Introduction

This module contains APIs to program and use the UART.

Files
file	uart_lld.h
	This file contains the prototype of UART driver APIs.

Data Structures
struct	UART_ExtendedParams

struct	UART_Transaction
	Data structure used with UART_read() and UART_write() More...

struct	UARTLLD_InitObject
	UART driver initialization object. More...

struct	UARTLLD_Object
	UART driver object. More...

Functions
uint32_t	UART_operatingModeSelect (uint32_t baseAddr, uint32_t modeFlag)

uint32_t	UART_spaceAvail (uint32_t baseAddr)

int32_t	UART_writeCancelNoCB (UARTLLD_Handle hUart)

int32_t	UART_readCancelNoCB (UARTLLD_Handle hUart)

uint32_t	UART_getBaseAddr_lld (UARTLLD_Handle handle)
	Function to get base address of UART instance of a particular handle. More...

void	UART_enableLoopbackMode (uint32_t baseAddr)
	Function to enable loopback mode. This function is for internal use. Not recommended for customers to use. More...

void	UART_disableLoopbackMode (uint32_t baseAddr)
	Function to disable loopback mode. This function is for internal use. Not recommended for customers to use. More...

int32_t	UART_lld_init (UARTLLD_Handle hUart)
	This API Initializes the UART instance. More...

int32_t	UART_lld_initDma (UARTLLD_Handle hUart)
	This API Initializes the UART instance in DMA mode. More...

int32_t	UART_lld_deInit (UARTLLD_Handle hUart)
	This API De-Initializes the UART instance. More...

int32_t	UART_lld_deInitDma (UARTLLD_Handle hUart)
	This API De-Initializes the UART instance in DMA mode. More...

int32_t	UART_lld_write (UARTLLD_Handle hUart, void txBuf, uint32_t size, uint32_t timeout, const UART_ExtendedParams extendedParams)
	This API writes data to the UART instance in Polling mode. More...

int32_t	UART_lld_writeIntr (UARTLLD_Handle hUart, void txBuf, uint32_t size, const UART_ExtendedParams extendedParams)
	This API writes data to the UART instance in Interrupt mode. More...

int32_t	UART_lld_writeDma (UARTLLD_Handle hUart, void txBuf, uint32_t size, const UART_ExtendedParams extendedParams)
	This API writes data to the UART instance in DMA mode. More...

int32_t	UART_lld_read (UARTLLD_Handle hUart, void rxBuf, uint32_t size, uint32_t timeout, const UART_ExtendedParams extendedParams)
	This API writes data to the UART instance in Polling mode. More...

int32_t	UART_lld_readIntr (UARTLLD_Handle hUart, void rxBuf, uint32_t size, const UART_ExtendedParams extendedParams)
	This API writes data to the UART instance in Interrupt mode. More...

int32_t	UART_lld_readDma (UARTLLD_Handle hUart, void rxBuf, uint32_t size, const UART_ExtendedParams extendedParams)
	This API writes data to the UART instance in DMA mode. More...

int32_t	UART_lld_writeCancel (UARTLLD_Handle hUart, UART_Transaction *trans)
	This API cancels current UART Write. More...

int32_t	UART_lld_readCancel (UARTLLD_Handle hUart, UART_Transaction *trans)
	This API cancels current UART Read. More...

int32_t	UART_lld_flushTxFifo (UARTLLD_Handle hUart)
	Function to flush a TX FIFO of peripheral specified by the UART handle. More...

int32_t	UART_procLineStatusErr (UARTLLD_Handle hUart)
	Function to check various error conditions in uart. More...

int32_t	UART_lld_setRxState (UARTLLD_Handle hUart, uint32_t state)
	Function to enable/disable UART RX. More...

void	UART_lld_controllerIsr (void *args)
	This is the UART ISR and can be used as IRQ handler. More...

void	UART_intrDisable (uint32_t baseAddr, uint32_t intrFlag)
	This API disables the specified interrupts in the UART mode of operation. More...

void	UART_intr2Disable (uint32_t baseAddr, uint32_t intrFlag)
	This API disables the specified interrupts in the UART mode of operation for IER2. More...

uint32_t	UART_checkCharsAvailInFifo (uint32_t baseAddr)
	This API checks if the RX FIFO (or RHR in non-FIFO mode) has atleast one byte of data to be read. More...

uint32_t	UART_readLineStatus (uint32_t baseAddr)
	This API reads the line status register value. More...

uint8_t	UART_getCharFifo (uint32_t baseAddr, uint8_t *readBuf)
	This API reads the data present at the top of the RX FIFO, that is, the data in the Receive Holding Register(RHR). However before reading the data from RHR, it checks for RX error. More...

void	UART_putChar (uint32_t baseAddr, uint8_t byteTx)
	This API writes a byte to the Transmitter FIFO without checking for the emptiness of the Transmitter FIFO or the Transmitter Shift Register(TSR). More...

void	UART_intrEnable (uint32_t baseAddr, uint32_t intrFlag)
	This API enables the specified interrupts in the UART mode of operation. More...

uint32_t	UART_getChar (uint32_t baseAddr, uint8_t *pChar)
	This API reads a byte from the Receiver Buffer Register (RBR). It checks once if any character is ready to be read. More...

uint32_t	UART_getIntr2Status (uint32_t baseAddr)
	This API determines the UART Interrupt Status 2. More...

uint32_t	UART_getIntrIdentityStatus (uint32_t baseAddr)
	This API determines the UART Interrupt Status. More...

void	UART_intr2Enable (uint32_t baseAddr, uint32_t intrFlag)
	This API enables the specified interrupts in the UART mode of operation for IER2. More...

void	UART_lld_Transaction_init (UART_Transaction *trans)
	Function to initialize the UART_Transaction struct to its defaults. More...

void	UART_lld_Transaction_deInit (UART_Transaction *trans)
	Function to de-initialize the UART_Transaction struct to its defaults. More...

Typedefs
typedef void *	UART_DmaHandle
	A handle that is returned from a UART_open() call. More...

typedef void *	UART_DmaChConfig

typedef uint32_t(*	UART_clockGet) (void)

typedef uint32_t(*	UART_clockUsecToTick) (uint64_t usecs)

typedef void(*	UART_readCompCallbackFxn) (void *hUart)
	The definition of a read complete callback function used by the UART driver when used in UART_TRANSFER_MODE_CALLBACK. More...

typedef void(*	UART_writeCompCallbackFxn) (void *hUart)
	The definition of a write complete callback function used by the UART driver when used in UART_TRANSFER_MODE_CALLBACK. More...

typedef void(*	UART_errorCallbackFxn) (void *hUart)
	The definition of a error callback function used by the UART driver when used in UART_TRANSFER_MODE_CALLBACK. More...

typedef struct UARTLLD_InitObject *	UARTLLD_InitHandle

typedef struct UARTLLD_Object *	UARTLLD_Handle

Macros
#define	UART_FIFO_SIZE (64U)
	Uart FIFO Size. More...

