def regSet(self, dev_type, addr, data): try: self._devAddrSet(dev_type) except Exception as e: self.logger.error("Set device address fail, error: " + str(e)) raise try: portio.iopl(3) except Exception as e: self.logger.error("LPC.regGet: iopl() enable failed") raise try: portio.ioperm(self.lpcAddr + addr, 4, 1) except Exception as e: self.logger.error("LPC.regGet: ioperm() enable failed") raise try: portio.outb(data, self.lpcAddr + addr) except Exception as e: self.logger.error("LPC.regGet: outb() failed") try: portio.ioperm(self.lpcAddr + addr, 4, 0) except Exception as e: self.logger.error("LPC.regGet: ioperm() disable failed") raise try: portio.iopl(0) except Exception as e: self.logger.error("LPC.regGet: iopl() disable failed") raise
def acquire_io_access_permission(): global iopl_flag # root privilege is required if not root_flag: verify_root_privilege() pass ret = portio.iopl(3) if ret == 0: iopl_flag = True print('INFO: I/O access is available (using root privileges)') pass return ret
#!/usr/bin/python3 import portio portio.iopl(3) portio.ioperm(0x2E, 2, 1) portio.outb_p(0x87, 0x2E) portio.outb_p(0x01, 0x2E) portio.outb_p(0x55, 0x2E) portio.outb_p(0x55, 0x2E) portio.outb_p(0x07, 0x2E) portio.outb_p(0x03, 0x2F) portio.outb_p(0xF0, 0x2E) f = portio.inb_p(0x2F) f ^= 0x08 portio.outb_p(f, 0x2F)
def __init__(self): portio.iopl(3) self.get_azel() pass
def __init__(self): portio.iopl(3) self.get_azel() pass