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//*****************************************************************************
//
// hw_ssi.h - Macros used when accessing the SSI hardware.
//
// Copyright (c) 2005-2008 Luminary Micro, Inc. All rights reserved.
//
// Software License Agreement
//
// Luminary Micro, Inc. (LMI) is supplying this software for use solely and
// exclusively on LMI's microcontroller products.
//
// The software is owned by LMI and/or its suppliers, and is protected under
// applicable copyright laws. All rights are reserved. You may not combine
// this software with "viral" open-source software in order to form a larger
// program. Any use in violation of the foregoing restrictions may subject
// the user to criminal sanctions under applicable laws, as well as to civil
// liability for the breach of the terms and conditions of this license.
//
// THIS SOFTWARE IS PROVIDED "AS IS". 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.
// LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
// CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
//
// This is part of revision 2523 of the Stellaris Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __HW_SSI_H__
#define __HW_SSI_H__
//*****************************************************************************
//
// The following are defines for the SSI register offsets.
//
//*****************************************************************************
#define SSI_O_CR0 0x00000000 // Control register 0
#define SSI_O_CR1 0x00000004 // Control register 1
#define SSI_O_DR 0x00000008 // Data register
#define SSI_O_SR 0x0000000C // Status register
#define SSI_O_CPSR 0x00000010 // Clock prescale register
#define SSI_O_IM 0x00000014 // Int mask set and clear register
#define SSI_O_RIS 0x00000018 // Raw interrupt register
#define SSI_O_MIS 0x0000001C // Masked interrupt register
#define SSI_O_ICR 0x00000020 // Interrupt clear register
#define SSI_O_DMACTL 0x00000024 // SSI DMA Control
//*****************************************************************************
//
// The following are defines for the bit fields in the SSI Control register 0.
//
//*****************************************************************************
#define SSI_CR0_SCR_M 0x0000FF00 // SSI Serial Clock Rate.
#define SSI_CR0_SPH 0x00000080 // SSPCLKOUT phase
#define SSI_CR0_SPO 0x00000040 // SSPCLKOUT polarity
#define SSI_CR0_FRF_M 0x00000030 // Frame format mask
#define SSI_CR0_FRF_MOTO 0x00000000 // Motorola SPI frame format
#define SSI_CR0_FRF_TI 0x00000010 // TI sync serial frame format
#define SSI_CR0_FRF_NMW 0x00000020 // National Microwire frame format
#define SSI_CR0_DSS_M 0x0000000F // SSI Data Size Select.
#define SSI_CR0_DSS_4 0x00000003 // 4 bit data
#define SSI_CR0_DSS_5 0x00000004 // 5 bit data
#define SSI_CR0_DSS_6 0x00000005 // 6 bit data
#define SSI_CR0_DSS_7 0x00000006 // 7 bit data
#define SSI_CR0_DSS_8 0x00000007 // 8 bit data
#define SSI_CR0_DSS_9 0x00000008 // 9 bit data
#define SSI_CR0_DSS_10 0x00000009 // 10 bit data
#define SSI_CR0_DSS_11 0x0000000A // 11 bit data
#define SSI_CR0_DSS_12 0x0000000B // 12 bit data
#define SSI_CR0_DSS_13 0x0000000C // 13 bit data
#define SSI_CR0_DSS_14 0x0000000D // 14 bit data
#define SSI_CR0_DSS_15 0x0000000E // 15 bit data
#define SSI_CR0_DSS_16 0x0000000F // 16 bit data
#define SSI_CR0_SCR_S 8
//*****************************************************************************
//
// The following are defines for the bit fields in the SSI Control register 1.
//
//*****************************************************************************
#define SSI_CR1_SOD 0x00000008 // Slave mode output disable
#define SSI_CR1_MS 0x00000004 // Master or slave mode select
#define SSI_CR1_SSE 0x00000002 // Sync serial port enable
#define SSI_CR1_LBM 0x00000001 // Loopback mode
//*****************************************************************************
//
// The following are defines for the bit fields in the SSI Status register.
//
//*****************************************************************************
#define SSI_SR_BSY 0x00000010 // SSI busy
#define SSI_SR_RFF 0x00000008 // RX FIFO full
#define SSI_SR_RNE 0x00000004 // RX FIFO not empty
#define SSI_SR_TNF 0x00000002 // TX FIFO not full
#define SSI_SR_TFE 0x00000001 // TX FIFO empty
//*****************************************************************************
//
// The following are defines for the bit fields in the SSI clock prescale
// register.