#define	UART_TRANSMITEMPTY_TRIALCOUNT (3000U)
	Timeout in ms used for TX FIFO empty at the time of delete. Three seconds is more than sufficient to transfer 64 bytes (FIFO size) at the lowest baud rate of 2400. More...

#define	UART_ERROR_COUNT (0x00FFFFFFU)
	Count Value to check error in the recieved byte More...

#define	UART_NOT_IN_USE(x) (void) 0
	NOT_IN_USE macro to highlight unused parameters. More...

#define	UART_STATE_RX_DISABLED (0x0U)

#define	UART_STATE_RX_ENABLED (0x1U)

Transfer Status Code
Status Status codes that are set by the UART driver
#define	UART_STATUS_SUCCESS ((int32_t)0)
	Transaction success. More...

#define	UART_STATUS_FAILURE ((int32_t)-1)
	Transaction failure. More...

#define	UART_TRANSFER_STATUS_SUCCESS ((int32_t)0)
	Transaction success. More...

#define	UART_TRANSFER_STATUS_FAILURE ((int32_t)-1)
	Transaction failure. More...

#define	UART_WAIT_FOREVER ((int32_t)-1)
	Value to use when needing a timeout of infinity or wait forver until resource is available. More...

#define	UART_INVALID_PARAM ((int32_t)-3)
	Return status when the API execution failed due invalid parameters. More...

#define	UART_TRANSFER_BUSY ((int32_t)-4)
	Return status when the API execution failed due to driver busy. More...

#define	UART_TRANSFER_TIMEOUT ((int32_t)-2)
	Return status when the API execution was not successful due to a time out. More...

#define	UART_TRANSFER_INVALID_STATE ((int32_t)-5)
	Return status when the API execution failed due to invalid LLD state. More...

#define	UART_TRANSFER_STATUS_TIMEOUT (1U)
	Time out error. More...

#define	UART_TRANSFER_STATUS_ERROR_BI (2U)
	Break condition error. More...

#define	UART_TRANSFER_STATUS_ERROR_FE (3U)
	Framing error. More...

#define	UART_TRANSFER_STATUS_ERROR_PE (4U)
	Parity error. More...

#define	UART_TRANSFER_STATUS_ERROR_OE (5U)
	Overrun error. More...

#define	UART_TRANSFER_STATUS_CANCELLED (6U)
	Cancelled. More...

#define	UART_TRANSFER_STATUS_STARTED (7U)
	Transaction started. More...

#define	UART_TRANSFER_STATUS_READ_TIMEOUT (8U)
	Read timeout error. More...

#define	UART_TRANSFER_STATUS_ERROR_INUSE (9U)
	UART is currently in use. More...

#define	UART_TRANSFER_STATUS_ERROR_OTH (10U)
	Other errors. More...

#define	UART_STATE_RESET (0U)

#define	UART_STATE_READY (1U)

#define	UART_STATE_BUSY (2U)

#define	UART_STATE_ERROR (3U)

UART Read length
This enumeration defines the return modes for UART_read(). UART_READ_RETURN_MODE_FULL unblocks or performs a callback when the read buffer has been filled with the number of bytes passed to UART_read(). UART_READ_RETURN_MODE_PARTIAL unblocks or performs a callback whenever a read timeout error occurs on the UART peripheral. The read timeout occurs if the read FIFO is non-empty and no new data has been received for a specific device/baudrate dependent number of clock cycles. This mode can be used when the exact number of bytes to be read is not known.
#define	UART_READ_RETURN_MODE_FULL (0U)
	Unblock/callback when buffer is full. More...

#define	UART_READ_RETURN_MODE_PARTIAL (1U)
	Unblock/callback when no new data comes in. More...

UART data length
Note: The values should not be changed since it represents the actual register configuration values used to configure the UART
#define	UART_LEN_5 (0U)

#define	UART_LEN_6 (1U)

#define	UART_LEN_7 (2U)

#define	UART_LEN_8 (3U)

UART stop bits
Note: The values should not be changed since it represents the actual register configuration values used to configure the UART
#define	UART_STOPBITS_1 (0U)

#define	UART_STOPBITS_2 (1U)

#define	UART_STOPBITS_1P5 (UART_STOPBITS_1)

UART Parity
Note: The values should not be changed since it represents the actual register configuration values used to configure the UART
#define	UART_PARITY_NONE (0x00U)

#define	UART_PARITY_ODD (0x01U)

#define	UART_PARITY_EVEN (0x03U)

#define	UART_PARITY_FORCED0 (0x07U)

#define	UART_PARITY_FORCED1 (0x05U)

UART Flow Control Type
Note: The values should not be changed since it represents the actual register configuration values used to configure the UART
#define	UART_FCTYPE_NONE (0x00U)

#define	UART_FCTYPE_HW (0x02U)

UART Flow Control Params for RX
Note: The values should not be changed since it represents the actual register configuration values used to configure the UART
#define	UART_FCPARAM_RXNONE (0x00U)

#define	UART_FCPARAM_RXXONXOFF_2 (0x01U)

#define	UART_FCPARAM_RXXONXOFF_1 (0x02U)

#define	UART_FCPARAM_RXXONXOFF_12 (0x03U)

#define	UART_FCPARAM_AUTO_RTS (0x40U)

UART Flow Control Params for TX
Note: The values should not be changed since it represents the actual register configuration values used to configure the UART
#define	UART_FCPARAM_TXNONE (0x00U)

#define	UART_FCPARAM_TXXONXOFF_2 (0x04U)

#define	UART_FCPARAM_TXXONXOFF_1 (0x08U)

#define	UART_FCPARAM_TXXONXOFF_12 (0x0CU)

#define	UART_FCPARAM_AUTO_CTS (0x80U)

UART RX trigger level
Note: The values should not be changed since it represents the actual register configuration values used to configure the UART
#define	UART_RXTRIGLVL_1 (1U)

#define	UART_RXTRIGLVL_8 (8U)

#define	UART_RXTRIGLVL_16 (16U)

#define	UART_RXTRIGLVL_56 (56U)

#define	UART_RXTRIGLVL_60 (60U)

