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ada-git-code

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return Boolean
is
begin
return This.Controller.Is_Message_Pending;
end Is_Message_Pending;
overriding
function Current_Time
(This : CAN_Driver)
return Ada.Real_Time.Time
is
pragma Unreferenced (This);
begin
return Ada.Real_Time.Clock;
end Current_Time;
package body CAN_ISR is
function Tx_Interrupt_Id
(Device : not null access CAN_Controller)
return Ada.Interrupts.Interrupt_ID
is
begin
if Device = STM32.Device.CAN_1'Access then
return Ada.Interrupts.Names.CAN1_TX_Interrupt;
elsif Device = STM32.Device.CAN_2'Access then
return Ada.Interrupts.Names.CAN2_TX_Interrupt;
else
raise Constraint_Error;
end if;
end Tx_Interrupt_Id;
function Rx0_Interrupt_Id
(Device : not null access CAN_Controller)
return Ada.Interrupts.Interrupt_ID
is
begin
if Device = STM32.Device.CAN_1'Access then
return Ada.Interrupts.Names.CAN1_RX0_Interrupt;
elsif Device = STM32.Device.CAN_2'Access then
return Ada.Interrupts.Names.CAN2_RX0_Interrupt;
else
raise Constraint_Error;
end if;
end Rx0_Interrupt_Id;
function Rx1_Interrupt_Id
(Device : not null access CAN_Controller)
return Ada.Interrupts.Interrupt_ID
is
begin
if Device = STM32.Device.CAN_1'Access then
return Ada.Interrupts.Names.CAN1_RX1_Interrupt;
elsif Device = STM32.Device.CAN_2'Access then
return Ada.Interrupts.Names.CAN2_RX1_Interrupt;
else
raise Constraint_Error;
end if;
end Rx1_Interrupt_Id;
function SCE_Interrupt_Id
(Device : not null access CAN_Controller)
return Ada.Interrupts.Interrupt_ID
is
begin
if Device = STM32.Device.CAN_1'Access then
return Ada.Interrupts.Names.CAN1_SCE_Interrupt;
elsif Device = STM32.Device.CAN_2'Access then
return Ada.Interrupts.Names.CAN2_SCE_Interrupt;
else
raise Constraint_Error;
end if;
end SCE_Interrupt_Id;
function Nof_Messages (This : Message_Buffer) return Natural
is
begin
if This.Idx_New >= This.Idx_Old then
return This.Idx_New - This.Idx_Old;
else
return Index'Last - This.Idx_Old + 1 + This.Idx_New - Index'First;
end if;
end Nof_Messages;
procedure Get_Next_Message
(This : in out Message_Buffer;
Message : out CAN_Message)
is
begin
Message := This.Buffer (This.Idx_Old);
This.Idx_Old := (This.Idx_Old + 1) mod (Index'Last + 1);
end Get_Next_Message;
procedure Put_Message
(This : in out Message_Buffer;
Message : in CAN_Message)
is
Idx_Next : constant Index := (This.Idx_New + 1) mod (Index'Last + 1);
begin
This.Buffer (This.Idx_New) := Message;