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|
/************************************************************************************
* arch/arm/src/stm32/chip/stm32f30xxx_uart.h
*
* Copyright (C) 2013 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name NuttX 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 __ARCH_ARM_STC_STM32_CHIP_STM32F30XXX_UART_H
#define __ARCH_ARM_STC_STM32_CHIP_STM32F30XXX_UART_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include "chip.h"
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* Register Offsets *****************************************************************/
#define STM32_USART_CR1_OFFSET 0x0000 /* Control register 1 */
#define STM32_USART_CR2_OFFSET 0x0004 /* Control register 2 */
#define STM32_USART_CR3_OFFSET 0x0008 /* Control register 3 */
#define STM32_USART_BRR_OFFSET 0x000c /* Baud Rate Register (32-bits) */
#define STM32_USART_GTPR_OFFSET 0x0010 /* Guard time and prescaler register */
#define STM32_USART_RTOR_OFFSET 0x0014 /* Receiver timeout register */
#define STM32_USART_RQR_OFFSET 0x0018 /* Request register */
#define STM32_USART_ISR_OFFSET 0x001c /* Interrupt & status register */
#define STM32_USART_ICR_OFFSET 0x0020 /* Interrupt flag clear register */
#define STM32_USART_RDR_OFFSET 0x0024 /* Receive data register */
#define STM32_USART_TDR_OFFSET 0x0028 /* Transmit data register */
/* Register Addresses ***************************************************************/
#if STM32_NUSART > 0
# define STM32_USART1_CR1 (STM32_USART1_BASE+STM32_USART_CR1_OFFSET)
# define STM32_USART1_CR2 (STM32_USART1_BASE+STM32_USART_CR2_OFFSET)
# define STM32_USART1_CR3 (STM32_USART1_BASE+STM32_USART_CR3_OFFSET)
# define STM32_USART1_BRR (STM32_USART1_BASE+STM32_USART_BRR_OFFSET)
# define STM32_USART1_GTPR (STM32_USART1_BASE+STM32_USART_GTPR_OFFSET)
# define STM32_USART1_RTOR (STM32_USART1_BASE+STM32_USART_RTOR_OFFSET)
# define STM32_USART1_RQR (STM32_USART1_BASE+STM32_USART_RQR_OFFSET)
# define STM32_USART1_GTPR (STM32_USART1_BASE+STM32_USART_GTPR_OFFSET)
# define STM32_USART1_ISR (STM32_USART1_BASE+STM32_USART_ISR_OFFSET)
# define STM32_USART1_ICR (STM32_USART1_BASE+STM32_USART_ICR_OFFSET)
# define STM32_USART1_RDR (STM32_USART1_BASE+STM32_USART_RDR_OFFSET)
# define STM32_USART1_TDR (STM32_USART1_BASE+STM32_USART_TDR_OFFSET)
#endif
#if STM32_NUSART > 1
# define STM32_USART2_CR1 (STM32_USART2_BASE+STM32_USART_CR1_OFFSET)
# define STM32_USART2_CR2 (STM32_USART2_BASE+STM32_USART_CR2_OFFSET)
# define STM32_USART2_CR3 (STM32_USART2_BASE+STM32_USART_CR3_OFFSET)
# define STM32_USART2_BRR (STM32_USART2_BASE+STM32_USART_BRR_OFFSET)
# define STM32_USART2_GTPR (STM32_USART2_BASE+STM32_USART_GTPR_OFFSET)
# define STM32_USART2_RTOR (STM32_USART2_BASE+STM32_USART_RTOR_OFFSET)
# define STM32_USART2_RQR (STM32_USART2_BASE+STM32_USART_RQR_OFFSET)
# define STM32_USART2_GTPR (STM32_USART2_BASE+STM32_USART_GTPR_OFFSET)
# define STM32_USART2_ISR (STM32_USART2_BASE+STM32_USART_ISR_OFFSET)
# define STM32_USART2_ICR (STM32_USART2_BASE+STM32_USART_ICR_OFFSET)
# define STM32_USART2_RDR (STM32_USART2_BASE+STM32_USART_RDR_OFFSET)
# define STM32_USART2_TDR (STM32_USART2_BASE+STM32_USART_TDR_OFFSET)
#endif
