/****************************************************************************** * Filename: uart.h * Revised: $Date: 2013-04-16 12:01:40 +0200 (Tue, 16 Apr 2013) $ * Revision: $Revision: 9777 $ * * Description: Defines and Macros for the UART. * * Copyright (C) 2012 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 #include "hw_types.h" //***************************************************************************** // // Values that can be passed to UARTIntEnable, UARTIntDisable, and UARTIntClear // as the ui32IntFlags 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_CTS 0x002 // CTS Modem Interrupt Mask (only // UART1) //***************************************************************************** // // 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 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 ui32TxLevel parameter and // returned by UARTFIFOLevelGet in the pui32TxLevel. // //***************************************************************************** #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 ui32RxLevel parameter and // returned by UARTFIFOLevelGet in the pui32RxLevel. // //***************************************************************************** #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 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 0x00000001 //***************************************************************************** // // API Function prototypes // //***************************************************************************** extern void UARTParityModeSet(uint32_t ui32Base, uint32_t ui32Parity); extern uint32_t UARTParityModeGet(uint32_t ui32Base); extern void UARTFIFOLevelSet(uint32_t ui32Base, uint32_t ui32TxLevel, uint32_t ui32RxLevel); 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 UARTFIFOEnable(uint32_t ui32Base); extern void UARTFIFODisable(uint32_t ui32Base); extern void UARTEnableSIR(uint32_t ui32Base, bool bLowPower); extern void UARTDisableSIR(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, uint8_t ui8Data); extern void UARTCharPut(uint32_t ui32Base, uint8_t ui8Data); extern void UARTBreakCtl(uint32_t ui32Base, bool bBreakState); extern bool UARTBusy(uint32_t ui32Base); extern void UARTIntRegister(uint32_t ui32Base, void (*pfnHandler)(void)); extern void UARTIntUnregister(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 void UARTDMAEnable(uint32_t ui32Base, uint32_t ui32DMAFlags); extern void UARTDMADisable(uint32_t ui32Base, uint32_t ui32DMAFlags); 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); extern void UARTClockSourceSet(uint32_t ui32Base, uint32_t ui32Source); extern uint32_t UARTClockSourceGet(uint32_t ui32Base); extern void UART9BitEnable(uint32_t ui32Base); extern void UART9BitDisable(uint32_t ui32Base); extern void UART9BitAddrSet(uint32_t ui32Base, uint8_t ui8Addr, uint8_t ui8Mask); extern void UART9BitAddrSend(uint32_t ui32Base, uint8_t ui8Addr); //***************************************************************************** // // Mark the end of the C bindings section for C++ compilers. // //***************************************************************************** #ifdef __cplusplus } #endif #endif // __UART_H__