lpc177x_8x_uart.h

LPC1788的USBHOST的FATFS移植

/** Reflects the current level of the UART transmitter FIFO */
#define UART_FIFOLVL_TXFIFOLVL(n)	((uint32_t)((n>>8)&0x0F))
/** UART FIFO Level Register bit mask */
#define UART_FIFOLVL_BITMASK		((uint32_t)(0x0F0F))


/**
 * @}
 */


/* Public Types --------------------------------------------------------------- */
/** @defgroup UART_Public_Types UART Public Types
 * @{
 */

/**
 * @brief UART Databit type definitions
 */
typedef enum {
	UART_DATABIT_5		= 0,     		/*!< UART 5 bit data mode */
	UART_DATABIT_6,		     			/*!< UART 6 bit data mode */
	UART_DATABIT_7,		     			/*!< UART 7 bit data mode */
	UART_DATABIT_8		     			/*!< UART 8 bit data mode */
} UART_DATABIT_Type;

/**
 * @brief UART Stop bit type definitions
 */
typedef enum {
	UART_STOPBIT_1		= (0),   					/*!< UART 1 Stop Bits Select */
	UART_STOPBIT_2,		 							/*!< UART Two Stop Bits Select */
} UART_STOPBIT_Type;

/**
 * @brief UART Parity type definitions
 */
typedef enum {
	UART_PARITY_NONE 	= 0,					/*!< No parity */
	UART_PARITY_ODD,	 						/*!< Odd parity */
	UART_PARITY_EVEN, 							/*!< Even parity */
	UART_PARITY_SP_1, 							/*!< Forced "1" stick parity */
	UART_PARITY_SP_0 							/*!< Forced "0" stick parity */
} UART_PARITY_Type;

/**
 * @brief FIFO Level type definitions
 */
typedef enum {
	UART_FIFO_TRGLEV0 = 0,	/*!< UART FIFO trigger level 0: 1 character */
	UART_FIFO_TRGLEV1, 		/*!< UART FIFO trigger level 1: 4 character */
	UART_FIFO_TRGLEV2,		/*!< UART FIFO trigger level 2: 8 character */
	UART_FIFO_TRGLEV3		/*!< UART FIFO trigger level 3: 14 character */
} UART_FITO_LEVEL_Type;

/********************************************************************//**
* @brief UART Interrupt Type definitions
**********************************************************************/
typedef enum {
	UART_INTCFG_RBR = 0,	/*!< RBR Interrupt enable*/
	UART_INTCFG_THRE,		/*!< THR Interrupt enable*/
	UART_INTCFG_RLS,		/*!< RX line status interrupt enable*/
	UART1_INTCFG_MS,		/*!< Modem status interrupt enable (UART1 only) */
	UART1_INTCFG_CTS,		/*!< CTS1 signal transition interrupt enable (UART1 only) */
	UART_INTCFG_ABEO,		/*!< Enables the end of auto-baud interrupt */
	UART_INTCFG_ABTO		/*!< Enables the auto-baud time-out interrupt */
} UART_INT_Type;

/**
 * @brief UART Line Status Type definition
 */
typedef enum {
	UART_LINESTAT_RDR	= UART_LSR_RDR,			/*!<Line status register: Receive data ready*/
	UART_LINESTAT_OE	= UART_LSR_OE,			/*!<Line status register: Overrun error*/
	UART_LINESTAT_PE	= UART_LSR_PE,			/*!<Line status register: Parity error*/
	UART_LINESTAT_FE	= UART_LSR_FE,			/*!<Line status register: Framing error*/
	UART_LINESTAT_BI	= UART_LSR_BI,			/*!<Line status register: Break interrupt*/
	UART_LINESTAT_THRE	= UART_LSR_THRE,		/*!<Line status register: Transmit holding register empty*/
	UART_LINESTAT_TEMT	= UART_LSR_TEMT,		/*!<Line status register: Transmitter empty*/
	UART_LINESTAT_RXFE	= UART_LSR_RXFE			/*!<Error in RX FIFO*/
} UART_LS_Type;

/**
 * @brief UART Auto-baudrate mode type definition
 */
typedef enum {
	UART_AUTOBAUD_MODE0				= 0,			/**< UART Auto baudrate Mode 0 */
	UART_AUTOBAUD_MODE1,							/**< UART Auto baudrate Mode 1 */
} UART_AB_MODE_Type;