#if STM32_NUSART > 2
# define STM32_USART3_CR1 (STM32_USART3_BASE+STM32_USART_CR1_OFFSET)
# define STM32_USART3_CR2 (STM32_USART3_BASE+STM32_USART_CR2_OFFSET)
# define STM32_USART3_CR3 (STM32_USART3_BASE+STM32_USART_CR3_OFFSET)
# define STM32_USART3_BRR (STM32_USART3_BASE+STM32_USART_BRR_OFFSET)
# define STM32_USART3_GTPR (STM32_USART3_BASE+STM32_USART_GTPR_OFFSET)
# define STM32_USART3_RTOR (STM32_USART3_BASE+STM32_USART_RTOR_OFFSET)
# define STM32_USART3_RQR (STM32_USART3_BASE+STM32_USART_RQR_OFFSET)
# define STM32_USART3_GTPR (STM32_USART3_BASE+STM32_USART_GTPR_OFFSET)
# define STM32_USART3_ISR (STM32_USART3_BASE+STM32_USART_ISR_OFFSET)
# define STM32_USART3_ICR (STM32_USART3_BASE+STM32_USART_ICR_OFFSET)
# define STM32_USART3_RDR (STM32_USART3_BASE+STM32_USART_RDR_OFFSET)
# define STM32_USART3_TDR (STM32_USART3_BASE+STM32_USART_TDR_OFFSET)
#endif
#if STM32_NUSART > 3
# define STM32_UART4_CR1 (STM32_UART4_BASE+STM32_USART_CR1_OFFSET)
# define STM32_UART4_CR2 (STM32_UART4_BASE+STM32_USART_CR2_OFFSET)
# define STM32_UART4_CR3 (STM32_UART4_BASE+STM32_USART_CR3_OFFSET)
# define STM32_UART4_BRR (STM32_UART4_BASE+STM32_USART_BRR_OFFSET)
# define STM32_UART4_GTPR (STM32_UART4_BASE+STM32_USART_GTPR_OFFSET)
# define STM32_UART4_RTOR (STM32_UART4_BASE+STM32_USART_RTOR_OFFSET)
# define STM32_UART4_RQR (STM32_UART4_BASE+STM32_USART_RQR_OFFSET)
# define STM32_UART4_GTPR (STM32_UART4_BASE+STM32_USART_GTPR_OFFSET)
# define STM32_UART4_ISR (STM32_UART4_BASE+STM32_USART_ISR_OFFSET)
# define STM32_UART4_ICR (STM32_UART4_BASE+STM32_USART_ICR_OFFSET)
# define STM32_UART4_RDR (STM32_UART4_BASE+STM32_USART_RDR_OFFSET)
# define STM32_UART4_TDR (STM32_UART4_BASE+STM32_USART_TDR_OFFSET)
#endif
#if STM32_NUSART > 4
# define STM32_UART5_CR1 (STM32_UART5_BASE+STM32_USART_CR1_OFFSET)
# define STM32_UART5_CR2 (STM32_UART5_BASE+STM32_USART_CR2_OFFSET)
# define STM32_UART5_CR3 (STM32_UART5_BASE+STM32_USART_CR3_OFFSET)
# define STM32_UART5_BRR (STM32_UART5_BASE+STM32_USART_BRR_OFFSET)
# define STM32_UART5_GTPR (STM32_UART5_BASE+STM32_USART_GTPR_OFFSET)
# define STM32_UART5_RTOR (STM32_UART5_BASE+STM32_USART_RTOR_OFFSET)
# define STM32_UART5_RQR (STM32_UART5_BASE+STM32_USART_RQR_OFFSET)
# define STM32_UART5_GTPR (STM32_UART5_BASE+STM32_USART_GTPR_OFFSET)
# define STM32_UART5_ISR (STM32_UART5_BASE+STM32_USART_ISR_OFFSET)
# define STM32_UART5_ICR (STM32_UART5_BASE+STM32_USART_ICR_OFFSET)
# define STM32_UART5_RDR (STM32_UART5_BASE+STM32_USART_RDR_OFFSET)
# define STM32_UART5_TDR (STM32_UART5_BASE+STM32_USART_TDR_OFFSET)
#endif
