Portwell WADE-8210-H110, Руководство пользователя

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WADE-8210-H110
Copyright © Portwell 2017 WADE-8210-H110 User's Guide 33
/* IpcDIOSetInputMode Funtion
User can setting DIO is input mode ,The input mode can read out DIO status to value.
// MmioOffset – User setting DIO input mode
//Return Value – DIO read out status
*/
int IpcDIOSetInputMode(UINT32 MmioOffset)
{
UINT32 Data = 0;
UINT32 value = 0;
//Input Mode,BIT8 Set 1 & BIT9 Set 0
Data = (MmioRead32(MmioOffset) | (0x00000100)) & ~( 0x00000200);
MmioWrite32( MmioOffset, Data);
//Read out DIO status
value = MmioRead32(MmioOffset);
value = value & 0x00000002;
//Return DIO status
If(value)
return 1; //callback Hgih
else
return 0; //callback Low
}
//Example DIO1 setting input mode: