读d12中断寄存器，竟然是3

读d12中断寄存器，竟然是3，而且我用bushound看数据，发现、bushound 收到的vid不是71， 04,而我发送的是 0x71, 0x40,
贴一下我的调试信息：
i_st=1
ep_last=21
input:
80 6 0 1 0 0 40 0 type=0, req=6
output:
12 1 10 1 0 0 0 10 71 4 66 6 0 1 0 0 i_st=2
in ep0_txdone, ep_last=0
output:
0 1 i_st=40

i_st=1
ep_last=21
input:
0 5 2 0 0 0 0 0 type=0, req=5
in setaddress:
SetAddressEnable=2
i_st=2
in ep0_txdone, ep_last=92
output:
i_st=2
in ep0_txdone, ep_last=c1
output:


i_st=3－－－－－－－－－－－－－－－－竟然是3
ep_last=21
input:
80 6 0 1 0 0 12 0 in ep0_txdone, ep_last=92
in ep0_txdone
output:
12 1 10 1 0 0 0 10 71 4 66 6 0 1 0 0 type=0, req=6
output:
12 1 10 1 0 0 0 10 71 4 66 6 0 1 0 0 i_st=2
in ep0_txdone, ep_last=cc
output:
0 1 i_st=40


i_st=1
ep_last=21
input:
80 6 0 1 0 0 40 0 type=0, req=6
output:
12 1 10 1 0 0 0 10 71 4 66 6 0 1 0 0 i_st=2
in ep0_txdone, ep_last=c1
output:
0 1 i_st=40


i_st=1
ep_last=21
input:
0 5 2 0 0 0 0 0 type=0, req=5
in setaddress:
SetAddressEnable=2
i_st=2
in ep0_txdone, ep_last=92
output:
i_st=2
in ep0_txdone, ep_last=c1
output:


i_st=3
ep_last=21
input:
80 6 0 1 0 0 12 0 in ep0_txdone, ep_last=92
in ep0_txdone
output:
12 1 10 1 0 0 0 10 71 4 66 6 0 1 0 0 type=0, req=6
output:
12 1 10 1 0 0 0 10 71 4 66 6 0 1 0 0 i_st=2
in ep0_txdone, ep_last=cc
output:
0 1 i_st=40
i_st=1
ep_last=21
input:
80 6 0 1 0 0 40 0 type=0, req=6
output:
12 1 10 1 0 0 0 10 71 4 66 6 0 1 0 0 i_st=2
in ep0_txdone, ep_last=c1
output:
0 1 i_st=40
i_st=1
ep_last=21
input:
0 5 2 0 0 0 0 0 type=0, req=5
in setaddress:
SetAddressEnable=2
i_st=2
in ep0_txdone, ep_last=92
output:
i_st=2
in ep0_txdone, ep_last=c1
output:
i_st=3
ep_last=21
input:
80 6 0 1 0 0 12 0 in ep0_txdone, ep_last=92
in ep0_txdone
output:
12 1 10 1 0 0 0 10 71 4 66 6 0 1 0 0 type=0, req=6
output:
12 1 10 1 0 0 0 10 71 4 66 6 0 1 0 0 i_st=2
in ep0_txdone, ep_last=cc

没有人做d12吗？知道请指教，谢谢

好象是你清中断的位置不对，或串口太慢导致中断重入。

我用的是44b0x+d12,出中断处理程序后rI_ISPC = BIT_EINT0，清中断寄存器是通过D12_ReadLastTransactionStatus实现的


[编辑 -  7/30/04 by  hi_snake]