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stringlengths 0
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|---|
This.SR.DMAUDR2 := False;
|
end case;
|
end Clear_Interrupt_Pending;
|
----------------------------
|
-- Select_Wave_Generation --
|
----------------------------
|
procedure Select_Wave_Generation
|
(This : in out Digital_To_Analog_Converter;
|
Channel : DAC_Channel;
|
Selection : Wave_Generation)
|
is
|
function As_UInt4 is new Ada.Unchecked_Conversion
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(Source => Noise_Wave_Mask_Selection, Target => UInt4);
|
function As_UInt4 is new Ada.Unchecked_Conversion
|
(Source => Triangle_Wave_Amplitude_Selection, Target => UInt4);
|
begin
|
case Channel is
|
when Channel_1 =>
|
This.CR.WAVE1 :=
|
Wave_Generation_Selection'Enum_Rep (Selection.Kind);
|
when Channel_2 =>
|
This.CR.WAVE2 :=
|
Wave_Generation_Selection'Enum_Rep (Selection.Kind);
|
end case;
|
case Selection.Kind is
|
when No_Wave_Generation =>
|
null;
|
when Noise_Wave =>
|
case Channel is
|
when Channel_1 =>
|
This.CR.MAMP1 := As_UInt4 (Selection.Mask);
|
when Channel_2 =>
|
This.CR.MAMP2 := As_UInt4 (Selection.Mask);
|
end case;
|
when Triangle_Wave =>
|
case Channel is
|
when Channel_1 =>
|
This.CR.MAMP1 := As_UInt4 (Selection.Amplitude);
|
when Channel_2 =>
|
This.CR.MAMP2 := As_UInt4 (Selection.Amplitude);
|
end case;
|
end case;
|
end Select_Wave_Generation;
|
------------------------------
|
-- Selected_Wave_Generation --
|
------------------------------
|
function Selected_Wave_Generation
|
(This : Digital_To_Analog_Converter;
|
Channel : DAC_Channel)
|
return Wave_Generation
|
is
|
Kind : Wave_Generation_Selection;
|
function As_Mask is new Ada.Unchecked_Conversion
|
(Target => Noise_Wave_Mask_Selection, Source => UInt4);
|
function As_Amplitude is new Ada.Unchecked_Conversion
|
(Target => Triangle_Wave_Amplitude_Selection, Source => UInt4);
|
begin
|
case Channel is
|
when Channel_1 =>
|
Kind := Wave_Generation_Selection'Val (This.CR.WAVE1);
|
when Channel_2 =>
|
Kind := Wave_Generation_Selection'Val (This.CR.WAVE2);
|
end case;
|
declare
|
Result : Wave_Generation (Kind);
|
begin
|
case Kind is
|
when No_Wave_Generation =>
|
null;
|
when Noise_Wave =>
|
case Channel is
|
when Channel_1 =>
|
Result.Mask := As_Mask (This.CR.MAMP1);
|
when Channel_2 =>
|
Result.Mask := As_Mask (This.CR.MAMP2);
|
end case;
|
when Triangle_Wave =>
|
case Channel is
|
when Channel_1 =>
|
Result.Amplitude := As_Amplitude (This.CR.MAMP1);
|
when Channel_2 =>
|
Result.Amplitude := As_Amplitude (This.CR.MAMP2);
|
end case;
|
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