437 lines
23 KiB
C
437 lines
23 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) 2005-2009 Luminary Micro, Inc. All rights reserved.
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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 4694 of the Stellaris 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 // Data Register
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#define UART_O_RSR 0x00000004 // Receive Status Register (read)
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#define UART_O_ECR 0x00000004 // Error Clear Register (write)
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#define UART_O_FR 0x00000018 // Flag Register (read only)
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#define UART_O_ILPR 0x00000020 // UART IrDA Low-Power Register
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#define UART_O_IBRD 0x00000024 // Integer Baud Rate Divisor Reg
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#define UART_O_FBRD 0x00000028 // Fractional Baud Rate Divisor Reg
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#define UART_O_LCRH 0x0000002C // UART Line Control
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#define UART_O_CTL 0x00000030 // Control Register
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#define UART_O_IFLS 0x00000034 // Interrupt FIFO Level Select Reg
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#define UART_O_IM 0x00000038 // Interrupt Mask Set/Clear Reg
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#define UART_O_RIS 0x0000003C // Raw Interrupt Status Register
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#define UART_O_MIS 0x00000040 // Masked Interrupt Status Register
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#define UART_O_ICR 0x00000044 // Interrupt Clear Register
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#define UART_O_DMACTL 0x00000048 // UART DMA Control
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#define UART_O_LCTL 0x00000090 // UART LIN Control
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#define UART_O_LSS 0x00000094 // UART LIN Snap Shot
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#define UART_O_LTIM 0x00000098 // UART LIN Timer
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//*****************************************************************************
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//
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// The following are defines for the Data Register bits
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//
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//*****************************************************************************
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#define UART_DR_OE 0x00000800 // Overrun Error
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#define UART_DR_BE 0x00000400 // Break Error
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#define UART_DR_PE 0x00000200 // Parity Error
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#define UART_DR_FE 0x00000100 // 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 Receive Status Register bits
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//
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//*****************************************************************************
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#define UART_RSR_OE 0x00000008 // Overrun Error
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#define UART_RSR_BE 0x00000004 // Break Error
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#define UART_RSR_PE 0x00000002 // Parity Error
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#define UART_RSR_FE 0x00000001 // Framing Error
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//*****************************************************************************
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//
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// The following are defines for the Flag Register bits
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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 // TX FIFO Empty
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#define UART_FR_RXFF 0x00000040 // RX FIFO Full
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#define UART_FR_TXFF 0x00000020 // TX FIFO Full
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#define UART_FR_RXFE 0x00000010 // RX 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 Integer baud-rate divisor
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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 Fractional baud-rate divisor
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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 Control Register bits
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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 // Receive Enable
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#define UART_CTL_TXE 0x00000100 // Transmit Enable
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#define UART_CTL_LBE 0x00000080 // Loopback Enable
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#define UART_CTL_LIN 0x00000040 // LIN Mode 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 // SIR (IrDA) Low Power Enable
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#define UART_CTL_SIREN 0x00000002 // SIR (IrDA) 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 Interrupt FIFO Level Select Register bits
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//
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//*****************************************************************************
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#define UART_IFLS_RX_M 0x00000038 // RX FIFO Level Interrupt Mask
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#define UART_IFLS_RX1_8 0x00000000 // 1/8 Full
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#define UART_IFLS_RX2_8 0x00000008 // 1/4 Full
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#define UART_IFLS_RX4_8 0x00000010 // 1/2 Full
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#define UART_IFLS_RX6_8 0x00000018 // 3/4 Full
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#define UART_IFLS_RX7_8 0x00000020 // 7/8 Full
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#define UART_IFLS_TX_M 0x00000007 // TX FIFO Level Interrupt Mask
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#define UART_IFLS_TX1_8 0x00000000 // 1/8 Full
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#define UART_IFLS_TX2_8 0x00000001 // 1/4 Full
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#define UART_IFLS_TX4_8 0x00000002 // 1/2 Full
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#define UART_IFLS_TX6_8 0x00000003 // 3/4 Full
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#define UART_IFLS_TX7_8 0x00000004 // 7/8 Full
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//*****************************************************************************
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//
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// The following are defines for the Interrupt Mask Set/Clear Register bits
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//
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//*****************************************************************************
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#define UART_IM_LME5IM 0x00008000 // LIN Mode Edge 5 Interrupt Mask.
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#define UART_IM_LME1IM 0x00004000 // LIN Mode Edge 1 Interrupt Mask.