/* Register Bitfield Definitions ****************************************************/
/* Control register 1 */
#define USART_CR1_UE (1 << 0) /* Bit 0: USART enable */
#define USART_CR1_UESM (1 << 1) /* Bit 1: USART enable in Stop mode */
#define USART_CR1_RE (1 << 2) /* Bit 2: Receiver Enable */
#define USART_CR1_TE (1 << 3) /* Bit 3: Transmitter Enable */
#define USART_CR1_IDLEIE (1 << 4) /* Bit 4: IDLE Interrupt Enable */
#define USART_CR1_RXNEIE (1 << 5) /* Bit 5: RXNE Interrupt Enable */
#define USART_CR1_TCIE (1 << 6) /* Bit 6: Transmission Complete Interrupt Enable */
#define USART_CR1_TXEIE (1 << 7) /* Bit 7: TXE Interrupt Enable */
#define USART_CR1_PEIE (1 << 8) /* Bit 8: PE Interrupt Enable */
#define USART_CR1_PS (1 << 9) /* Bit 9: Parity Selection */
#define USART_CR1_PCE (1 << 10) /* Bit 10: Parity Control Enable */
#define USART_CR1_WAKE (1 << 11) /* Bit 11: Receiver wakeup method */
#define USART_CR1_M (1 << 12) /* Bit 12: Word length */
#define USART_CR1_MME (1 << 13) /* Bit 13: Mute mode enable */
#define USART_CR1_CMIE (1 << 14) /* Bit 14: Character match interrupt enable */
#define USART_CR1_OVER8 (1 << 15) /* Bit 15: Oversampling mode */
#define USART_CR1_DEDT_SHIFT (16) /* Bits 16-20: Driver Enable deassertion time */
#define USART_CR1_DEDT_MASK (31 << USART_CR1_DEDT_SHIFT)
#define USART_CR1_DEAT_SHIFT (21) /* Bits 21-25: Driver Enable assertion time */
#define USART_CR1_DEAT_MASK (31 << USART_CR1_DEAT_SHIFT)
#define USART_CR1_RTOIE (1 << 26) /* Bit 26: Receiver timeout interrupt enable */
#define USART_CR1_EOBIE (1 << 27) /* Bit 27: End of Block interrupt enable */
#define USART_CR1_ALLINTS \
(USART_CR1_IDLEIE | USART_CR1_RXNEIE | USART_CR1_TCIE | USART_CR1_TXEIE |\
USART_CR1_PEIE | USART_CR1_CMIE |USART_CR1_RTOIE | USART_CR1_EOBIE)
/* Control register 2 */
#define USART_CR2_ADDM7 (1 << 4) /* Bit 4: :7-/4-bit Address Detection */
#define USART_CR2_LBDL (1 << 5) /* Bit 5: LIN Break Detection Length */
#define USART_CR2_LBDIE (1 << 6) /* Bit 6: LIN Break Detection Interrupt Enable */
#define USART_CR2_LBCL (1 << 8) /* Bit 8: Last Bit Clock pulse */
#define USART_CR2_CPHA (1 << 9) /* Bit 9: Clock Phase */
#define USART_CR2_CPOL (1 << 10) /* Bit 10: Clock Polarity */
#define USART_CR2_CLKEN (1 << 11) /* Bit 11: Clock Enable */
#define USART_CR2_STOP_SHIFT (12) /* Bits 13-12: STOP bits */
#define USART_CR2_STOP_MASK (3 << USART_CR2_STOP_SHIFT)
# define USART_CR2_STOP1 (0 << USART_CR2_STOP_SHIFT) /* 00: 1 Stop bit */
# define USART_CR2_STOP2 (2 << USART_CR2_STOP_SHIFT) /* 10: 2 Stop bits */
# define USART_CR2_STOP1p5 (3 << USART_CR2_STOP_SHIFT) /* 11: 1.5 Stop bit */
#define USART_CR2_LINEN (1 << 14) /* Bit 14: LIN mode enable */
