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Add FreeRTOS-Plus directory.
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Richard Barry
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6798 changed files with 134949 additions and 19 deletions
178
FreeRTOS/Demo/Common/drivers/LuminaryMicro/uart.h
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178
FreeRTOS/Demo/Common/drivers/LuminaryMicro/uart.h
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//*****************************************************************************
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//
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// uart.h - Defines and Macros for the UART.
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//
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// Copyright (c) 2005-2008 Luminary Micro, Inc. All rights reserved.
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//
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// Software License Agreement
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//
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// Luminary Micro, Inc. (LMI) is supplying this software for use solely and
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// exclusively on LMI's microcontroller products.
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//
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// The software is owned by LMI and/or its suppliers, and is protected under
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// applicable copyright laws. All rights are reserved. You may not combine
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// this software with "viral" open-source software in order to form a larger
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// program. Any use in violation of the foregoing restrictions may subject
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// the user to criminal sanctions under applicable laws, as well as to civil
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// liability for the breach of the terms and conditions of this license.
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//
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// THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
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// OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
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// LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
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// CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
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//
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// This is part of revision 2523 of the Stellaris Peripheral Driver Library.
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//
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//*****************************************************************************
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#ifndef __UART_H__
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#define __UART_H__
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//*****************************************************************************
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//
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// If building with a C++ compiler, make all of the definitions in this header
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// have a C binding.
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//
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//*****************************************************************************
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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//*****************************************************************************
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//
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// Values that can be passed to UARTIntEnable, UARTIntDisable, and UARTIntClear
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// as the ulIntFlags parameter, and returned from UARTIntStatus.
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//
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//*****************************************************************************
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#define UART_INT_OE 0x400 // Overrun Error Interrupt Mask
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#define UART_INT_BE 0x200 // Break Error Interrupt Mask
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#define UART_INT_PE 0x100 // Parity Error Interrupt Mask
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#define UART_INT_FE 0x080 // Framing Error Interrupt Mask
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#define UART_INT_RT 0x040 // Receive Timeout Interrupt Mask
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#define UART_INT_TX 0x020 // Transmit Interrupt Mask
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#define UART_INT_RX 0x010 // Receive Interrupt Mask
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//*****************************************************************************
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//
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// Values that can be passed to UARTConfigSetExpClk as the ulConfig parameter
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// and returned by UARTConfigGetExpClk in the pulConfig parameter.
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// Additionally, the UART_CONFIG_PAR_* subset can be passed to
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// UARTParityModeSet as the ulParity parameter, and are returned by
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// UARTParityModeGet.
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//
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//*****************************************************************************
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#define UART_CONFIG_WLEN_MASK 0x00000060 // Mask for extracting word length
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#define UART_CONFIG_WLEN_8 0x00000060 // 8 bit data
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#define UART_CONFIG_WLEN_7 0x00000040 // 7 bit data
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#define UART_CONFIG_WLEN_6 0x00000020 // 6 bit data
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#define UART_CONFIG_WLEN_5 0x00000000 // 5 bit data
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#define UART_CONFIG_STOP_MASK 0x00000008 // Mask for extracting stop bits
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#define UART_CONFIG_STOP_ONE 0x00000000 // One stop bit
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#define UART_CONFIG_STOP_TWO 0x00000008 // Two stop bits
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#define UART_CONFIG_PAR_MASK 0x00000086 // Mask for extracting parity
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#define UART_CONFIG_PAR_NONE 0x00000000 // No parity
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#define UART_CONFIG_PAR_EVEN 0x00000006 // Even parity
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#define UART_CONFIG_PAR_ODD 0x00000002 // Odd parity
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#define UART_CONFIG_PAR_ONE 0x00000086 // Parity bit is one
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#define UART_CONFIG_PAR_ZERO 0x00000082 // Parity bit is zero
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//*****************************************************************************
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//
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// Values that can be passed to UARTFIFOLevelSet as the ulTxLevel parameter and
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// returned by UARTFIFOLevelGet in the pulTxLevel.
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//
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//*****************************************************************************
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#define UART_FIFO_TX1_8 0x00000000 // Transmit interrupt at 1/8 Full
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#define UART_FIFO_TX2_8 0x00000001 // Transmit interrupt at 1/4 Full
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#define UART_FIFO_TX4_8 0x00000002 // Transmit interrupt at 1/2 Full
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#define UART_FIFO_TX6_8 0x00000003 // Transmit interrupt at 3/4 Full
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#define UART_FIFO_TX7_8 0x00000004 // Transmit interrupt at 7/8 Full
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//*****************************************************************************
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//
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// Values that can be passed to UARTFIFOLevelSet as the ulRxLevel parameter and
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// returned by UARTFIFOLevelGet in the pulRxLevel.
