import ctypes
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import sys
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import os
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import array
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global arrayelementsize
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def Generate_CRC(inlist):
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crc = int(~0)&0xffffffff
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for i in range(len(inlist)-1):
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crc = crc ^ (int(inlist[i]&0xffffffff))
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for j in range(4*8):
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crc = ((int(crc >> 1)&0xffffffff) ^ int(0xEDB88320 & ((-(crc & 1))&0xffffffff) ))&0xffffffff
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crc=(~crc)&0xffffffff
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if (crc>0x7fffffff):
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crc=-(0x7fffffff-(crc&0x7fffffff)+1)
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print("Calculated CRC= ", crc)
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print("Actual CRC=", inlist[len(inlist)-1])
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return(crc)
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def convertto24bit(binarydata):
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if (binarydata[14]==2):
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print("16 bit detected")
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binarydata[14]=4
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elif (binarydata[14]==4):
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print("24 bit detected")
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return(1)
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else:
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print("unknown config")
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return(0)
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ilist = [16,18,20]
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for i in ilist:
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if (binarydata[i]==2):
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binarydata[i]=4
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elif (binarydata[14]==4):
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print("unknown config 4")
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return(0)
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else:
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print("unknown config")
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return(0)
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for i in range(21,len(binarydata)-1):
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if (binarydata[i]==17):
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if (binarydata[i+1]==0):
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binarydata[i]=53
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if (binarydata[i+1]==1):
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binarydata[i]=53
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if (binarydata[i+1]==2):
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binarydata[i]=53
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if (binarydata[i+1]==3):
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binarydata[i]=53
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if (binarydata[i]==16):
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if (binarydata[i+1]==5):
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binarydata[i]=52
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if (binarydata[i+1]==4):
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binarydata[i]=52
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crc=Generate_CRC(binarydata)
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binarydata[len(binarydata)-1]=crc
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return(1)
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def detectbitpersample(binarydata):
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if (binarydata[14]==4):
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print("24 bit detected")
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elif (binarydata[14]==2):
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print("16 bit detected")
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else:
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print("unknown config")
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def convertto16bit(binarydata):
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if (binarydata[14]==4):
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print("24 bit detected")
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binarydata[14]=2
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elif (binarydata[14]==2):
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print("16 bit detected")
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return(1)
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else:
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print("unknown config")
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return(0)
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ilist = [16,18,20]
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for i in ilist:
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if (binarydata[i]==4):
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binarydata[i]=2
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elif (binarydata[14]==2):
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print("unknown config 4")
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return(0)
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else:
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print("unknown config")
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return(0)
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for i in range(21,len(binarydata)-1):
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if (binarydata[i]==53):
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if (binarydata[i+1]==0):
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binarydata[i]=17
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if (binarydata[i+1]==1):
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binarydata[i]=17
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if (binarydata[i+1]==2):
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binarydata[i]=17
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if (binarydata[i+1]==3):
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binarydata[i]=17
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if (binarydata[i]==52):
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if (binarydata[i+1]==5):
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binarydata[i]=16
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if (binarydata[i+1]==4):
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binarydata[i]=16
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crc=Generate_CRC(binarydata)
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binarydata[len(binarydata)-1]=crc
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return(1)
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def binary2header(fileinput,fileinput1,fileoutput,to24bit,fileoutput1,fileoutput2):
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binarydata=array.array(arrayelementsize)
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file=open(fileinput,'rb')
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if file==-1:
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print('error cannot open file for reading:',fileinput)
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return
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file.seek(0,2)
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arraysize=int(file.tell()/4)
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print('length of config string RX:', arraysize)
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file.seek(0,0)
