51 lines
1.4 KiB
Python
51 lines
1.4 KiB
Python
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#!/usr/bin/env python3
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"""Compile MIPI-DBI panel init command text files into binary firmware blobs."""
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import sys
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MAGIC_HEADER = b"MIPI DBI\x00\x00\x00\x00\x00\x00\x00\x01"
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def compile_mipi_dbi(txt_path, bin_path):
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out = bytearray(MAGIC_HEADER)
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with open(txt_path, "r", encoding="utf-8") as f:
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for lineno, raw_line in enumerate(f, 1):
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line = raw_line.split("#", 1)[0].strip()
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if not line:
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continue
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parts = line.split()
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op = parts[0].lower()
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if op == "command":
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if len(parts) < 2:
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raise ValueError(f"{txt_path}:{lineno}: 'command' requires at least 1 byte")
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cmd = int(parts[1], 0)
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args = [int(x, 0) for x in parts[2:]]
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out.append(cmd & 0xFF)
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out.append(len(args) & 0xFF)
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for a in args:
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out.append(a & 0xFF)
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elif op == "delay":
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if len(parts) != 2:
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raise ValueError(f"{txt_path}:{lineno}: 'delay' requires 1 integer argument (ms)")
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ms = int(parts[1], 0)
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out.append(0x00)
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out.append(0x01)
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out.append(ms & 0xFF)
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else:
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raise ValueError(f"{txt_path}:{lineno}: unknown directive '{op}'")
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with open(bin_path, "wb") as wf:
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wf.write(out)
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def main():
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if len(sys.argv) != 3:
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print(f"Usage: {sys.argv[0]} <output.bin> <input.txt>", file=sys.stderr)
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sys.exit(1)
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compile_mipi_dbi(sys.argv[2], sys.argv[1])
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if __name__ == "__main__":
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main()
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