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Rational R1000/400

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⟦3b91f7b2f⟧ Ada Source

    Length: 22528 (0x5800)
    Types: Ada Source
    Notes: 03_class, FILE, R1k_Segment, e3_tag, package body Clone, package body Mod101, seg_0503f1

Derivation

└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
    └─ ⟦cfc2e13cd⟧ »Space Info Vol 2« 
        └─⟦this⟧ 

E3 Source Code



with My_Functions;
with Simple_Io;
with Defined_Type;
with Vme;
with System;

-- **********************************
-- **** Instanced object : VSIP ****
-- **********************************
package body Clone is

    Base_Address_Vsip : System.Address;
    Plugged_Module : array (1 .. 4) of Defined_Type.Module_Vsip;


    -- **************************************************
    -- **** Internal procedure : Vsip register setup ****
    -- **************************************************
    procedure Initialize (Mask_Register1 : in Defined_Type.Octet) is
        Register_1 : Defined_Type.Octet;
        Register_2 : Defined_Type.Octet;
        Address_Register_1 : constant System.Address :=
           System."+" (Base_Address_Vsip, 1);
        Address_Register_2 : constant System.Address :=
           System."+" (Base_Address_Vsip, 3);
        for Register_1 use at Address_Register_1;
        for Register_2 use at Address_Register_2;
    begin
        Register_1 := Mask_Register1; -- module initializing
        Register_2 := 0;  
    end Initialize;

    -- ********************
    -- **** Vsip setup ****
    -- ********************
    procedure Setup is
        Vsip_Mask_Register1 : Defined_Type.Octet;
        Index : My_Functions.Data;
        use Defined_Type;
    begin
        -- **** Vsip Initialization **** --
        Plugged_Module (1) := Scim_0;
        Plugged_Module (2) := Scim_1;
        Plugged_Module (3) := Scim_2;
        Plugged_Module (4) := Scim_3;
        Vsip_Mask_Register1 := 0;

        -- search the good mask for register 1 of Vsip --
        Index := My_Functions.Data'First;
        for I in Plugged_Module'Range loop
            if Defined_Type."/=" (Plugged_Module (I), No_Module) then
                Vsip_Mask_Register1 := My_Functions.Set_Bit
                                          (Vsip_Mask_Register1, Index);
                Index := My_Functions.Data'Succ (Index);
            end if;
        end loop;
        -- search the finish Vsip address --
        Base_Address_Vsip := System."+"
                                (Base_Address, Vme.Addressing (Vme_Position));
        Initialize (Vsip_Mask_Register1);
    end Setup;

    -- **************************************
    -- **** return configuration of Vsip ****
    -- **************************************
    function Status (Register : Integer; Number : Positive)
                    return Defined_Type.Octet is
        Register_1 : Defined_Type.Octet;
        Register_2 : Defined_Type.Octet;
        Address_Register_1 : constant System.Address :=
           System."+" (Base_Address_Vsip, 1);
        Address_Register_2 : constant System.Address :=
           System."+" (Base_Address_Vsip, 3);
        for Register_1 use at Address_Register_1;
        for Register_2 use at Address_Register_2;
    begin
        if Number > 2 then
            raise Default_Reference_Register;
            return 0;
            if Number = 1 then
                return Register_1;
            else  
                return Register_2;
            end if;
        end if;
    end Status;

    -- ************************************
    -- **** instancied object : MOD101 ****
    -- ************************************
    package body Mod101 is

        Base_Address_Mod101 : System.Address;
        Base_Address_Mod101_1 : System.Address;
        Protection : Boolean := False;
        type Fonction is (Input, Output, Other);
        type Pin is
            record
                Groupe_Number : Group := No_Group;
                Signal_Title : My_Functions.Data;
                Pin_Function : Fonction := Other;
            end record;
        Connector : array (1 .. 50) of Pin;
        Pointer_Group_0 : array (1 .. 8) of Pin_No;
        Pointer_Group_1 : array (1 .. 8) of Pin_No;
        Pointer_Group_2 : array (1 .. 8) of Pin_No;
        Pointer_Group_3 : array (1 .. 8) of Pin_No;
        Pointer_Group_4 : array (1 .. 8) of Pin_No;
        use My_Functions;