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//
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//*****************************************************************************
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#define UART_FIFO_RX1_8 0x00000000 // Receive interrupt at 1/8 Full
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#define UART_FIFO_RX2_8 0x00000008 // Receive interrupt at 1/4 Full
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#define UART_FIFO_RX4_8 0x00000010 // Receive interrupt at 1/2 Full
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#define UART_FIFO_RX6_8 0x00000018 // Receive interrupt at 3/4 Full
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#define UART_FIFO_RX7_8 0x00000020 // Receive interrupt at 7/8 Full
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//*****************************************************************************
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//
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// Values that can be passed to UARTDMAEnable() and UARTDMADisable().
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//
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//*****************************************************************************
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#define UART_DMA_ERR_RXSTOP 0x00000004 // Stop DMA receive if UART error
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#define UART_DMA_TX 0x00000002 // Enable DMA for transmit
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#define UART_DMA_RX 0x00000001 // Enable DMA for receive
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//*****************************************************************************
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//
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// API Function prototypes
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//
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//*****************************************************************************
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extern void UARTParityModeSet(unsigned long ulBase, unsigned long ulParity);
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extern unsigned long UARTParityModeGet(unsigned long ulBase);
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extern void UARTFIFOLevelSet(unsigned long ulBase, unsigned long ulTxLevel,
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unsigned long ulRxLevel);
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extern void UARTFIFOLevelGet(unsigned long ulBase, unsigned long *pulTxLevel,
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unsigned long *pulRxLevel);
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extern void UARTConfigSetExpClk(unsigned long ulBase, unsigned long ulUARTClk,
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unsigned long ulBaud, unsigned long ulConfig);
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extern void UARTConfigGetExpClk(unsigned long ulBase, unsigned long ulUARTClk,
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unsigned long *pulBaud,
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unsigned long *pulConfig);
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extern void UARTEnable(unsigned long ulBase);
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extern void UARTDisable(unsigned long ulBase);
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extern void UARTEnableSIR(unsigned long ulBase, tBoolean bLowPower);
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extern void UARTDisableSIR(unsigned long ulBase);
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extern tBoolean UARTCharsAvail(unsigned long ulBase);
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extern tBoolean UARTSpaceAvail(unsigned long ulBase);
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extern long UARTCharGetNonBlocking(unsigned long ulBase);
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extern long UARTCharGet(unsigned long ulBase);
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extern tBoolean UARTCharPutNonBlocking(unsigned long ulBase,
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unsigned char ucData);
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extern void UARTCharPut(unsigned long ulBase, unsigned char ucData);
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extern void UARTBreakCtl(unsigned long ulBase, tBoolean bBreakState);
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extern void UARTIntRegister(unsigned long ulBase, void(*pfnHandler)(void));
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extern void UARTIntUnregister(unsigned long ulBase);
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extern void UARTIntEnable(unsigned long ulBase, unsigned long ulIntFlags);
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extern void UARTIntDisable(unsigned long ulBase, unsigned long ulIntFlags);
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extern unsigned long UARTIntStatus(unsigned long ulBase, tBoolean bMasked);
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extern void UARTIntClear(unsigned long ulBase, unsigned long ulIntFlags);
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extern void UARTDMAEnable(unsigned long ulBase, unsigned long ulDMAFlags);
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extern void UARTDMADisable(unsigned long ulBase, unsigned long ulDMAFlags);
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//*****************************************************************************
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//
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// Several UART APIs have been renamed, with the original function name being
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// deprecated. These defines provide backward compatibility.
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//
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//*****************************************************************************
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#ifndef DEPRECATED
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#include "sysctl.h"
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#define UARTConfigSet(a, b, c) \
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UARTConfigSetExpClk(a, SysCtlClockGet(), b, c)
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#define UARTConfigGet(a, b, c) \
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UARTConfigGetExpClk(a, SysCtlClockGet(), b, c)
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#define UARTCharNonBlockingGet(a) \
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UARTCharGetNonBlocking(a)
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#define UARTCharNonBlockingPut(a, b) \
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UARTCharPutNonBlocking(a, b)
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#endif
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//*****************************************************************************
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//
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// Mark the end of the C bindings section for C++ compilers.
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//
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//*****************************************************************************
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#ifdef __cplusplus
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}
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#endif
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#endif // __UART_H__
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