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binarydata.fromfile(file,arraysize)
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file.close()
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binarydata1=array.array(arrayelementsize)
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file1=open(fileinput1,'rb')
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if file1==-1:
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print('error cannot open file for reading:',fileinput)
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return
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file1.seek(0,2)
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arraysize1=int(file1.tell()/4)
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print('length of config string TX:', arraysize1)
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file1.seek(0,0)
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binarydata1.fromfile(file1,arraysize1)
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file1.close()
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if (to24bit==0):
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detectbitpersample(binarydata)
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elif (to24bit==1):
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result=convertto16bit(binarydata)
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if (result==0):
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print("Problem converting to 16bit")
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exit(0)
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elif (to24bit==2):
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result=convertto24bit(binarydata)
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if (result==0):
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print("Problem converting to 24bit")
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exit(0)
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fileo=open(fileoutput,'wt')
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if (fileo==-1):
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print('error cannot open file for writing:',fileoutput)
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return
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fileo.write('\n\n\n#define CSPL_CONFIG_RX ')
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for i in range(len(binarydata)-1):
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fileo.write(str(binarydata[i])+', ')
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fileo.write(str(binarydata[len(binarydata)-1])+'\n\n\n\n')
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fileo.write('\n\n\n#define CSPL_CONFIG_TX ')
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for i in range(len(binarydata1)-1):
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fileo.write(str(binarydata1[i])+', ')
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fileo.write(str(binarydata1[len(binarydata1)-1])+'\n\n\n\n')
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fileo.close()
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print('wrote file:',fileoutput)
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if (fileoutput1!=None):
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fileo=open(fileoutput1,'wb')
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if (fileo==-1):
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print('error cannot open file for writing:',fileoutput1)
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return
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binarydata.tofile(fileo)
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fileo.close()
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print('wrote file:',fileoutput1)
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if (fileoutput2!=None):
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fileo=open(fileoutput2,'wb')
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if (fileo==-1):
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print('error cannot open file for writing:',fileoutput2)
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return
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binarydata1.tofile(fileo)
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fileo.close()
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print('wrote file:',fileoutput2)
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def header2binary(fileinput,fileoutput,to24bit,fileoutput1,fileoutput2):
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RX=array.array(arrayelementsize)
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TX=array.array(arrayelementsize)
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file=open(fileinput,'rt')
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if file==-1:
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print('error cannot open file for reading:',fileinput)
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return
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while True:
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line=file.readline()
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sline=line.split()
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if (len(sline)>1):
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if (sline[1]=='CSPL_CONFIG_RX'):
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for r in range(2,len(sline)-1,1):
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RX.append(int(sline[r][0:len(sline[r])-1]))
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RX.append(int(sline[len(sline)-1]))
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if (sline[1]=='CSPL_CONFIG_TX'):
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for r in range(2,len(sline)-1,1):
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TX.append(int(sline[r][0:len(sline[r])-1]))
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TX.append(int(sline[len(sline)-1]))
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if (line == ''):
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break
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file.close()
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if (to24bit==0):
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detectbitpersample(RX)
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elif (to24bit==1):
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result=convertto16bit(RX)
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if (result==0):
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print("Problem converting to 16bit")
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exit(0)
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elif (to24bit==2):
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result=convertto24bit(RX)
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if (result==0):
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print("Problem converting to 24bit")
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exit(0)
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if (fileoutput!=None):
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fileo=open(fileoutput,'wt')
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if (fileo==-1):
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print('error cannot open file for writing:',fileoutput)
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return
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if (len(RX)>0):
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fileo.write('\n\n\n#define CSPL_CONFIG_RX ')
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for i in range(len(RX)-1):
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fileo.write(str(RX[i])+', ')
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fileo.write(str(RX[len(RX)-1])+'\n\n\n\n')
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if (len(TX)>0):
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fileo.write('\n\n\n#define CSPL_CONFIG_TX ')
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for i in range(len(TX)-1):
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fileo.write(str(TX[i])+', ')
