uart.h
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//*****************************************************************************
//
// uart.h - Defines and Macros for the UART.
//
// Copyright (c) 2005-2012 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 9453 of the Stellaris Peripheral Driver Library.
//
//*****************************************************************************
#ifndef STELLARIS_UART_H
#define STELLARIS_UART_H
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// Values that can be passed to UARTIntEnable, UARTIntDisable, and UARTIntClear
// as the ulIntFlags parameter, and returned from UARTIntStatus.
//
//*****************************************************************************
#define UART_INT_9BIT 0x1000 // 9-bit address match interrupt
#define UART_INT_OE 0x400 // Overrun Error Interrupt Mask
#define UART_INT_BE 0x200 // Break Error Interrupt Mask
#define UART_INT_PE 0x100 // Parity Error Interrupt Mask
#define UART_INT_FE 0x080 // Framing Error Interrupt Mask
#define UART_INT_RT 0x040 // Receive Timeout Interrupt Mask
#define UART_INT_TX 0x020 // Transmit Interrupt Mask
#define UART_INT_RX 0x010 // Receive Interrupt Mask
#define UART_INT_DSR 0x008 // DSR Modem Interrupt Mask
#define UART_INT_DCD 0x004 // DCD Modem Interrupt Mask
#define UART_INT_CTS 0x002 // CTS Modem Interrupt Mask
#define UART_INT_RI 0x001 // RI Modem Interrupt Mask
//*****************************************************************************
//
// Values that can be passed to UARTConfigSetExpClk as the ulConfig parameter
// and returned by UARTConfigGetExpClk in the pulConfig parameter.
// Additionally, the UART_CONFIG_PAR_* subset can be passed to
// UARTParityModeSet as the ulParity parameter, and are returned by
// UARTParityModeGet.
//
//*****************************************************************************
#define UART_CONFIG_WLEN_MASK 0x00000060 // Mask for extracting word length
#define UART_CONFIG_WLEN_8 0x00000060 // 8 bit data
#define UART_CONFIG_WLEN_7 0x00000040 // 7 bit data
#define UART_CONFIG_WLEN_6 0x00000020 // 6 bit data
#define UART_CONFIG_WLEN_5 0x00000000 // 5 bit data
#define UART_CONFIG_STOP_MASK 0x00000008 // Mask for extracting stop bits
#define UART_CONFIG_STOP_ONE 0x00000000 // One stop bit
#define UART_CONFIG_STOP_TWO 0x00000008 // Two stop bits
#define UART_CONFIG_PAR_MASK 0x00000086 // Mask for extracting parity
#define UART_CONFIG_PAR_NONE 0x00000000 // No parity
#define UART_CONFIG_PAR_EVEN 0x00000006 // Even parity
#define UART_CONFIG_PAR_ODD 0x00000002 // Odd parity
#define UART_CONFIG_PAR_ONE 0x00000082 // Parity bit is one
#define UART_CONFIG_PAR_ZERO 0x00000086 // Parity bit is zero
//*****************************************************************************
//
// Values that can be passed to UARTFIFOLevelSet as the ulTxLevel parameter and
// returned by UARTFIFOLevelGet in the pulTxLevel.
//
//*****************************************************************************
#define UART_FIFO_TX1_8 0x00000000 // Transmit interrupt at 1/8 Full
#define UART_FIFO_TX2_8 0x00000001 // Transmit interrupt at 1/4 Full
#define UART_FIFO_TX4_8 0x00000002 // Transmit interrupt at 1/2 Full
#define UART_FIFO_TX6_8 0x00000003 // Transmit interrupt at 3/4 Full
#define UART_FIFO_TX7_8 0x00000004 // Transmit interrupt at 7/8 Full
//*****************************************************************************
//
// Values that can be passed to UARTFIFOLevelSet as the ulRxLevel parameter and
// returned by UARTFIFOLevelGet in the pulRxLevel.
//
//*****************************************************************************
#define UART_FIFO_RX1_8 0x00000000 // Receive interrupt at 1/8 Full
#define UART_FIFO_RX2_8 0x00000008 // Receive interrupt at 1/4 Full
#define UART_FIFO_RX4_8 0x00000010 // Receive interrupt at 1/2 Full
#define UART_FIFO_RX6_8 0x00000018 // Receive interrupt at 3/4 Full
#define UART_FIFO_RX7_8 0x00000020 // Receive interrupt at 7/8 Full
//*****************************************************************************
//
// Values that can be passed to UARTDMAEnable() and UARTDMADisable().
//
//*****************************************************************************
#define UART_DMA_ERR_RXSTOP 0x00000004 // Stop DMA receive if UART error
#define UART_DMA_TX 0x00000002 // Enable DMA for transmit
#define UART_DMA_RX 0x00000001 // Enable DMA for receive
//*****************************************************************************
//
// Values returned from UARTRxErrorGet().
//
//*****************************************************************************
#define UART_RXERROR_OVERRUN 0x00000008
#define UART_RXERROR_BREAK 0x00000004
#define UART_RXERROR_PARITY 0x00000002
#define UART_RXERROR_FRAMING 0x00000001
//*****************************************************************************
//
// Values that can be passed to UARTHandshakeOutputsSet() or returned from
// UARTHandshakeOutputGet().
//
//*****************************************************************************
#define UART_OUTPUT_RTS 0x00000800
#define UART_OUTPUT_DTR 0x00000400
//*****************************************************************************
//
// Values that can be returned from UARTHandshakeInputsGet().
