?? hw_uart.h
字號:
//*****************************************************************************
//
// hw_uart.h - Macros and defines used when accessing the UART hardware
//
// Copyright (c) 2005,2006 Luminary Micro, Inc. All rights reserved.
//
// Software License Agreement
//
// Luminary Micro, Inc. (LMI) is supplying this software for use solely and
// exclusively on LMI's Stellaris Family of microcontroller products.
//
// The software is owned by LMI and/or its suppliers, and is protected under
// applicable copyright laws. All rights are reserved. Any use in violation
// of the foregoing restrictions may subject the user to criminal sanctions
// under applicable laws, as well as to civil liability for the breach of the
// terms and conditions of this license.
//
// THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
// OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
// LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
// CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
//
// This is part of revision 991 of the Stellaris Driver Library.
//
//*****************************************************************************
#ifndef __HW_UART_H__
#define __HW_UART_H__
//*****************************************************************************
//
// UART Register Offsets.
//
//*****************************************************************************
#define UART_O_DR 0x00000000 // Data Register
#define UART_O_RSR 0x00000004 // Receive Status Register (read)
#define UART_O_ECR 0x00000004 // Error Clear Register (write)
#define UART_O_FR 0x00000018 // Flag Register (read only)
#define UART_O_IBRD 0x00000024 // Integer Baud Rate Divisor Reg
#define UART_O_FBRD 0x00000028 // Fractional Baud Rate Divisor Reg
#define UART_O_LCR_H 0x0000002C // Line Control Register, HIGH byte
#define UART_O_CTL 0x00000030 // Control Register
#define UART_O_IFLS 0x00000034 // Interrupt FIFO Level Select Reg
#define UART_O_IM 0x00000038 // Interrupt Mask Set/Clear Reg
#define UART_O_RIS 0x0000003C // Raw Interrupt Status Register
#define UART_O_MIS 0x00000040 // Masked Interrupt Status Register
#define UART_O_ICR 0x00000044 // Interrupt Clear Register
#define UART_O_PeriphID4 0x00000FD0 //
#define UART_O_PeriphID5 0x00000FD4 //
#define UART_O_PeriphID6 0x00000FD8 //
#define UART_O_PeriphID7 0x00000FDC //
#define UART_O_PeriphID0 0x00000FE0 //
#define UART_O_PeriphID1 0x00000FE4 //
#define UART_O_PeriphID2 0x00000FE8 //
#define UART_O_PeriphID3 0x00000FEC //
#define UART_O_PCellID0 0x00000FF0 //
#define UART_O_PCellID1 0x00000FF4 //
#define UART_O_PCellID2 0x00000FF8 //
#define UART_O_PCellID3 0x00000FFC //
//*****************************************************************************
//
// Data Register bits
//
//*****************************************************************************
#define UART_DR_OE 0x00000800 // Overrun Error
#define UART_DR_BE 0x00000400 // Break Error
#define UART_DR_PE 0x00000200 // Parity Error
#define UART_DR_FE 0x00000100 // Framing Error
#define UART_DR_DATA_MASK 0x000000FF // UART data
//*****************************************************************************
//
// Receive Status Register bits
//
//*****************************************************************************
#define UART_RSR_OE 0x00000008 // Overrun Error
#define UART_RSR_BE 0x00000004 // Break Error
#define UART_RSR_PE 0x00000002 // Parity Error
#define UART_RSR_FE 0x00000001 // Framing Error
//*****************************************************************************
//
// Flag Register bits
//
//*****************************************************************************
#define UART_FR_TXFE 0x00000080 // TX FIFO Empty
#define UART_FR_RXFF 0x00000040 // RX FIFO Full
#define UART_FR_TXFF 0x00000020 // TX FIFO Full
#define UART_FR_RXFE 0x00000010 // RX FIFO Empty
#define UART_FR_BUSY 0x00000008 // UART Busy
//*****************************************************************************
//
// Integer baud-rate divisor
//
//*****************************************************************************
#define UART_IBRD_DIVINT_MASK 0x0000FFFF // Integer baud-rate divisor
//*****************************************************************************
//
// Fractional baud-rate divisor
//
//*****************************************************************************
#define UART_FBRD_DIVFRAC_MASK 0x0000003F // Fractional baud-rate divisor
//*****************************************************************************
//
// Line Control Register High bits
//
//*****************************************************************************
#define UART_LCR_H_SPS 0x00000080 // Stick Parity Select
#define UART_LCR_H_WLEN 0x00000060 // Word length
#define UART_LCR_H_WLEN_8 0x00000060 // 8 bit data
#define UART_LCR_H_WLEN_7 0x00000040 // 7 bit data
#define UART_LCR_H_WLEN_6 0x00000020 // 6 bit data
#define UART_LCR_H_WLEN_5 0x00000000 // 5 bit data
#define UART_LCR_H_FEN 0x00000010 // Enable FIFO
#define UART_LCR_H_STP2 0x00000008 // Two Stop Bits Select
