continue;*
- }*
- if (resp[0] == 0xaa && resp[1] == (0x0e | cameraAddr) && resp[2] == 0x0d && resp[4] == 0 && resp[5] == 0)*
- {*
_ if (Serial.readBytes((char *)resp, 6) != 6) continue;_ - if (resp[0] == 0xaa && resp[1] == (0x0d | cameraAddr) && resp[2] == 0 && resp[3] == 0 && resp[4] == 0 && resp[5] == 0) break;*
- }*
- }*
- cmd[1] = 0x0e | cameraAddr;*
- cmd[2] = 0x0d;*
- sendCmd(cmd, 6);*
- Serial.println("\nCamera initialization done.");*
}
/*********************************************************************/
void preCapture()
{ - char cmd = { 0xaa, 0x01 | cameraAddr, 0x00, 0x07, 0x00, PIC_FMT };*
- unsigned char resp[6];*
- Serial.setTimeout(100);*
- while (1)*
- {*
- clearRxBuf();*
- sendCmd(cmd, 6);*
_ if (Serial.readBytes((char *)resp, 6) != 6) continue;_ - if (resp[0] == 0xaa && resp[1] == (0x0e | cameraAddr) && resp[2] == 0x01 && resp[4] == 0 && resp[5] == 0) break;*
- }*
}
void Capture()
{ - char cmd = { 0xaa, 0x06 | cameraAddr, 0x08, PIC_PKT_LEN & 0xff, (PIC_PKT_LEN>>8) & 0xff ,0};*
- unsigned char resp[6];*
- Serial.setTimeout(100);*
- while (1)*
- {*
- clearRxBuf();*
- sendCmd(cmd, 6);*
_ if (Serial.readBytes((char *)resp, 6) != 6) continue;_ - if (resp[0] == 0xaa && resp[1] == (0x0e | cameraAddr) && resp[2] == 0x06 && resp[4] == 0 && resp[5] == 0) break;*
- }*
- cmd[1] = 0x05 | cameraAddr;*
- cmd[2] = 0;*
- cmd[3] = 0;*
- cmd[4] = 0;*
- cmd[5] = 0;*
- while (1)*
- {*
- clearRxBuf();*
- sendCmd(cmd, 6);*
_ if (Serial.readBytes((char *)resp, 6) != 6) continue;_ - if (resp[0] == 0xaa && resp[1] == (0x0e | cameraAddr) && resp[2] == 0x05 && resp[4] == 0 && resp[5] == 0) break;*
- }*
- cmd[1] = 0x04 | cameraAddr;*
- cmd[2] = 0x1;*
- while (1)*
- {*
- clearRxBuf();*
- sendCmd(cmd, 6);*
_ if (Serial.readBytes((char *)resp, 6) != 6) continue;_ - if (resp[0] == 0xaa && resp[1] == (0x0e | cameraAddr) && resp[2] == 0x04 && resp[4] == 0 && resp[5] == 0)*
- {*
- Serial.setTimeout(1000);*
_ if (Serial.readBytes((char *)resp, 6) != 6)_ - {*
- continue;*
- }*
- if (resp[0] == 0xaa && resp[1] == (0x0a | cameraAddr) && resp[2] == 0x01)*
- {*
- picTotalLen = (resp[3]) | (resp[4] << 8) | (resp[5] << 16);*
- Serial.print(“picTotalLen:”);*
- Serial.println(picTotalLen);*
- break;*
- }*
- }*
- }*
}
/*********************************************************************/
void GetData()
{ - unsigned int pktCnt = (picTotalLen) / (PIC_PKT_LEN - 6);*
- if ((picTotalLen % (PIC_PKT_LEN-6)) != 0) pktCnt += 1;*
- char cmd = { 0xaa, 0x0e | cameraAddr, 0x00, 0x00, 0x00, 0x00 };*
- unsigned char pkt[PIC_PKT_LEN];*
- char picName = “pic00.jpg”;*
- picName[3] = picNameNum/10 + ‘0’;*
- picName[4] = picNameNum%10 + ‘0’;*
- if (SD.exists(picName))*
- {*
- SD.remove(picName);*
- }*
- myFile = SD.open(picName, FILE_WRITE);*
- if(!myFile){*
- Serial.println(“myFile open fail…”);*
- }*
- else{*
- Serial.setTimeout(1000);*
- for (unsigned int i = 0; i < pktCnt; i++)*
- {*
- cmd[4] = i & 0xff;*
- cmd[5] = (i >> 8) & 0xff;*
- int retry_cnt = 0;*
- retry:*
- delay(10);*
- clearRxBuf();*
- sendCmd(cmd, 6);*
uint16_t cnt = Serial.readBytes((char *)pkt, PIC_PKT_LEN); - unsigned char sum = 0;*
- for (int y = 0; y < cnt - 2; y++)*
- {*
- sum += pkt[y];*
- }*
- if (sum != pkt[cnt-2])*
- {*
- if (++retry_cnt < 100) goto retry;*
- else break;*
- }*
myFile.write((const uint8_t *)&pkt[4], cnt-6); - //if (cnt != PIC_PKT_LEN) break;*
- }*
- cmd[4] = 0xf0;*
- cmd[5] = 0xf0;*
- sendCmd(cmd, 6);*
- }*
- myFile.close();*
- picNameNum ++;*
}
SerialCameral_DemoCode_CJ_OV528.ino (6.67 KB)