import os, sys, io
sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8', errors='replace')

ROOTS = [
    'V1.5/STM32F103_App1/HardWare',
    'V1.5/STM32F103_App1/Src',
    'V1.5/STM32F103_App1/Inc',
    'V1.5/STM32F103_App1/m_app',
    'V1.5/STM32F103_BootLoader/HardWare',
    'V1.5/STM32F103_BootLoader/Src',
    'V1.5/STM32F103_BootLoader/m_app',
]

for root in ROOTS:
    for dirpath, _, files in os.walk(root):
        for fn in files:
            if not fn.endswith(('.c', '.h')):
                continue
            p = os.path.join(dirpath, fn)
            raw = open(p, 'rb').read()
            try:
                text = raw.decode('utf-8')
            except UnicodeDecodeError:
                print('SKIP (not utf-8):', p)
                continue
            try:
                out = text.encode('gbk')
                warn = ''
            except UnicodeEncodeError as e:
                out = text.encode('gbk', errors='replace')
                warn = '  [WARN 有字符被替换: %r]' % text[e.start:e.end]
            if out != raw:
                open(p, 'wb').write(out)
                print('converted:', p, warn)