usartsc16is752.h File Reference

#include <sys/device.h>
#include <dev/uart.h>
#include <dev/usart.h>
#include <dev/irqreg.h>

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Go to the source code of this file.

Data Structures
struct	regselstate_t
Defines
#define	DEV_MAX   2
#define	CH_MAX   2
#define	USART_DEVICE0_I2C_ADDR   0x48
#define	USART_DEVICE1_I2C_ADDR   0x49
#define	REGADDR(regsel, ch)   (((regsel)<<3)|(((ch)&1)<<1))
#define	XTAL   1843200
#define	INIT_BAUDRATE   19200
Enumerations
enum	{   EEFBIT = 0x01, TCRBIT = 0x02, DEFSEL = 0x00, TCRSEL = 0x20,   SRSSEL = 0x40, ERSSEL = 0x80, REGSEL_MASK = 0xf0 }
enum	Sc16is752Regs_t {   RHR = 0, THR = 0, IER = 1, IIR = 2,   FCR = 2, LCR = 3, MCR = 4, LSR = 5,   MSR = 6, SPR = 7, TCR, TLR,   TXLVL = 8, RXLVL = 9, IODir = 10, IOState = 11,   IOIntEna = 12, IOControl = 14, EFCR = 15, DLL,   DLH, EFR, XON1, XON2,   XOFF1, XOFF2 }
Functions
void	Sc16is752UsartEnable (uint8_t dev, uint8_t ch)
	Carefully enable USART hardware functions.
void	Sc16is752UsartDisable (uint8_t dev, uint8_t ch)
	Carefully disable USART hardware functions.
uint32_t	Sc16is752UsartGetSpeed (uint8_t dev, uint8_t ch)
	Query the USART hardware for the selected speed.
int	Sc16is752UsartSetSpeed (uint32_t rate, uint8_t dev, uint8_t ch)
	Set the USART hardware bit rate.
uint8_t	Sc16is752UsartGetDataBits (uint8_t dev, uint8_t ch)
	Query the USART hardware for the number of data bits.
int	Sc16is752UsartSetDataBits (uint8_t bits, uint8_t dev, uint8_t ch)
	Set the USART hardware to the number of data bits.
uint8_t	Sc16is752UsartGetParity (uint8_t dev, uint8_t ch)
	Query the USART hardware for the parity mode.
int	Sc16is752UsartSetParity (uint8_t mode, uint8_t dev, uint8_t ch)
	Set the USART hardware to the specified parity mode.
uint8_t	Sc16is752UsartGetStopBits (uint8_t dev, uint8_t ch)
	Query the USART hardware for the number of stop bits.
int	Sc16is752UsartSetStopBits (uint8_t bits, uint8_t dev, uint8_t ch)
	Set the USART hardware to the number of stop bits.
uint32_t	Sc16is752UsartGetStatus (uint8_t dev, uint8_t ch)
	Query the USART hardware status.
int	Sc16is752UsartSetStatus (uint32_t flags, uint8_t dev, uint8_t ch)
	Set the USART hardware status.
uint8_t	Sc16is752UsartGetClockMode (uint8_t dev, uint8_t ch)
	Query the USART hardware for synchronous mode.
int	Sc16is752UsartSetClockMode (uint8_t mode, uint8_t dev, uint8_t ch)
	Set asynchronous or synchronous mode.
uint32_t	Sc16is752UsartGetFlowControl (uint8_t dev, uint8_t ch)
	Query flow control mode.
int	Sc16is752UsartSetFlowControl (uint32_t flags, uint8_t dev, uint8_t ch)
	Set flow control mode.
void	Sc16is752UsartTxStart (uint8_t dev, uint8_t ch)
	Start the USART transmitter hardware.
void	Sc16is752UsartRxStart (uint8_t dev, uint8_t ch)
	Start the USART receiver hardware.
int	Sc16is752UsartInit (uint8_t dev, uint8_t ch, NUTDEVICE *nutDev, IRQ_HANDLER *irq)
	Initialize the USART hardware driver.
int	Sc16is752UsartDeinit (uint8_t dev, uint8_t ch, IRQ_HANDLER *irq)
	Deinitialize the USART hardware driver.

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Define Documentation

#define DEV_MAX   2

Definition at line 88 of file usartsc16is752.h.

#define CH_MAX   2

Definition at line 89 of file usartsc16is752.h.

#define USART_DEVICE0_I2C_ADDR   0x48

Definition at line 91 of file usartsc16is752.h.

#define USART_DEVICE1_I2C_ADDR   0x49

Definition at line 92 of file usartsc16is752.h.

#define REGADDR	(		regsel,
			ch
	)		(((regsel)<<3)|(((ch)&1)<<1))

Definition at line 96 of file usartsc16is752.h.

#define XTAL   1843200

Definition at line 99 of file usartsc16is752.h.

#define INIT_BAUDRATE   19200

Definition at line 101 of file usartsc16is752.h.

Referenced by Sc16is752UsartInit().

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Enumeration Type Documentation

anonymous enum

Enumerator:

EEFBIT
TCRBIT
DEFSEL
TCRSEL
SRSSEL
ERSSEL
REGSEL_MASK

Definition at line 33 of file usartsc16is752.h.

enum Sc16is752Regs_t

Enumerator:

RHR
THR
IER
IIR
FCR
LCR
MCR
LSR
MSR
SPR
TCR
TLR
TXLVL
RXLVL
IODir
IOState
IOIntEna
IOControl
EFCR
DLL
DLH
EFR
XON1
XON2
XOFF1
XOFF2

Definition at line 49 of file usartsc16is752.h.