//###########################################################################
//
// FILE:    hw_sci.h
//
// TITLE:   Definitions for the SCI registers.
//
//###########################################################################
// $TI Release: F2837xD Support Library v3.08.00.00 $
// $Release Date: Mon Dec 23 17:32:30 IST 2019 $
// $Copyright:
// Copyright (C) 2013-2019 Texas Instruments Incorporated - http://www.ti.com/
//
// Redistribution and use in source and binary forms, with or without 
// modification, are permitted provided that the following conditions 
// are met:
// 
//   Redistributions of source code must retain the above copyright 
//   notice, this list of conditions and the following disclaimer.
// 
//   Redistributions in binary form must reproduce the above copyright
//   notice, this list of conditions and the following disclaimer in the 
//   documentation and/or other materials provided with the   
//   distribution.
// 
//   Neither the name of Texas Instruments Incorporated nor the names of
//   its contributors may be used to endorse or promote products derived
//   from this software without specific prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// $
//###########################################################################

#ifndef HW_SCI_H
#define HW_SCI_H

//*****************************************************************************
//
// The following are defines for the SCI register offsets
//
//*****************************************************************************
#define SCI_O_CCR                 0x0U         // Communications control
                                               // register
#define SCI_O_CTL1                0x1U         // Control register 1
#define SCI_O_HBAUD               0x2U         // Baud rate (high) register
#define SCI_O_LBAUD               0x3U         // Baud rate (low) register
#define SCI_O_CTL2                0x4U         // Control register 2
#define SCI_O_RXST                0x5U         // Receive status register
#define SCI_O_RXEMU               0x6U         // Receive emulation buffer
                                               // register
#define SCI_O_RXBUF               0x7U         // Receive data buffer
#define SCI_O_TXBUF               0x9U         // Transmit data buffer
#define SCI_O_FFTX                0xAU         // FIFO transmit register
#define SCI_O_FFRX                0xBU         // FIFO receive register
#define SCI_O_FFCT                0xCU         // FIFO control register
#define SCI_O_PRI                 0xFU         // SCI priority control

//*****************************************************************************
//
// The following are defines for the bit fields in the SCICCR register
//
//*****************************************************************************
#define SCI_CCR_SCICHAR_S         0U
#define SCI_CCR_SCICHAR_M         0x7U         // Character length control
#define SCI_CCR_ADDRIDLE_MODE     0x8U         // ADDR/IDLE Mode control
#define SCI_CCR_LOOPBKENA         0x10U        // Loop Back enable
#define SCI_CCR_PARITYENA         0x20U        // Parity enable
#define SCI_CCR_PARITY            0x40U        // Even or Odd Parity
#define SCI_CCR_STOPBITS          0x80U        // Number of Stop Bits

//*****************************************************************************
//
// The following are defines for the bit fields in the SCICTL1 register
//
//*****************************************************************************
#define SCI_CTL1_RXENA            0x1U         // SCI receiver enable
#define SCI_CTL1_TXENA            0x2U         // SCI transmitter enable
#define SCI_CTL1_SLEEP            0x4U         // SCI sleep
#define SCI_CTL1_TXWAKE           0x8U         // Transmitter wakeup method
#define SCI_CTL1_SWRESET          0x20U        // Software reset
#define SCI_CTL1_RXERRINTENA      0x40U        // Receive error interrupt
                                               // enable

//*****************************************************************************
//
// The following are defines for the bit fields in the SCIHBAUD register
//
//*****************************************************************************
#define SCI_HBAUD_BAUD_S          0U
#define SCI_HBAUD_BAUD_M          0xFFU        // SCI 16-bit baud selection
                                               // Registers SCIHBAUD

//*****************************************************************************
//
// The following are defines for the bit fields in the SCILBAUD register
//
//*****************************************************************************
#define SCI_LBAUD_BAUD_S          0U
#define SCI_LBAUD_BAUD_M          0xFFU        // SCI 16-bit baud selection
                                               // Registers SCILBAUD

//*****************************************************************************
//
// The following are defines for the bit fields in the SCICTL2 register
//
//*****************************************************************************
#define SCI_CTL2_TXINTENA         0x1U         // Transmit __interrupt enable
#define SCI_CTL2_RXBKINTENA       0x2U         // Receiver-buffer break enable
#define SCI_CTL2_TXEMPTY          0x40U        // Transmitter empty flag
#define SCI_CTL2_TXRDY            0x80U        // Transmitter ready flag

