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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [Common/] [drivers/] [LuminaryMicro/] [hw_ssi.h] - Blame information for rev 867

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1 610 jeremybenn
//*****************************************************************************
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//
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// hw_ssi.h - Macros used when accessing the SSI hardware.
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//
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// Copyright (c) 2005-2008 Luminary Micro, Inc.  All rights reserved.
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// 
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// Software License Agreement
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// 
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// Luminary Micro, Inc. (LMI) is supplying this software for use solely and
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// exclusively on LMI's microcontroller products.
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// 
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// The software is owned by LMI and/or its suppliers, and is protected under
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// applicable copyright laws.  All rights are reserved.  You may not combine
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// this software with "viral" open-source software in order to form a larger
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// program.  Any use in violation of the foregoing restrictions may subject
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// the user to criminal sanctions under applicable laws, as well as to civil
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// liability for the breach of the terms and conditions of this license.
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// 
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// THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
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// OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
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// LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
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// CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
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// 
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// This is part of revision 2523 of the Stellaris Peripheral Driver Library.
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//
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//*****************************************************************************
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#ifndef __HW_SSI_H__
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#define __HW_SSI_H__
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//*****************************************************************************
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//
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// The following are defines for the SSI register offsets.
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//
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//*****************************************************************************
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#define SSI_O_CR0               0x00000000  // Control register 0
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#define SSI_O_CR1               0x00000004  // Control register 1
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#define SSI_O_DR                0x00000008  // Data register
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#define SSI_O_SR                0x0000000C  // Status register
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#define SSI_O_CPSR              0x00000010  // Clock prescale register
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#define SSI_O_IM                0x00000014  // Int mask set and clear register
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#define SSI_O_RIS               0x00000018  // Raw interrupt register
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#define SSI_O_MIS               0x0000001C  // Masked interrupt register
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#define SSI_O_ICR               0x00000020  // Interrupt clear register
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#define SSI_O_DMACTL            0x00000024  // SSI DMA Control
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the SSI Control register 0.
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//
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//*****************************************************************************
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#define SSI_CR0_SCR_M           0x0000FF00  // SSI Serial Clock Rate.
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#define SSI_CR0_SPH             0x00000080  // SSPCLKOUT phase
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#define SSI_CR0_SPO             0x00000040  // SSPCLKOUT polarity
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#define SSI_CR0_FRF_M           0x00000030  // Frame format mask
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#define SSI_CR0_FRF_MOTO        0x00000000  // Motorola SPI frame format
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#define SSI_CR0_FRF_TI          0x00000010  // TI sync serial frame format
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#define SSI_CR0_FRF_NMW         0x00000020  // National Microwire frame format
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#define SSI_CR0_DSS_M           0x0000000F  // SSI Data Size Select.
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#define SSI_CR0_DSS_4           0x00000003  // 4 bit data
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#define SSI_CR0_DSS_5           0x00000004  // 5 bit data
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#define SSI_CR0_DSS_6           0x00000005  // 6 bit data
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#define SSI_CR0_DSS_7           0x00000006  // 7 bit data
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#define SSI_CR0_DSS_8           0x00000007  // 8 bit data
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#define SSI_CR0_DSS_9           0x00000008  // 9 bit data
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#define SSI_CR0_DSS_10          0x00000009  // 10 bit data
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#define SSI_CR0_DSS_11          0x0000000A  // 11 bit data
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#define SSI_CR0_DSS_12          0x0000000B  // 12 bit data
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#define SSI_CR0_DSS_13          0x0000000C  // 13 bit data
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#define SSI_CR0_DSS_14          0x0000000D  // 14 bit data
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#define SSI_CR0_DSS_15          0x0000000E  // 15 bit data
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#define SSI_CR0_DSS_16          0x0000000F  // 16 bit data
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#define SSI_CR0_SCR_S           8
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the SSI Control register 1.
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//
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//*****************************************************************************
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#define SSI_CR1_SOD             0x00000008  // Slave mode output disable
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#define SSI_CR1_MS              0x00000004  // Master or slave mode select
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#define SSI_CR1_SSE             0x00000002  // Sync serial port enable
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#define SSI_CR1_LBM             0x00000001  // Loopback mode
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the SSI Status register.
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//
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//*****************************************************************************
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#define SSI_SR_BSY              0x00000010  // SSI busy
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#define SSI_SR_RFF              0x00000008  // RX FIFO full
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#define SSI_SR_RNE              0x00000004  // RX FIFO not empty
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#define SSI_SR_TNF              0x00000002  // TX FIFO not full
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#define SSI_SR_TFE              0x00000001  // TX FIFO empty
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the SSI clock prescale
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// register.