UART TX trigger level
Note: The values should not be changed since it represents the actual register configuration values used to configure the UART
#define	UART_TXTRIGLVL_1 (1U)

#define	UART_TXTRIGLVL_8 (8U)

#define	UART_TXTRIGLVL_16 (16U)

#define	UART_TXTRIGLVL_32 (32U)

#define	UART_TXTRIGLVL_56 (56U)

UART Operational Mode
Note: The values should not be changed since it represents the actual register configuration values used to configure the UART
#define	UART_OPER_MODE_16X (0U)

#define	UART_OPER_MODE_SIR (1U)

#define	UART_OPER_MODE_16X_AUTO_BAUD (2U)

#define	UART_OPER_MODE_13X (3U)

#define	UART_OPER_MODE_MIR (4U)

#define	UART_OPER_MODE_FIR (5U)

#define	UART_OPER_MODE_CIR (6U)

#define	UART_OPER_MODE_DISABLED (7U)

Values indicating the filled status of TX FIFO
Note: The values should not be changed since it represents the actual register configuration values used to configure the UART
#define	UART_TX_FIFO_NOT_FULL

#define	UART_TX_FIFO_FULL

Values related to status of Interrupt souces.

#define	UART_INTID_MODEM_STAT
	Values pertaining to status of UART Interrupt sources. More...

#define	UART_INTID_TX_THRES_REACH

#define	UART_INTID_RX_THRES_REACH

#define	UART_INTID_RX_LINE_STAT_ERROR

#define	UART_INTID_CHAR_TIMEOUT

#define	UART_INTID_XOFF_SPEC_CHAR_DETECT

#define	UART_INTID_MODEM_SIG_STATE_CHANGE

#define	UART_INTR_PENDING (0U)
	Values indicating the UART Interrupt pending status. More...

#define	UART_N0_INTR_PENDING (1U)

Values related to enabling/disabling of Interrupts.
#define	UART_INTR_CTS (UART_IER_CTS_IT_MASK)
	Values for enabling/disabling the interrupts of UART. More...

#define	UART_INTR_RTS (UART_IER_RTS_IT_MASK)

#define	UART_INTR_XOFF (UART_IER_XOFF_IT_MASK)

#define	UART_INTR_SLEEPMODE (UART_IER_SLEEP_MODE_MASK)

#define	UART_INTR_MODEM_STAT (UART_IER_MODEM_STS_IT_MASK)

#define	UART_INTR_LINE_STAT (UART_IER_LINE_STS_IT_MASK)

#define	UART_INTR_THR (UART_IER_THR_IT_MASK)

#define	UART_INTR_RHR_CTI (UART_IER_RHR_IT_MASK)

#define	UART_INTR2_RX_EMPTY (UART_IER2_EN_RXFIFO_EMPTY_MASK)

#define	UART_INTR2_TX_EMPTY (UART_IER2_EN_TXFIFO_EMPTY_MASK)

Values related to Line Status information.
#define	UART_FIFO_PE_FE_BI_DETECTED (UART_LSR_RX_FIFO_STS_MASK)
	Values pertaining to UART Line Status information. More...

#define	UART_BREAK_DETECTED_ERROR (UART_LSR_RX_BI_MASK)

#define	UART_FRAMING_ERROR (UART_LSR_RX_FE_MASK)

#define	UART_PARITY_ERROR (UART_LSR_RX_PE_MASK)

#define	UART_OVERRUN_ERROR (UART_LSR_RX_OE_MASK)

Values related to Register Mode Configuration.
#define	UART_REG_CONFIG_MODE_A ((uint32_t) 0x0080)
	Values to be used while switching between register configuration modes. More...

#define	UART_REG_CONFIG_MODE_B ((uint32_t) 0x00BF)

#define	UART_REG_OPERATIONAL_MODE ((uint32_t) 0x007F)

UART Configration Mode
This determines whether the driver configuration mode like Polled, Interrupt, Dma used for the transfer function
#define	UART_CONFIG_MODE_POLLED (0x00U)

#define	UART_CONFIG_MODE_INTERRUPT (0x01U)

#define	UART_CONFIG_MODE_USER_INTR (0x02U)

#define	UART_CONFIG_MODE_DMA (0x03U)

Macro Definition Documentation

◆ UART_FIFO_SIZE

#define UART_FIFO_SIZE (64U)

Uart FIFO Size.

◆ UART_TRANSMITEMPTY_TRIALCOUNT

#define UART_TRANSMITEMPTY_TRIALCOUNT (3000U)

Timeout in ms used for TX FIFO empty at the time of delete. Three seconds is more than sufficient to transfer 64 bytes (FIFO size) at the lowest baud rate of 2400.

◆ UART_ERROR_COUNT

#define UART_ERROR_COUNT (0x00FFFFFFU)

Count Value to check error in the recieved byte

◆ UART_STATUS_SUCCESS

#define UART_STATUS_SUCCESS ((int32_t)0)

Transaction success.

◆ UART_STATUS_FAILURE

#define UART_STATUS_FAILURE ((int32_t)-1)

Transaction failure.

◆ UART_TRANSFER_STATUS_SUCCESS

#define UART_TRANSFER_STATUS_SUCCESS ((int32_t)0)

Transaction success.

◆ UART_TRANSFER_STATUS_FAILURE

#define UART_TRANSFER_STATUS_FAILURE ((int32_t)-1)

Transaction failure.

◆ UART_WAIT_FOREVER

#define UART_WAIT_FOREVER ((int32_t)-1)

Value to use when needing a timeout of infinity or wait forver until resource is available.

◆ UART_INVALID_PARAM

#define UART_INVALID_PARAM ((int32_t)-3)

Return status when the API execution failed due invalid parameters.

◆ UART_TRANSFER_BUSY

#define UART_TRANSFER_BUSY ((int32_t)-4)

Return status when the API execution failed due to driver busy.

◆ UART_TRANSFER_TIMEOUT

#define UART_TRANSFER_TIMEOUT ((int32_t)-2)

Return status when the API execution was not successful due to a time out.

◆ UART_TRANSFER_INVALID_STATE

#define UART_TRANSFER_INVALID_STATE ((int32_t)-5)

Return status when the API execution failed due to invalid LLD state.

◆ UART_TRANSFER_STATUS_TIMEOUT

#define UART_TRANSFER_STATUS_TIMEOUT (1U)

Time out error.

◆ UART_TRANSFER_STATUS_ERROR_BI

#define UART_TRANSFER_STATUS_ERROR_BI (2U)

Break condition error.

◆ UART_TRANSFER_STATUS_ERROR_FE

#define UART_TRANSFER_STATUS_ERROR_FE (3U)

Framing error.

