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//###########################################################################
//
// FILE: uart.h
//
// TITLE: Stellaris style wrapper driver for C28x SCI peripheral.
//
//###########################################################################
// $TI Release: F2837xD Support Library v3.05.00.00 $
// $Release Date: Tue Jun 26 03:15:23 CDT 2018 $
// $Copyright:
// Copyright (C) 2013-2018 Texas Instruments Incorporated - http://www.ti.com/
//
// 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.
// $
//###########################################################################
#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 ui32IntFlags parameter, and returned from UARTIntStatus.
//
//*****************************************************************************
#define UART_INT_RXERR 0x01
#define UART_INT_RXRDY_BRKDT 0x02
#define UART_INT_TXRDY 0x04
#define UART_INT_TXFF 0x08
#define UART_INT_RXFF 0x10
//*****************************************************************************
//
// Values that can be passed to UARTConfigSetExpClk as the ui32Config parameter
// and returned by UARTConfigGetExpClk in the pui32Config parameter.
// Additionally, the UART_CONFIG_PAR_* subset can be passed to
// UARTParityModeSet as the ui32Parity parameter, and are returned by
// UARTParityModeGet.
//
//*****************************************************************************
#define UART_CONFIG_WLEN_MASK 0x00000007 // Mask for extracting word length
#define UART_CONFIG_WLEN_8 0x00000007 // 8 bit data
#define UART_CONFIG_WLEN_7 0x00000006 // 7 bit data
#define UART_CONFIG_WLEN_6 0x00000005 // 6 bit data
#define UART_CONFIG_WLEN_5 0x00000004 // 5 bit data
#define UART_CONFIG_STOP_MASK 0x00000080 // Mask for extracting stop bits
#define UART_CONFIG_STOP_ONE 0x00000000 // One stop bit
#define UART_CONFIG_STOP_TWO 0x00000080 // Two stop bits
#define UART_CONFIG_PAR_MASK 0x00000060 // Parity Mask
#define UART_CONFIG_PAR_NONE 0x00000000 // No parity
#define UART_CONFIG_PAR_EVEN 0x00000060 // Even parity
#define UART_CONFIG_PAR_ODD 0x00000020 // Odd parity
#define UART_CONFIG_PAR_ONE 0x00000020 // Parity bit is one
#define UART_CONFIG_PAR_ZERO 0x00000060 // Parity bit is zero
//*****************************************************************************
//
// Values that can be passed to UARTFIFOLevelSet as the ui32TxLevel parameter and
// returned by UARTFIFOLevelGet in the pui32TxLevel.
//
//*****************************************************************************
#define UART_FIFO_TX1_8 0x00000001 // Transmit interrupt at 1/4 Full
#define UART_FIFO_TX2_8 0x00000002 // Transmit interrupt at 1/2 Full
#define UART_FIFO_TX4_8 0x00000003 // Transmit interrupt at 3/4 Full
#define UART_FIFO_TX6_8 0x00000004 // Transmit interrupt Full
//*****************************************************************************
//
// Values that can be passed to UARTFIFOLevelSet as the ui32RxLevel parameter and
// returned by UARTFIFOLevelGet in the pui32RxLevel.
//
//*****************************************************************************
#define UART_FIFO_RX1_8 0x00000001 // Receive interrupt at 1/4 Full
#define UART_FIFO_RX2_8 0x00000002 // Receive interrupt at 1/2 Full
#define UART_FIFO_RX4_8 0x00000003 // Receive interrupt at 3/4 Full
#define UART_FIFO_RX6_8 0x00000004 // Receive interrupt at 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 0x00000020
#define UART_RXERROR_PARITY 0x00000004
#define UART_RXERROR_FRAMING 0x00000010
//*****************************************************************************
//
// 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 UARTTxIntModeSet() or returned from
// UARTTxIntModeGet().
//
//*****************************************************************************
#define UART_TXINT_MODE_FIFO_M 0x0000001F
#define UART_TXINT_MODE_EOT 0x00000000
//*****************************************************************************
//
// API Function prototypes
//
//*****************************************************************************
extern void UARTParityModeSet(uint32_t ui32Base, uint32_t ui32Parity);
extern uint32_t UARTParityModeGet(uint32_t ui32Base);
extern void UARTFIFOIntLevelSet(uint32_t ui32Base, uint32_t ui32TxLevel,
uint32_t ui32RxLevel);
extern void UARTFIFOIntLevelGet(uint32_t ui32Base, uint32_t *pui32TxLevel,
uint32_t *pui32RxLevel);
extern void UARTFIFOLevelGet(uint32_t ui32Base, uint32_t *pui32TxLevel,
uint32_t *pui32RxLevel);
extern void UARTConfigSetExpClk(uint32_t ui32Base, uint32_t ui32UARTClk,
uint32_t ui32Baud, uint32_t ui32Config);
extern void UARTConfigGetExpClk(uint32_t ui32Base, uint32_t ui32UARTClk,
uint32_t *pui32Baud, uint32_t *pui32Config);
extern void UARTEnable(uint32_t ui32Base);
extern void UARTDisable(uint32_t ui32Base);
extern void UARTsetLoopBack(uint32_t ui32Base, bool enable);
extern void UARTFIFOEnable(uint32_t ui32Base);
extern void UARTFIFODisable(uint32_t ui32Base);
extern bool UARTCharsAvail(uint32_t ui32Base);
extern bool UARTSpaceAvail(uint32_t ui32Base);
extern int32_t UARTCharGetNonBlocking(uint32_t ui32Base);
extern int32_t UARTCharGet(uint32_t ui32Base);
extern bool UARTCharPutNonBlocking(uint32_t ui32Base, unsigned char ucData);
extern void UARTCharPut(uint32_t ui32Base, unsigned char ucData);
extern bool UARTBusy(uint32_t ui32Base);
extern void UARTRXIntRegister(uint32_t ui32Base, void(*pfnHandler)(void));
extern void UARTTXIntRegister(uint32_t ui32Base, void(*pfnHandler)(void));
extern void UARTRXIntUnregister(uint32_t ui32Base);
extern void UARTTXIntUnregister(uint32_t ui32Base);
extern void UARTIntEnable(uint32_t ui32Base, uint32_t ui32IntFlags);
extern void UARTIntDisable(uint32_t ui32Base, uint32_t ui32IntFlags);
extern uint32_t UARTIntStatus(uint32_t ui32Base, bool bMasked);
extern void UARTIntClear(uint32_t ui32Base, uint32_t ui32IntFlags);
extern uint32_t UARTRxErrorGet(uint32_t ui32Base);
extern void UARTRxErrorClear(uint32_t ui32Base);
extern void UARTTxIntModeSet(uint32_t ui32Base, uint32_t ui32Mode);
extern uint32_t UARTTxIntModeGet(uint32_t ui32Base);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __UART_H__
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