//*****************************************************************************
//
// bl_ssi.h - Definitions for the SSI transport functions.
//
// Copyright (c) 2006-2014 Texas Instruments Incorporated.  All rights reserved.
// Software License Agreement
// 
// Texas Instruments (TI) is supplying this software for use solely and
// exclusively on TI's microcontroller products. The software is owned by
// TI and/or its suppliers, and is protected under applicable copyright
// laws. You may not combine this software with "viral" open-source
// software in order to form a larger program.
// 
// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY
// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
// DAMAGES, FOR ANY REASON WHATSOEVER.
// 
// This is part of revision 2.1.0.12573 of the Tiva Firmware Development Package.
//
//*****************************************************************************

#ifndef __BL_SSI_H__
#define __BL_SSI_H__

//*****************************************************************************
//
// This is the number of bits per transfer for SSI.  This is a constant and
// cannot be changed without corresponding code changes.
//
//*****************************************************************************
#define DATA_BITS_SSI           8

//*****************************************************************************
//
// This defines the SSI chip select pin that is being used by the boot loader.
//
//*****************************************************************************
#define SSI_CS                  (1 << 3)

//*****************************************************************************
//
// This defines the SSI clock pin that is being used by the boot loader.
//
//*****************************************************************************
#define SSI_CLK                 (1 << 2)

//*****************************************************************************
//
// This defines the SSI transmit pin that is being used by the boot loader.
//
//*****************************************************************************
#define SSI_TX                  (1 << 5)

//*****************************************************************************
//
// This defines the SSI receive pin that is being used by the boot loader.
//
//*****************************************************************************
#define SSI_RX                  (1 << 4)

//*****************************************************************************
//
// This defines the combination of pins used to implement the SSI port used by
// the boot loader.
//
//*****************************************************************************
#define SSI_PINS                (SSI_CLK | SSI_TX | SSI_RX | SSI_CS)

//*****************************************************************************
//
// SSI Transport APIs
//
//*****************************************************************************
extern void SSISend(const uint8_t *pui8Data, uint32_t ui32Size);
extern void SSIReceive(uint8_t *pui8Data, uint32_t ui32Size);
extern void SSIFlush(void);

//*****************************************************************************
//
// Define the transport functions if the SSI port is being used.
//
//*****************************************************************************
#ifdef SSI_ENABLE_UPDATE
#define SendData                SSISend
#define FlushData               SSIFlush
#define ReceiveData             SSIReceive
#endif

#endif // __BL_SSI_H__