2016-11-20 16:05:16 +08:00
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#ifndef BIT_H
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#define BIT_H
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2016-08-10 23:43:20 +08:00
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#define BITBAND(addr, bitnum) ((addr & 0xF0000000) + 0x2000000 + ((addr & 0xFFFFF) << 5) + (bitnum<<2))
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#define BIT_ADDR(addr, bitnum) *((volatile unsigned long *)(BITBAND(addr, bitnum)))
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#endif
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