346 lines
19 KiB
C
346 lines
19 KiB
C
//*****************************************************************************
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//
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// hw_uart.h - Macros and defines used when accessing the UART hardware.
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//
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// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
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// Software License Agreement
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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
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// are met:
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//
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// 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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//
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// Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the
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// distribution.
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//
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// Neither the name of Texas Instruments Incorporated nor the names of
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// its 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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// OWNER 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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// This is part of revision 1.1 of the Tiva Firmware Development Package.
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//
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//*****************************************************************************
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#ifndef __HW_UART_H__
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#define __HW_UART_H__
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//*****************************************************************************
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//
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// The following are defines for the UART register offsets.
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//
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//*****************************************************************************
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#define UART_O_DR 0x00000000 // UART Data
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#define UART_O_RSR 0x00000004 // UART Receive Status/Error Clear
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#define UART_O_ECR 0x00000004 // UART Receive Status/Error Clear
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#define UART_O_FR 0x00000018 // UART Flag
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#define UART_O_ILPR 0x00000020 // UART IrDA Low-Power Register
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#define UART_O_IBRD 0x00000024 // UART Integer Baud-Rate Divisor
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#define UART_O_FBRD 0x00000028 // UART Fractional Baud-Rate
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// Divisor
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#define UART_O_LCRH 0x0000002C // UART Line Control
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#define UART_O_CTL 0x00000030 // UART Control
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#define UART_O_IFLS 0x00000034 // UART Interrupt FIFO Level Select
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#define UART_O_IM 0x00000038 // UART Interrupt Mask
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#define UART_O_RIS 0x0000003C // UART Raw Interrupt Status
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#define UART_O_MIS 0x00000040 // UART Masked Interrupt Status
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#define UART_O_ICR 0x00000044 // UART Interrupt Clear
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#define UART_O_DMACTL 0x00000048 // UART DMA Control
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#define UART_O_9BITADDR 0x000000A4 // UART 9-Bit Self Address
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#define UART_O_9BITAMASK 0x000000A8 // UART 9-Bit Self Address Mask
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#define UART_O_PP 0x00000FC0 // UART Peripheral Properties
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#define UART_O_CC 0x00000FC8 // UART Clock Configuration
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the UART_O_DR register.
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//
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//*****************************************************************************
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#define UART_DR_OE 0x00000800 // UART Overrun Error
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#define UART_DR_BE 0x00000400 // UART Break Error
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#define UART_DR_PE 0x00000200 // UART Parity Error
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#define UART_DR_FE 0x00000100 // UART Framing Error
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#define UART_DR_DATA_M 0x000000FF // Data Transmitted or Received
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#define UART_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 UART_O_RSR register.
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//
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//*****************************************************************************
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#define UART_RSR_OE 0x00000008 // UART Overrun Error
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#define UART_RSR_BE 0x00000004 // UART Break Error
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#define UART_RSR_PE 0x00000002 // UART Parity Error
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#define UART_RSR_FE 0x00000001 // UART Framing Error
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the UART_O_ECR register.
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//
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//*****************************************************************************
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#define UART_ECR_DATA_M 0x000000FF // Error Clear
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#define UART_ECR_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 UART_O_FR register.
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//
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//*****************************************************************************
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#define UART_FR_RI 0x00000100 // Ring Indicator
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#define UART_FR_TXFE 0x00000080 // UART Transmit FIFO Empty
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#define UART_FR_RXFF 0x00000040 // UART Receive FIFO Full
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#define UART_FR_TXFF 0x00000020 // UART Transmit FIFO Full
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#define UART_FR_RXFE 0x00000010 // UART Receive FIFO Empty
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#define UART_FR_BUSY 0x00000008 // UART Busy
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#define UART_FR_DCD 0x00000004 // Data Carrier Detect
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#define UART_FR_DSR 0x00000002 // Data Set Ready
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#define UART_FR_CTS 0x00000001 // Clear To Send
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the UART_O_ILPR register.
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//
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//*****************************************************************************
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#define UART_ILPR_ILPDVSR_M 0x000000FF // IrDA Low-Power Divisor
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#define UART_ILPR_ILPDVSR_S 0
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the UART_O_IBRD register.
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//
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//*****************************************************************************
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#define UART_IBRD_DIVINT_M 0x0000FFFF // Integer Baud-Rate Divisor
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#define UART_IBRD_DIVINT_S 0
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the UART_O_FBRD register.
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//
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//*****************************************************************************
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#define UART_FBRD_DIVFRAC_M 0x0000003F // Fractional Baud-Rate Divisor
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#define UART_FBRD_DIVFRAC_S 0
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the UART_O_LCRH register.