/**
 * @brief Auto Baudrate mode configuration type definition
 */
typedef struct {
	UART_AB_MODE_Type	ABMode;			/**< Autobaudrate mode */
	FunctionalState		AutoRestart;	/**< Auto Restart state */
} UART_AB_CFG_Type;

/**
 * @brief UART End of Auto-baudrate type definition
 */
typedef enum {
	UART_AUTOBAUD_INTSTAT_ABEO		= UART_IIR_ABEO_INT,		/**< UART End of auto-baud interrupt  */
	UART_AUTOBAUD_INTSTAT_ABTO		= UART_IIR_ABTO_INT			/**< UART Auto-baud time-out interrupt  */
}UART_ABEO_Type;

/**
 * UART IrDA Control type Definition
 */
typedef enum 
{
	/** Pulse width = 2 * Tpclk
	- Configures the pulse when FixPulseEn = 1 */
	UART_IrDA_PULSEDIV2		= 0,

	/** Pulse width = 4 * Tpclk
	- Configures the pulse when FixPulseEn = 1 */
	UART_IrDA_PULSEDIV4,

	/** Pulse width = 8 * Tpclk
	- Configures the pulse when FixPulseEn = 1 */
	UART_IrDA_PULSEDIV8,

	/** Pulse width = 16 * Tpclk
	- Configures the pulse when FixPulseEn = 1 */
	UART_IrDA_PULSEDIV16,

	/** Pulse width = 32 * Tpclk
	- Configures the pulse when FixPulseEn = 1 */
	UART_IrDA_PULSEDIV32,

	/**< Pulse width = 64 * Tpclk
	- Configures the pulse when FixPulseEn = 1 */
	UART_IrDA_PULSEDIV64,

	/**< Pulse width = 128 * Tpclk
	- Configures the pulse when FixPulseEn = 1 */
	UART_IrDA_PULSEDIV128,

	/**< Pulse width = 256 * Tpclk
	- Configures the pulse when FixPulseEn = 1 */
	UART_IrDA_PULSEDIV256
} UART_IrDA_PULSE_Type;

/********************************************************************//**
* @brief UART1 Full modem -  Signal states definition
**********************************************************************/
typedef enum {
	INACTIVE = 0,			/* In-active state */
	ACTIVE = !INACTIVE 		/* Active state */
}UART1_SignalState;

/**
 * @brief UART modem status type definition
 */
typedef enum {
	UART1_MODEM_STAT_DELTA_CTS	= UART1_MSR_DELTA_CTS,		/*!< Set upon state change of input CTS */
	UART1_MODEM_STAT_DELTA_DSR	= UART1_MSR_DELTA_DSR,		/*!< Set upon state change of input DSR */
	UART1_MODEM_STAT_LO2HI_RI	= UART1_MSR_LO2HI_RI,		/*!< Set upon low to high transition of input RI */
	UART1_MODEM_STAT_DELTA_DCD	= UART1_MSR_DELTA_DCD,		/*!< Set upon state change of input DCD */
	UART1_MODEM_STAT_CTS		= UART1_MSR_CTS,			/*!< Clear To Send State */
	UART1_MODEM_STAT_DSR		= UART1_MSR_DSR,			/*!< Data Set Ready State */
	UART1_MODEM_STAT_RI			= UART1_MSR_RI,				/*!< Ring Indicator State */
	UART1_MODEM_STAT_DCD		= UART1_MSR_DCD				/*!< Data Carrier Detect State */
} UART_MODEM_STAT_type;

/**
 * @brief Modem output pin type definition
 */
typedef enum {
	UART1_MODEM_PIN_DTR			= 0,		/*!< Source for modem output pin DTR */
	UART1_MODEM_PIN_RTS						/*!< Source for modem output pin RTS */
} UART_MODEM_PIN_Type;

/**
 * @brief UART Modem mode type definition
 */
typedef enum {
	UART1_MODEM_MODE_LOOPBACK	= 0,		/*!< Loop back mode select */
	UART1_MODEM_MODE_AUTO_RTS,				/*!< Enable Auto RTS flow-control */
	UART1_MODEM_MODE_AUTO_CTS 				/*!< Enable Auto CTS flow-control */
} UART_MODEM_MODE_Type;