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fileo.write(str(TX[len(TX)-1])+'\n\n\n\n')
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fileo.close()
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print('wrote file:',fileoutput)
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if (len(RX)>0):
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if (fileoutput1!=None):
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fileo=open(fileoutput1,'wb')
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if (fileo==-1):
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print('error cannot open file for writing:',fileoutput1)
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return
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RX.tofile(fileo)
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fileo.close()
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print('wrote file:',fileoutput1)
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if (len(TX)>0):
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if (fileoutput2!=None):
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fileo=open(fileoutput2,'wb')
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if (fileo==-1):
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print('error cannot open file for writing:',fileoutput2)
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return
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TX.tofile(fileo)
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fileo.close()
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print('wrote file:',fileoutput2)
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pass
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def usage():
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print('Possible usages: ')
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print('1. Convert from binary to text header file:')
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print('\t\targs: bin <binary file RX> <binary file TX> <output text file>')
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print('2. Convert from binary from 16bit to 24bit then output to text header file:')
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print('\t\targs: bin16 <binary file RX> <binary file TX> <output text file>')
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print('3. Convert from binary from 16bit to 24bit then output to text header file and binary file')
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print('\t\targs: bin16 <binary file RX> <binary file TX> <output text file> <binary rx file> <binary tx file>')
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print('4. Convert from binary from 24bit to 16bit then output to text header file:')
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print('\t\targs: bin24 <binary file RX> <binary file TX> <output text file>')
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print('5. Convert from binary from 24bit to 16bit then output to text header file and binary file')
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print('\t\targs: bin24 <binary file RX> <binary file TX> <output text file> <binary rx file> <binary tx file>')
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print('6. Convert from text to binary file')
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print('\t\targs: txt <text file> <output binary file RX> <output binary file TX>')
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print('7. Convert from text 16bit to 24bit to text file')
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print('\t\targs: txt16 <text file> <text output file>')
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print('8. Convert from text 16bit to 24bit to text file and binary files')
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print('\t\targs: txt16 <text file> <text output file> <output binary file RX> <output binary file TX>')
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print('9. Convert from text 24bit to 16bit to text file')
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print('\t\targs: txt24 <text file> <text output file>')
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print('10. Convert from text 24bit to 16bit to text file and binary files')
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print('\t\targs: txt24 <text file> <text output file> <output binary file RX> <output binary file TX>')
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return
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def main(argv):
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print('CSPL config string conversion used for android system')
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if (len(argv)<4):
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usage()
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return
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global arrayelementsize
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print("python version: ",sys.version_info)
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print("Current Os name: ",os.name)
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validsize=0
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for r in ['l','i']:
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arrayelementsize=r
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t=array.array(arrayelementsize)
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if (t.itemsize==4):
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validsize=1
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break
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if (validsize!=1):
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print("Expected element size donot match firmware requirement")
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if (argv[1]=='bin'):
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binary2header(argv[2],argv[3],argv[4],0)
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elif (argv[1]=='txt'):
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header2binary(argv[2],None,0,argv[3],argv[4])
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elif (argv[1]=='bin16'):
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if (len(argv)==5):
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binary2header(argv[2],argv[3],argv[4],1,None,None)
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elif (len(argv)==7):
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binary2header(argv[2],argv[3],argv[4],1,argv[5],argv[6])
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elif (argv[1]=='bin24'):
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if (len(argv)==5):
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binary2header(argv[2],argv[3],argv[4],2,None,None)
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elif (len(argv)==7):
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binary2header(argv[2],argv[3],argv[4],2,argv[5],argv[6])
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elif (argv[1]=='txt16'):
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if (len(argv)==4):
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header2binary(argv[2],argv[3],1,None,None)
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elif (len(argv)==6):
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header2binary(argv[2],argv[3],1,argv[4],argv[5])
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elif (argv[1]=='txt24'):
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if (len(argv)==4):
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header2binary(argv[2],argv[3],2,None,None)
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elif (len(argv)==6):
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header2binary(argv[2],argv[3],2,argv[4],argv[5])
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else :
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usage()
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return
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if __name__ == "__main__":
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main(sys.argv)
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