DMAAudioChannel Struct Reference

DMA audio channel structure. More...

#include <_dmagic.h>

Public Attributes
uint8_t	enable
	Enable Audio DMA channel X (offset 0x00) More...
union {
struct {
uint8_t   baddr_lsb
	Base address LSB (offset 0x01) More...
uint8_t   baddr_msb
	Base address MSB (offset 0x02) More...
uint8_t   baddr_mb
	Base address middle byte (offset 0x03) More...
}
};
union {
struct {
uint8_t   freq_lsb
	Frequency LSB (offset 0x04) More...
uint8_t   freq_mb
	Frequency middle byte (offset 0x05) More...
uint8_t   freq_msb
	Frequency MSB (offset 0x06) More...
}
};
union {
struct {
uint8_t   taddr_lsb
	Top address LSB (offset 0x07) More...
uint8_t   taddr_msb
	Top address MSB (offset 0x08) More...
}
};
uint8_t	volume
	playback volume (offset 0x09) More...
union {
struct {
uint8_t   curaddr_lsb
	Current address LSB (offset 0x0a) More...
uint8_t   curaddr_mb
	Current address middle byte (offset 0x0b) More...
uint8_t   curaddr_msb
	Current address MSB (offset 0x0c) More...
}
};
union {
struct {
uint8_t   tmraddr_lsb
	Timing counter LSB (offset 0x0d) More...
uint8_t   tmraddr_mb
	Timing counter middle byte (offset 0x0e) More...
uint8_t   tmraddr_msb
	Timing counter MSB (offset 0x0f) More...
}
};

Detailed Description

DMA audio channel structure.

Member Data Documentation

union { ... }

union { ... }

union { ... }

union { ... }

union { ... }

baddr_lsb

uint8_t DMAAudioChannel::baddr_lsb

Base address LSB (offset 0x01)

baddr_mb

uint8_t DMAAudioChannel::baddr_mb

Base address middle byte (offset 0x03)

baddr_msb

uint8_t DMAAudioChannel::baddr_msb

Base address MSB (offset 0x02)

curaddr_lsb

uint8_t DMAAudioChannel::curaddr_lsb

Current address LSB (offset 0x0a)

curaddr_mb

uint8_t DMAAudioChannel::curaddr_mb

Current address middle byte (offset 0x0b)

curaddr_msb

uint8_t DMAAudioChannel::curaddr_msb

Current address MSB (offset 0x0c)

enable

uint8_t DMAAudioChannel::enable

Enable Audio DMA channel X (offset 0x00)

freq_lsb

uint8_t DMAAudioChannel::freq_lsb

Frequency LSB (offset 0x04)

freq_mb

uint8_t DMAAudioChannel::freq_mb

Frequency middle byte (offset 0x05)

freq_msb

uint8_t DMAAudioChannel::freq_msb

Frequency MSB (offset 0x06)

taddr_lsb

uint8_t DMAAudioChannel::taddr_lsb

Top address LSB (offset 0x07)

taddr_msb

uint8_t DMAAudioChannel::taddr_msb

Top address MSB (offset 0x08)

tmraddr_lsb

uint8_t DMAAudioChannel::tmraddr_lsb

Timing counter LSB (offset 0x0d)

tmraddr_mb

uint8_t DMAAudioChannel::tmraddr_mb

Timing counter middle byte (offset 0x0e)

tmraddr_msb

uint8_t DMAAudioChannel::tmraddr_msb

Timing counter MSB (offset 0x0f)

volume

uint8_t DMAAudioChannel::volume

playback volume (offset 0x09)

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The documentation for this struct was generated from the following file:

• mega65/_dmagic.h