/**
 * @brief UART Direction Control Pin type definition
 */
typedef enum {
	UART1_RS485_DIRCTRL_RTS = 0,	/**< Pin RTS is used for direction control */
	UART1_RS485_DIRCTRL_DTR			/**< Pin DTR is used for direction control */
} UART_RS485_DIRCTRL_PIN_Type;

/********************************************************************//**
* @brief UART Configuration Structure definition
**********************************************************************/
typedef struct {
  uint32_t Baud_rate;   		/**< UART baud rate */
  UART_PARITY_Type Parity;    	/**< Parity selection, should be:
							   - UART_PARITY_NONE: No parity
							   - UART_PARITY_ODD: Odd parity
							   - UART_PARITY_EVEN: Even parity
							   - UART_PARITY_SP_1: Forced "1" stick parity
							   - UART_PARITY_SP_0: Forced "0" stick parity
							   */
  UART_DATABIT_Type Databits;   /**< Number of data bits, should be:
							   - UART_DATABIT_5: UART 5 bit data mode
							   - UART_DATABIT_6: UART 6 bit data mode
							   - UART_DATABIT_7: UART 7 bit data mode
							   - UART_DATABIT_8: UART 8 bit data mode
							   */
  UART_STOPBIT_Type Stopbits;   /**< Number of stop bits, should be:
							   - UART_STOPBIT_1: UART 1 Stop Bits Select
							   - UART_STOPBIT_2: UART 2 Stop Bits Select
							   */
} UART_CFG_Type;

/********************************************************************//**
* @brief UART FIFO Configuration Structure definition
**********************************************************************/

typedef struct {
	FunctionalState FIFO_ResetRxBuf;	/**< Reset Rx FIFO command state , should be:
										 - ENABLE: Reset Rx FIFO in UART
										 - DISABLE: Do not reset Rx FIFO  in UART
										 */
	FunctionalState FIFO_ResetTxBuf;	/**< Reset Tx FIFO command state , should be:
										 - ENABLE: Reset Tx FIFO in UART
										 - DISABLE: Do not reset Tx FIFO  in UART
										 */
	FunctionalState FIFO_DMAMode;		/**< DMA mode, should be:
										 - ENABLE: Enable DMA mode in UART
										 - DISABLE: Disable DMA mode in UART
										 */
	UART_FITO_LEVEL_Type FIFO_Level;	/**< Rx FIFO trigger level, should be:
										- UART_FIFO_TRGLEV0: UART FIFO trigger level 0: 1 character
										- UART_FIFO_TRGLEV1: UART FIFO trigger level 1: 4 character
										- UART_FIFO_TRGLEV2: UART FIFO trigger level 2: 8 character
										- UART_FIFO_TRGLEV3: UART FIFO trigger level 3: 14 character
										*/
} UART_FIFO_CFG_Type;

/********************************************************************//**
* @brief UART1 Full modem -  RS485 Control configuration type
**********************************************************************/
typedef struct {
	FunctionalState NormalMultiDropMode_State; /*!< Normal MultiDrop mode State:
													- ENABLE: Enable this function.
													- DISABLE: Disable this function. */
	FunctionalState Rx_State;					/*!< Receiver State:
													- ENABLE: Enable Receiver.
													- DISABLE: Disable Receiver. */
	FunctionalState AutoAddrDetect_State;		/*!< Auto Address Detect mode state:
												- ENABLE: ENABLE this function.
												- DISABLE: Disable this function. */
	FunctionalState AutoDirCtrl_State;			/*!< Auto Direction Control State:
												- ENABLE: Enable this function.
												- DISABLE: Disable this function. */
	UART_RS485_DIRCTRL_PIN_Type DirCtrlPin;		/*!< If direction control is enabled, state:
												- UART1_RS485_DIRCTRL_RTS:
												pin RTS is used for direction control.
												- UART1_RS485_DIRCTRL_DTR:
												pin DTR is used for direction control. */
	 SetState DirCtrlPol_Level;					/*!< Polarity of the direction control signal on
												the RTS (or DTR) pin:
												- RESET: The direction control pin will be driven
												to logic "0" when the transmitter has data to be sent.
												- SET: The direction control pin will be driven
												to logic "1" when the transmitter has data to be sent. */
	uint8_t MatchAddrValue;					/*!< address match value for RS-485/EIA-485 mode, 8-bit long */
	uint8_t DelayValue;						/*!< delay time is in periods of the baud clock, 8-bit long */
} UART1_RS485_CTRLCFG_Type;

