88 lines
3.7 KiB
Ada
88 lines
3.7 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- Copyright (C) 2015-2016, AdaCore --
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-- --
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-- Redistribution and use in source and binary forms, with or without --
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-- modification, are permitted provided that the following conditions are --
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-- met: --
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-- 1. Redistributions of source code must retain the above copyright --
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-- notice, this list of conditions and the following disclaimer. --
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-- 2. Redistributions in binary form must reproduce the above copyright --
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-- notice, this list of conditions and the following disclaimer in --
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-- the documentation and/or other materials provided with the --
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-- distribution. --
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-- 3. Neither the name of the copyright holder nor the names of its --
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-- contributors may be used to endorse or promote products derived --
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-- from this software without specific prior written permission. --
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-- --
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-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS --
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-- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT --
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-- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR --
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-- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT --
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-- HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, --
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-- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT --
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-- LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, --
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-- DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY --
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-- THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT --
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-- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE --
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-- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. --
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-- --
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------------------------------------------------------------------------------
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package HAL.SPI is
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pragma Preelaborate;
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type SPI_Status is
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(Ok,
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Err_Error,
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Err_Timeout,
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Busy);
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type SPI_Data_Size is
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(Data_Size_8b,
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Data_Size_16b);
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type SPI_Data_8b is array (Natural range <>) of UInt8;
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type SPI_Data_16b is array (Natural range <>) of UInt16;
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type SPI_Port is limited interface;
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type Any_SPI_Port is access all SPI_Port'Class;
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function Data_Size (This : SPI_Port) return SPI_Data_Size is abstract;
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procedure Transmit
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(This : in out SPI_Port;
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Data : SPI_Data_8b;
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Status : out SPI_Status;
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Timeout : Natural := 1000) is abstract
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with
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Pre'Class => Data_Size (This) = Data_Size_8b;
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procedure Transmit
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(This : in out SPI_Port;
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Data : SPI_Data_16b;
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Status : out SPI_Status;
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Timeout : Natural := 1000) is abstract
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with
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Pre'Class => Data_Size (This) = Data_Size_16b;
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procedure Receive
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(This : in out SPI_Port;
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Data : out SPI_Data_8b;
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Status : out SPI_Status;
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Timeout : Natural := 1000) is abstract
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with
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Pre'Class => Data_Size (This) = Data_Size_8b;
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procedure Receive
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(This : in out SPI_Port;
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Data : out SPI_Data_16b;
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Status : out SPI_Status;
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Timeout : Natural := 1000) is abstract
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with
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Pre'Class => Data_Size (This) = Data_Size_16b;
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end HAL.SPI;
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