#define USART_CR2_RXINV (1 << 16) /* Bit 16: RX pin active level inversion */
#define USART_CR2_TXINV (1 << 17) /* Bit 17: TX pin active level inversion */
#define USART_CR2_DATAINV (1 << 18) /* Bit 18: Binary data inversion */
#define USART_CR2_MSBFIRST (1 << 19) /* Bit 19: Most significant bit first */
#define USART_CR2_ABREN (1 << 20) /* Bit 20: Auto baud rate enable */
#define USART_CR2_ABRMOD_SHIFT (21) /* Bits 21-22: Auto baud rate mode */
#define USART_CR2_ABRMOD_MASK (3 << USART_CR2_ABRMOD_SHIFT)
# define USART_CR2_ABRMOD_START (0 << USART_CR2_ABRMOD_SHIFT) /* Start bit */
# define USART_CR2_ABRMOD_FALL (1 << USART_CR2_ABRMOD_SHIFT) /* Falling edge measurement */
# define USART_CR2_ABRMOD_7F (2 << USART_CR2_ABRMOD_SHIFT) /* 0x7F frame detection */
# define USART_CR2_ABRMOD_55 (3 << USART_CR2_ABRMOD_SHIFT) /* 0x55 frame detection */
#define USART_CR2_RTOEN (1 << 23) /* Bit 23: Receiver timeout enable */
#define USART_CR2_ADD4L_SHIFT (24) /* Bits 24-17: Address[3:0]:of the USART node */
#define USART_CR2_ADD4L_MASK (15 << USART_CR2_ADD4_SHIFT)
#define USART_CR2_ADD4H_SHIFT (28) /* Bits 28-31: Address[4:0] of the USART node */
#define USART_CR2_ADD4H_MASK (15 << USART_CR2_ADD4_SHIFT)
#define USART_CR2_ADD8_SHIFT (24) /* Bits 24-31: Address[7:0] of the USART node */
#define USART_CR2_ADD8_MASK (255 << USART_CR2_ADD8_SHIFT)
/* Control register 3 */
#define USART_CR3_EIE (1 << 0) /* Bit 0: Error Interrupt Enable */
#define USART_CR3_IREN (1 << 1) /* Bit 1: IrDA mode Enable */
#define USART_CR3_IRLP (1 << 2) /* Bit 2: IrDA Low-Power */
#define USART_CR3_HDSEL (1 << 3) /* Bit 3: Half-Duplex Selection */
#define USART_CR3_NACK (1 << 4) /* Bit 4: Smartcard NACK enable */
#define USART_CR3_SCEN (1 << 5) /* Bit 5: Smartcard mode enable */
#define USART_CR3_DMAR (1 << 6) /* Bit 6: DMA Enable Receiver */
#define USART_CR3_DMAT (1 << 7) /* Bit 7: DMA Enable Transmitter */
#define USART_CR3_RTSE (1 << 8) /* Bit 8: RTS Enable */
#define USART_CR3_CTSE (1 << 9) /* Bit 9: CTS Enable */
#define USART_CR3_CTSIE (1 << 10) /* Bit 10: CTS Interrupt Enable */
#define USART_CR1_ONEBIT (1 << 11) /* Bit 11: One sample bit method enable */
#define USART_CR1_OVRDIS (1 << 12) /* Bit 12: Overrun Disable */
#define USART_CR1_DDRE (1 << 13) /* Bit 13: DMA Disable on Reception Error */
#define USART_CR1_DEM (1 << 14) /* Bit 14: Driver enable mode */
#define USART_CR1_DEP (1 << 15) /* Bit 15: Driver enable polarity selection */
#define USART_CR1_SCARCNT_SHIFT (17) /* Bit 17-19: Smartcard auto-retry count */
#define USART_CR1_SCARCNT_MASK (7 << USART_CR1_SCARCNT_SHIFT)
#define USART_CR1_WUS_SHIFT (20) /* Bit 20-21: Wakeup from Stop mode interrupt */
#define USART_CR1_WUS_MASK (3 << USART_CR1_WUS_SHIFT)
