Add DMA definitions
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@955 42af7a65-404d-4744-a932-0658087f49c3
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patacongo
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@ -47,7 +47,12 @@
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* Definitions
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*******************************************************************************/
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/* USB Register definitions */
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/* USB RAM ********************************************************************/
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#define LPC214X_USBDEV_RAMBASE (0x7fd00000)
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#define LPC214X_USBDEV_RAMSIZE (8*1024)
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/* USB register address definitions ********************************************/
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#define LPC214X_USBDEV_PLLCON (0xe01fc0a0)
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#define LPC214X_USBDEV_PLLCFG (0xe01fc0a4)
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@ -60,6 +65,13 @@
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#define LPC214X_USBDEV_DEVINTEN (0xe0090004)
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#define LPC214X_USBDEV_DEVINTCLR (0xe0090008)
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#define LPC214X_USBDEV_DEVINTSET (0xe009000c)
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#define LPC214X_USBDEV_CMDCODE (0xe0090010)
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#define LPC214X_USBDEV_CMDDATA (0xe0090014)
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#define LPC214X_USBDEV_RXDATA (0xe0090018)
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#define LPC214X_USBDEV_TXDATA (0xe009001c)
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#define LPC214X_USBDEV_RXPLEN (0xe0090020)
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#define LPC214X_USBDEV_TXPLEN (0xe0090024)
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#define LPC214X_USBDEV_CTRL (0xe0090028)
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#define LPC214X_USBDEV_DEVINTPRI (0xe009002c)
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#define LPC214X_USBDEV_EPINTST (0xe0090030)
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#define LPC214X_USBDEV_EPINTEN (0xe0090034)
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@ -69,22 +81,17 @@
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#define LPC214X_USBDEV_REEP (0xe0090044)
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#define LPC214X_USBDEV_EPIND (0xe0090048)
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#define LPC214X_USBDEV_MAXPSIZE (0xe009004c)
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#define LPC214X_USBDEV_RXDATA (0xe0090018)
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#define LPC214X_USBDEV_RXPLEN (0xe0090020)
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#define LPC214X_USBDEV_TXDATA (0xe009001c)
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#define LPC214X_USBDEV_TXPLEN (0xe0090024)
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#define LPC214X_USBDEV_CTRL (0xe0090028)
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#define LPC214X_USBDEV_CMDCODE (0xe0090010)
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#define LPC214X_USBDEV_CMDDATA (0xe0090014)
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#define LPC214X_USBDEV_DMARST (0xe0090050)
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#define LPC214X_USBDEV_DMARCLR (0xe0090054)
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#define LPC214X_USBDEV_DMARSET (0xe0090058)
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#define LPC214X_USBDEV_UDCAH (0xe0090080)
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#define LPC214X_USBDEV_EpDMASt (0xe0090084)
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#define LPC214X_USBDEV_EPDMAST (0xe0090084)
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#define LPC214X_USBDEV_EPDMAEN (0xe0090088)
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#define LPC214X_USBDEV_EPDMADIS (0xe009008c)
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#define LPC214X_USBDEV_DMAINTST (0xe0090090)
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#define LPC214X_USBDEV_DMAINTEN (0xe0090094)
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#define LPC214X_USBDEV_EOTINTST (0xe00900a0)
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#define LPC214X_USBDEV_EOTINTCLR (0xe00900a4)
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#define LPC214X_USBDEV_EOTINTSET (0xe00900a8)
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@ -95,6 +102,8 @@
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#define LPC214X_USBDEV_SYSERRINTCLR (0xe00900bc)
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#define LPC214X_USBDEV_SYSERRINTSET (0xe00900c0)
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/* USB register bit definitions ************************************************/
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/* INTST bit definitions */
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#define USBDEV_INTST_REQLP (0x00000001)
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@ -157,7 +166,27 @@
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#define USBDEV_DMAINST_SE (0x00000004)
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#define USBDEV_DMAINST_MASK (0x00000007)
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/* Endpoints */
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/* Device Status Bits */
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#define USBDEV_DEVSTATUS_CONNECT (0x00000001) /* Bit 0: Connected */
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#define USBDEV_DEVSTATUS_CONNCHG (0x00000002) /* Bit 1: Connect change */
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#define USBDEV_DEVSTATUS_SUSPEND (0x00000004) /* Bit 2: Suspend */
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#define USBDEV_DEVSTATUS_SUSPCHG (0x00000008) /* Bit 3: Suspend change */
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#define USBDEV_DEVSTATUS_RESET (0x00000002) /* Bit 4: Bus reset bit */
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#define USBDEV_EPSTALL (0x00000001)
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#define USBDEV_EPSTALLSTATUS (0x00000002)
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#define USBDEV_EPSETUPPACKET (0x00000004)
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#define USBDEV_EPPOSSTATUS (0x00000010)
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#define USBDEV_EPCONDSTALL (0x00000080)
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/* USB Control register bit definitions */
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#define LPC214X_USBCTRL_RDEN (0x00000001)
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#define LPC214X_USBCTRL_WREN (0x00000002)
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#define LPC214X_USBCTRL_EPMASK (0x0000003c)
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/* Endpoints *******************************************************************/
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#define LPC214X_EP0_OUT 0
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#define LPC214X_EP0_IN 1
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@ -195,11 +224,7 @@
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#define LPC214X_EP15_IN 31
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#define LPC214X_NUMEPS 32
