TCD1201 이미지 센서

TCD1201D 를 이용한 아두이노 

C코드

/*
  Linear CCD readout
  lCCD: Toshiba TCD 1201D, 2048 pixel
  Pinmap: 22 DIL
  Chip                               Arduino Pin
    1  :  OS (Output Signal)           A0
    2  :  DOS (Compensation Output)    A1
    3  :  OD (Power +5V)               +5V
    4  :  RS (Reset Gate)              6
    5  :  BT (Boost Pulse)             7
    6  :  P2 (clock Phase 2)           5
    19 :  P1 (clock Phase 1)           4
    21 :  SH (Shift Gate)              3
    all other pins connected to GND    GND
*/

#define OS_PIN A0
#define DOS_PIN A1
#define SH_PIN 3
#define P1_PIN 4
#define P2_PIN 5
#define RS_PIN 6
#define BT_PIN 7

int bt_time = 50; // length of boost
int rs_time = 50; // length of reset
int p1_time = 1; // length of P1
int p2_time = 1; // length of P2
int sf_time = 1; // shift between BT and RS

int sadc[256];  // signal output values read
int sdummy1[32];
int sdummy2[14];


void setup() {
  Serial.begin(9600);
  Serial.println("Setup start");
  for (int i=3;i<8;i++) pinMode(i,OUTPUT);
  pinMode(OS_PIN,INPUT);
  pinMode(DOS_PIN,INPUT);
  // take all to LOW
  PORTD = B00000000;
  Serial.println("Setup Complete");
}

void loop() {
  // do nothing - all done via SerialEvent
  Serial.println("start loop");
  readCCD();

