mirror of
https://github.com/ApacheThunder/nCard_USB_Examples.git
synced 2025-06-19 03:35:35 -04:00
e5a90c1121
* Initial commit of modified source code. * Arm7 for both apps appears to be some form of template arm7 setup. Perhaps from the ancient version of libnds this used to use. I just used the default arm7 template code from current version of libnds...seems to do the job.
62 lines
779 B
C
62 lines
779 B
C
#include "usbhal.h"
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#ifdef ARM9
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__inline
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void usbwrcmd(u8 val) //D12写命令
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{
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//*(vu8*)(0x0A000000+val) = 0xFF;
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*(vu16*)(0x09FFFFFE) = val;
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}
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__inline
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void usbwrdat(u8 val) //D12写数据
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{
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//*(vu8*)(0x0A000000+val) = 0xFE;
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*(vu16*)(0x09FDFFFE) = val;
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}
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__inline
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u8 usbrddat() //D12读
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{
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//*(vu8*)(0x0A00FFFF) = 0xFE;
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return *(vu16*)(0x09FDFFFE);
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}
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u16 usbreadid()
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{
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u16 id=0;
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usbwrcmd(0xFD);
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id=usbrddat();
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id|=(u16)usbrddat()<<8;
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return id;
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}
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#else
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void usbwrcmd(u8 val) //D12写命令
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{
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*(vu8*)(0x08020000) = val;
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}
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void usbwrdat(u8 val) //D12写数据
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{
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*(vu8*)(0x08000000) = val;
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}
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u8 usbrddat() //D12读
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{
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return *(vu8*)(0x08000000);
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}
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u16 usbreadid()
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{
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u16 id=0;
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usbwrcmd(0xFD);
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id=usbrddat();
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id|=(u16)usbrddat()<<8;
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return id;
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}
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#endif
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