tech_vaibhav_eee
New Member
i have to write a code in hdl using VHDL for one of my projects..since i haven't used vhdl till now, i dont know how to start? some1 please guide me on how to complete the project..i have to submit it in 3 days..
i m giving the problem statement below:
{{{{{ The DNA sequence is made up of genes and the gene is made up of codons (a sequence of three bases
among AGCT). The system should take a corresponding gene in the two DNA sequences, which is
composed of 4 codons each* (you will thus have 24 bit binary numbers to compare). Then, compare
them codon wise i.e. bitwise subtraction of the codons will be done. The absolute values of such
differences will be added to give a net final summation. This summation is to be compared with a
predetermined value. If the summation does not exceed the predetermined value, then the two DNA
sequences match otherwise they don’t match. Also, all the processes have to be synchronized with a
common clock signal of any suitable frequency.
PS: The testbench also has to be written along with the code in order to verify if the code is working
properly.
Hint: Represent each base with 00,01,10,11 corresponding to A,G,C,T respectively. Thus each codon will
comprise of 6 bits. These 6 bits can be subtracted, the differences added and subsequent operations can
be performed. The testbench will serve the purpose of giving the gene sequence bits to the machine at
appropriate times. Use control signals to synchronize the working of the code and testbench properly.
* The number of codons in a gene is arbitrarily taken to be 4 codons for simplification purposes. }}}}}}
it would be helpful if some1 give me a working code..
i m giving the problem statement below:
{{{{{ The DNA sequence is made up of genes and the gene is made up of codons (a sequence of three bases
among AGCT). The system should take a corresponding gene in the two DNA sequences, which is
composed of 4 codons each* (you will thus have 24 bit binary numbers to compare). Then, compare
them codon wise i.e. bitwise subtraction of the codons will be done. The absolute values of such
differences will be added to give a net final summation. This summation is to be compared with a
predetermined value. If the summation does not exceed the predetermined value, then the two DNA
sequences match otherwise they don’t match. Also, all the processes have to be synchronized with a
common clock signal of any suitable frequency.
PS: The testbench also has to be written along with the code in order to verify if the code is working
properly.
Hint: Represent each base with 00,01,10,11 corresponding to A,G,C,T respectively. Thus each codon will
comprise of 6 bits. These 6 bits can be subtracted, the differences added and subsequent operations can
be performed. The testbench will serve the purpose of giving the gene sequence bits to the machine at
appropriate times. Use control signals to synchronize the working of the code and testbench properly.
* The number of codons in a gene is arbitrarily taken to be 4 codons for simplification purposes. }}}}}}
it would be helpful if some1 give me a working code..