/**
 * @}
 */


/* Public Functions ----------------------------------------------------------- */
/** @defgroup UART_Public_Functions UART Public Functions
 * @{
 */
/* UART Init/DeInit functions --------------------------------------------------*/
void UART_Init(LPC_UART_TypeDef *UARTx, UART_CFG_Type *UART_ConfigStruct);
void UART_DeInit(LPC_UART_TypeDef* UARTx);
void UART_ConfigStructInit(UART_CFG_Type *UART_InitStruct);

/* UART Send/Receive functions -------------------------------------------------*/
void UART_SendByte(LPC_UART_TypeDef* UARTx, uint8_t Data);
uint8_t UART_ReceiveByte(LPC_UART_TypeDef* UARTx);
uint32_t UART_Send(LPC_UART_TypeDef *UARTx, uint8_t *txbuf,
		uint32_t buflen, TRANSFER_BLOCK_Type flag);
uint32_t UART_Receive(LPC_UART_TypeDef *UARTx, uint8_t *rxbuf, \
		uint32_t buflen, TRANSFER_BLOCK_Type flag);

/* UART FIFO functions ----------------------------------------------------------*/
void UART_FIFOConfig(LPC_UART_TypeDef *UARTx, UART_FIFO_CFG_Type *FIFOCfg);
void UART_FIFOConfigStructInit(UART_FIFO_CFG_Type *UART_FIFOInitStruct);

/* UART get information functions -----------------------------------------------*/
uint32_t UART_GetIntId(LPC_UART_TypeDef* UARTx);
uint8_t UART_GetLineStatus(LPC_UART_TypeDef* UARTx);

/* UART operate functions -------------------------------------------------------*/
void UART_IntConfig(LPC_UART_TypeDef *UARTx, UART_INT_Type UARTIntCfg, \
				FunctionalState NewState);
void UART_TxCmd(LPC_UART_TypeDef *UARTx, FunctionalState NewState);
FlagStatus UART_CheckBusy(LPC_UART_TypeDef *UARTx);
void UART_ForceBreak(LPC_UART_TypeDef* UARTx);

/* UART Auto-baud functions -----------------------------------------------------*/
void UART_ABClearIntPending(LPC_UART_TypeDef *UARTx, UART_ABEO_Type ABIntType);
void UART_ABCmd(LPC_UART_TypeDef *UARTx, UART_AB_CFG_Type *ABConfigStruct, \
				FunctionalState NewState);

/* UART1 FullModem functions ----------------------------------------------------*/
void UART_FullModemForcePinState(LPC_UART1_TypeDef *UARTx, UART_MODEM_PIN_Type Pin, \
							UART1_SignalState NewState);
void UART_FullModemConfigMode(LPC_UART1_TypeDef *UARTx, UART_MODEM_MODE_Type Mode, \
							FunctionalState NewState);
uint8_t UART_FullModemGetStatus(LPC_UART1_TypeDef *UARTx);

/* UART RS485 functions ----------------------------------------------------------*/
void UART_RS485Config(LPC_UART_TypeDef *UARTx,
									UART1_RS485_CTRLCFG_Type *RS485ConfigStruct);
void UART_RS485ReceiverCmd(LPC_UART_TypeDef *UARTx, FunctionalState NewState);
void UART_RS485SendSlvAddr(LPC_UART_TypeDef *UARTx, uint8_t SlvAddr);
uint32_t UART_RS485SendData(LPC_UART_TypeDef *UARTx, uint8_t *pData, uint32_t size);

/* UART IrDA functions-------------------------------------------------------------*/
void UART_IrDAInvtInputCmd(LPC_UART_TypeDef* UARTx, FunctionalState NewState);
void UART_IrDACmd(LPC_UART_TypeDef* UARTx, FunctionalState NewState);
void UART_IrDAPulseDivConfig(LPC_UART_TypeDef *UARTx, UART_IrDA_PULSE_Type PulseDiv);
/**
 * @}
 */


#ifdef __cplusplus
}
#endif


#endif /* __LPC177X_8X_UART_H_ */

/**
 * @}
 */

/* --------------------------------- End Of File ------------------------------ */