macb.c File Reference

#include <stdio.h>
#include <string.h>
#include <avr32/io.h>
#include "compiler.h"
#include "gpio.h"
#include "FreeRTOS.h"
#include "task.h"
#include "semphr.h"
#include "macb.h"
#include "conf_eth.h"
#include "intc.h"
#include "ethernet_phy.h"

Macros
#define	ADDRESS_MASK   ( ( unsigned long ) 0xFFFFFFFC )
#define	BUFFER_WAIT_DELAY   ( 2 )
#define	RX_BUFFER_SIZE   128
#define	RX_WRAP_BIT   ( ( unsigned long ) 0x02 )

Functions
unsigned long	lMACBSend (volatile avr32_macb_t *macb, const void *pvFrom, unsigned long ulLength, long lEndOfFrame)
	Send ulLength bytes from pcFrom. More...
static long	prvMACB_ISR_NonNakedBehaviour (void)
static bool	prvProbePHY (volatile avr32_macb_t *macb)
static void	prvSetupDescriptors (volatile avr32_macb_t *macb)
static void	prvSetupMACAddress (volatile avr32_macb_t *macb)
static void	prvSetupMACBInterrupt (volatile avr32_macb_t *macb)
unsigned long	ulMACBInputLength (void)
	Function to get length of the next frame in the receive buffers. More...
unsigned long	ulReadMDIO (volatile avr32_macb_t *macb, unsigned short usAddress)
void	vClearMACBTxBuffer (void)
	Called by the Tx interrupt, this function traverses the buffers used to hold the frame that has just completed transmission and marks each as free again. More...
void	vDisableMACBOperations (volatile avr32_macb_t *macb)
	Disable MACB operations (Tx and Rx). More...
void	vMACB_ISR (void)
void	vMACBRead (void *pvTo, unsigned long ulSectionLength, unsigned long ulTotalFrameLength)
	Frames can be read from the MACB in multiple sections. More...
void	vMACBSetMACAddress (const unsigned char *MACAddress)
	Set the MACB Physical address (SA1B & SA1T registers). More...
bool	vMACBWaitForInput (unsigned long ulTimeOut)
	Wait for new Ethernet data. More...
static void	vResetMacbRxFrames (void)
	Restore ownership of all Rx buffers to the MACB. More...
void	vWriteMDIO (volatile avr32_macb_t *macb, unsigned short usAddress, unsigned short usValue)
bool	xMACBInit (volatile avr32_macb_t *macb)
	initialize the MACB driver. More...

Variables
unsigned char	cMACAddress [6] = { ETHERNET_CONF_ETHADDR0,ETHERNET_CONF_ETHADDR1,ETHERNET_CONF_ETHADDR2,ETHERNET_CONF_ETHADDR3,ETHERNET_CONF_ETHADDR4,ETHERNET_CONF_ETHADDR5 }
static volatile char	pcRxBuffer [ETHERNET_CONF_NB_RX_BUFFERS *RX_BUFFER_SIZE]
static volatile char	pcTxBuffer [ETHERNET_CONF_NB_TX_BUFFERS *ETHERNET_CONF_TX_BUFFER_SIZE]
volatile unsigned long	ulNextRxBuffer = 0
static volatile AVR32_RxTdDescriptor	xRxDescriptors [ETHERNET_CONF_NB_RX_BUFFERS]
static xSemaphoreHandle	xSemaphore = NULL
static volatile AVR32_TxTdDescriptor	xTxDescriptors [ETHERNET_CONF_NB_TX_BUFFERS]

#define ADDRESS_MASK   ( ( unsigned long ) 0xFFFFFFFC )

Referenced by vMACBRead().

#define BUFFER_WAIT_DELAY   ( 2 )

Referenced by lMACBSend().

#define RX_BUFFER_SIZE   128

Referenced by prvSetupDescriptors(), and vMACBRead().

