uint16_t rdReg16(uint8_t reg){
PORTG|=1<<5;
uint16_t dat;
twiStart();
twiAddr(camAddr_WR,TW_MT_SLA_ACK);
twiWriteByte(reg,TW_MT_DATA_ACK);
TWCR = (1<<TWINT)|(1<<TWEN)|(1<<TWSTO);//send stop
_delay_ms(1);
twiStart();
twiAddr(camAddr_RD,TW_MR_SLA_ACK);
dat=twiRd(0)<<8;
dat|=twiRd(1);
TWCR = (1<<TWINT)|(1<<TWEN)|(1<<TWSTO);//send stop
_delay_ms(1);
PORTG&=~(1<<5);
return dat;
}
uint8_t rdReg(uint8_t reg){
uint8_t dat;
twiStart();
twiWriteByte(OV7670_I2C_ADDRESS<<1,TW_MT_SLA_ACK);
twiWriteByte(reg,TW_MT_DATA_ACK);
TWCR = (1<<TWINT)|(1<<TWEN)|(1<<TWSTO);//send stop
_delay_ms(1);
twiStart();
twiWriteByte((OV7670_I2C_ADDRESS<<1)|1,TW_MR_SLA_ACK);
dat=twiRd(1);
TWCR = (1<<TWINT)|(1<<TWEN)|(1<<TWSTO);//send stop
_delay_ms(1);
return dat;
}