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#define UART_IM_LMSBIM 0x00002000 // LIN Mode Sync Break Interrupt
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// Mask.
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#define UART_IM_OEIM 0x00000400 // Overrun Error Interrupt Mask
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#define UART_IM_BEIM 0x00000200 // Break Error Interrupt Mask
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#define UART_IM_PEIM 0x00000100 // Parity Error Interrupt Mask
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#define UART_IM_FEIM 0x00000080 // Framing Error Interrupt Mask
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#define UART_IM_RTIM 0x00000040 // Receive Timeout Interrupt Mask
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#define UART_IM_TXIM 0x00000020 // Transmit Interrupt Mask
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#define UART_IM_RXIM 0x00000010 // 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 Raw Interrupt Status Register
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//
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//*****************************************************************************
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#define UART_RIS_LME5RIS 0x00008000 // LIN Mode Edge 5 Raw Interrupt
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// Status.
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#define UART_RIS_LME1RIS 0x00004000 // LIN Mode Edge 1 Raw Interrupt
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// Status.
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#define UART_RIS_LMSBRIS 0x00002000 // LIN Mode Sync Break Raw
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// Interrupt Status.
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#define UART_RIS_OERIS 0x00000400 // Overrun Error Interrupt Status
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#define UART_RIS_BERIS 0x00000200 // Break Error Interrupt Status
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#define UART_RIS_PERIS 0x00000100 // Parity Error Interrupt Status
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#define UART_RIS_FERIS 0x00000080 // Framing Error Interrupt Status
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#define UART_RIS_RTRIS 0x00000040 // Receive Timeout Interrupt Status
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#define UART_RIS_TXRIS 0x00000020 // Transmit Interrupt Status
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#define UART_RIS_RXRIS 0x00000010 // Receive Interrupt 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 odem
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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 Masked Interrupt Status Register
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//
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//*****************************************************************************
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#define UART_MIS_LME5MIS 0x00008000 // LIN Mode Edge 5 Masked Interrupt
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// Status.
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#define UART_MIS_LME1MIS 0x00004000 // LIN Mode Edge 1 Masked Interrupt
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// Status.
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#define UART_MIS_LMSBMIS 0x00002000 // LIN Mode Sync Break Masked
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// Interrupt Status.
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#define UART_MIS_OEMIS 0x00000400 // Overrun Error Interrupt Status
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#define UART_MIS_BEMIS 0x00000200 // Break Error Interrupt Status
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#define UART_MIS_PEMIS 0x00000100 // Parity Error Interrupt Status
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#define UART_MIS_FEMIS 0x00000080 // Framing Error Interrupt Status
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#define UART_MIS_RTMIS 0x00000040 // Receive Timeout Interrupt Status
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#define UART_MIS_TXMIS 0x00000020 // Transmit Interrupt Status
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#define UART_MIS_RXMIS 0x00000010 // Receive Interrupt 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 odem
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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 Interrupt Clear Register bits
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//
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//*****************************************************************************
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#define UART_ICR_LME5MIC 0x00008000 // LIN Mode Edge 5 Interrupt Clear.
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#define UART_ICR_LME1MIC 0x00004000 // LIN Mode Edge 1 Interrupt Clear.
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#define UART_ICR_LMSBMIC 0x00002000 // LIN Mode Sync Break Interrupt
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// 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 Timeout 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 odem
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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_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_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_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_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_LCTL register.
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//
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//*****************************************************************************
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#define UART_LCTL_BLEN_M 0x00000030 // Sync Break Length.
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#define UART_LCTL_BLEN_13T 0x00000000 // Sync break length is 13T bits
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// (default)
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#define UART_LCTL_BLEN_14T 0x00000010 // Sync break length is 14T bits
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#define UART_LCTL_BLEN_15T 0x00000020 // Sync break length is 15T bits
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#define UART_LCTL_BLEN_16T 0x00000030 // Sync break length is 16T bits
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#define UART_LCTL_MASTER 0x00000001 // LIN Master 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_LSS register.
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//
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//*****************************************************************************
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#define UART_LSS_TSS_M 0x0000FFFF // Timer Snap Shot.
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#define UART_LSS_TSS_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_LTIM register.
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//
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//*****************************************************************************
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#define UART_LTIM_TIMER_M 0x0000FFFF // Timer Value.
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#define UART_LTIM_TIMER_S 0
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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 UART Register offsets.
