Programmable Gain Amplifier

Controlling the PGA in SDADC. More...

Functions
__STATIC_INLINE void	hw_sdadc_pga_set_gain (HW_SDADC_PGA_GAIN gain)
	Set the PGA gain. More...
__STATIC_INLINE HW_SDADC_PGA_GAIN	hw_sdadc_pga_get_gain (void)
	Get the PGA gain status. More...
__STATIC_INLINE void	hw_sdadc_pga_set_mode (HW_SDADC_PGA_MODE mode)
	Set the PGA branch mode. Use PGA in single ended/differential mode. More...
__STATIC_INLINE HW_SDADC_PGA_MODE	hw_sdadc_pga_get_mode (void)
	Get the PGA branch mode status. More...
__STATIC_INLINE void	hw_sdadc_pga_mute (void)
	Mute the PGA. More...
__STATIC_INLINE void	hw_sdadc_pga_unmute (void)
	Un-mute the PGA. More...
__STATIC_INLINE bool	hw_sdadc_pga_is_mute (void)
	Get the PGA mute status. More...
__STATIC_INLINE void	hw_sdadc_pga_set_bias (HW_SDADC_PGA_BIAS bias)
	Set the PGA bias. More...
__STATIC_INLINE HW_SDADC_PGA_BIAS	hw_sdadc_pga_get_bias (void)
	Get the PGA bias status. More...
__STATIC_INLINE void	hw_sdadc_pga_short_inputs (void)
	Short the PGA input channels. More...
__STATIC_INLINE void	hw_sdadc_pga_unshort_inputs (void)
	Disconnect the short-circuited PGA input channels. More...
__STATIC_INLINE bool	hw_sdadc_pga_inputs_are_shorted (void)
	Get the PGA short-input status. More...
__STATIC_INLINE void	hw_sdadc_pga_select_enabled_channels (HW_SDADC_PGA_EN channels)
	Select the enabled PGA input channel(s) More...
__STATIC_INLINE HW_SDADC_PGA_GAIN	hw_sdadc_pga_enabled_channels_status (void)
	Get the PGA enabled input-channel status. More...
__STATIC_INLINE void	hw_sdadc_set_cic_offset (uint32_t val)
	Set the audio filter register. More...
__STATIC_INLINE uint32_t	hw_sdadc_get_cic_offset (void)
	Get the audio filter register status. More...

Detailed Description

Controlling the PGA in SDADC.

Function Documentation

hw_sdadc_get_cic_offset()

__STATIC_INLINE uint32_t hw_sdadc_get_cic_offset

(

void

)

Get the audio filter register status.

Constant CIC offset

Returns

cic offset

hw_sdadc_pga_enabled_channels_status()

__STATIC_INLINE HW_SDADC_PGA_GAIN hw_sdadc_pga_enabled_channels_status

(

void

)

Get the PGA enabled input-channel status.

Returns

PGA current gain

hw_sdadc_pga_get_bias()

__STATIC_INLINE HW_SDADC_PGA_BIAS hw_sdadc_pga_get_bias

(

void

)

Get the PGA bias status.

Returns

PGA current bias

hw_sdadc_pga_get_gain()

__STATIC_INLINE HW_SDADC_PGA_GAIN hw_sdadc_pga_get_gain

(

void

)

Get the PGA gain status.

Returns

PGA current gain

hw_sdadc_pga_get_mode()

__STATIC_INLINE HW_SDADC_PGA_MODE hw_sdadc_pga_get_mode

(

void

)

Get the PGA branch mode status.

Returns

PGA current mode of the positive and negative branches

hw_sdadc_pga_inputs_are_shorted()

__STATIC_INLINE bool hw_sdadc_pga_inputs_are_shorted

(

void

)

Get the PGA short-input status.

Returns

true if input channels are shorted, false otherwise

hw_sdadc_pga_is_mute()

__STATIC_INLINE bool hw_sdadc_pga_is_mute

(

void

)

Get the PGA mute status.

Returns

PGA is in mute or unmute state

hw_sdadc_pga_mute()

__STATIC_INLINE void hw_sdadc_pga_mute

(

void

)

Mute the PGA.

hw_sdadc_pga_select_enabled_channels()

__STATIC_INLINE void hw_sdadc_pga_select_enabled_channels

(

HW_SDADC_PGA_EN

channels

)

Select the enabled PGA input channel(s)

Parameters

[in]

channels

selection of channel to enable

hw_sdadc_pga_set_bias()

__STATIC_INLINE void hw_sdadc_pga_set_bias

(

HW_SDADC_PGA_BIAS

bias

)

Set the PGA bias.

Parameters

[in]

bias

PGA bias control value

hw_sdadc_pga_set_gain()

__STATIC_INLINE void hw_sdadc_pga_set_gain

(

HW_SDADC_PGA_GAIN

gain

)

Set the PGA gain.

Parameters

[in]

gain

gain of the PGA

hw_sdadc_pga_set_mode()

__STATIC_INLINE void hw_sdadc_pga_set_mode

(

HW_SDADC_PGA_MODE

mode

)

Set the PGA branch mode. Use PGA in single ended/differential mode.

Parameters

[in]

mode

mode of the PGA positive and negative branches

hw_sdadc_pga_short_inputs()

__STATIC_INLINE void hw_sdadc_pga_short_inputs

(

void

)

Short the PGA input channels.

hw_sdadc_pga_unmute()

__STATIC_INLINE void hw_sdadc_pga_unmute

(

void

)

Un-mute the PGA.

hw_sdadc_pga_unshort_inputs()

__STATIC_INLINE void hw_sdadc_pga_unshort_inputs

(

void

)

Disconnect the short-circuited PGA input channels.

hw_sdadc_set_cic_offset()

__STATIC_INLINE void hw_sdadc_set_cic_offset

(

uint32_t

val

)

Set the audio filter register.

Constant CIC offset

Parameters

[in]

val