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//
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//*****************************************************************************
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#define UART_LCRH_SPS 0x00000080 // UART Stick Parity Select
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#define UART_LCRH_WLEN_M 0x00000060 // UART Word Length
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#define UART_LCRH_WLEN_5 0x00000000 // 5 bits (default)
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#define UART_LCRH_WLEN_6 0x00000020 // 6 bits
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#define UART_LCRH_WLEN_7 0x00000040 // 7 bits
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#define UART_LCRH_WLEN_8 0x00000060 // 8 bits
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#define UART_LCRH_FEN 0x00000010 // UART Enable FIFOs
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#define UART_LCRH_STP2 0x00000008 // UART Two Stop Bits Select
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#define UART_LCRH_EPS 0x00000004 // UART Even Parity Select
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#define UART_LCRH_PEN 0x00000002 // UART Parity Enable
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#define UART_LCRH_BRK 0x00000001 // UART Send Break
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the UART_O_CTL register.
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//
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//*****************************************************************************
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#define UART_CTL_CTSEN 0x00008000 // Enable Clear To Send
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#define UART_CTL_RTSEN 0x00004000 // Enable Request to Send
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#define UART_CTL_RTS 0x00000800 // Request to Send
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#define UART_CTL_DTR 0x00000400 // Data Terminal Ready
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#define UART_CTL_RXE 0x00000200 // UART Receive Enable
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#define UART_CTL_TXE 0x00000100 // UART Transmit Enable
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#define UART_CTL_LBE 0x00000080 // UART Loop Back Enable
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#define UART_CTL_HSE 0x00000020 // High-Speed Enable
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#define UART_CTL_EOT 0x00000010 // End of Transmission
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#define UART_CTL_SMART 0x00000008 // ISO 7816 Smart Card Support
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#define UART_CTL_SIRLP 0x00000004 // UART SIR Low-Power Mode
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#define UART_CTL_SIREN 0x00000002 // UART SIR Enable
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#define UART_CTL_UARTEN 0x00000001 // UART Enable
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the UART_O_IFLS register.
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//
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//*****************************************************************************
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#define UART_IFLS_RX_M 0x00000038 // UART Receive Interrupt FIFO
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// Level Select
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#define UART_IFLS_RX1_8 0x00000000 // RX FIFO >= 1/8 full
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#define UART_IFLS_RX2_8 0x00000008 // RX FIFO >= 1/4 full
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#define UART_IFLS_RX4_8 0x00000010 // RX FIFO >= 1/2 full (default)
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#define UART_IFLS_RX6_8 0x00000018 // RX FIFO >= 3/4 full
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#define UART_IFLS_RX7_8 0x00000020 // RX FIFO >= 7/8 full
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#define UART_IFLS_TX_M 0x00000007 // UART Transmit Interrupt FIFO
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// Level Select
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#define UART_IFLS_TX1_8 0x00000000 // TX FIFO <= 1/8 full
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#define UART_IFLS_TX2_8 0x00000001 // TX FIFO <= 1/4 full
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#define UART_IFLS_TX4_8 0x00000002 // TX FIFO <= 1/2 full (default)
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#define UART_IFLS_TX6_8 0x00000003 // TX FIFO <= 3/4 full
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#define UART_IFLS_TX7_8 0x00000004 // TX FIFO <= 7/8 full
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the UART_O_IM register.
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//
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//*****************************************************************************
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#define UART_IM_9BITIM 0x00001000 // 9-Bit Mode Interrupt Mask
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#define UART_IM_OEIM 0x00000400 // UART Overrun Error Interrupt
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// Mask
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#define UART_IM_BEIM 0x00000200 // UART Break Error Interrupt Mask
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#define UART_IM_PEIM 0x00000100 // UART Parity Error Interrupt Mask
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#define UART_IM_FEIM 0x00000080 // UART Framing Error Interrupt
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// Mask
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#define UART_IM_RTIM 0x00000040 // UART Receive Time-Out Interrupt
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// Mask
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#define UART_IM_TXIM 0x00000020 // UART Transmit Interrupt Mask
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#define UART_IM_RXIM 0x00000010 // UART Receive Interrupt Mask
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#define UART_IM_DSRMIM 0x00000008 // UART Data Set Ready Modem
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// Interrupt Mask
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#define UART_IM_DCDMIM 0x00000004 // UART Data Carrier Detect Modem
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// Interrupt Mask
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#define UART_IM_CTSMIM 0x00000002 // UART Clear to Send Modem
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// Interrupt Mask
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#define UART_IM_RIMIM 0x00000001 // UART Ring Indicator Modem
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// Interrupt Mask
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the UART_O_RIS register.
