ser_at91.c File Reference

ARM UART and SPI I/O driver. More...

#include "hw/hw_ser.h"
#include <hw/hw_cpufreq.h>
#include "cfg/cfg_ser.h"
#include <cfg/debug.h>
#include <io/arm.h>
#include <cpu/attr.h>
#include <drv/ser.h>
#include <drv/ser_p.h>
#include <struct/fifobuf.h>

Go to the source code of this file.


Data Structures

struct  ArmSerial
 Internal hardware state structure. More...

Defines

#define SERIRQ_PRIORITY   4
 default priority for serial irqs.
Overridable serial bus hooks
These can be redefined in hw.h to implement special bus policies such as half-duplex, 485, etc.

  TXBEGIN      TXCHAR      TXEND  TXOFF
    |   __________|__________ |     |
    |   |   |   |   |   |   | |     |
    v   v   v   v   v   v   v v     v
 ______  __  __  __  __  __  __  ________________
       \/  \/  \/  \/  \/  \/  \/
 ______/\__/\__/\__/\__/\__/\__/


#define SER_UART0_BUS_TXINIT
 Default TXINIT macro - invoked in uart0_init().
#define SER_UART0_BUS_TXCHAR(c)
 Invoked before starting a transmission.
#define SER_UART1_BUS_TXINIT
 Invoked as soon as the txfifo becomes empty.
#define SER_UART1_BUS_TXCHAR(c)
 Invoked before starting a transmission.

Functions

static void uart0_irq_dispatcher (void)
 Serial IRQ dispatcher for USART0.
static void uart1_irq_dispatcher (void)
 Serial IRQ dispatcher for USART1.
static void spi0_irq_handler (void)
 SPI0 interrupt handler.
static void uart0_irq_tx (void)
 Serial 0 TX interrupt handler.
static void uart0_irq_rx (void)
 Serial 0 RX complete interrupt handler.
static void uart1_irq_tx (void)
 Serial 1 TX interrupt handler.
static void uart1_irq_rx (void)
 Serial 1 RX complete interrupt handler.

Variables

struct Serial * ser_handles [SER_CNT]
 Default TXINIT macro - invoked in spi_init() The default is no action.

Detailed Description

ARM UART and SPI I/O driver.

Version:
Id
ser_at91.c 2883 2009-09-04 19:46:02Z batt
Author:
Daniele Basile <asterix@develer.com>

Definition in file ser_at91.c.

Define Documentation

#define SER_UART0_BUS_TXCHAR ( c   ) 

Value:

do { \
        US0_THR = (c); \
    } while (0)
Invoked before starting a transmission.

Invoked to send one character.

Definition at line 107 of file ser_at91.c.

#define SER_UART0_BUS_TXINIT

Value:

do { \
        PIOA_PDR = BV(RXD0) | BV(TXD0); \
    } while (0)
Default TXINIT macro - invoked in uart0_init().

  • Disable GPIO on USART0 tx/rx pins

Definition at line 90 of file ser_at91.c.

#define SER_UART1_BUS_TXCHAR ( c   ) 

Value:

do { \
        US1_THR = (c); \
    } while (0)
Invoked before starting a transmission.

Invoked to send one character.

Definition at line 147 of file ser_at91.c.

#define SER_UART1_BUS_TXINIT

Value:

do { \
        PIOA_PDR = BV(RXD1) | BV(TXD1); \
    } while (0)
Invoked as soon as the txfifo becomes empty.

Default TXINIT macro - invoked in uart1_init() - Disable GPIO on USART1 tx/rx pins

Definition at line 130 of file ser_at91.c.

Variable Documentation

struct Serial* ser_handles[SER_CNT]

Default TXINIT macro - invoked in spi_init() The default is no action.

Invoked after the last character has been transmitted. The default is no action.

Definition at line 85 of file ser.c.