244 lines
12 KiB
C
244 lines
12 KiB
C
//*****************************************************************************
|
|
//
|
|
// uart.h - Defines and Macros for the UART.
|
|
//
|
|
// Copyright (c) 2005-2010 Texas Instruments Incorporated. All rights reserved.
|
|
// Software License Agreement
|
|
//
|
|
// Texas Instruments (TI) is supplying this software for use solely and
|
|
// exclusively on TI's microcontroller products. The software is owned by
|
|
// TI and/or its suppliers, and is protected under applicable copyright
|
|
// laws. You may not combine this software with "viral" open-source
|
|
// software in order to form a larger program.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
|
|
// 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. TI SHALL NOT, UNDER ANY
|
|
// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
|
|
// DAMAGES, FOR ANY REASON WHATSOEVER.
|
|
//
|
|
// This is part of revision 6459 of the Stellaris Peripheral Driver Library.
|
|
//
|
|
//*****************************************************************************
|
|
|
|
#ifndef __UART_H__
|
|
#define __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_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
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// 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);
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Several UART APIs have been renamed, with the original function name being
|
|
// deprecated. These defines provide backward compatibility.
|
|
//
|
|
//*****************************************************************************
|
|
#ifndef DEPRECATED
|
|
#include "driverlib/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 // __UART_H__
|