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procedure Set_Device_Address
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(This : in out VL53L0X_Ranging_Sensor;
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Addr : HAL.I2C.I2C_Address;
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Status : out Boolean)
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is
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begin
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Write (This, REG_I2C_SLAVE_DEVICE_ADDRESS, UInt8 (Addr / 2), Status);
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if Status then
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This.I2C_Address := Addr;
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end if;
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end Set_Device_Address;
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---------------
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-- Data_Init --
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---------------
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procedure Data_Init
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(This : in out VL53L0X_Ranging_Sensor;
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Status : out Boolean)
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is
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Regval : UInt8;
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begin
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-- Set I2C Standard mode
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Write (This, 16#88#, UInt8'(16#00#), Status);
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if not Status then
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return;
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end if;
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-- This.Device_Specific_Params.Read_Data_From_Device_Done := False;
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--
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-- -- Set default static parameters:
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-- -- set first temporary value 9.44MHz * 65536 = 618_660
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-- This.Device_Specific_Params.Osc_Frequency := 618_660;
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--
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-- -- Set default cross talk compenstation rate to 0
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-- This.Device_Params.X_Talk_Compensation_Rate_Mcps := 0.0;
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--
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-- This.Device_Params.Device_Mode := Single_Ranging;
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-- This.Device_Params.Histogram_Mode := Disabled;
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-- TODO: Sigma estimator variable
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if Status then
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Write (This, 16#80#, UInt8'(16#01#), Status);
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end if;
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if Status then
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Write (This, 16#FF#, UInt8'(16#01#), Status);
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end if;
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if Status then
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Write (This, 16#00#, UInt8'(16#00#), Status);
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end if;
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if Status then
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Read (This, 16#91#, This.Stop_Variable, Status);
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end if;
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if Status then
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Write (This, 16#00#, UInt8'(16#01#), Status);
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end if;
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if Status then
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Write (This, 16#FF#, UInt8'(16#00#), Status);
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end if;
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if Status then
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Write (This, 16#80#, UInt8'(16#00#), Status);
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end if;
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-- disable SIGNAL_RATE_MSRC (bit 1) and SIGNAL_RATE_PRE_RANGE (bit 4)
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-- limit checks
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if Status then
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Read (This, REG_MSRC_CONFIG_CONTROL, Regval, Status);
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end if;
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if Status then
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Write (This, REG_MSRC_CONFIG_CONTROL, Regval or 16#12#, Status);
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end if;
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if Status then
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-- Set final range signal rate limit to 0.25 MCPS
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Status := Set_Signal_Rate_Limit (This, 0.25);
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end if;
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if Status then
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Write (This, REG_SYSTEM_SEQUENCE_CONFIG, UInt8'(16#FF#), Status);
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end if;
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end Data_Init;
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-----------------
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-- Static_Init --
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-----------------
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procedure Static_Init
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(This : in out VL53L0X_Ranging_Sensor;
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GPIO_Function : VL53L0X_GPIO_Functionality;
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Status : out Boolean)
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is
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type SPAD_Map is array (UInt8 range 1 .. 48) of Boolean
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with Pack, Size => 48;
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subtype SPAD_Map_Bytes is UInt8_Array (1 .. 6);
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function To_Map is new Ada.Unchecked_Conversion
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(SPAD_Map_Bytes, SPAD_Map);
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