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//
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//*****************************************************************************
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#define SSI_CPSR_CPSDVSR_M      0x000000FF  // SSI Clock Prescale Divisor.
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#define SSI_CPSR_CPSDVSR_S      0
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the SSI_O_DR register.
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//
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//*****************************************************************************
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#define SSI_DR_DATA_M           0x0000FFFF  // SSI Receive/Transmit Data.
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#define SSI_DR_DATA_S           0
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the SSI_O_IM register.
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//
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//*****************************************************************************
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#define SSI_IM_TXIM             0x00000008  // SSI Transmit FIFO Interrupt
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                                            // Mask.
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#define SSI_IM_RXIM             0x00000004  // SSI Receive FIFO Interrupt Mask.
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#define SSI_IM_RTIM             0x00000002  // SSI Receive Time-Out Interrupt
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                                            // Mask.
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#define SSI_IM_RORIM            0x00000001  // SSI Receive Overrun Interrupt
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                                            // Mask.
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the SSI_O_RIS register.
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//
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//*****************************************************************************
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#define SSI_RIS_TXRIS           0x00000008  // SSI Transmit FIFO Raw Interrupt
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                                            // Status.
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#define SSI_RIS_RXRIS           0x00000004  // SSI Receive FIFO Raw Interrupt
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                                            // Status.
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#define SSI_RIS_RTRIS           0x00000002  // SSI Receive Time-Out Raw
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                                            // Interrupt Status.
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#define SSI_RIS_RORRIS          0x00000001  // SSI Receive Overrun Raw
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                                            // Interrupt Status.
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the SSI_O_MIS register.
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//
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//*****************************************************************************
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#define SSI_MIS_TXMIS           0x00000008  // SSI Transmit FIFO Masked
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                                            // Interrupt Status.
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#define SSI_MIS_RXMIS           0x00000004  // SSI Receive FIFO Masked
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                                            // Interrupt Status.
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#define SSI_MIS_RTMIS           0x00000002  // SSI Receive Time-Out Masked
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                                            // Interrupt Status.
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#define SSI_MIS_RORMIS          0x00000001  // SSI Receive Overrun Masked
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                                            // Interrupt Status.
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the SSI_O_ICR register.
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//
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//*****************************************************************************
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#define SSI_ICR_RTIC            0x00000002  // SSI Receive Time-Out Interrupt
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                                            // Clear.
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#define SSI_ICR_RORIC           0x00000001  // SSI Receive Overrun Interrupt
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                                            // Clear.
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the SSI_O_DMACTL register.
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//
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//*****************************************************************************
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#define SSI_DMACTL_TXDMAE       0x00000002  // Transmit DMA Enable.
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#define SSI_DMACTL_RXDMAE       0x00000001  // Receive DMA Enable.
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//*****************************************************************************
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//
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// The following definitions are deprecated.
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//
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//*****************************************************************************
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#ifndef DEPRECATED
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//*****************************************************************************
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//
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// The following are deprecated defines for the bit fields in the SSI Control
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// register 0.
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//
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//*****************************************************************************
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#define SSI_CR0_SCR             0x0000FF00  // Serial clock rate
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#define SSI_CR0_FRF_MASK        0x00000030  // Frame format mask
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#define SSI_CR0_DSS             0x0000000F  // Data size select
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//*****************************************************************************
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//
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// The following are deprecated defines for the bit fields in the SSI clock
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// prescale register.
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//
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//*****************************************************************************
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#define SSI_CPSR_CPSDVSR_MASK   0x000000FF  // Clock prescale
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//*****************************************************************************
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//
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// The following are deprecated defines for the SSI controller's FIFO size.
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//
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//*****************************************************************************
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#define TX_FIFO_SIZE            (8)         // Number of entries in the TX FIFO
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#define RX_FIFO_SIZE            (8)         // Number of entries in the RX FIFO
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//*****************************************************************************
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//
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// The following are deprecated defines for the bit fields in the interrupt
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// mask set and clear, raw interrupt, masked interrupt, and interrupt clear
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// registers.
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//
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//*****************************************************************************
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#define SSI_INT_TXFF            0x00000008  // TX FIFO interrupt
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#define SSI_INT_RXFF            0x00000004  // RX FIFO interrupt
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#define SSI_INT_RXTO            0x00000002  // RX timeout interrupt
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#define SSI_INT_RXOR            0x00000001  // RX overrun interrupt
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#endif
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#endif // __HW_SSI_H__

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