◆ UART_TRANSFER_STATUS_ERROR_PE

#define UART_TRANSFER_STATUS_ERROR_PE (4U)

Parity error.

◆ UART_TRANSFER_STATUS_ERROR_OE

#define UART_TRANSFER_STATUS_ERROR_OE (5U)

Overrun error.

◆ UART_TRANSFER_STATUS_CANCELLED

#define UART_TRANSFER_STATUS_CANCELLED (6U)

Cancelled.

◆ UART_TRANSFER_STATUS_STARTED

#define UART_TRANSFER_STATUS_STARTED (7U)

Transaction started.

◆ UART_TRANSFER_STATUS_READ_TIMEOUT

#define UART_TRANSFER_STATUS_READ_TIMEOUT (8U)

Read timeout error.

◆ UART_TRANSFER_STATUS_ERROR_INUSE

#define UART_TRANSFER_STATUS_ERROR_INUSE (9U)

UART is currently in use.

◆ UART_TRANSFER_STATUS_ERROR_OTH

#define UART_TRANSFER_STATUS_ERROR_OTH (10U)

Other errors.

◆ UART_READ_RETURN_MODE_FULL

#define UART_READ_RETURN_MODE_FULL (0U)

Unblock/callback when buffer is full.

◆ UART_READ_RETURN_MODE_PARTIAL

#define UART_READ_RETURN_MODE_PARTIAL (1U)

Unblock/callback when no new data comes in.

◆ UART_LEN_5

#define UART_LEN_5 (0U)

◆ UART_LEN_6

#define UART_LEN_6 (1U)

◆ UART_LEN_7

#define UART_LEN_7 (2U)

◆ UART_LEN_8

#define UART_LEN_8 (3U)

◆ UART_STATE_RESET

#define UART_STATE_RESET (0U)

◆ UART_STATE_READY

#define UART_STATE_READY (1U)

◆ UART_STATE_BUSY

#define UART_STATE_BUSY (2U)

◆ UART_STATE_ERROR

#define UART_STATE_ERROR (3U)

◆ UART_NOT_IN_USE

#define UART_NOT_IN_USE ( x ) (void) 0

NOT_IN_USE macro to highlight unused parameters.

◆ UART_STOPBITS_1

#define UART_STOPBITS_1 (0U)

◆ UART_STOPBITS_2

#define UART_STOPBITS_2 (1U)

◆ UART_STOPBITS_1P5

#define UART_STOPBITS_1P5 (UART_STOPBITS_1)

◆ UART_PARITY_NONE

#define UART_PARITY_NONE (0x00U)

◆ UART_PARITY_ODD

#define UART_PARITY_ODD (0x01U)

◆ UART_PARITY_EVEN

#define UART_PARITY_EVEN (0x03U)

◆ UART_PARITY_FORCED0

#define UART_PARITY_FORCED0 (0x07U)

◆ UART_PARITY_FORCED1

#define UART_PARITY_FORCED1 (0x05U)

◆ UART_FCTYPE_NONE

#define UART_FCTYPE_NONE (0x00U)

◆ UART_FCTYPE_HW

#define UART_FCTYPE_HW (0x02U)

◆ UART_FCPARAM_RXNONE

#define UART_FCPARAM_RXNONE (0x00U)

◆ UART_FCPARAM_RXXONXOFF_2

#define UART_FCPARAM_RXXONXOFF_2 (0x01U)

◆ UART_FCPARAM_RXXONXOFF_1

#define UART_FCPARAM_RXXONXOFF_1 (0x02U)

◆ UART_FCPARAM_RXXONXOFF_12

#define UART_FCPARAM_RXXONXOFF_12 (0x03U)

◆ UART_FCPARAM_AUTO_RTS

#define UART_FCPARAM_AUTO_RTS (0x40U)

◆ UART_FCPARAM_TXNONE

#define UART_FCPARAM_TXNONE (0x00U)

◆ UART_FCPARAM_TXXONXOFF_2

#define UART_FCPARAM_TXXONXOFF_2 (0x04U)

◆ UART_FCPARAM_TXXONXOFF_1

#define UART_FCPARAM_TXXONXOFF_1 (0x08U)

◆ UART_FCPARAM_TXXONXOFF_12

#define UART_FCPARAM_TXXONXOFF_12 (0x0CU)

◆ UART_FCPARAM_AUTO_CTS

#define UART_FCPARAM_AUTO_CTS (0x80U)

◆ UART_RXTRIGLVL_1

#define UART_RXTRIGLVL_1 (1U)

◆ UART_RXTRIGLVL_8

#define UART_RXTRIGLVL_8 (8U)

◆ UART_RXTRIGLVL_16

#define UART_RXTRIGLVL_16 (16U)

◆ UART_RXTRIGLVL_56

#define UART_RXTRIGLVL_56 (56U)

◆ UART_RXTRIGLVL_60

#define UART_RXTRIGLVL_60 (60U)

◆ UART_TXTRIGLVL_1

#define UART_TXTRIGLVL_1 (1U)

◆ UART_TXTRIGLVL_8

#define UART_TXTRIGLVL_8 (8U)

◆ UART_TXTRIGLVL_16

#define UART_TXTRIGLVL_16 (16U)

◆ UART_TXTRIGLVL_32

#define UART_TXTRIGLVL_32 (32U)

◆ UART_TXTRIGLVL_56

#define UART_TXTRIGLVL_56 (56U)

◆ UART_OPER_MODE_16X

#define UART_OPER_MODE_16X (0U)

◆ UART_OPER_MODE_SIR

#define UART_OPER_MODE_SIR (1U)

◆ UART_OPER_MODE_16X_AUTO_BAUD

#define UART_OPER_MODE_16X_AUTO_BAUD (2U)

◆ UART_OPER_MODE_13X

#define UART_OPER_MODE_13X (3U)

◆ UART_OPER_MODE_MIR

#define UART_OPER_MODE_MIR (4U)

◆ UART_OPER_MODE_FIR

#define UART_OPER_MODE_FIR (5U)

◆ UART_OPER_MODE_CIR

#define UART_OPER_MODE_CIR (6U)

◆ UART_OPER_MODE_DISABLED

#define UART_OPER_MODE_DISABLED (7U)

◆ UART_TX_FIFO_NOT_FULL

#define UART_TX_FIFO_NOT_FULL

Value:

( \

UART_SSR_TX_FIFO_FULL_TX_FIFO_FULL_VALUE_0)

◆ UART_TX_FIFO_FULL

#define UART_TX_FIFO_FULL

Value:

( \

UART_SSR_TX_FIFO_FULL_TX_FIFO_FULL_VALUE_1)

◆ UART_INTID_MODEM_STAT

#define UART_INTID_MODEM_STAT

Value:

                                             (UART_IIR_IT_TYPE_IT_TYPE_VALUE_0 \
                                             <<                               \
                                             UART_IIR_IT_TYPE_SHIFT)

Values pertaining to status of UART Interrupt sources.

