python版-Xilinx MIG IP IO口自动生成XDC脚本

自从我手动标注了1h的DDR3 IO位置之后，我感到浑身难受，这种活还是给电脑比较好。

备注：csv文件是用cadence导出的。

# -*- coding: utf-8 -*- 

import os
import os.path
import csv
import re

#打开文件
#filePath = ddr3_io.csv
filePath = input(请输入原始CSV文件全路径：
)

netPortMap = [
(DDR3_DIMM1_CAS_N , ddr3_cas_n),         #0
(DDR3_DIMM1_CK0_N, ddr3_ck_n[0]),       #1
(DDR3_DIMM1_CK0_P, ddr3_ck_p[0]),       #2
(DDR3_DIMM1_CKE0, ddr3_cke[0]),           #3
(DDR3_DIMM1_CS0_N, ddr3_cs_n[0]),       #4
(DDR3_DIMM1_ODT0_N, ddr3_odt[0]),       #5
(DDR3_DIMM1_RAS_N, ddr3_ras_n),          #6
(DDR3_DIMM1_WE_N, ddr3_we_n),              #7
(DDR3_DIMM1_RESET_N, ddr3_reset_n),    #8

(DDR3_DIMM1_DM, ddr3_dm),                     #9
(DDR3_DIMM1_DQ, ddr3_dq),                     #10
(DDR3_DIMM1_A, ddr3_addr),                   #11
(DDR3_DIMM1_BA, ddr3_ba),                     #12

(DDR3_DIMM1_DQS, ddr3_dqs),                  #13

(FPGA_Name, U1),                                     #14

]
#统计约束数量
xdcDict={
0:0, 
1:0, 
2:0, 
3:0, 
4:0, 
5:0, 
6:0, 
7:0, 
8:0, 
9:0, 
10:0, 
11:0, 
12:0, 
13:0, 

}
#fun defs
#匹配网络名称    
def findNetNameInMap(row):
    for index in range(0,  14):
        answer = err
        netName = row[0]
        if netName.find(netPortMap[index][0]) != -1:
            if netName.find(netPortMap[13][0]) != -1: #对DQS进行第二次判断
                answer = (row[0],  netPortMap[13][0],  netPortMap[13][1], 13)
            else:
                answer = (row[0],  netPortMap[index][0],  netPortMap[index][1], index)
            return answer
    return answer
#生成XDC约束
def genXDCLine(netName,  netNameNoIndex,  portName,  number, originString):
    originStringSplit = originString.split( )
    for item in originStringSplit:         #获取FPGA引脚位置
            if item.find(netPortMap[14][1]+.) != -1:
                pinLOC = item[len(netPortMap[14][1]+.):]      
                
    if number <= 8: #固定名称的引脚                
        xdcLine = set_property PACKAGE_PIN +pinLOC+ [get_ports {+portName+}]
        #print(xdcLine)
    if 9 <= number <= 12: #DM，DQ，ADDR， BA单端信号
        portNameIndex = netName[len(netNameNoIndex):]
        xdcLine = set_property PACKAGE_PIN +pinLOC+ [get_ports {+portName+[+portNameIndex+]}]
        #print(xdcLine)    
    if number == 13:  #DQS，差分信号
        portNameRes = netName[len(netNameNoIndex):]
        #print(portNameRes)
        portNameIndex = re.sub("D", "", portNameRes)  #去掉非数字字符，得到索引
        portNamePolarity = re.sub("[^a-zA-Z]", "", portNameRes) #去掉非字母字符，得到极性
        portNamePolarity = portNamePolarity.lower()
        #print(portNameIndex,  portNamePolarity)
        xdcLine = set_property PACKAGE_PIN +pinLOC+ [get_ports {+portName+_+portNamePolarity+[+portNameIndex+]}]
        #print(xdcLine)
    return xdcLine
#process start            
xdcFilePath=filePath.replace(.csv, .xdc)
xdcfile = open(xdcFilePath,  w)

with open(filePath, r, encoding=utf-8) as csvfile:
    fileContent = csv.reader(csvfile,  delimiter=,)
    for row in fileContent:                          #遍历每行  
       # print ("读取的数据为: %s" % (row[0]))
        
        answer = findNetNameInMap(row)
        #print (answer,  row[1])
        if answer != err:
            xdcLine = genXDCLine(netName=answer[0], netNameNoIndex = answer[1], portName = answer[2],  number= int(answer[3]), originString=row[1])
            xdcfile.write(xdcLine+
)
            #print(answer[3])
            xdcDict[answer[3]] = xdcDict[answer[3]] + 1
        
        
xdcfile.close()
print(============================================)
print(约束文件已生成，并保存为：+xdcFilePath)
print(约束数量统计==============================)
for key in xdcDict:
    print(netPortMap[key][0] + :    +str(xdcDict[key]))