#define UART_LCR_H_EPS 0x00000004 // Even Parity Select
#define UART_LCR_H_PEN 0x00000002 // Parity Enable
#define UART_LCR_H_BRK 0x00000001 // Send Break
//*****************************************************************************
//
// Control Register bits
//
//*****************************************************************************
#define UART_CTL_RXE 0x00000200 // Receive Enable
#define UART_CTL_TXE 0x00000100 // Transmit Enable
#define UART_CTL_LBE 0x00000080 // Loopback Enable
#define UART_CTL_UARTEN 0x00000001 // UART Enable
//*****************************************************************************
//
// Interrupt FIFO Level Select Register bits
//
//*****************************************************************************
#define UART_IFLS_RX1_8 0x00000000 // 1/8 Full
#define UART_IFLS_RX2_8 0x00000010 // 1/4 Full
#define UART_IFLS_RX4_8 0x00000020 // 1/2 Full
#define UART_IFLS_RX6_8 0x00000030 // 3/4 Full
#define UART_IFLS_RX7_8 0x00000040 // 7/8 Full
#define UART_IFLS_TX1_8 0x00000000 // 1/8 Full
#define UART_IFLS_TX2_8 0x00000001 // 1/4 Full
#define UART_IFLS_TX4_8 0x00000002 // 1/2 Full
#define UART_IFLS_TX6_8 0x00000003 // 3/4 Full
#define UART_IFLS_TX7_8 0x00000004 // 7/8 Full
//*****************************************************************************
//
// Interrupt Mask Set/Clear Register bits
//
//*****************************************************************************
#define UART_IM_OEIM 0x00000400 // Overrun Error Interrupt Mask
#define UART_IM_BEIM 0x00000200 // Break Error Interrupt Mask
#define UART_IM_PEIM 0x00000100 // Parity Error Interrupt Mask
#define UART_IM_FEIM 0x00000080 // Framing Error Interrupt Mask
#define UART_IM_RTIM 0x00000040 // Receive Timeout Interrupt Mask
#define UART_IM_TXIM 0x00000020 // Transmit Interrupt Mask
#define UART_IM_RXIM 0x00000010 // Receive Interrupt Mask
//*****************************************************************************
//
// Raw Interrupt Status Register
//
//*****************************************************************************
#define UART_RIS_OERIS 0x00000400 // Overrun Error Interrupt Status
#define UART_RIS_BERIS 0x00000200 // Break Error Interrupt Status
#define UART_RIS_PERIS 0x00000100 // Parity Error Interrupt Status
#define UART_RIS_FERIS 0x00000080 // Framing Error Interrupt Status
#define UART_RIS_RTRIS 0x00000040 // Receive Timeout Interrupt Status
#define UART_RIS_TXRIS 0x00000020 // Transmit Interrupt Status
#define UART_RIS_RXRIS 0x00000010 // Receive Interrupt Status
//*****************************************************************************
//
// Masked Interrupt Status Register
//
//*****************************************************************************
#define UART_MIS_OEMIS 0x00000400 // Overrun Error Interrupt Status
#define UART_MIS_BEMIS 0x00000200 // Break Error Interrupt Status
#define UART_MIS_PEMIS 0x00000100 // Parity Error Interrupt Status
#define UART_MIS_FEMIS 0x00000080 // Framing Error Interrupt Status
#define UART_MIS_RTMIS 0x00000040 // Receive Timeout Interrupt Status
#define UART_MIS_TXMIS 0x00000020 // Transmit Interrupt Status
#define UART_MIS_RXMIS 0x00000010 // Receive Interrupt Status
//*****************************************************************************
//
// Interrupt Clear Register bits
//
//*****************************************************************************
#define UART_ICR_OEIC 0x00000400 // Overrun Error Interrupt Clear
#define UART_ICR_BEIC 0x00000200 // Break Error Interrupt Clear
#define UART_ICR_PEIC 0x00000100 // Parity Error Interrupt Clear
#define UART_ICR_FEIC 0x00000080 // Framing Error Interrupt Clear
#define UART_ICR_RTIC 0x00000040 // Receive Timeout Interrupt Clear
#define UART_ICR_TXIC 0x00000020 // Transmit Interrupt Clear
#define UART_ICR_RXIC 0x00000010 // Receive Interrupt Clear
#define UART_RSR_ANY (UART_RSR_OE | \
UART_RSR_BE | \
UART_RSR_PE | \
UART_RSR_FE)
//*****************************************************************************
//
// Reset Values for UART Registers.
//
//*****************************************************************************
#define UART_RV_DR 0x00000000
#define UART_RV_RSR 0x00000000
#define UART_RV_ECR 0x00000000
#define UART_RV_FR 0x00000090
#define UART_RV_IBRD 0x00000000
#define UART_RV_FBRD 0x00000000
#define UART_RV_LCR_H 0x00000000
#define UART_RV_CTL 0x00000300
#define UART_RV_IFLS 0x00000012
#define UART_RV_IM 0x00000000
#define UART_RV_RIS 0x00000000
#define UART_RV_MIS 0x00000000
#define UART_RV_ICR 0x00000000
#define UART_RV_PeriphID4 0x00000000
#define UART_RV_PeriphID5 0x00000000
#define UART_RV_PeriphID6 0x00000000
#define UART_RV_PeriphID7 0x00000000
#define UART_RV_PeriphID0 0x00000011
#define UART_RV_PeriphID1 0x00000000
#define UART_RV_PeriphID2 0x00000018
#define UART_RV_PeriphID3 0x00000001
#define UART_RV_PCellID0 0x0000000D
#define UART_RV_PCellID1 0x000000F0
#define UART_RV_PCellID2 0x00000005
#define UART_RV_PCellID3 0x000000B1
#endif // __HW_UART_H__
?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -