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