//*****************************************************************************
//
// The following are defines for the bit fields in the SCIRXST register
//
//*****************************************************************************
#define SCI_RXST_RXWAKE           0x2U         // Receiver wakeup detect flag
#define SCI_RXST_PE               0x4U         // Parity error flag
#define SCI_RXST_OE               0x8U         // Overrun error flag
#define SCI_RXST_FE               0x10U        // Framing error flag
#define SCI_RXST_BRKDT            0x20U        // Break-detect flag
#define SCI_RXST_RXRDY            0x40U        // Receiver ready flag
#define SCI_RXST_RXERROR          0x80U        // Receiver error flag

//*****************************************************************************
//
// The following are defines for the bit fields in the SCIRXEMU register
//
//*****************************************************************************
#define SCI_RXEMU_ERXDT_S         0U
#define SCI_RXEMU_ERXDT_M         0xFFU        // Receive emulation buffer data

//*****************************************************************************
//
// The following are defines for the bit fields in the SCIRXBUF register
//
//*****************************************************************************
#define SCI_RXBUF_SAR_S           0U
#define SCI_RXBUF_SAR_M           0xFFU        // Receive Character bits
#define SCI_RXBUF_SCIFFPE         0x4000U      // Receiver error flag
#define SCI_RXBUF_SCIFFFE         0x8000U      // Receiver error flag

//*****************************************************************************
//
// The following are defines for the bit fields in the SCITXBUF register
//
//*****************************************************************************
#define SCI_TXBUF_TXDT_S          0U
#define SCI_TXBUF_TXDT_M          0xFFU        // Transmit data buffer

//*****************************************************************************
//
// The following are defines for the bit fields in the SCIFFTX register
//
//*****************************************************************************
#define SCI_FFTX_TXFFIL_S         0U
#define SCI_FFTX_TXFFIL_M         0x1FU        // Interrupt level
#define SCI_FFTX_TXFFIENA         0x20U        // Interrupt enable
#define SCI_FFTX_TXFFINTCLR       0x40U        // Clear INT flag
#define SCI_FFTX_TXFFINT          0x80U        // INT flag
#define SCI_FFTX_TXFFST_S         8U
#define SCI_FFTX_TXFFST_M         0x1F00U      // FIFO status
#define SCI_FFTX_TXFIFORESET      0x2000U      // FIFO reset
#define SCI_FFTX_SCIFFENA         0x4000U      // Enhancement enable
#define SCI_FFTX_SCIRST           0x8000U      // SCI reset rx/tx channels

//*****************************************************************************
//
// The following are defines for the bit fields in the SCIFFRX register
//
//*****************************************************************************
#define SCI_FFRX_RXFFIL_S         0U
#define SCI_FFRX_RXFFIL_M         0x1FU        // Interrupt level
#define SCI_FFRX_RXFFIENA         0x20U        // Interrupt enable
#define SCI_FFRX_RXFFINTCLR       0x40U        // Clear INT flag
#define SCI_FFRX_RXFFINT          0x80U        // INT flag
#define SCI_FFRX_RXFFST_S         8U
#define SCI_FFRX_RXFFST_M         0x1F00U      // FIFO status
#define SCI_FFRX_RXFIFORESET      0x2000U      // FIFO reset
#define SCI_FFRX_RXFFOVRCLR       0x4000U      // Clear overflow
#define SCI_FFRX_RXFFOVF          0x8000U      // FIFO overflow

//*****************************************************************************
//
// The following are defines for the bit fields in the SCIFFCT register
//
//*****************************************************************************
#define SCI_FFCT_FFTXDLY_S        0U
#define SCI_FFCT_FFTXDLY_M        0xFFU        // FIFO transmit delay
#define SCI_FFCT_CDC              0x2000U      // Auto baud mode enable
#define SCI_FFCT_ABDCLR           0x4000U      // Auto baud clear
#define SCI_FFCT_ABD              0x8000U      // Auto baud detect

//*****************************************************************************
//
// The following are defines for the bit fields in the SCIPRI register
//
//*****************************************************************************
#define SCI_PRI_FREESOFT_S        3U
#define SCI_PRI_FREESOFT_M        0x18U        // Emulation modes
#endif
