#!/usr/bin/python3
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import sys
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import re
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# Convert DMT pdf to txt:
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# pdftotext -layout -f 18 -l 105 DMTr1\ v13.pdf DMT.txt
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# Path to the text file
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filepath = sys.argv[1]
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m = {}
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line = ""
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def parsei(key, regex, base=10):
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global m
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global line
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match = re.search(regex, line)
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if match != None:
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m[key] = int(match.group(1), base)
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def parsef(key, regex, base=10):
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global m
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global line
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match = re.search(regex, line)
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if match != None:
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m[key] = float(match.group(1))
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for line in open(filepath, 'r'):
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# each page starts with this
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if "VESA MONITOR TIMING STANDARD" in line:
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m = { }
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# each page ends with this
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if "VESA Display Monitor Timing Standard" in line:
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print("// {:#x} - {}".format(m["dmt_id"], m["name"]))
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flags = []
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if m["ilace"]:
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flags += [ "DRM_MODE_FLAG_INTERLACE" ]
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if m["hsp"]:
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flags += [ "DRM_MODE_FLAG_PHSYNC" ]
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else:
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flags += [ "DRM_MODE_FLAG_NHSYNC" ]
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if m["vsp"]:
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flags += [ "DRM_MODE_FLAG_PVSYNC" ]
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else:
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flags += [ "DRM_MODE_FLAG_NVSYNC" ]
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print("DRM_MODE(\"{}\", {}, {}, {}, {}, {}, {}, {}, {}, {}, {}),".format(
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m["name"],
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int(m["pclk"] * 1000),
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m["hact"], m["hfp"], m["hsw"], m["hbp"],
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m["vact"], m["vfp"], m["vsw"], m["vbp"],
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" | ".join(flags)
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))
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match = re.search("Timing Name\s+=\s+([^;]+)", line)
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if match != None:
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m["name"] = str.strip(match.group(1))
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parsei("dmt_id", "EDID ID:\s+DMT ID: ([0-9A-Fa-f]+)h", 16)
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parsef("pclk", "Pixel Clock\s+=\s+(\d+\.\d+)")
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parsei("hact", "Hor Pixels\s+=\s+(\d+)")
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parsei("hfp", "H Front Porch.*\s(\d+) Pixels")
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parsei("hsw", "Hor Sync Time.*\s(\d+) Pixels")
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parsei("hbp", "H Back Porch.*\s(\d+) Pixels")
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parsei("vact", "Ver Pixels\s+=\s+(\d+)")
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parsei("vfp", "V Front Porch.*\s(\d+)\s+lines")
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parsei("vsw", "Ver Sync Time.*\s(\d+)\s+lines")
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parsei("vbp", "V Back Porch.*\s(\d+)\s+lines")
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match = re.search("Scan Type\s+=\s+(\w+);", line)
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if match != None:
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if match.group(1) == "NONINTERLACED":
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m["ilace"] = False
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elif match.group(1) == "INTERLACED":
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m["ilace"] = True
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else:
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print("Bad scan type")
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exit(-1)
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match = re.search("Hor Sync Polarity\s+=\s+(\w+)", line)
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if match != None:
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if match.group(1) == "POSITIVE":
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m["hsp"] = True
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elif match.group(1) == "NEGATIVE":
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m["hsp"] = False
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else:
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print("Bad hsync polarity")
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exit(-1)
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match = re.search("Ver Sync Polarity\s+=\s+(\w+)", line)
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if match != None:
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if match.group(1) == "POSITIVE":
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m["vsp"] = True
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elif match.group(1) == "NEGATIVE":
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m["vsp"] = False
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else:
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print("Bad vsync polarity")
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exit(-1)
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