text
stringlengths 0
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Ret := Ret + Msrc_Dcc_Tcc_Timeout + Msrc_Overhead;
|
end if;
|
end if;
|
if Sequence_Steps (Pre_Range) then
|
Pre_Range_Timeout := Sequence_Step_Timeout (This, Pre_Range);
|
Ret := Ret + Pre_Range_Timeout + Pre_Range_Overhead;
|
end if;
|
if Sequence_Steps (Final_Range) then
|
Final_Range_Timeout := Sequence_Step_Timeout (This, Final_Range);
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Ret := Ret + Final_Range_Timeout + Final_Range_Overhead;
|
end if;
|
return Ret;
|
end Measurement_Timing_Budget;
|
-----------------------------------
|
-- Set_Measurement_Timing_Budget --
|
-----------------------------------
|
procedure Set_Measurement_Timing_Budget
|
(This : VL53L0X_Ranging_Sensor;
|
Budget_Micro_Seconds : HAL.UInt32;
|
Status : out Boolean)
|
is
|
Final_Range_Timing_Budget_us : UInt32;
|
Sequence_Steps : VL53L0x_Sequence_Step_Enabled;
|
Pre_Range_Timeout_us : UInt32 := 0;
|
Sub_Timeout : UInt32 := 0;
|
Msrc_Dcc_Tcc_Timeout : UInt32;
|
begin
|
Status := True;
|
Final_Range_Timing_Budget_us :=
|
Budget_Micro_Seconds - Start_Overhead - End_Overhead
|
- Final_Range_Overhead;
|
Sequence_Steps := Sequence_Step_Enabled (This);
|
if not Sequence_Steps (Final_Range) then
|
return;
|
end if;
|
if Sequence_Steps (TCC)
|
or else Sequence_Steps (MSRC)
|
or else Sequence_Steps (DSS)
|
then
|
Msrc_Dcc_Tcc_Timeout := Sequence_Step_Timeout (This, MSRC);
|
if Sequence_Steps (TCC) then
|
Sub_Timeout := Msrc_Dcc_Tcc_Timeout + Tcc_Overhead;
|
end if;
|
if Sequence_Steps (DSS) then
|
Sub_Timeout :=
|
Sub_Timeout + 2 * (Msrc_Dcc_Tcc_Timeout + Dss_Overhead);
|
elsif Sequence_Steps (MSRC) then
|
Sub_Timeout := Sub_Timeout + Msrc_Dcc_Tcc_Timeout + Msrc_Overhead;
|
end if;
|
end if;
|
if Sequence_Steps (Pre_Range) then
|
Pre_Range_Timeout_us := Sequence_Step_Timeout (This, Pre_Range);
|
Sub_Timeout :=
|
Sub_Timeout + Pre_Range_Timeout_us + Pre_Range_Overhead;
|
end if;
|
if Sub_Timeout < Final_Range_Timing_Budget_us then
|
Final_Range_Timing_Budget_us :=
|
Final_Range_Timing_Budget_us - Sub_Timeout;
|
else
|
-- Requested timeout too big
|
Status := False;
|
return;
|
end if;
|
declare
|
VCSel_Pulse_Period_Pclk : UInt8;
|
Encoded_UInt16 : UInt16;
|
Timeout_Mclks : UInt32;
|
begin
|
if Sequence_Steps (Pre_Range) then
|
VCSel_Pulse_Period_Pclk :=
|
VCSel_Pulse_Period (This, Pre_Range);
|
Read (This, REG_PRE_RANGE_CONFIG_TIMEOUT_MACROP_HI,
|
Encoded_UInt16, Status);
|
if Status then
|
Timeout_Mclks := Decode_Timeout (Encoded_UInt16);
|
end if;
|
else
|
Timeout_Mclks := 0;
|
end if;
|
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