//########################################################################### // // 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__