# define USART_CR1_WUS_ADDRMAT (0 << USART_CR1_WUS_SHIFT) /* Active on address match */
# define USART_CR1_WUS_STARTBIT (2 << USART_CR1_WUS_SHIFT) /* Active on Start bit */
# define USART_CR1_WUS_RXNE (3 << USART_CR1_WUS_SHIFT) /* Active on RXNE */
#define USART_CR1_WUFIE (1 << 22) /* Bit 22: Wakeup from Stop mode interrupt enable */
/* Baud Rate Register */
#define USART_BRR_SHIFT (0) /* Bits 0-15: USARTDIV[15:0] OVER8=0*/
#define USART_BRR_MASK (0xffff << USART_BRR_SHIFT)
#define USART_BRR_0_3_SHIFT (0) /* Bits 0-2: USARTDIV[3:0] OVER8=1 */
#define USART_BRR_0_3_MASK (0x0fff << USART_BRR_0_3_SHIFT)
#define USART_BRR_4_7_SHIFT (0) /* Bits 4-15: USARTDIV[15:4] OVER8=1*/
#define USART_BRR_4_7_MASK (0xffff << USART_BRR_4_7_SHIFT)
/* Guard time and prescaler register */
#define USART_GTPR_PSC_SHIFT (0) /* Bits 0-7: Prescaler value */
#define USART_GTPR_PSC_MASK (0xff << USART_GTPR_PSC_SHIFT)
#define USART_GTPR_GT_SHIFT (8) /* Bits 8-15: Guard time value */
#define USART_GTPR_GT_MASK (0xff << USART_GTPR_GT_SHIFT)
/* Receiver timeout register */
#define USART_RTOR_RTO_SHIFT (0) /* Bits 0-23: Receiver timeout value */
#define USART_RTOR_RTO_MASK (0xffffff << USART_RTOR_RTO_SHIFT)
#define USART_RTOR_BLEN_SHIFT (24) /* Bits 24-31: Block Length */
#define USART_RTOR_BLEN_MASK (0xff << USART_RTOR_BLEN_SHIFT)
/* Request register */
#define USART_RQR_ABRRQ (1 << 0) /* Bit 0: Auto baud rate request */
#define USART_RQR_SBKRQ (1 << 1) /* Bit 1: Send break request */
#define USART_RQR_MMRQ (1 << 2) /* Bit 2: Mute mode request */
#define USART_RQR_RXFRQ (1 << 3) /* Bit 3: Receive data flush request */
#define USART_RQR_TXFRQ (1 << 4) /* Bit 4: Transmit data flush request */
/* Interrupt & status register */
#define USART_ISR_PE (1 << 0) /* Bit 0: Parity error */
#define USART_ISR_FE (1 << 1) /* Bit 1: Framing error */
#define USART_ISR_NF (1 << 2) /* Bit 2: Noise detected flag */
#define USART_ISR_ORE (1 << 3) /* Bit 3: Overrun error */
#define USART_ISR_IDLE (1 << 4) /* Bit 4: Idle line detected */
#define USART_ISR_RXNE (1 << 5) /* Bit 5: Read data register not empty */
#define USART_ISR_TC (1 << 6) /* Bit 6: Transmission complete */
#define USART_ISR_TXE (1 << 7) /* Bit 7: Transmit data register empty */
#define USART_ISR_LBDF (1 << 8) /* Bit 8: LIN break detection flag */
#define USART_ISR_CTSIF (1 << 9) /* Bit 9: CTS interrupt flag */
#define USART_ISR_CTS (1 << 10) /* Bit 10: CTS flag */
#define USART_ISR_RTOF (1 << 11) /* Bit 11: Receiver timeout */
#define USART_ISR_EOBF (1 << 12) /* Bit 12: End of block flag */
#define USART_ISR_ABRE (1 << 14) /* Bit 14: Auto baud rate error */
#define USART_ISR_ABRF (1 << 15) /* Bit 15: Auto baud rate flag */
#define USART_ISR_BUSY (1 << 16) /* Bit 16: Busy flag */
#define USART_ISR_CMF (1 << 17) /* Bit 17: Character match flag */
#define USART_ISR_SBKF (1 << 18) /* Bit 18: Send break flag */
#define USART_ISR_ISRRWU (1 << 19) /* Bit 19: Receiver wakeup from Mute mode */