◆ UART_INTID_TX_THRES_REACH

#define UART_INTID_TX_THRES_REACH

Value:

                                             (UART_IIR_IT_TYPE_IT_TYPE_VALUE_1 \
                                             <<                               \
                                             UART_IIR_IT_TYPE_SHIFT)

◆ UART_INTID_RX_THRES_REACH

#define UART_INTID_RX_THRES_REACH

Value:

                                             (UART_IIR_IT_TYPE_IT_TYPE_VALUE_2 \
                                             <<                               \
                                             UART_IIR_IT_TYPE_SHIFT)

◆ UART_INTID_RX_LINE_STAT_ERROR

#define UART_INTID_RX_LINE_STAT_ERROR

Value:

                                             (UART_IIR_IT_TYPE_IT_TYPE_VALUE_3 \
                                             <<                               \
                                             UART_IIR_IT_TYPE_SHIFT)

◆ UART_INTID_CHAR_TIMEOUT

#define UART_INTID_CHAR_TIMEOUT

Value:

                                             (UART_IIR_IT_TYPE_IT_TYPE_VALUE_6 \
                                             <<                               \
                                             UART_IIR_IT_TYPE_SHIFT)

◆ UART_INTID_XOFF_SPEC_CHAR_DETECT

#define UART_INTID_XOFF_SPEC_CHAR_DETECT

Value:

                                             (UART_IIR_IT_TYPE_IT_TYPE_VALUE_8 \
                                             <<                               \
                                             UART_IIR_IT_TYPE_SHIFT)

◆ UART_INTID_MODEM_SIG_STATE_CHANGE

#define UART_INTID_MODEM_SIG_STATE_CHANGE

Value:

                                             (UART_IIR_IT_TYPE_IT_TYPE_VALUE_10 \
                                             <<                                \
                                             UART_IIR_IT_TYPE_SHIFT)

◆ UART_INTR_PENDING

#define UART_INTR_PENDING (0U)

Values indicating the UART Interrupt pending status.

◆ UART_N0_INTR_PENDING

#define UART_N0_INTR_PENDING (1U)

◆ UART_INTR_CTS

#define UART_INTR_CTS (UART_IER_CTS_IT_MASK)

Values for enabling/disabling the interrupts of UART.

◆ UART_INTR_RTS

#define UART_INTR_RTS (UART_IER_RTS_IT_MASK)

◆ UART_INTR_XOFF

#define UART_INTR_XOFF (UART_IER_XOFF_IT_MASK)

◆ UART_INTR_SLEEPMODE

#define UART_INTR_SLEEPMODE (UART_IER_SLEEP_MODE_MASK)

◆ UART_INTR_MODEM_STAT

#define UART_INTR_MODEM_STAT (UART_IER_MODEM_STS_IT_MASK)

◆ UART_INTR_LINE_STAT

#define UART_INTR_LINE_STAT (UART_IER_LINE_STS_IT_MASK)

◆ UART_INTR_THR

#define UART_INTR_THR (UART_IER_THR_IT_MASK)

◆ UART_INTR_RHR_CTI

#define UART_INTR_RHR_CTI (UART_IER_RHR_IT_MASK)

◆ UART_INTR2_RX_EMPTY

#define UART_INTR2_RX_EMPTY (UART_IER2_EN_RXFIFO_EMPTY_MASK)

◆ UART_INTR2_TX_EMPTY

#define UART_INTR2_TX_EMPTY (UART_IER2_EN_TXFIFO_EMPTY_MASK)

◆ UART_FIFO_PE_FE_BI_DETECTED

#define UART_FIFO_PE_FE_BI_DETECTED (UART_LSR_RX_FIFO_STS_MASK)

Values pertaining to UART Line Status information.

◆ UART_BREAK_DETECTED_ERROR

#define UART_BREAK_DETECTED_ERROR (UART_LSR_RX_BI_MASK)

◆ UART_FRAMING_ERROR

#define UART_FRAMING_ERROR (UART_LSR_RX_FE_MASK)

◆ UART_PARITY_ERROR

#define UART_PARITY_ERROR (UART_LSR_RX_PE_MASK)

◆ UART_OVERRUN_ERROR

#define UART_OVERRUN_ERROR (UART_LSR_RX_OE_MASK)

◆ UART_REG_CONFIG_MODE_A

#define UART_REG_CONFIG_MODE_A ((uint32_t) 0x0080)

Values to be used while switching between register configuration modes.

◆ UART_REG_CONFIG_MODE_B

#define UART_REG_CONFIG_MODE_B ((uint32_t) 0x00BF)

◆ UART_REG_OPERATIONAL_MODE

#define UART_REG_OPERATIONAL_MODE ((uint32_t) 0x007F)

◆ UART_CONFIG_MODE_POLLED

#define UART_CONFIG_MODE_POLLED (0x00U)

◆ UART_CONFIG_MODE_INTERRUPT

#define UART_CONFIG_MODE_INTERRUPT (0x01U)

◆ UART_CONFIG_MODE_USER_INTR

#define UART_CONFIG_MODE_USER_INTR (0x02U)

◆ UART_CONFIG_MODE_DMA

#define UART_CONFIG_MODE_DMA (0x03U)

◆ UART_STATE_RX_DISABLED

#define UART_STATE_RX_DISABLED (0x0U)

◆ UART_STATE_RX_ENABLED

#define UART_STATE_RX_ENABLED (0x1U)

Typedef Documentation

◆ UART_DmaHandle

typedef void* UART_DmaHandle

A handle that is returned from a UART_open() call.

◆ UART_DmaChConfig

typedef void* UART_DmaChConfig

◆ UART_clockGet

typedef uint32_t(* UART_clockGet) (void)

◆ UART_clockUsecToTick

typedef uint32_t(* UART_clockUsecToTick) (uint64_t usecs)

◆ UART_readCompCallbackFxn

typedef void(* UART_readCompCallbackFxn) (void *hUart)

The definition of a read complete callback function used by the UART driver when used in UART_TRANSFER_MODE_CALLBACK.

