macb_example.c File Reference

#include <stdio.h>
#include <string.h>
#include <avr32/io.h>
#include "print_funcs.h"
#include "usart.h"
#include "board.h"
#include "macb.h"
#include "gpio.h"
#include "conf_eth.h"
#include "flashc.h"
#include "intc.h"
#include "power_clocks_lib.h"

Macros
#define	MACB_EXAMPLE_CPU_HZ   60000000
#define	MACB_EXAMPLE_PBA_HZ   30000000
#define	SEQ_NUM_START   0x2546

Functions
static unsigned short	in_cksum (unsigned short *addr, int len)
	Checksum routine for Internet Protocol family headers. More...
static void	macb_example_receive_packet (macb_packet_t *pkt)
	callback to manage packets reception More...
static void	macb_example_send_ARP_request (void)
	Send an ARP request to host. More...
static void	macb_example_send_ping_response (macb_packet_t *pkt)
	function to send PING response to pkt->data->host More...
int	main (void)
	main function : do init and loop (poll if configured so) More...

Variables
const unsigned char	ARP_FRAME [42]
unsigned char	data [ETHERNET_CONF_TX_BUFFER_SIZE]
unsigned char	hwaddr [6] = { ETHERNET_CONF_ETHADDR0,ETHERNET_CONF_ETHADDR1,ETHERNET_CONF_ETHADDR2,ETHERNET_CONF_ETHADDR3,ETHERNET_CONF_ETHADDR4,ETHERNET_CONF_ETHADDR5 }
const unsigned char	local_ipaddr [4] = {ETHERNET_CONF_IPADDR0,ETHERNET_CONF_IPADDR1,ETHERNET_CONF_IPADDR2,ETHERNET_CONF_IPADDR3}
unsigned short	seqnum = SEQ_NUM_START

#define MACB_EXAMPLE_CPU_HZ   60000000

Referenced by main().

#define MACB_EXAMPLE_PBA_HZ   30000000

Referenced by main().

#define SEQ_NUM_START   0x2546

initial sequence number for ICMP request and reply

Referenced by macb_example_send_ping_response().

static unsigned short in_cksum ( unsigned short *  addr, int  len  )

static

Checksum routine for Internet Protocol family headers.

Parameters

addr	address of data to compute checksum
len	length of data to compute checksum

Returns

unsigned short checksum computed

Referenced by macb_example_send_ping_response().

static void macb_example_receive_packet ( macb_packet_t *  pkt )

static

callback to manage packets reception

Parameters

pkt	packet to manage

References macb_packet_t::data, hwaddr, macb_packet_t::len, lMACBSend(), local_ipaddr, macb_example_send_ping_response(), and print_dbg().

Referenced by main().

static void macb_example_send_ARP_request ( void  )

static

Send an ARP request to host.

References ARP_FRAME, data, macb_packet_t::data, macb_packet_t::len, lMACBSend(), and print_dbg().

Referenced by main().

static void macb_example_send_ping_response ( macb_packet_t *  pkt )

static

function to send PING response to pkt->data->host

Parameters

pkt	packet to manage

References macb_packet_t::data, hwaddr, in_cksum(), macb_packet_t::len, lMACBSend(), LSB, MSB, SEQ_NUM_START, and seqnum.

Referenced by macb_example_receive_packet().

int main

(

void

)

main function : do init and loop (poll if configured so)

References data, macb_packet_t::data, EXTPHY_MACB_MDC_FUNCTION, EXTPHY_MACB_MDC_PIN, EXTPHY_MACB_MDIO_FUNCTION, EXTPHY_MACB_MDIO_PIN, EXTPHY_MACB_RX_DV_FUNCTION, EXTPHY_MACB_RX_DV_PIN, EXTPHY_MACB_RX_ER_FUNCTION, EXTPHY_MACB_RX_ER_PIN, EXTPHY_MACB_RXD_0_FUNCTION, EXTPHY_MACB_RXD_0_PIN, EXTPHY_MACB_RXD_1_FUNCTION, EXTPHY_MACB_RXD_1_PIN, EXTPHY_MACB_TX_CLK_FUNCTION, EXTPHY_MACB_TX_CLK_PIN, EXTPHY_MACB_TX_EN_FUNCTION, EXTPHY_MACB_TX_EN_PIN, EXTPHY_MACB_TXD_0_FUNCTION, EXTPHY_MACB_TXD_0_PIN, EXTPHY_MACB_TXD_1_FUNCTION, EXTPHY_MACB_TXD_1_PIN, FOSC0, gpio_clr_gpio_pin(), gpio_enable_module(), init_dbg_rs232(), INTC_init_interrupts(), LED0_GPIO, LED1_GPIO, macb_packet_t::len, MACB_EXAMPLE_CPU_HZ, MACB_EXAMPLE_PBA_HZ, macb_example_receive_packet(), macb_example_send_ARP_request(), OSC0_STARTUP, PASS, pcl_configure_clocks(), pcl_freq_param_t, print_dbg(), ulMACBInputLength(), vMACBRead(), vMACBWaitForInput(), and xMACBInit().

const unsigned char ARP_FRAME[42]

Initial value:

= {
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
ETHERNET_CONF_ETHADDR0,ETHERNET_CONF_ETHADDR1,ETHERNET_CONF_ETHADDR2,ETHERNET_CONF_ETHADDR3,ETHERNET_CONF_ETHADDR4,ETHERNET_CONF_ETHADDR5,
0x08,0x06,0x00,0x01,0x08,0x00,0x06,0x04,0x00,0x01,
ETHERNET_CONF_ETHADDR0,ETHERNET_CONF_ETHADDR1,ETHERNET_CONF_ETHADDR2,ETHERNET_CONF_ETHADDR3,ETHERNET_CONF_ETHADDR4,ETHERNET_CONF_ETHADDR5,
ETHERNET_CONF_IPADDR0,ETHERNET_CONF_IPADDR1,ETHERNET_CONF_IPADDR2,ETHERNET_CONF_IPADDR3,
0x00,0x00,0x00,0x00,0x00,0x00,
ETHERNET_CONF_GATEWAY_ADDR0,ETHERNET_CONF_GATEWAY_ADDR1,ETHERNET_CONF_GATEWAY_ADDR2,ETHERNET_CONF_GATEWAY_ADDR3
}

define the ARP global frame

Referenced by macb_example_send_ARP_request().

unsigned char data[ETHERNET_CONF_TX_BUFFER_SIZE]

buffer for sending packets

Referenced by macb_example_send_ARP_request(), and main().

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

Referenced by macb_example_receive_packet(), and macb_example_send_ping_response().

const unsigned char local_ipaddr[4] = {ETHERNET_CONF_IPADDR0,ETHERNET_CONF_IPADDR1,ETHERNET_CONF_IPADDR2,ETHERNET_CONF_IPADDR3}

buffer for sending packets

Referenced by macb_example_receive_packet().

unsigned short seqnum = SEQ_NUM_START

sequence number for ICMP request and reply

Referenced by macb_example_send_ping_response().