unsigned char read(unsigned char status)
{
	/* I2C READ operation, read one byte from the transmitter and
	 * give ack/nack to it */
	unsigned char byte = 0;
	unsigned char count, level = 0;
	SDA = HIGH;             /* .kbv MAKE LINE AN INPUT */
	for ( count = 0; count < 8; count++ ) {
		byte <<= 1;
		level = clock();
		byte |= level;		
	}
	SDA = status;		/* status = 1 :- NACK
				 * status = 0 :- ACK */
	clock();
	return byte;
}