Parameters

void* void pointer

◆ UART_writeCompCallbackFxn

typedef void(* UART_writeCompCallbackFxn) (void *hUart)

The definition of a write complete callback function used by the UART driver when used in UART_TRANSFER_MODE_CALLBACK.

Parameters

void* void pointer

◆ UART_errorCallbackFxn

typedef void(* UART_errorCallbackFxn) (void *hUart)

The definition of a error callback function used by the UART driver when used in UART_TRANSFER_MODE_CALLBACK.

Parameters

void* void pointer

◆ UARTLLD_InitHandle

typedef struct UARTLLD_InitObject * UARTLLD_InitHandle

◆ UARTLLD_Handle

typedef struct UARTLLD_Object * UARTLLD_Handle

Function Documentation

◆ UART_operatingModeSelect()

uint32_t UART_operatingModeSelect	(	uint32_t	baseAddr,
		uint32_t	modeFlag
	)

◆ UART_spaceAvail()

uint32_t UART_spaceAvail ( uint32_t baseAddr )

◆ UART_writeCancelNoCB()

int32_t UART_writeCancelNoCB ( UARTLLD_Handle hUart )

◆ UART_readCancelNoCB()

int32_t UART_readCancelNoCB ( UARTLLD_Handle hUart )

◆ UART_getBaseAddr_lld()

uint32_t UART_getBaseAddr_lld ( UARTLLD_Handle handle )

Function to get base address of UART instance of a particular handle.

Parameters

handle UARTLLD_Handle returned from UART_open()

See also: UART_open

◆ UART_enableLoopbackMode()

void UART_enableLoopbackMode ( uint32_t baseAddr )

Function to enable loopback mode. This function is for internal use. Not recommended for customers to use.

Parameters

baseAddr Memory address of the UART instance being used.

See also: UART_open

◆ UART_disableLoopbackMode()

void UART_disableLoopbackMode ( uint32_t baseAddr )

Function to disable loopback mode. This function is for internal use. Not recommended for customers to use.

Parameters

baseAddr Memory address of the UART instance being used.

See also: UART_open

◆ UART_lld_init()

int32_t UART_lld_init ( UARTLLD_Handle hUart )

This API Initializes the UART instance.

Parameters

hUart Handle to the UART instance used

Returns: SystemP_SUCCESS if successful; else error on failure

◆ UART_lld_initDma()

int32_t UART_lld_initDma ( UARTLLD_Handle hUart )

This API Initializes the UART instance in DMA mode.

Parameters

hUart Handle to the UART instance used

Returns: SystemP_SUCCESS if successful; else error on failure

◆ UART_lld_deInit()

int32_t UART_lld_deInit ( UARTLLD_Handle hUart )

This API De-Initializes the UART instance.

Parameters

hUart Handle to the UART instance used

Returns: SystemP_SUCCESS if successful; else error on failure

◆ UART_lld_deInitDma()

int32_t UART_lld_deInitDma ( UARTLLD_Handle hUart )

This API De-Initializes the UART instance in DMA mode.

Parameters

hUart Handle to the UART instance used

Returns: SystemP_SUCCESS if successful; else error on failure

◆ UART_lld_write()

int32_t UART_lld_write	(	UARTLLD_Handle	hUart,
		void *	txBuf,
		uint32_t	size,
		uint32_t	timeout,
		const UART_ExtendedParams *	extendedParams
	)

This API writes data to the UART instance in Polling mode.

Parameters

hUart	Handle to the UART instance used
txBuf	Pointer to write data buffer
size	Data size to be transferred
timeout	Write timeout value
extendedParams	Structure to hold the extended parameters

Returns: SystemP_SUCCESS if successful; else error on failure

◆ UART_lld_writeIntr()

int32_t UART_lld_writeIntr	(	UARTLLD_Handle	hUart,
		void *	txBuf,
		uint32_t	size,
		const UART_ExtendedParams *	extendedParams
	)

This API writes data to the UART instance in Interrupt mode.

Parameters

hUart	Handle to the UART instance used
txBuf	Pointer to write data buffer
size	Data size to be transferred
extendedParams	Structure to hold the extended parameters

Returns: SystemP_SUCCESS if successful; else error on failure

◆ UART_lld_writeDma()

int32_t UART_lld_writeDma	(	UARTLLD_Handle	hUart,
		void *	txBuf,
		uint32_t	size,
		const UART_ExtendedParams *	extendedParams
	)

This API writes data to the UART instance in DMA mode.

Parameters

hUart	Handle to the UART instance used
txBuf	Pointer to write data buffer
size	Data size to be transferred
extendedParams	Structure to hold the extended parameters

Returns: SystemP_SUCCESS if successful; else error on failure

◆ UART_lld_read()

int32_t UART_lld_read	(	UARTLLD_Handle	hUart,
		void *	rxBuf,
		uint32_t	size,
		uint32_t	timeout,
		const UART_ExtendedParams *	extendedParams
	)

This API writes data to the UART instance in Polling mode.

Parameters

hUart	Handle to the UART instance used
rxBuf	Pointer to read data buffer
size	Data size to be transferred
timeout	Write timeout value
extendedParams	Structure to hold the extended parameters

Returns: SystemP_SUCCESS if successful; else error on failure

◆ UART_lld_readIntr()

int32_t UART_lld_readIntr	(	UARTLLD_Handle	hUart,
		void *	rxBuf,
		uint32_t	size,
		const UART_ExtendedParams *	extendedParams
	)

This API writes data to the UART instance in Interrupt mode.

Parameters

hUart	Handle to the UART instance used
rxBuf	Pointer to read data buffer
size	Data size to be transferred
extendedParams	Structure to hold the extended parameters

Returns: SystemP_SUCCESS if successful; else error on failure

◆ UART_lld_readDma()

int32_t UART_lld_readDma	(	UARTLLD_Handle	hUart,
		void *	rxBuf,
		uint32_t	size,
		const UART_ExtendedParams *	extendedParams
	)

This API writes data to the UART instance in DMA mode.

Parameters

hUart	Handle to the UART instance used
rxBuf	Pointer to read data buffer
size	Data size to be transferred
extendedParams	Structure to hold the extended parameters

Returns: SystemP_SUCCESS if successful; else error on failure

◆ UART_lld_writeCancel()

int32_t UART_lld_writeCancel	(	UARTLLD_Handle	hUart,
		UART_Transaction *	trans
	)

This API cancels current UART Write.

Parameters

hUart	Handle to the UART instance used
trans	Pointer to UART_Transaction structure

Returns: SystemP_SUCCESS if successful; else error on failure

◆ UART_lld_readCancel()

int32_t UART_lld_readCancel	(	UARTLLD_Handle	hUart,
		UART_Transaction *	trans
	)

This API cancels current UART Read.

