收浮点数??(30分)

D

dreamya

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• 2002-09-02

• #1

我从串口收到一个32位的数，我怎么把他转换为浮点数显示出来，谢谢

 

I

iie

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• 2002-09-20

• #2

move(four_bytes, data_real32, 4);

 

M

mazhayang

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• 2002-09-22

• #3

var
s:^single;
copymem(byte,s,sizeof(single));
试试吧

 

D

dz2050

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GUEST, unregistred user!

• 2002-09-22

• #4

说得清楚一点？

 

M

mazhayang

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GUEST, unregistred user!

• 2002-09-23

• #5

var
s:^single; //转化的浮点数
b:array[1..4] of byte //4字节数据
begin
copymemory(s,@b,sizeof(single));
showmessage(formatfloat('0.####',s^));
end