IDE BSP Overview

A BSP is required so that the IDE driver will work on a particular system. The functions shown in the table below must be implemented.

Table - IDE BSP functions

Function	Description
`FSDev_IDE_BSP_Open()`	Open (initialize) hardware.
`FSDev_IDE_BSP_Close()`	Close (uninitialize) hardware.
`FSDev_IDE_BSP_Lock()`	Acquire IDE bus lock.
`FSDev_IDE_BSP_Unlock()`	Release IDE bus lock.
`FSDev_IDE_BSP_Reset()`	Hardware-reset IDE device
`FSDev_IDE_BSP_RegRd()`	Read from IDE device register.
`FSDev_IDE_BSP_RegWr()`	Write to IDE device register.
`FSDev_IDE_BSP_CmdWr()`	Write command to IDE device register.
`FSDev_IDE_BSP_DataRd()`	Read data from IDE device.
`FSDev_IDE_BSP_DataWr()`	Write data to IDE device.
`FSDev_IDE_BSP_DMA_Start()`	Setup DMA for command (Initialize channel).
`FSDev_IDE_BSP_DMA_End()`	End DMA transfer (and uninitialize channel).
`FSDev_IDE_BSP_GetDrvNbr()`	Get IDE drive number.
`FSDev_IDE_BSP_GetModesSupported()`	Get supported transfer modes.
`FSDev_IDE_BSP_SetMode()`	Set transfer modes.
`FSDev_IDE_BSP_Dly400_ns()`	Delay for 400 ns.

Figure - Command execution