Parameters

hUart	Handle to the UART instance used
trans	Pointer to UART_Transaction structure

Returns: SystemP_SUCCESS if successful; else error on failure

◆ UART_lld_flushTxFifo()

int32_t UART_lld_flushTxFifo ( UARTLLD_Handle hUart )

Function to flush a TX FIFO of peripheral specified by the UART handle.

Parameters

hUart Handle to the UART instance used

Returns: SystemP_SUCCESS if successful; else error on failure

◆ UART_procLineStatusErr()

int32_t UART_procLineStatusErr ( UARTLLD_Handle hUart )

Function to check various error conditions in uart.

Parameters

hUart Handle to the UART instance used

Returns: SystemP_SUCCESS if successful; else error on failure

◆ UART_lld_setRxState()

int32_t UART_lld_setRxState	(	UARTLLD_Handle	hUart,
		uint32_t	state
	)

Function to enable/disable UART RX.

Parameters

hUart	Handle to the UART instance used
state	Enable/Disable UART interrupt

Returns: SystemP_SUCCESS if successful; else error on failure

◆ UART_lld_controllerIsr()

void UART_lld_controllerIsr ( void * args )

This is the UART ISR and can be used as IRQ handler.

Parameters

args	Argument to the ISR.

◆ UART_intrDisable()

void UART_intrDisable	(	uint32_t	baseAddr,
		uint32_t	intrFlag
	)

This API disables the specified interrupts in the UART mode of operation.

Parameters

baseAddr	Memory address of the UART instance being used.
intrFlag	Bit mask value of the bits corresponding to Interrupt Enable Register(IER). This specifies the UART interrupts to be disabled.

'intrFlag' can take one or a combination of the following macros:

UART_INTR_CTS - to disable Clear-To-Send interrupt,
UART_INTR_RTS - to disable Request-To-Send interrupt,
UART_INTR_XOFF - to disable XOFF interrupt,
UART_INTR_SLEEPMODE - to disable Sleep Mode,
UART_INTR_MODEM_STAT - to disable Modem Status interrupt,
UART_INTR_LINE_STAT - to disable Line Status interrupt,
UART_INTR_THR - to disable Transmitter Holding Register Empty interrupt,
UART_INTR_RHR_CTI - to disable Receiver Data available interrupt and Character timeout indication interrupt.

Note: The note section of UART_intrEnable() also applies to this API.

See also: UART_open

◆ UART_intr2Disable()

void UART_intr2Disable	(	uint32_t	baseAddr,
		uint32_t	intrFlag
	)

This API disables the specified interrupts in the UART mode of operation for IER2.

Parameters

baseAddr	Memory address of the UART instance being used.
intrFlag	Bit mask value of the bits corresponding to Interrupt Enable Register(IER2). This specifies the UART interrupts to be disabled.

'intrFlag' can take one or a combination of the following macros:

UART_INTR2_RX_EMPTY - to enable receive FIFO empty interrupt
UART_INTR2_TX_EMPTY - to enable TX FIFO empty interrupt

Note: The note section of UART_intr2Enable() also applies to this API.

See also: UART_open

◆ UART_checkCharsAvailInFifo()

uint32_t UART_checkCharsAvailInFifo ( uint32_t baseAddr )

This API checks if the RX FIFO (or RHR in non-FIFO mode) has atleast one byte of data to be read.

Parameters

baseAddr Memory address of the UART instance being used.

Returns: TRUE - if there is atleast one data byte present in the RX FIFO (or RHR in non-FIFO mode)
FALSE - if there are no data bytes present in the RX FIFO(or RHR in non-FIFO mode)

See also: UART_open

◆ UART_readLineStatus()

uint32_t UART_readLineStatus ( uint32_t baseAddr )

This API reads the line status register value.

Parameters

baseAddr Memory address of the UART instance being used.

Returns: This returns the line status register value.

See also: UART_open

◆ UART_getCharFifo()

uint8_t UART_getCharFifo	(	uint32_t	baseAddr,
		uint8_t *	readBuf
	)

This API reads the data present at the top of the RX FIFO, that is, the data in the Receive Holding Register(RHR). However before reading the data from RHR, it checks for RX error.

Parameters

baseAddr	Memory address of the UART instance being used.
readBuf	Pointer to the byte buffer to be read from RHR register.

Returns: The data read from the RHR.

See also: UART_open

◆ UART_putChar()

void UART_putChar	(	uint32_t	baseAddr,
		uint8_t	byteTx
	)

This API writes a byte to the Transmitter FIFO without checking for the emptiness of the Transmitter FIFO or the Transmitter Shift Register(TSR).

Parameters

baseAddr	Memory address of the UART instance being used.
byteTx	The byte to be transmitted by the UART.

Note: Unlike the APIs UARTCharPut() or UARTCharPutNonBlocking(), this API does not check for the emptiness of the TX FIFO or TSR. This API is ideal for use in FIFO mode of operation where the 64-byte TX FIFO has to be written with successive bytes. If transmit interrupt is enabled, it provides a mechanism to control the writes to the TX FIFO.

See also: UART_open

◆ UART_intrEnable()

void UART_intrEnable	(	uint32_t	baseAddr,
		uint32_t	intrFlag
	)

This API enables the specified interrupts in the UART mode of operation.

Parameters

baseAddr	Memory address of the UART instance being used.
intrFlag	Bit mask value of the bits corresponding to Interrupt Enable Register(IER). This specifies the UART interrupts to be enabled.

'intrFlag' can take one or a combination of the following macros:

UART_INTR_CTS - to enable Clear-To-Send interrupt,
UART_INTR_RTS - to enable Request-To-Send interrupt,
UART_INTR_XOFF - to enable XOFF interrupt,
UART_INTR_SLEEPMODE - to enable Sleep Mode,
UART_INTR_MODEM_STAT - to enable Modem Status interrupt,
UART_INTR_LINE_STAT - to enable Line Status interrupt,
UART_INTR_THR - to enable Transmitter Holding Register Empty interrupt,
UART_INTR_RHR_CTI - to enable Receiver Data available interrupt and Character timeout indication interrupt.

Note: This API modifies the contents of UART Interrupt Enable Register (IER). Modifying the bits IER[7:4] requires that EFR[4] be set. This API does the needful before it accesses IER. Moreover, this API should be called when UART is operating in UART 16x Mode, UART 13x Mode or UART 16x Auto-baud mode.

