Altera SoCAL  16.0
The Altera SoC Abstraction Layer (SoCAL) API Reference Manual
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Register : Device IN Endpoint 12 DMA Buffer Address Register - diepdmab12

Description

DMA Buffer Address.

Register Layout

Bits Access Reset Description
[31:0] R Unknown DMA Buffer Address

Field : DMA Buffer Address - diepdmab12

Holds the current buffer address. This register is updated as and when the data transfer for the corresponding end point is in progress. This register is present only in Scatter/Gather DMA mode.

Field Access Macros:

#define ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12_LSB   0
 
#define ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12_MSB   31
 
#define ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12_WIDTH   32
 
#define ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12_SET_MSK   0xffffffff
 
#define ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12_CLR_MSK   0x00000000
 
#define ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12_RESET   0x0
 
#define ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12_GET(value)   (((value) & 0xffffffff) >> 0)
 
#define ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12_SET(value)   (((value) << 0) & 0xffffffff)
 

Data Structures

struct  ALT_USB_DEV_DIEPDMAB12_s
 

Macros

#define ALT_USB_DEV_DIEPDMAB12_OFST   0x29c
 
#define ALT_USB_DEV_DIEPDMAB12_ADDR(base)   ALT_CAST(void *, (ALT_CAST(char *, (base)) + ALT_USB_DEV_DIEPDMAB12_OFST))
 

Typedefs

typedef struct
ALT_USB_DEV_DIEPDMAB12_s 
ALT_USB_DEV_DIEPDMAB12_t
 

Data Structure Documentation

struct ALT_USB_DEV_DIEPDMAB12_s

WARNING: The C register and register group struct declarations are provided for convenience and illustrative purposes. They should, however, be used with caution as the C language standard provides no guarantees about the alignment or atomicity of device memory accesses. The recommended practice for writing hardware drivers is to use the SoCAL access macros and alt_read_word() and alt_write_word() functions.

The struct declaration for register ALT_USB_DEV_DIEPDMAB12.

Data Fields
const uint32_t diepdmab12: 32 DMA Buffer Address

Macro Definitions

#define ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12_LSB   0

The Least Significant Bit (LSB) position of the ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12 register field.

#define ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12_MSB   31

The Most Significant Bit (MSB) position of the ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12 register field.

#define ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12_WIDTH   32

The width in bits of the ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12 register field.

#define ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12_SET_MSK   0xffffffff

The mask used to set the ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12 register field value.

#define ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12_CLR_MSK   0x00000000

The mask used to clear the ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12 register field value.

#define ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12_RESET   0x0

The reset value of the ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12 register field is UNKNOWN.

#define ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12_GET (   value)    (((value) & 0xffffffff) >> 0)

Extracts the ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12 field value from a register.

#define ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12_SET (   value)    (((value) << 0) & 0xffffffff)

Produces a ALT_USB_DEV_DIEPDMAB12_DIEPDMAB12 register field value suitable for setting the register.

#define ALT_USB_DEV_DIEPDMAB12_OFST   0x29c

The byte offset of the ALT_USB_DEV_DIEPDMAB12 register from the beginning of the component.

#define ALT_USB_DEV_DIEPDMAB12_ADDR (   base)    ALT_CAST(void *, (ALT_CAST(char *, (base)) + ALT_USB_DEV_DIEPDMAB12_OFST))

The address of the ALT_USB_DEV_DIEPDMAB12 register.

Typedef Documentation

The typedef declaration for register ALT_USB_DEV_DIEPDMAB12.