        -- **************************************
        -- **** configure the instanced Vsip ****
        -- **************************************
        procedure Setup is
        begin
            --- configure address board Mod101 ---
            Base_Address_Mod101 :=
               System."+" (Base_Address_Module, Vme.Addressing (Vme_Position));
            Base_Address_Mod101_1 := System."+" (Base_Address_Mod101, 1);

            for I in Pointer_Group_0'Range loop
                Pointer_Group_0 (I) := (I + 2);
            end loop;
            for I in Pointer_Group_1'Range loop
                Pointer_Group_1 (I) := (I + 12);
            end loop;
            for I in Pointer_Group_2'Range loop
                Pointer_Group_2 (I) := (I + 22);
            end loop;
            for I in Pointer_Group_3'Range loop
                Pointer_Group_3 (I) := (I + 32);
            end loop;
            for I in 4 .. Pointer_Group_4'Last loop
                Pointer_Group_4 (I) := (I + 38);
            end loop;
            Pointer_Group_4 (1) := 12;
            Pointer_Group_4 (2) := 22;
            Pointer_Group_4 (3) := 32;
            Initialize_Protection;
        end Setup;

        -- **********************************************
        -- **** Have a control of the pin Type until ****
        -- **** use it like a output !!!             ****
        -- **********************************************
        procedure Protection_On is
        begin
            Protection := True;
        end Protection_On;

        -- **********************************************
        -- **** Not Have a control of the pin Type   ****
        -- **** until use it like a output !!        ****
        -- **********************************************
        procedure Protection_Off is
        begin
            Protection := False;
        end Protection_Off;

        procedure Initialize_Protection is
            Tampon : Data;
        begin
            Tampon := Data'First;
            for Index in Pointer_Group_0'Range loop
                Connector (Pointer_Group_0 (Index)) := (Group0, Tampon, Input);
                if Tampon /= Data'Last then
                    Tampon := Data'Succ (Tampon);
                end if;
            end loop;

            Tampon := Data'First;
            for Index in Pointer_Group_1'Range loop
                Connector (Pointer_Group_1 (Index)) := (Group1, Tampon, Input);
                if Tampon /= Data'Last then
                    Tampon := Data'Succ (Tampon);
                end if;
            end loop;

            Tampon := Data'First;
            for Index in Pointer_Group_2'Range loop
                Connector (Pointer_Group_2 (Index)) := (Group2, Tampon, Input);
                if Tampon /= Data'Last then
                    Tampon := Data'Succ (Tampon);
                end if;
            end loop;

            Tampon := Data'First;
            for Index in Pointer_Group_3'Range loop
                Connector (Pointer_Group_3 (Index)) := (Group3, Tampon, Input);
                if Tampon /= Data'Last then
                    Tampon := Data'Succ (Tampon);
                end if;
            end loop;

            Tampon := Data'First;
            for Index in Pointer_Group_4'Range loop
                Connector (Pointer_Group_4 (Index)) := (Group4, Tampon, Input);
                if Tampon /= Data'Last then
                    Tampon := Data'Succ (Tampon);
                end if;
            end loop;
        end Initialize_Protection;


        function Is_Protection_On return Boolean is
        begin
            return Protection;
        end Is_Protection_On;


        procedure Set_Input_Pin (Pin : in Pin_No) is
        begin
            if (Connector (Pin).Pin_Function /= Other) then
                Connector (Pin).Pin_Function := Input;
            else
                raise Pin_Error;
            end if;
        end Set_Input_Pin;


        procedure Set_Output_Pin (Pin : in Pin_No) is
        begin
            if (Connector (Pin).Pin_Function /= Other) then
                Connector (Pin).Pin_Function := Output;
            else
                raise Pin_Error;
            end if;
        end Set_Output_Pin;


        function Is_Pin_Output (Pin : Pin_No) return Boolean is
        begin
            return (Connector (Pin).Pin_Function = Output);
        end Is_Pin_Output;


        procedure Led_On is
            Pointer_1 : Defined_Type.Octet;
            for Pointer_1 use at Base_Address_Mod101;
        begin
            Pointer_1 := 16#81#;
        end Led_On;


        procedure Led_Off is
            Pointer_1 : Defined_Type.Octet;
            for Pointer_1 use at Base_Address_Mod101;
        begin
            Pointer_1 := 16#80#;
        end Led_Off;


        function Is_Led_On return Boolean is
        begin
            return False;
        end Is_Led_On;