  delay(5000);
}

void readCCD() {
  int dos = 300;
  int dwt = 1;
  int j;
  int val;
  for (int i=0; i<256;i++) sadc[i]=0;
  // start read cycle
  Serial.println("Start read cycle");
  // take all to LOW
  PORTD = B00000000;
  delay(1);
  // set inital state
  //       BRPPSxxx
  //       TS21H
  PORTD = B10011000;  
  delay(1);
  // take BT low
  //       TS21H
  PORTD = B00011000;
  delayMicroseconds(bt_time);
  // take RS high
  //       TS21H
  PORTD = B01011000;
  delayMicroseconds(rs_time);
  // take BT high
  //       TS21H
  PORTD = B11011000;
  delayMicroseconds(bt_time);
  // take RS low
  //       TS21H
  PORTD = B10011000;
  delayMicroseconds(rs_time);
  //
  Serial.println("read dummy output");
  // take gate to low
  //       TS21H
  PORTD = B10010000;
  for (int i=0; i<16;i++){
    // read cylce part 1 (p1=high,p2=low)
    // wait integration time
    delayMicroseconds(dos);
    sdummy1[i*2] = analogRead(DOS_PIN) - analogRead(OS_PIN);
    // p1 high - BT/RS cycle (4 steps)
    PORTD = B00010000;
    delayMicroseconds(bt_time);
    PORTD = B01010000;
    delayMicroseconds(rs_time);
    PORTD = B11010000;
    delayMicroseconds(bt_time);
    PORTD = B10010000;
    delayMicroseconds(rs_time);
    // switch P1/P2 state
    PORTD = B10110000;
    PORTD = B10100000;
//    PORTD = B10110000; // take p2 high
//    delayMicroseconds(p2_time);
//    PORTD = B10100000; // take p1 low
    // read cylce part 2 (p1=low,p2=high)
    // wait integration time
    delayMicroseconds(dos);
    sdummy1[i*2+1] = analogRead(DOS_PIN) - analogRead(OS_PIN);
    // p1 low - BT/RS cycle (4 steps)
    PORTD = B00100000;
    delayMicroseconds(bt_time);
    PORTD = B01100000;
    delayMicroseconds(rs_time);
    PORTD = B11100000;
    delayMicroseconds(bt_time);
    PORTD = B10100000;
    delayMicroseconds(rs_time);
    // switch P1/P2 state
    PORTD = B10110000;
    PORTD = B10010000;
//    PORTD = B10000000; // take p2 low
//    delayMicroseconds(p2_time);
//    PORTD = B10010000; // take p1 high
  }
  for (int i=0; i<32;i++){
    Serial.print(sdummy1[i]);
    Serial.print(" ");
  }
  Serial.println();
  Serial.println("read sensor output");
  for (int i=0; i<1024;i++){
    j = i / 4;
    // read cylce part 1 (p1=high,p2=low)
    // wait integration time
    delayMicroseconds(dos);
    sadc[j] += analogRead(DOS_PIN) - analogRead(OS_PIN);
    // p1 high - BT/RS cycle (4 steps)
    PORTD = B00010000;
    delayMicroseconds(bt_time);
    PORTD = B01010000;
    delayMicroseconds(rs_time);
    PORTD = B11010000;
    delayMicroseconds(bt_time);
    PORTD = B10010000;
    delayMicroseconds(rs_time);
    // switch P1/P2 state
    PORTD = B10110000;
    PORTD = B10100000;
//    PORTD = B10110000; // take p2 high
//    delayMicroseconds(p2_time);
//    PORTD = B10100000; // take p1 low
    // read cylce part 2 (p1=low,p2=high)
    // wait integration time
    delayMicroseconds(dos);
    sadc[j] += analogRead(DOS_PIN) - analogRead(OS_PIN);
    // p1 low - BT/RS cycle (4 steps)
    PORTD = B00100000;
    delayMicroseconds(bt_time);
    PORTD = B01100000;
    delayMicroseconds(rs_time);
    PORTD = B11100000;
    delayMicroseconds(bt_time);
    PORTD = B10100000;
    delayMicroseconds(rs_time);
    // switch P1/P2 state
    PORTD = B10110000;
    PORTD = B10010000;
//    PORTD = B10000000; // take p2 low
//    delayMicroseconds(p2_time);
//    PORTD = B10010000; // take p1 high
  }
  for (int i=0; i<256;i++){
    sadc[i] /= 8;
    Serial.print(sadc[i]);
    Serial.print(" ");
    if ((i%16)==0) Serial.println();
  }
  Serial.println();
  Serial.println("read second dummy output");
  for (int i=0; i<7;i++){
    // read cylce part 1 (p1=high,p2=low)
    // wait integration time
    delayMicroseconds(dos);
    sdummy2[i*2] = analogRead(DOS_PIN) - analogRead(OS_PIN);
    // p1 high - BT/RS cycle (4 steps)
    PORTD = B00010000;
    delayMicroseconds(bt_time);
    PORTD = B01010000;
    delayMicroseconds(rs_time);
    PORTD = B11010000;
    delayMicroseconds(bt_time);
    PORTD = B10010000;
    delayMicroseconds(rs_time);
    // switch P1/P2 state
    PORTD = B10110000;
    PORTD = B10100000;
//    PORTD = B10110000; // take p2 high
//    delayMicroseconds(p2_time);
//    PORTD = B10100000; // take p1 low
    // read cylce part 2 (p1=low,p2=high)
    // wait integration time
    delayMicroseconds(dos);
    sdummy2[i*2+1] = analogRead(DOS_PIN) - analogRead(OS_PIN);
    // p1 low - BT/RS cycle (4 steps)
    PORTD = B00100000;
    delayMicroseconds(bt_time);
    PORTD = B01100000;
    delayMicroseconds(rs_time);
    PORTD = B11100000;
    delayMicroseconds(bt_time);
    PORTD = B10100000;
    delayMicroseconds(rs_time);
    // switch P1/P2 state
    PORTD = B10110000;
    PORTD = B10010000;
//    PORTD = B10000000; // take p2 low
//    delayMicroseconds(p2_time);
//    PORTD = B10010000; // take p1 high
  }
  for (int i=0; i<14;i++){
    Serial.print(sdummy1[i]);
    Serial.print(" ");
  }
  Serial.println();
  Serial.println("read cycle complete");
}

PDF 센서 :

TCD1201D.pdf

0.40MB