#!/usr/bin/env python
#encoding=utf-8
import argparse
from pyutils import *


def set_cdr_clk(v_ph, v_t):
    ph = int(8 * 1000000 * (int(abs(v_ph))%360) / 360.0)
    period = int(1000000 + v_t)
    code_for_clk = __gen_clk(ph, period)

    genPkt = GenPkt()
    genPkt.clean()
    gen_file_def = "simCdrClk"
    genPkt.addAfterExc(code_for_clk)
    genPkt.gen("./generated/SimCDR/%s.vh"%(gen_file_def, ), 1)

def __gen_clk(ph, period):
    slv_code =(
    ""
    #"\tinitial begin\n"
	#+"\t\tforever begin #%d clock%d <= ~clock%d; end\n"%(period * 8, clk, clk)
    #+"\tend\n\n"

    +"\tgenerate\n"
    +"\tfor( genvar i = 0; i < 16; i = i + 1 ) begin\n"
    +"\t\tinitial begin\n"
    +  "\t\t\t//相位信息\n"
    +  "\t\t\t#%d\n"%(ph)
    +  "\t\t\tmultiCLK[i] = 0;\n"
    +  "\t\t\tfor( integer j = 0; j < i; j = j + 1 ) begin\n"
    +    "\t\t\t\t#%d\n"%(period, )
    +    "\t\t\t\t;\n"
    +  "\t\t\tend\n"
    +  "\t\t\tforever begin #%d multiCLK[i] <= ~multiCLK[i]; end\n"%(period * 8, )
    +"\t\tend\n"
    +"\tend\n"
    +"\tendgenerate\n")

    return slv_code

if __name__ == '__main__':

    parser = argparse.ArgumentParser()
    
    # 可选参数
    parser.add_argument("-c", "--clk",  nargs=2, type=int, default=[0, 0], help="相位(度)、频率偏差ppm")

    args = parser.parse_args()

    set_cdr_clk(args.clk[0], args.clk[1]);