B&B Electronics Asynchronous to Synchronous Converter 2010 Bedienungsanleitung PDF herunterladen (Seite 36)

Department of Computer Science and Electronics

// warm up the ADC, discard the first conversion

PORTB|=(1<<EN_TRANSISTOR);

ADCSRA |= (1 << ADSC);

do{}

while (ADCSRA & (1 << ADSC));

PORTB&=~(1<<EN_TRANSISTOR);

//Disable transmision

PORTB&=~(1<<ENABLE);

}

void calibrar(void)

{

unsigned int h,leer_c[8],xprima[8],cont_field[8]={0,0,0,

0,0,0,0,0},sum_field[8]={0,0,0,0,0,0,0,0},average_field[8];

unsigned int cont_line[8]={0,0,0,0,0,0,0,0},sum_line[8]={

0,0,0,

0,0,0,0,0},average_line[8];

unsigned int max[8]={0x0000,0x0000,0x0000,0x0000,0x0000,

0x0000,0x0000,0x0000},min[8]={0x03FF,0x03FF,0x03FF,0x03FF,0x03FF

,0x03FF,0x03FF,0x03FF};

for(h=0;h<=1000;h++)

{

wdt_reset ();

for(i=0;i<=7;i++)

{

leer_c[i]=read_data(i);

if(leer_c[i]>max[i])

{

max[i]=leer_c[i];

}

if(leer_c[i]<min[i])

{

min[i]=leer_c[i];

}

xprima[i]=((max[i]+min[i])>>1);

}

_delay_ms(50);

}

for(h=0;h<=1000;h++)

{

wdt_reset ();

for(i=0;i<=7;i++)

{

leer_c[i]=read_data(i);

if(leer_c[i]>=xprima[i])

{

cont_line[i]=cont_line[i]+1;

sum_line[i]=sum_line[i]+leer_c[i];

average_line[i]=sum_line[i]/cont_line[i];

}

else

{

cont_field[i]=cont_field[i]+1;

sum_field[i]=sum_field[i]+leer_c[i];

average_field[i]=sum_field[i]/cont_field[i];

}

result_c[i]=((average_line[i]+average_field[i])>>1);

}

_delay_ms(50);

}

void result_calibration_eeprom(void)

{

for(i=0;i<=7;i++)

{

wdt_reset ();

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