| //***************************************************************************** |
| // |
| // uart.h |
| // |
| // Defines and Macros for the UART. |
| // |
| // Copyright (C) 2014 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 ulIntFlags parameter, and returned from UARTIntStatus. |
| // |
| //***************************************************************************** |
| #define UART_INT_DMATX 0x20000 // DMA Tx Done interrupt Mask |
| #define UART_INT_DMARX 0x10000 // DMA Rx Done interrupt Mask |
| #define UART_INT_EOT 0x800 // End of transfer interrupt Mask |
| #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 |
| |
| |
| //***************************************************************************** |
| // |
| // 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 UARTModemControlSet()and UARTModemControlClear() |
| // or returned from UARTModemControlGet(). |
| // |
| //***************************************************************************** |
| #define UART_OUTPUT_RTS 0x00000800 |
| |
| //***************************************************************************** |
| // |
| // Values that can be returned from UARTModemStatusGet(). |
| // |
| //***************************************************************************** |
| #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 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 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); |
| |
| //***************************************************************************** |
| // |
| // Mark the end of the C bindings section for C++ compilers. |
| // |
| //***************************************************************************** |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // __UART_H__ |