#define USART_ISR_WUF (1 << 20) /* Bit 20: Wakeup from Stop mode flag */
#define USART_ISR_TEACK (1 << 21) /* Bit 21: Transmit enable acknowledge flag */
#define USART_ISR_REACK (1 << 22) /* Bit 22: Receive enable acknowledge flag */
#define USART_ISR_ALLBITS (0x007fdfff)
/* Interrupt flag clear register */
#define USART_ICR_PECF (1 << 0) /* Bit 0: Parity error clear flag */
#define USART_ICR_FECF (1 << 1) /* Bit 1: Framing error clear flag */
#define USART_ICR_NCF (1 << 2) /* Bit 2: Noise detected flag *clear flag */
#define USART_ICR_ORECF (1 << 3) /* Bit 3: Overrun error clear flag */
#define USART_ICR_IDLECF (1 << 4) /* Bit 4: Idle line detected clear flag */
#define USART_ICR_TCCF (1 << 6) /* Bit 6: Transmission complete */
#define USART_ICR_LBDCF (1 << 8) /* Bit 8: LIN break detection clear flag */
#define USART_ICR_CTSCF (1 << 9) /* Bit 9: CTS interrupt clear flag */
#define USART_ICR_RTOCF (1 << 11) /* Bit 11: Receiver timeout clear flag */
#define USART_ICR_EOBCF (1 << 12) /* Bit 12: End of block clear flag */
#define USART_ICR_CMCF (1 << 17) /* Bit 17: Character match clear flag */
#define USART_ICR_WUCF (1 << 20) /* Bit 20: Wakeup from Stop mode clear flag */
#define USART_ICR_ALLBITS (0x00121b5f)
/* Receive data register */
#define USART_RDR_SHIFT (0) /* Bits 8:0: Receive data value */
#define USART_RDR_MASK (0x1ff << USART_RDR_SHIFT)
/* Transmit data register */
#define USART_TDR_SHIFT (0) /* Bits 8:0: Transmit data value */
#define USART_TDR_MASK (0x1ff << USART_TDR_SHIFT)
/* Compatibility definitions ********************************************************/
/* F1/F2/F4 Status register */
#define STM32_USART_SR_OFFSET STM32_USART_ISR_OFFSET
#define USART_SR_PE USART_ISR_PE /* Parity Error */
#define USART_SR_FE USART_ISR_FE /* Framing error */
#define USART_SR_NE USART_ISR_NF /* Noise detected flag */
#define USART_SR_ORE USART_ISR_ORE /* Overrun error */
#define USART_SR_IDLE USART_ISR_IDLE /* IDLE line detected */
#define USART_SR_RXNE USART_ISR_RXNE /* Read Data Register Not Empty */
#define USART_SR_TC USART_ISR_TC /* Transmission Complete */
#define USART_SR_TXE USART_ISR_TXE /* Transmit Data Register Empty */
#define USART_SR_LBD USART_ISR_LBDF /* LIN Break Detection Flag */
#define USART_SR_CTS USART_ISR_CTS /* Bit 9: CTS Flag */
#define USART_SR_ALLBITS USART_ISR_ALLBITS
/************************************************************************************
* Public Types
************************************************************************************/
/************************************************************************************
* Public Data
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/
#endif /* __ARCH_ARM_STC_STM32_CHIP_STM32F30XXX_UART_H */
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