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/* Mapping to more traditional endpoint numbers */
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#define LPC214X_EP_LOG2PHYOUT(ep) ((ep)&0x0f)<<1))
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#define LPC214X_EP_LOG2PHYIN(ep) (LPC214X_EP_OUT(ep) + 1)
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#define LPC214X_EP_LOG2PHY(ep) ((((ep)&0x0f)<<1)|(((ep)&0x80)>>7))
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/* Commands ********************************************************************/
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/* USB Command Code Register -- Command phase values */
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@ -227,26 +252,64 @@
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#define CMD_USB_EP_CLRBUFFER (0x00f2)
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#define CMD_USB_EP_VALIDATEBUFFER (0x00fa)
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/* Device Status Bits */
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/* Command Data ****************************************************************/
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#define USBDEV_DEVSTATUS_CONNECT (0x00000001) /* Bit 0: Connected */
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#define USBDEV_DEVSTATUS_CONNCHG (0x00000002) /* Bit 1: Connect change */
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#define USBDEV_DEVSTATUS_SUSPEND (0x00000004) /* Bit 2: Suspend */
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#define USBDEV_DEVSTATUS_SUSPCHG (0x00000008) /* Bit 3: Suspend change */
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#define USBDEV_DEVSTATUS_RESET (0x00000002) /* Bit 4: Bus reset bit */
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/* DEV SETADDRESS command bits */
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#define USBDEV_EPSTALL (0x00000001)
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#define USBDEV_EPSTALLSTATUS (0x00000002)
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#define USBDEV_EPSETUPPACKET (0x00000004)
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#define USBDEV_EPPOSSTATUS (0x00000010)
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#define USBDEV_EPCONDSTALL (0x00000080)
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#define CMD_USB_SETADDRESS_DEVEN (0x80)
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/* USB Control register bit definitions */
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/* Command Responses ***********************************************************/
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#define LPC214X_USBCTRL_RDEN (0x00000001)
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#define LPC214X_USBCTRL_WREN (0x00000002)
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/* EP CLRBUFFER response */
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#define CMD_USB_CLRBUFFER_PO (0x00000001)
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/* DMA *************************************************************************/
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/* The DMA descriptor */
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#define USB_DMADESC_NEXTDDPTR 0 /* Offset 0: Next USB descriptor in RAM */
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#define USB_DMADESC_CONFIG 1 /* Offset 1: DMA configuration info. */
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#define USB_DMADESC_STARTADDR 2 /* Offset 2: DMA start address */
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#define USB_DMADESC_STATUS 3 /* Offset 3: DMA status info (read only) */
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#define USB_DMADESC_ISOCSIZEADDR 4 /* Offset 4: Isoc. packet size address */
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/* Bit settings for offset 1 */
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#define USB_DMADESC_MODENORMAL (0x00000000) /* Bits 0-1=00: Mode normal */
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#define USB_DMADESC_MODEATLE (0x00000001) /* Bits 0-1=01: ATLE normal */
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#define USB_DMADESC_NEXTDDVALID (0x00000004) /* Bit 2=1: next descriptor valid */
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#define USB_DMADESC_ISCOEP (0x00000010) /* Bit 4=1: isoc endpoint */
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#define USB_DMADESC_PKTSIZEMASK (0x0000ffe0) /* Bits 5-15: packet size */
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#define USB_DMADESC_PKTSIZESHIFT (5) /* Bits 5-15: packet size */
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#define USB_DMADESC_BUFLENMASK (0xffff0000) /* Bits 16-31: buffer length */
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#define USB_DMADESC_BULENSHIFT (16) /* Bits 16-31: buffer length */
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/* Bit settings for offset 3 (all must be initialized to zero) */
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#define USB_DMADESC_STATUSMASK (0x0000001e) /* Bits 1-4: DMA status */
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#define USB_DMADESC_NOTSERVICED (0x00000000)
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#define USB_DMADESC_BEINGSERVICED (0x00000002)
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#define USB_DMADESC_NORMALCOMPLETION (0x00000004)
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#define USB_DMADESC_DATAUNDERRUN (0x00000006)
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#define USB_DMADESC_DATAOVERRUN (0x00000010)
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#define USB_DMADESC_SYSTEMERROR (0x00000012)
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#define USB_DMADESC_PKTVALID (0x00000020) /* Bit 5=1: Packet valid */
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#define USB_DMADESC_LSBEXTRACTED (0x00000040) /* Bit 6=1: LS byte extracted */
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#define USB_DMADESC_MSBEXTRACTED (0x00000080) /* Bit 7=1: MS byte extracted */
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#define USB_DMADESC_MSGLENPOSMASK (0x00003f00) /* Bits 8-13: Message length position */
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#define USB_DMADESC_MSGLENPOSSHIFT (8) /* Bits 8-13: Message length position */
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#define USB_DMADESC_DMACOUNTMASK (0xffff0000) /* Bits 16-31: DMA count */
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#define USB_DMADESC_DMACOUNTSHIFT (16) /* Bits 16-31: DMA count */
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/* DMA packet size format */
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#define USB_DMAPKTSIZE_PKTLENMASK (0x0000ffff) /* Bits 0-15: Packet length */
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#define USB_DMAPKTSIZE_PKTLENSHIFT (0) /* Bits 0-15: Packet length */
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#define USB_DMAPKTSIZE_PKTVALID (0x00010000) /* Bit 16=1: Packet valid */
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#define USB_DMAPKTSIZE_FRAMENOMASK (0xfffe0000) /* Bit 17-31: Frame number */
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#define USB_DMAPKTSIZE_FRAMENOSHIFT (17) /* Bit 17-31: Frame number */
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#define USBDEV_PACKETOVERWRITTEN (0x00000001)
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/*******************************************************************************
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* Private Types
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