//
//*****************************************************************************
#define SSI_CPSR_CPSDVSR_M 0x000000FF // SSI Clock Prescale Divisor.
#define SSI_CPSR_CPSDVSR_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the SSI_O_DR register.
//
//*****************************************************************************
#define SSI_DR_DATA_M 0x0000FFFF // SSI Receive/Transmit Data.
#define SSI_DR_DATA_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the SSI_O_IM register.
//
//*****************************************************************************
#define SSI_IM_TXIM 0x00000008 // SSI Transmit FIFO Interrupt
// Mask.
#define SSI_IM_RXIM 0x00000004 // SSI Receive FIFO Interrupt Mask.
#define SSI_IM_RTIM 0x00000002 // SSI Receive Time-Out Interrupt
// Mask.
#define SSI_IM_RORIM 0x00000001 // SSI Receive Overrun Interrupt
// Mask.
//*****************************************************************************
//
// The following are defines for the bit fields in the SSI_O_RIS register.
//
//*****************************************************************************
#define SSI_RIS_TXRIS 0x00000008 // SSI Transmit FIFO Raw Interrupt
// Status.
#define SSI_RIS_RXRIS 0x00000004 // SSI Receive FIFO Raw Interrupt
// Status.
#define SSI_RIS_RTRIS 0x00000002 // SSI Receive Time-Out Raw
// Interrupt Status.
#define SSI_RIS_RORRIS 0x00000001 // SSI Receive Overrun Raw
// Interrupt Status.
//*****************************************************************************
//
// The following are defines for the bit fields in the SSI_O_MIS register.
//
//*****************************************************************************
#define SSI_MIS_TXMIS 0x00000008 // SSI Transmit FIFO Masked
// Interrupt Status.
#define SSI_MIS_RXMIS 0x00000004 // SSI Receive FIFO Masked
// Interrupt Status.
#define SSI_MIS_RTMIS 0x00000002 // SSI Receive Time-Out Masked
// Interrupt Status.
#define SSI_MIS_RORMIS 0x00000001 // SSI Receive Overrun Masked
// Interrupt Status.
//*****************************************************************************
//
// The following are defines for the bit fields in the SSI_O_ICR register.
//
//*****************************************************************************
#define SSI_ICR_RTIC 0x00000002 // SSI Receive Time-Out Interrupt
// Clear.
#define SSI_ICR_RORIC 0x00000001 // SSI Receive Overrun Interrupt
// Clear.
//*****************************************************************************
//
// The following are defines for the bit fields in the SSI_O_DMACTL register.
//
//*****************************************************************************
#define SSI_DMACTL_TXDMAE 0x00000002 // Transmit DMA Enable.
#define SSI_DMACTL_RXDMAE 0x00000001 // Receive DMA Enable.
//*****************************************************************************
//
// The following definitions are deprecated.
//
//*****************************************************************************
#ifndef DEPRECATED
//*****************************************************************************
//
// The following are deprecated defines for the bit fields in the SSI Control
// register 0.
//
//*****************************************************************************
#define SSI_CR0_SCR 0x0000FF00 // Serial clock rate
#define SSI_CR0_FRF_MASK 0x00000030 // Frame format mask
#define SSI_CR0_DSS 0x0000000F // Data size select
//*****************************************************************************
//
// The following are deprecated defines for the bit fields in the SSI clock
// prescale register.
//
//*****************************************************************************
#define SSI_CPSR_CPSDVSR_MASK 0x000000FF // Clock prescale
//*****************************************************************************
//
// The following are deprecated defines for the SSI controller's FIFO size.
//
//*****************************************************************************
#define TX_FIFO_SIZE (8) // Number of entries in the TX FIFO
#define RX_FIFO_SIZE (8) // Number of entries in the RX FIFO
//*****************************************************************************
//
// The following are deprecated defines for the bit fields in the interrupt
// mask set and clear, raw interrupt, masked interrupt, and interrupt clear
// registers.
//
//*****************************************************************************
#define SSI_INT_TXFF 0x00000008 // TX FIFO interrupt
#define SSI_INT_RXFF 0x00000004 // RX FIFO interrupt
#define SSI_INT_RXTO 0x00000002 // RX timeout interrupt
#define SSI_INT_RXOR 0x00000001 // RX overrun interrupt
#endif
#endif // __HW_SSI_H__
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