uartdma.c File Reference

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Detailed Description

Definition in file uartdma.c.

#include "at91sam7s64.h"
#include "global.h"
#include "processor.h"
#include "buffer.h"
#include "uartdma.h"

Go to the source code of this file.

Defines
#define	pUSART0   ((AT91S_USART*)AT91C_BASE_US0)
#define	pUSART1   ((AT91S_USART*)AT91C_BASE_US1)
#define	pUSART2   ((AT91S_USART*)AT91C_BASE_DBGU)
#define	pPDC(dev)   ((AT91S_PDC*)((unsigned char*)(dev)+0x100))
Functions
void	uart0Init (uint16_t bauddiv, uint32_t mode)
	initializes uart
void	uart1Init (uint16_t bauddiv, uint32_t mode)
void	uart2Init (uint16_t bauddiv, uint32_t mode)
void	uart0InitBuffers (void)
	initializes transmit and receive buffers
void	uart1InitBuffers (void)
void	uart2InitBuffers (void)
void	uartInitDmaTx (int dev)
	setup DMA for circular-buffer transmit
void	uartInitDmaRx (int dev)
	setup DMA for circular-buffer receive
cBuffer *	uartGetRxBuffer (int dev)
	get receive buffer structure
int	uartSendByte (int dev, int data)
	sends a single byte over the uart
int	uartGetByte (int dev)
	gets a single byte from the uart receive buffer
int	uartSendBlock (int dev, unsigned char *data, unsigned int len)
	sends a block of data over the uart
int	uartGetBlock (int dev, unsigned char *data, unsigned int len)
	gets a block of data from over the uart
void	uart0Service (void)
	interrupt service handlers
void	uart1Service (void)
void	uart2Service (void)
Variables
cBuffer	UartRxBuffer [3]
	uart receive buffers
cBuffer	UartTxBuffer [3]
	uart transmit buffers
AT91S_USART *const	pUSART [3] = { AT91C_BASE_US0, AT91C_BASE_US0, AT91C_BASE_DBGU }

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