sja1000.c

References Functions:	SJAInit()	nut/arch/avr/dev/sja1000.c
	SJAInput()	nut/arch/avr/dev/sja1000.c
	SJAOutput()	nut/arch/avr/dev/sja1000.c
	SJARxAvail()	nut/arch/avr/dev/sja1000.c
	SJASetAccCode()	nut/arch/avr/dev/sja1000.c
	SJASetAccMask()	nut/arch/avr/dev/sja1000.c
	SJASetBaudrate()	nut/arch/avr/dev/sja1000.c
	SJATxFree()	nut/arch/avr/dev/sja1000.c
References Variables:	dcb_sja1000	nut/arch/avr/dev/sja1000.c
	ifc_sja1000	nut/arch/avr/dev/sja1000.c

Included Files

#include </usr/avr/include/string.h>

#include <nut/include/sys/heap.h>

#include <nut/include/sys/thread.h>

#include <nut/include/sys/event.h>

#include <nut/include/sys/atom.h>

#include <nut/include/sys/timer.h>

#include <nut/include/sys/semaphore.h>

#include <nut/include/sys/nutconfig.h>

#include <nut/include/dev/irqreg.h>

#include <nut/include/dev/can_dev.h>

#include <nut/include/dev/sja1000.h>

#include <nut/include/cfg/arch/avr.h>

Preprocessor definitions

#define SJA_SIGNAL sig_INTERRUPT7

#define SJA_EICR EICRB

#define SJA_SIGNAL_BIT 7

#define SJA_BASE 0x8800

#define CAN_BufSize 64

Type struct _CANBuffer

struct _CANBuffer

`struct _CANBuffer`
`{`
`CANFRAME* dataptr;`
`uint16_t size;`
`uint16_t datalength;`
`uint16_t dataindex;`
`SEM empty;`
`SEM full;`
`}`

Typedef CANBuffer

typedef struct _CANBuffer CANBuffer

See:	Type struct _CANBuffer

Global Variable dcb_sja1000

CANINFO dcb_sja1000

Visible in:		nut/arch/avr/dev/sja1000.c
Used in:		nut/arch/avr/dev/sja1000.c

Global Variable sja_base

volatile uint16_t sja_base

Visible in:		nut/arch/avr/dev/sja1000.c
Used in:	CAN_Tx()	nut/arch/avr/dev/sja1000.c
	SJAInit()	nut/arch/avr/dev/sja1000.c
	SJAInput()	nut/arch/avr/dev/sja1000.c
	SJAInterrupt()	nut/arch/avr/dev/sja1000.c
	SJARxFrame()	nut/arch/avr/dev/sja1000.c
	SJASetAccCode()	nut/arch/avr/dev/sja1000.c
	SJASetAccMask()	nut/arch/avr/dev/sja1000.c
	SJASetBaudrate()	nut/arch/avr/dev/sja1000.c
	SJATxFrame()	nut/arch/avr/dev/sja1000.c

Global Variable CAN_RX_BUF

CANBuffer CAN_RX_BUF

Visible in:		nut/arch/avr/dev/sja1000.c
Used in:	SJAInit()	nut/arch/avr/dev/sja1000.c
	SJAInput()	nut/arch/avr/dev/sja1000.c
	SJAInterrupt()	nut/arch/avr/dev/sja1000.c
	SJARxAvail()	nut/arch/avr/dev/sja1000.c

Global Variable CAN_TX_BUF

CANBuffer CAN_TX_BUF

Visible in:		nut/arch/avr/dev/sja1000.c
Used in:	CAN_Tx()	nut/arch/avr/dev/sja1000.c
	SJAInit()	nut/arch/avr/dev/sja1000.c
	SJAOutput()	nut/arch/avr/dev/sja1000.c
	SJATxFree()	nut/arch/avr/dev/sja1000.c

Global Variable ifc_sja1000

IFCAN ifc_sja1000

Visible in:		nut/arch/avr/dev/sja1000.c
Used in:		nut/arch/avr/dev/sja1000.c

Global Variable devSJA1000

NUTDEVICE devSJA1000

Visible in:

nut/arch/avr/dev/sja1000.c

Global Function CANBufferFree()

uint16_t CANBufferFree ( CANBuffer* buffer )

Called by:

SJATxFree()

nut/arch/avr/dev/sja1000.c

Global Function CANBufferGet()

CANFRAME CANBufferGet ( CANBuffer* buffer )

Called by:

SJAInput()

nut/arch/avr/dev/sja1000.c

Global Function CANBufferGetMutex()

CANFRAME CANBufferGetMutex ( CANBuffer* buffer )

Calls:	NutSemPost(), NutSemWait()
Called by:	CAN_Tx()	nut/arch/avr/dev/sja1000.c

Global Function CANBufferInit()

void CANBufferInit ( CANBuffer* buffer, uint16_t size )

Calls:	NutHeapRootAlloc(), NutSemInit()
Called by:	SJAInit()	nut/arch/avr/dev/sja1000.c