#define RX_WRAP_BIT   ( ( unsigned long ) 0x02 )

Referenced by prvSetupDescriptors().

static long prvMACB_ISR_NonNakedBehaviour ( void  )

static

References vClearMACBTxBuffer(), and xSemaphoreGiveFromISR.

Referenced by vMACB_ISR().

static bool prvProbePHY ( volatile avr32_macb_t *  macb )

static

References ADVERTISE_100FULL, ADVERTISE_100HALF, ADVERTISE_10FULL, ADVERTISE_10HALF, ADVERTISE_ALL, ADVERTISE_CSMA, AVR32_MACB_SPD_MASK, BMSR_LSTATUS, ethernet_phy_setup_auto_negotiation(), ethernet_phy_setup_rmii(), EXTPHY_PHY_ID, LPA_100FULL, LPA_100HALF, LPA_10FULL, PHY_ADVERTISE, PHY_BMCR, PHY_BMSR, PHY_LPA, PHY_PHYSID1, PHY_PHYSID2, ulReadMDIO(), and vWriteMDIO().

Referenced by xMACBInit().

static void prvSetupDescriptors ( volatile avr32_macb_t *  macb )

static

References _AVR32_RxTdDescriptor::addr, _AVR32_TxTdDescriptor::addr, AVR32_TRANSMIT_OK, AVR32_TRANSMIT_WRAP, ETHERNET_CONF_NB_RX_BUFFERS, ETHERNET_CONF_NB_TX_BUFFERS, ETHERNET_CONF_TX_BUFFER_SIZE, RX_BUFFER_SIZE, RX_WRAP_BIT, _AVR32_TxTdDescriptor::status, and _AVR32_TxTdDescriptor::U_Status.

Referenced by xMACBInit().

static void prvSetupMACAddress ( volatile avr32_macb_t *  macb )

static

Referenced by xMACBInit().

static void prvSetupMACBInterrupt ( volatile avr32_macb_t *  macb )

static

References EXTPHY_MACB_INTERRUPT_PIN, gpio_enable_pin_interrupt(), GPIO_FALLING_EDGE, INTC_register_interrupt(), MICR_INTEN, MICR_INTOE, MISR_LINK_INT_EN, NULL, PHY_MICR, PHY_MISR, vMACB_ISR(), vSemaphoreCreateBinary, vWriteMDIO(), and xSemaphoreTake.

Referenced by xMACBInit().

void vMACB_ISR

(

void

)

References prvMACB_ISR_NonNakedBehaviour().

Referenced by prvSetupMACBInterrupt().

static void vResetMacbRxFrames ( void  )

static

Restore ownership of all Rx buffers to the MACB.

References _AVR32_RxTdDescriptor::addr, AVR32_OWNERSHIP_BIT, and ETHERNET_CONF_NB_RX_BUFFERS.

Referenced by ulMACBInputLength().

unsigned char cMACAddress[6] = { ETHERNET_CONF_ETHADDR0,ETHERNET_CONF_ETHADDR1,ETHERNET_CONF_ETHADDR2,ETHERNET_CONF_ETHADDR3,ETHERNET_CONF_ETHADDR4,ETHERNET_CONF_ETHADDR5 }

Referenced by low_level_init().

volatile char pcRxBuffer[ETHERNET_CONF_NB_RX_BUFFERS *RX_BUFFER_SIZE]

static

volatile char pcTxBuffer[ETHERNET_CONF_NB_TX_BUFFERS *ETHERNET_CONF_TX_BUFFER_SIZE]

static

volatile unsigned long ulNextRxBuffer = 0

Referenced by ulMACBInputLength(), and vMACBRead().

volatile AVR32_RxTdDescriptor xRxDescriptors[ETHERNET_CONF_NB_RX_BUFFERS]

static

xSemaphoreHandle xSemaphore = NULL

static

volatile AVR32_TxTdDescriptor xTxDescriptors[ETHERNET_CONF_NB_TX_BUFFERS]

static