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//
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//*****************************************************************************
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#define UART_RIS_9BITRIS 0x00001000 // 9-Bit Mode Raw Interrupt Status
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#define UART_RIS_OERIS 0x00000400 // UART Overrun Error Raw Interrupt
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// Status
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#define UART_RIS_BERIS 0x00000200 // UART Break Error Raw Interrupt
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// Status
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#define UART_RIS_PERIS 0x00000100 // UART Parity Error Raw Interrupt
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// Status
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#define UART_RIS_FERIS 0x00000080 // UART Framing Error Raw Interrupt
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// Status
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#define UART_RIS_RTRIS 0x00000040 // UART Receive Time-Out Raw
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// Interrupt Status
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#define UART_RIS_TXRIS 0x00000020 // UART Transmit Raw Interrupt
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// Status
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#define UART_RIS_RXRIS 0x00000010 // UART Receive Raw Interrupt
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// Status
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#define UART_RIS_DSRRIS 0x00000008 // UART Data Set Ready Modem Raw
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// Interrupt Status
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#define UART_RIS_DCDRIS 0x00000004 // UART Data Carrier Detect Modem
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// Raw Interrupt Status
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#define UART_RIS_CTSRIS 0x00000002 // UART Clear to Send Modem Raw
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// Interrupt Status
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#define UART_RIS_RIRIS 0x00000001 // UART Ring Indicator Modem 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 UART_O_MIS register.
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//
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//*****************************************************************************
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#define UART_MIS_9BITMIS 0x00001000 // 9-Bit Mode Masked Interrupt
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// Status
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#define UART_MIS_OEMIS 0x00000400 // UART Overrun Error Masked
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// Interrupt Status
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#define UART_MIS_BEMIS 0x00000200 // UART Break Error Masked
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// Interrupt Status
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#define UART_MIS_PEMIS 0x00000100 // UART Parity Error Masked
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// Interrupt Status
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#define UART_MIS_FEMIS 0x00000080 // UART Framing Error Masked
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// Interrupt Status
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#define UART_MIS_RTMIS 0x00000040 // UART Receive Time-Out Masked
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// Interrupt Status
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#define UART_MIS_TXMIS 0x00000020 // UART Transmit Masked Interrupt
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// Status
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#define UART_MIS_RXMIS 0x00000010 // UART Receive Masked Interrupt
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// Status
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#define UART_MIS_DSRMIS 0x00000008 // UART Data Set Ready Modem Masked
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// Interrupt Status
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#define UART_MIS_DCDMIS 0x00000004 // UART Data Carrier Detect Modem
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// Masked Interrupt Status
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#define UART_MIS_CTSMIS 0x00000002 // UART Clear to Send Modem Masked
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// Interrupt Status
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#define UART_MIS_RIMIS 0x00000001 // UART Ring Indicator Modem 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 UART_O_ICR register.
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//
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//*****************************************************************************
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#define UART_ICR_9BITIC 0x00001000 // 9-Bit Mode Interrupt Clear
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#define UART_ICR_OEIC 0x00000400 // Overrun Error Interrupt Clear
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#define UART_ICR_BEIC 0x00000200 // Break Error Interrupt Clear
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#define UART_ICR_PEIC 0x00000100 // Parity Error Interrupt Clear
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#define UART_ICR_FEIC 0x00000080 // Framing Error Interrupt Clear
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#define UART_ICR_RTIC 0x00000040 // Receive Time-Out Interrupt Clear
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#define UART_ICR_TXIC 0x00000020 // Transmit Interrupt Clear
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#define UART_ICR_RXIC 0x00000010 // Receive Interrupt Clear
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#define UART_ICR_DSRMIC 0x00000008 // UART Data Set Ready Modem
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// Interrupt Clear
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#define UART_ICR_DCDMIC 0x00000004 // UART Data Carrier Detect Modem
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// Interrupt Clear
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#define UART_ICR_CTSMIC 0x00000002 // UART Clear to Send Modem
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// Interrupt Clear
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#define UART_ICR_RIMIC 0x00000001 // UART Ring Indicator Modem
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// Interrupt Clear
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the UART_O_DMACTL register.
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//
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//*****************************************************************************
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#define UART_DMACTL_DMAERR 0x00000004 // DMA on Error
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#define UART_DMACTL_TXDMAE 0x00000002 // Transmit DMA Enable
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#define UART_DMACTL_RXDMAE 0x00000001 // Receive DMA Enable
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the UART_O_9BITADDR
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// register.
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//
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//*****************************************************************************
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#define UART_9BITADDR_9BITEN 0x00008000 // Enable 9-Bit Mode
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#define UART_9BITADDR_ADDR_M 0x000000FF // Self Address for 9-Bit Mode
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#define UART_9BITADDR_ADDR_S 0
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the UART_O_9BITAMASK
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// register.
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//
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//*****************************************************************************
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#define UART_9BITAMASK_MASK_M 0x000000FF // Self Address Mask for 9-Bit Mode
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#define UART_9BITAMASK_MASK_S 0
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the UART_O_PP register.
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//
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//*****************************************************************************
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#define UART_PP_NB 0x00000002 // 9-Bit Support
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#define UART_PP_SC 0x00000001 // Smart Card Support
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the UART_O_CC register.
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//
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//*****************************************************************************
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#define UART_CC_CS_M 0x0000000F // UART Baud Clock Source
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#define UART_CC_CS_SYSCLK 0x00000000 // The system clock (default)
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#define UART_CC_CS_PIOSC 0x00000005 // PIOSC
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#endif // __HW_UART_H__
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