//
//*****************************************************************************
#define UART_INPUT_RI 0x00000100
#define UART_INPUT_DCD 0x00000004
#define UART_INPUT_DSR 0x00000002
#define UART_INPUT_CTS 0x00000001
//*****************************************************************************
//
// Values that can be passed to UARTFlowControl() or returned from
// UARTFlowControlGet().
//
//*****************************************************************************
#define UART_FLOWCONTROL_TX 0x00008000
#define UART_FLOWCONTROL_RX 0x00004000
#define UART_FLOWCONTROL_NONE 0x00000000
//*****************************************************************************
//
// Values that can be passed to UARTTxIntModeSet() or returned from
// UARTTxIntModeGet().
//
//*****************************************************************************
#define UART_TXINT_MODE_FIFO 0x00000000
#define UART_TXINT_MODE_EOT 0x00000010
//*****************************************************************************
//
// Values that can be passed to UARTClockSourceSet() or returned from
// UARTClockSourceGet().
//
//*****************************************************************************
#define UART_CLOCK_SYSTEM 0x00000000
#define UART_CLOCK_PIOSC 0x00000005
//*****************************************************************************
//
// API Function prototypes
//
//*****************************************************************************
extern void UARTParityModeSet(unsigned long ulBase, unsigned long ulParity);
extern unsigned long UARTParityModeGet(unsigned long ulBase);
extern void UARTFIFOLevelSet(unsigned long ulBase, unsigned long ulTxLevel,
unsigned long ulRxLevel);
extern void UARTFIFOLevelGet(unsigned long ulBase, unsigned long *pulTxLevel,
unsigned long *pulRxLevel);
extern void UARTConfigSetExpClk(unsigned long ulBase, unsigned long ulUARTClk,
unsigned long ulBaud, unsigned long ulConfig);
extern void UARTConfigGetExpClk(unsigned long ulBase, unsigned long ulUARTClk,
unsigned long *pulBaud,
unsigned long *pulConfig);
extern void UARTEnable(unsigned long ulBase);
extern void UARTDisable(unsigned long ulBase);
extern void UARTFIFOEnable(unsigned long ulBase);
extern void UARTFIFODisable(unsigned long ulBase);
extern void UARTEnableSIR(unsigned long ulBase, tBoolean bLowPower);
extern void UARTDisableSIR(unsigned long ulBase);
extern tBoolean UARTCharsAvail(unsigned long ulBase);
extern tBoolean UARTSpaceAvail(unsigned long ulBase);
extern long UARTCharGetNonBlocking(unsigned long ulBase);
extern long UARTCharGet(unsigned long ulBase);
extern tBoolean UARTCharPutNonBlocking(unsigned long ulBase,
unsigned char ucData);
extern void UARTCharPut(unsigned long ulBase, unsigned char ucData);
extern void UARTBreakCtl(unsigned long ulBase, tBoolean bBreakState);
extern tBoolean UARTBusy(unsigned long ulBase);
extern void UARTIntRegister(unsigned long ulBase, void(*pfnHandler)(void));
extern void UARTIntUnregister(unsigned long ulBase);
extern void UARTIntEnable(unsigned long ulBase, unsigned long ulIntFlags);
extern void UARTIntDisable(unsigned long ulBase, unsigned long ulIntFlags);
extern unsigned long UARTIntStatus(unsigned long ulBase, tBoolean bMasked);
extern void UARTIntClear(unsigned long ulBase, unsigned long ulIntFlags);
extern void UARTDMAEnable(unsigned long ulBase, unsigned long ulDMAFlags);
extern void UARTDMADisable(unsigned long ulBase, unsigned long ulDMAFlags);
extern unsigned long UARTRxErrorGet(unsigned long ulBase);
extern void UARTRxErrorClear(unsigned long ulBase);
extern void UARTSmartCardEnable(unsigned long ulBase);
extern void UARTSmartCardDisable(unsigned long ulBase);
extern void UARTModemControlSet(unsigned long ulBase,
unsigned long ulControl);
extern void UARTModemControlClear(unsigned long ulBase,
unsigned long ulControl);
extern unsigned long UARTModemControlGet(unsigned long ulBase);
extern unsigned long UARTModemStatusGet(unsigned long ulBase);
extern void UARTFlowControlSet(unsigned long ulBase, unsigned long ulMode);
extern unsigned long UARTFlowControlGet(unsigned long ulBase);
extern void UARTTxIntModeSet(unsigned long ulBase, unsigned long ulMode);
extern unsigned long UARTTxIntModeGet(unsigned long ulBase);
extern void UARTClockSourceSet(unsigned long ulBase, unsigned long ulSource);
extern unsigned long UARTClockSourceGet(unsigned long ulBase);
extern void UART9BitEnable(unsigned long ulBase);
extern void UART9BitDisable(unsigned long ulBase);
extern void UART9BitAddrSet(unsigned long ulBase, unsigned char ucAddr,
unsigned char ucMask);
extern void UART9BitAddrSend(unsigned long ulBase, unsigned char ucAddr);
//*****************************************************************************
//
// Several UART APIs have been renamed, with the original function name being
// deprecated. These defines provide backward compatibility.
//
//*****************************************************************************
#ifndef DEPRECATED
#include "sysctl.h"
#define UARTConfigSet(a, b, c) \
UARTConfigSetExpClk(a, SysCtlClockGet(), b, c)
#define UARTConfigGet(a, b, c) \
UARTConfigGetExpClk(a, SysCtlClockGet(), b, c)
#define UARTCharNonBlockingGet(a) \
UARTCharGetNonBlocking(a)
#define UARTCharNonBlockingPut(a, b) \
UARTCharPutNonBlocking(a, b)
#endif
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif /* STELLARIS_UART_H */