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//
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//*****************************************************************************
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#define UART_O_LCR_H 0x0000002C // Line Control Register, HIGH byte
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#define UART_O_PeriphID4 0x00000FD0
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#define UART_O_PeriphID5 0x00000FD4
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#define UART_O_PeriphID6 0x00000FD8
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#define UART_O_PeriphID7 0x00000FDC
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#define UART_O_PeriphID0 0x00000FE0
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#define UART_O_PeriphID1 0x00000FE4
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#define UART_O_PeriphID2 0x00000FE8
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#define UART_O_PeriphID3 0x00000FEC
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#define UART_O_PCellID0 0x00000FF0
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#define UART_O_PCellID1 0x00000FF4
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#define UART_O_PCellID2 0x00000FF8
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#define UART_O_PCellID3 0x00000FFC
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//*****************************************************************************
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//
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// The following are deprecated defines for the Data Register bits
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//
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//*****************************************************************************
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#define UART_DR_DATA_MASK 0x000000FF // UART data
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//*****************************************************************************
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//
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// The following are deprecated defines for the Integer baud-rate divisor
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//
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//*****************************************************************************
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#define UART_IBRD_DIVINT_MASK 0x0000FFFF // Integer baud-rate divisor
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//*****************************************************************************
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//
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// The following are deprecated defines for the Fractional baud-rate divisor
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//
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//*****************************************************************************
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#define UART_FBRD_DIVFRAC_MASK 0x0000003F // Fractional baud-rate divisor
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//*****************************************************************************
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//
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// The following are deprecated defines for the Line Control Register High bits
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//
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//*****************************************************************************
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#define UART_LCR_H_SPS 0x00000080 // Stick Parity Select
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#define UART_LCR_H_WLEN 0x00000060 // Word length
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#define UART_LCR_H_WLEN_5 0x00000000 // 5 bit data
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#define UART_LCR_H_WLEN_6 0x00000020 // 6 bit data
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#define UART_LCR_H_WLEN_7 0x00000040 // 7 bit data
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#define UART_LCR_H_WLEN_8 0x00000060 // 8 bit data
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#define UART_LCR_H_FEN 0x00000010 // Enable FIFO
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#define UART_LCR_H_STP2 0x00000008 // Two Stop Bits Select
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#define UART_LCR_H_EPS 0x00000004 // Even Parity Select
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#define UART_LCR_H_PEN 0x00000002 // Parity Enable
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#define UART_LCR_H_BRK 0x00000001 // Send Break
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//*****************************************************************************
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//
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// The following are deprecated defines for the Interrupt FIFO Level Select
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// Register bits
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//
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//*****************************************************************************
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#define UART_IFLS_RX_MASK 0x00000038 // RX FIFO level mask
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#define UART_IFLS_TX_MASK 0x00000007 // TX FIFO level mask
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//*****************************************************************************
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//
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// The following are deprecated defines for the Interrupt Clear Register bits
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//
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//*****************************************************************************
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#define UART_RSR_ANY (UART_RSR_OE | UART_RSR_BE | UART_RSR_PE | \
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UART_RSR_FE)
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//*****************************************************************************
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//
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// The following are deprecated defines for the Reset Values for UART
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// Registers.
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//
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//*****************************************************************************
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#define UART_RV_CTL 0x00000300
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#define UART_RV_PCellID1 0x000000F0
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#define UART_RV_PCellID3 0x000000B1
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#define UART_RV_FR 0x00000090
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#define UART_RV_PeriphID2 0x00000018
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#define UART_RV_IFLS 0x00000012
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#define UART_RV_PeriphID0 0x00000011
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#define UART_RV_PCellID0 0x0000000D
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#define UART_RV_PCellID2 0x00000005
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#define UART_RV_PeriphID3 0x00000001
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#define UART_RV_PeriphID4 0x00000000
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#define UART_RV_LCR_H 0x00000000
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#define UART_RV_PeriphID6 0x00000000
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#define UART_RV_DR 0x00000000
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#define UART_RV_RSR 0x00000000
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#define UART_RV_ECR 0x00000000
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#define UART_RV_PeriphID5 0x00000000
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#define UART_RV_RIS 0x00000000
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#define UART_RV_FBRD 0x00000000
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#define UART_RV_IM 0x00000000
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#define UART_RV_MIS 0x00000000
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#define UART_RV_ICR 0x00000000
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#define UART_RV_PeriphID1 0x00000000
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#define UART_RV_PeriphID7 0x00000000
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#define UART_RV_IBRD 0x00000000
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#endif
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#endif // __HW_UART_H__
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