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