        function Read_Pin (Pin : Pin_No) return Boolean is
            Value_Group : Defined_Type.Octet;
            Pin_Type : Data;
        begin
            if (Connector (Pin).Pin_Function /= Other) then
                Value_Group := Read_Group (Gp =>
                                              (Connector (Pin).Groupe_Number));
                return My_Functions.Test_Bit (Value_Group,
                                              Connector (Pin).Signal_Title);
            else
                raise Pin_Error;
            end if;
        end Read_Pin;


        function Read_Group (Gp : Group) return Defined_Type.Octet is           Pointer_1 : Defined_Type.Octet;
            for Pointer_1 use at Base_Address_Mod101;
            Pointer_2 : Defined_Type.Octet;
            for Pointer_2 use at Base_Address_Mod101_1;
        begin
            if Gp = No_Group then
                raise Group_Error;
            else
                Pointer_1 := Group'Pos (Gp);
                return Pointer_2;
            end if;
        end Read_Group;


        --  *******************************************
        --  ************  internal procedure  *********
        --  *******************************************
        procedure Write (To_Group : Group; Value_Gp : Defined_Type.Octet) is
            Pointer_1 : Defined_Type.Octet;
            for Pointer_1 use at Base_Address_Mod101;
            Pointer_2 : Defined_Type.Octet;
            for Pointer_2 use at Base_Address_Mod101_1;
        begin
            Pointer_1 := Group'Pos (To_Group);
            Pointer_2 := Value_Gp;

            -- enable for group --
            Pointer_1 := 16#90#;  -- output enable --
            case To_Group is
                when No_Group =>
                    raise Group_Error;
                when Group0 =>
                    Pointer_2 := 1;
                when Group1 =>
                    Pointer_2 := 2;
                when Group2 =>
                    Pointer_2 := 4;
                when Group3 =>
                    Pointer_2 := 8;
                when Group4 =>
                    Pointer_2 := 16;
            end case;
        end Write;

        --  ***********************************
        --  ***** procedure Write Pin *********
        --  ***********************************

        procedure Write_Pin (Pin : in Pin_No; Status : in Boolean) is
            Value_Group : Defined_Type.Octet;
        begin
            if (Connector (Pin).Pin_Function = Output) or not Protection then
                Value_Group := Read_Group (Gp => Connector (Pin).Groupe_Number);
                if Status then
                    Value_Group :=
                       My_Functions.Set_Bit
                          (Value_Group, Connector (Pin).Signal_Title);
                else
                    Value_Group :=
                       My_Functions.Reset_Bit
                          (Value_Group, Connector (Pin).Signal_Title);
                end if;
                Write (To_Group => Connector (Pin).Groupe_Number,
                       Value_Gp => Value_Group);
            else
                raise Pin_Error;
            end if;
        end Write_Pin;

        --  **********************************
        --  ***** procedure write group  *****
        --  **********************************


        procedure Write_Group (Gp : in Group; Value : in Defined_Type.Octet) is
            Authorized : Boolean;
            Index : Positive;
        begin
            Authorized := True;
            if Protection then
                Index := 1;
                case Gp is
                    when No_Group =>
                        raise Group_Error;
                    when Group0 =>
                        while Index in Pointer_Group_0'Range and Authorized loop
                            Authorized := (Connector (Pointer_Group_0 (Index)).
                                           Pin_Function = Output);
                            Index := Index + 1;
                        end loop;
                    when Group1 =>
                        while Index in Pointer_Group_0'Range and Authorized loop
                            Authorized := (Connector (Pointer_Group_0 (Index)).
                                           Pin_Function = Output);
                            Index := Index + 1;
                        end loop;
                    when Group2 =>
                        while Index in Pointer_Group_2'Range and Authorized loop
                            Authorized := (Connector (Pointer_Group_2 (Index)).
                                           Pin_Function = Output);
                            Index := Index + 1;
                        end loop;
                    when Group3 =>
                        while Index in Pointer_Group_3'Range and Authorized loop
                            Authorized := (Connector (Pointer_Group_3 (Index)).
                                           Pin_Function = Output);
                            Index := Index + 1;
                        end loop;
                    when Group4 =>
                        while Index in Pointer_Group_4'Range and Authorized loop
                            Authorized := (Connector (Pointer_Group_4 (Index)).
                                           Pin_Function = Output);
                            Index := Index + 1;
                        end loop;
                end case;
            end if;
            if Authorized then
                Write (To_Group => Gp, Value_Gp => Value);
            else
                raise Group_Error;
            end if;
        end Write_Group;
    end Mod101;
end Clone;

E3 Meta Data

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