Global Function CANBufferPut()

void CANBufferPut ( CANBuffer* buffer, CANFRAME* data )

Called by:

SJAInterrupt()

nut/arch/avr/dev/sja1000.c

Global Function CANBufferPutMutex()

void CANBufferPutMutex ( CANBuffer* buffer, CANFRAME* data )

Calls:	NutSemPost(), NutSemWait()
Called by:	SJAOutput()	nut/arch/avr/dev/sja1000.c

Global Function CAN_Tx()

void CAN_Tx ( void* arg )

Prototyped in:	nut/arch/avr/dev/sja1000.c
Calls:	CANBufferGetMutex()	nut/arch/avr/dev/sja1000.c
	SJATxFrame()	nut/arch/avr/dev/sja1000.c
	NutEventWait(), NutThreadSetPriority()
Used in:	SJAInit()	nut/arch/avr/dev/sja1000.c
References Variables:	CAN_TX_BUF	nut/arch/avr/dev/sja1000.c
	sja_base	nut/arch/avr/dev/sja1000.c

Global Function SJAInit()

int SJAInit ( NUTDEVICE* dev )

Calls:	CANBufferInit()	nut/arch/avr/dev/sja1000.c
	NutRegisterIrqHandler(), NutThreadCreate(), memset()
Used in:		nut/arch/avr/dev/sja1000.c
References Functions:	CAN_Tx()	nut/arch/avr/dev/sja1000.c
	SJAInterrupt()	nut/arch/avr/dev/sja1000.c
References Variables:	CAN_RX_BUF	nut/arch/avr/dev/sja1000.c
	CAN_TX_BUF	nut/arch/avr/dev/sja1000.c
	sja_base	nut/arch/avr/dev/sja1000.c

Global Function SJAInput()

uint8_t SJAInput ( NUTDEVICE* dev, CANFRAME* frame )

Calls:	CANBufferGet()	nut/arch/avr/dev/sja1000.c
	NutEventWait()
Used in:		nut/arch/avr/dev/sja1000.c
References Variables:	CAN_RX_BUF	nut/arch/avr/dev/sja1000.c
	sja_base	nut/arch/avr/dev/sja1000.c

Global Function SJAOutput()

void SJAOutput ( NUTDEVICE* dev, CANFRAME* frame )

Calls:	CANBufferPutMutex()	nut/arch/avr/dev/sja1000.c
	NutEventPostAsync()
Used in:		nut/arch/avr/dev/sja1000.c
References Variables:	CAN_TX_BUF	nut/arch/avr/dev/sja1000.c

Global Function SJARxAvail()

inline uint8_t SJARxAvail ( NUTDEVICE* dev )

Used in:		nut/arch/avr/dev/sja1000.c
References Variables:	CAN_RX_BUF	nut/arch/avr/dev/sja1000.c

Global Function SJARxFrame()

void SJARxFrame ( CANFRAME* CAN_frame )

Called by:	SJAInterrupt()	nut/arch/avr/dev/sja1000.c
References Variables:	sja_base	nut/arch/avr/dev/sja1000.c

Global Function SJASetAccCode()

Note - if you change SJA1000_MODECTRL, change it in

void SJASetAccCode ( NUTDEVICE* dev, uint8_t* ac )

Calls:	memcpy()
Used in:		nut/arch/avr/dev/sja1000.c
References Variables:	sja_base	nut/arch/avr/dev/sja1000.c

Global Function SJASetAccMask()

Note - if you change SJA1000_MODECTRL, change it in

void SJASetAccMask ( NUTDEVICE* dev, uint8_t* am )

Calls:	memcpy()
Used in:		nut/arch/avr/dev/sja1000.c
References Variables:	sja_base	nut/arch/avr/dev/sja1000.c

Global Function SJASetBaudrate()

uint8_t SJASetBaudrate ( NUTDEVICE* dev, uint32_t baudrate )

Used in:		nut/arch/avr/dev/sja1000.c
References Variables:	sja_base	nut/arch/avr/dev/sja1000.c

Global Function SJATxFrame()

void SJATxFrame ( CANFRAME* CAN_frame )

Called by:	CAN_Tx()	nut/arch/avr/dev/sja1000.c
References Variables:	sja_base	nut/arch/avr/dev/sja1000.c

Global Function SJATxFree()

inline uint8_t SJATxFree ( NUTDEVICE* dev )

Calls:	CANBufferFree()	nut/arch/avr/dev/sja1000.c
Used in:		nut/arch/avr/dev/sja1000.c
References Variables:	CAN_TX_BUF	nut/arch/avr/dev/sja1000.c

Local Function SJAInterrupt()

static void SJAInterrupt ( void* arg )

Calls:	CANBufferPut()	nut/arch/avr/dev/sja1000.c
	SJARxFrame()	nut/arch/avr/dev/sja1000.c
Used in:	SJAInit()	nut/arch/avr/dev/sja1000.c
References Variables:	CAN_RX_BUF	nut/arch/avr/dev/sja1000.c
	sja_base	nut/arch/avr/dev/sja1000.c