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8bit 變數宣告定址問題
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中級會員
中級會員


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小弟目前在使用16bit mcu做產品開發
遇到一些變數宣告的問題:
我要如何宣告一個8bit的固定位址變數?
小弟使用如下:
volatile uchar DummyByte __attribute__((address(0x0A00)));
DummyByte 的位址是固定在0x0a00了,但卻是2個byte?

另外宣告一個8bit的陣列變數卻無法定址
volatile uchar Buffer[64] __attribute__((address(0x0D00)));
Compiler 會亂安排位址,但它卻是可以1個byte的形態!

高手可以告訴小弟如何宣告一個8bit的固定位址變數以及
如何宣告一個8bit的固定位址陣列變數嗎?

發表於: 2009/2/7 19:05
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