See also: UART_open

◆ UART_getChar()

uint32_t UART_getChar	(	uint32_t	baseAddr,
		uint8_t *	pChar
	)

This API reads a byte from the Receiver Buffer Register (RBR). It checks once if any character is ready to be read.

Parameters

baseAddr	Memory address of the UART instance being used.
pChar	Pointer to the byte variable which saves the byte read from RBR if there is any char ready to be read

Returns: If the RX FIFO(or RHR) was found to have atleast one byte of data, then this API returns TRUE. Else it returns FALSE.

See also: UART_open

◆ UART_getIntr2Status()

uint32_t UART_getIntr2Status ( uint32_t baseAddr )

This API determines the UART Interrupt Status 2.

Parameters

baseAddr Memory address of the UART instance being used.

Returns

This returns one or a combination of the following macros:

UART_INTR2_RX_EMPTY - to enable receive FIFO empty interrupt
UART_INTR2_TX_EMPTY - to enable TX FIFO empty interrupt

See also: UART_open

◆ UART_getIntrIdentityStatus()

uint32_t UART_getIntrIdentityStatus ( uint32_t baseAddr )

This API determines the UART Interrupt Status.

Parameters

baseAddr Memory address of the UART instance being used.

Returns

This returns one or a combination of the following macros:

UART_INTID_MODEM_STAT - indicating the occurence of a Modem Status interrupt
UART_INTID_TX_THRES_REACH - indicating that the TX FIFO Threshold number of bytes can be written to the TX FIFO.
UART_INTID_RX_THRES_REACH - indicating that the RX FIFO has reached its programmed Trigger Level
UART_INTID_RX_LINE_STAT_ERROR - indicating the occurence of a receiver Line Status error
UART_INTID_CHAR_TIMEOUT - indicating the occurence of a Receiver Timeout
UART_INTID_XOFF_SPEC_CHAR_DETECT - indicating the detection of XOFF or a Special character
UART_INTID_MODEM_SIG_STATE_CHANGE - indicating that atleast one of the Modem signals among CTSn, RTSn and DSRn have changed states from active(low) to inactive(high)

See also: UART_open

◆ UART_intr2Enable()

void UART_intr2Enable	(	uint32_t	baseAddr,
		uint32_t	intrFlag
	)

This API enables the specified interrupts in the UART mode of operation for IER2.

Parameters

baseAddr	Memory address of the UART instance being used.
intrFlag	Bit mask value of the bits corresponding to Interrupt Enable Register(IER2). This specifies the UART interrupts to be enabled.

'intrFlag' can take one or a combination of the following macros:

UART_INTR2_RX_EMPTY - to enable receive FIFO empty interrupt
UART_INTR2_TX_EMPTY - to enable TX FIFO empty interrupt

Note: This API modifies the contents of UART Interrupt Enable Register 2 (IER2).

See also: UART_open

◆ UART_lld_Transaction_init()

void UART_lld_Transaction_init ( UART_Transaction * trans )

Function to initialize the UART_Transaction struct to its defaults.

Parameters

trans Pointer to UART_Transaction structure for initialization

◆ UART_lld_Transaction_deInit()

void UART_lld_Transaction_deInit ( UART_Transaction * trans )

Function to de-initialize the UART_Transaction struct to its defaults.

Parameters

trans Pointer to UART_Transaction structure for initialization

Introduction

Files

Data Structures

Functions

Typedefs

Macros

Transfer Status Code

UART Read length

UART data length

UART stop bits

UART Parity

UART Flow Control Type

UART Flow Control Params for RX

UART Flow Control Params for TX

UART RX trigger level

UART TX trigger level

UART Operational Mode

Values indicating the filled status of TX FIFO

Values related to status of Interrupt souces.

Values related to enabling/disabling of Interrupts.

Values related to Line Status information.

Values related to Register Mode Configuration.

UART Configration Mode

Macro Definition Documentation

◆ UART_FIFO_SIZE

◆ UART_TRANSMITEMPTY_TRIALCOUNT

◆ UART_ERROR_COUNT

◆ UART_STATUS_SUCCESS

◆ UART_STATUS_FAILURE

◆ UART_TRANSFER_STATUS_SUCCESS

◆ UART_TRANSFER_STATUS_FAILURE

◆ UART_WAIT_FOREVER

◆ UART_INVALID_PARAM

◆ UART_TRANSFER_BUSY

◆ UART_TRANSFER_TIMEOUT

◆ UART_TRANSFER_INVALID_STATE

◆ UART_TRANSFER_STATUS_TIMEOUT

◆ UART_TRANSFER_STATUS_ERROR_BI

◆ UART_TRANSFER_STATUS_ERROR_FE

◆ UART_TRANSFER_STATUS_ERROR_PE

◆ UART_TRANSFER_STATUS_ERROR_OE

◆ UART_TRANSFER_STATUS_CANCELLED

◆ UART_TRANSFER_STATUS_STARTED

◆ UART_TRANSFER_STATUS_READ_TIMEOUT

◆ UART_TRANSFER_STATUS_ERROR_INUSE

◆ UART_TRANSFER_STATUS_ERROR_OTH

◆ UART_READ_RETURN_MODE_FULL

◆ UART_READ_RETURN_MODE_PARTIAL

◆ UART_LEN_5

◆ UART_LEN_6

◆ UART_LEN_7

◆ UART_LEN_8

◆ UART_STATE_RESET

◆ UART_STATE_READY

◆ UART_STATE_BUSY

◆ UART_STATE_ERROR

◆ UART_NOT_IN_USE

◆ UART_STOPBITS_1

◆ UART_STOPBITS_2

◆ UART_STOPBITS_1P5

◆ UART_PARITY_NONE

◆ UART_PARITY_ODD

◆ UART_PARITY_EVEN

◆ UART_PARITY_FORCED0

◆ UART_PARITY_FORCED1

◆ UART_FCTYPE_NONE

◆ UART_FCTYPE_HW

◆ UART_FCPARAM_RXNONE

◆ UART_FCPARAM_RXXONXOFF_2

◆ UART_FCPARAM_RXXONXOFF_1

◆ UART_FCPARAM_RXXONXOFF_12

◆ UART_FCPARAM_AUTO_RTS

◆ UART_FCPARAM_TXNONE

◆ UART_FCPARAM_TXXONXOFF_2

◆ UART_FCPARAM_TXXONXOFF_1

◆ UART_FCPARAM_TXXONXOFF_12

◆ UART_FCPARAM_AUTO_CTS

◆ UART_RXTRIGLVL_1

◆ UART_RXTRIGLVL_8

◆ UART_RXTRIGLVL_16