hm
fc10ef2e10
GD32F470ZGT6 based project with full peripheral support: - SDRAM (W9825G6KH) via EXMC - LCD NT35510 (480x800) via EXMC NOR/PSRAM - Flash (W25Q64) via SPI - UART (USART0) debug console - LED indicators - CMSIS-DAP debug interface - CMake + ARM GCC toolchain build system
48 lines
1.3 KiB
Python
48 lines
1.3 KiB
Python
# -*- coding: utf-8 -*-
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import sys
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import os
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# 尝试用简单方法读取PDF
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pdf_path = "LSPi_Project/doc/梁山Pi开发板.pdf"
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# 方法1: 尝试使用pdfminer（如果可用）
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try:
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from pdfminer.high_level import extract_text
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text = extract_text(pdf_path)
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print("=== PDF内容 (pdfminer) ===")
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print(text[:3000])
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sys.exit(0)
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except ImportError:
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print("pdfminer不可用")
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# 方法2: 尝试用二进制读取并查找可打印字符
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try:
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with open(pdf_path, 'rb') as f:
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data = f.read()
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# 提取可打印ASCII字符
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text_chars = []
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for byte in data:
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if 32 <= byte < 127: # 可打印ASCII
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text_chars.append(chr(byte))
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elif byte == 10 or byte == 13: # 换行符
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text_chars.append('\n')
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text = ''.join(text_chars)
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# 查找可能有用的部分
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lines = text.split('\n')
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useful_lines = []
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keywords = ['pin', 'gpio', 'uart', 'i2c', 'spi', 'adc', 'timer', 'usart', 'tx', 'rx', 'scl', 'sda', 'miso', 'mosi', 'sck', 'cs']
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for line in lines:
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line_lower = line.lower()
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if any(keyword in line_lower for keyword in keywords):
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useful_lines.append(line)
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print("=== 提取的有用信息 ===")
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for line in useful_lines[:50]:
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print(line)
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except Exception as e:
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print(f"错误: {e}") |