Ada_Drivers_Library/hal/src/hal-uart.ads

88 lines
3.7 KiB
Ada

------------------------------------------------------------------------------
-- --
-- Copyright (C) 2015-2016, AdaCore --
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package HAL.UART is
pragma Preelaborate;
type UART_Status is
(Ok,
Err_Error,
Err_Timeout,
Busy);
type UART_Data_Size is
(Data_Size_8b,
Data_Size_9b);
type UART_Data_8b is array (Natural range <>) of UInt8;
type UART_Data_9b is array (Natural range <>) of UInt9;
type UART_Port is limited interface;
type Any_UART_Port is access all UART_Port'Class;
function Data_Size (Port : UART_Port) return UART_Data_Size is abstract;
procedure Transmit
(This : in out UART_Port;
Data : UART_Data_8b;
Status : out UART_Status;
Timeout : Natural := 1000) is abstract
with
Pre'Class => Data_Size (This) = Data_Size_8b;
procedure Transmit
(This : in out UART_Port;
Data : UART_Data_9b;
Status : out UART_Status;
Timeout : Natural := 1000) is abstract
with
Pre'Class => Data_Size (This) = Data_Size_9b;
procedure Receive
(This : in out UART_Port;
Data : out UART_Data_8b;
Status : out UART_Status;
Timeout : Natural := 1000) is abstract
with
Pre'Class => Data_Size (This) = Data_Size_8b;
procedure Receive
(This : in out UART_Port;
Data : out UART_Data_9b;
Status : out UART_Status;
Timeout : Natural := 1000) is abstract
with
Pre'Class => Data_Size (This) = Data_Size_9b;
end HAL.UART;