uart.h File Reference

#include <stdbool.h>
#include <stdint.h>
#include "../inc/hw_types.h"
#include "../inc/hw_uart.h"
#include "../inc/hw_memmap.h"
#include "../inc/hw_ints.h"
#include "interrupt.h"
#include "debug.h"

Macros
#define	UART_INT_EOT   ( UART_IMSC_EOTIM )
#define	UART_INT_OE   ( UART_IMSC_OEIM )
#define	UART_INT_BE   ( UART_IMSC_BEIM )
#define	UART_INT_PE   ( UART_IMSC_PEIM )
#define	UART_INT_FE   ( UART_IMSC_FEIM )
#define	UART_INT_RT   ( UART_IMSC_RTIM )
#define	UART_INT_TX   ( UART_IMSC_TXIM )
#define	UART_INT_RX   ( UART_IMSC_RXIM )
#define	UART_INT_CTS   ( UART_IMSC_CTSMIM )
#define	UART_CONFIG_WLEN_MASK   0x00000060
#define	UART_CONFIG_WLEN_8   0x00000060
#define	UART_CONFIG_WLEN_7   0x00000040
#define	UART_CONFIG_WLEN_6   0x00000020
#define	UART_CONFIG_WLEN_5   0x00000000
#define	UART_CONFIG_STOP_MASK   0x00000008
#define	UART_CONFIG_STOP_ONE   0x00000000
#define	UART_CONFIG_STOP_TWO   0x00000008
#define	UART_CONFIG_PAR_MASK   0x00000086
#define	UART_CONFIG_PAR_NONE   0x00000000
#define	UART_CONFIG_PAR_EVEN   0x00000006
#define	UART_CONFIG_PAR_ODD   0x00000002
#define	UART_CONFIG_PAR_ONE   0x00000082
#define	UART_CONFIG_PAR_ZERO   0x00000086
#define	UART_FIFO_TX1_8   0x00000000
#define	UART_FIFO_TX2_8   0x00000001
#define	UART_FIFO_TX4_8   0x00000002
#define	UART_FIFO_TX6_8   0x00000003
#define	UART_FIFO_TX7_8   0x00000004
#define	UART_FIFO_RX1_8   0x00000000
#define	UART_FIFO_RX2_8   0x00000008
#define	UART_FIFO_RX4_8   0x00000010
#define	UART_FIFO_RX6_8   0x00000018
#define	UART_FIFO_RX7_8   0x00000020
#define	UART_DMA_ERR_RXSTOP   0x00000004
#define	UART_DMA_TX   0x00000002
#define	UART_DMA_RX   0x00000001
#define	UART_RXERROR_OVERRUN   0x00000008
#define	UART_RXERROR_BREAK   0x00000004
#define	UART_RXERROR_PARITY   0x00000002
#define	UART_RXERROR_FRAMING   0x00000001
#define	UART_BUSY   0x00000001
#define	UART_IDLE   0x00000000

Functions
static void	UARTParityModeSet (uint32_t ui32Base, uint32_t ui32Parity)
	Sets the type of parity. More...
static uint32_t	UARTParityModeGet (uint32_t ui32Base)
	Gets the type of parity currently being used. More...
static void	UARTFIFOLevelSet (uint32_t ui32Base, uint32_t ui32TxLevel, uint32_t ui32RxLevel)
	Sets the FIFO level at which interrupts are generated. More...
void	UARTFIFOLevelGet (uint32_t ui32Base, uint32_t *pui32TxLevel, uint32_t *pui32RxLevel)
	Gets the FIFO level at which interrupts are generated. More...
void	UARTConfigSetExpClk (uint32_t ui32Base, uint32_t ui32UARTClk, uint32_t ui32Baud, uint32_t ui32Config)
	Sets the configuration of a UART. More...
void	UARTConfigGetExpClk (uint32_t ui32Base, uint32_t ui32UARTClk, uint32_t *pui32Baud, uint32_t *pui32Config)
	Gets the current configuration of a UART. More...
static void	UARTEnable (uint32_t ui32Base)
	Enables transmitting and receiving. More...
void	UARTDisable (uint32_t ui32Base)
	Disables transmitting and receiving. More...
static void	UARTFIFOEnable (uint32_t ui32Base)
	Enables the transmit and receive FIFOs. More...
static void	UARTFIFODisable (uint32_t ui32Base)
	Disables the transmit and receive FIFOs. More...
static bool	UARTCharsAvail (uint32_t ui32Base)
	Determines if there are any characters in the receive FIFO. More...
static bool	UARTSpaceAvail (uint32_t ui32Base)
	Determines if there is any space in the transmit FIFO. More...
int32_t	UARTCharGetNonBlocking (uint32_t ui32Base)
	Receives a character from the specified port. More...
int32_t	UARTCharGet (uint32_t ui32Base)
	Waits for a character from the specified port. More...
bool	UARTCharPutNonBlocking (uint32_t ui32Base, uint8_t ui8Data)
	Sends a character to the specified port. More...
void	UARTCharPut (uint32_t ui32Base, uint8_t ui8Data)
	Waits to send a character from the specified port. More...
static bool	UARTBusy (uint32_t ui32Base)
	Determines whether the UART transmitter is busy or not. More...
static void	UARTBreakCtl (uint32_t ui32Base, bool bBreakState)
	Causes a BREAK to be sent. More...
void	UARTIntRegister (uint32_t ui32Base, void(*pfnHandler)(void))
	Registers an interrupt handler for a UART interrupt in the dynamic interrupt table. More...
void	UARTIntUnregister (uint32_t ui32Base)
	Unregisters an interrupt handler for a UART interrupt in the dynamic interrupt table. More...
static void	UARTIntEnable (uint32_t ui32Base, uint32_t ui32IntFlags)
	Enables individual UART interrupt sources. More...
static void	UARTIntDisable (uint32_t ui32Base, uint32_t ui32IntFlags)
	Disables individual UART interrupt sources. More...
static uint32_t	UARTIntStatus (uint32_t ui32Base, bool bMasked)
	Gets the current interrupt status. More...
static void	UARTIntClear (uint32_t ui32Base, uint32_t ui32IntFlags)
	Clears UART interrupt sources. More...
static void	UARTDMAEnable (uint32_t ui32Base, uint32_t ui32DMAFlags)
	Enable UART DMA operation. More...
static void	UARTDMADisable (uint32_t ui32Base, uint32_t ui32DMAFlags)
	Disable UART DMA operation. More...
static uint32_t	UARTRxErrorGet (uint32_t ui32Base)
	Gets current receiver errors. More...
static void	UARTRxErrorClear (uint32_t ui32Base)
	Clears all reported receiver errors. More...
static void	UARTHwFlowControlEnable (uint32_t ui32Base)
	Enables hardware flow control for both CTS and RTS. More...
static void	UARTHwFlowControlDisable (uint32_t ui32Base)
	Disables hardware flow control for both CTS and RTS. More...