w5100.c File Reference

W5100 ethernet chip I/O. More...

#include "mcu_periph/sys_time.h"
#include "modules/datalink/w5100.h"
#include "mcu_periph/spi.h"
#include "mcu_periph/gpio.h"

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Go to the source code of this file.

Macros
#define	TXBUF_BASE   0x4000
#define	RXBUF_BASE   0x6000
#define	SOCKETS   4
#define	CMD_SOCKET   1
#define	TELEM_SOCKET   0
#define	SOCK_OPEN   0x01
#define	SOCK_CLOSE   0x10
#define	SOCK_SEND   0x20
#define	SOCK_RECV   0x40
#define	SNMR_UDP   0x02
#define	SNMR_MULTI   0x80
#define	SNIR_SEND_OK   0x10
#define	SNIR_TIMEOUT   0x08
#define	CH_BASE   0x0400
#define	CH_SIZE   0x0100
#define	SMASK   0x07FF
#define	RMASK   0x07FF
#define	REG_MR   0x0000
#define	REG_RX_MEM   0x001A
#define	REG_TX_MEM   0x001B
#define	REG_GAR   0x0001
#define	REG_SUBR   0x0005
#define	REG_SHAR   0x0009
#define	REG_SIPR   0x000F
#define	SOCK_MR   0x0000
#define	SOCK_CR   0x0001
#define	SOCK_IR   0x0002
#define	SOCK_PORT   0x0004
#define	SOCK_DHAR   0x0006
#define	SOCK_DIPR   0x000C
#define	SOCK_DPORT   0x0010
#define	SOCK_TX_WR   0x0024
#define	SOCK_RSR   0x0026
#define	SOCK_RXRD   0x0028
#define	W5100_SPI_DEV   spi1
#define	W5100_SLAVE_IDX   SPI_SLAVE1
#define	W5100_DRDY_GPIO   GPIOB
#define	W5100_DRDY_GPIO_PIN   GPIO1

Functions
static void	w5100_close_socket (uint8_t _s)
static void	configure_socket (uint8_t _s, uint8_t _flag, uint16_t _lport, uint16_t _dport, uint8_t *_dest)
static void	w5100_read_data (uint8_t s, volatile uint8_t *src, volatile uint8_t *dst, uint16_t len)
static uint16_t	w5100_read (uint16_t _addr, uint8_t *_buf, uint16_t _len)
static void	w5100_set (uint16_t _reg, uint8_t _val)
static uint8_t	w5100_get (uint16_t _reg)
static void	w5100_set_buffer (uint16_t _reg, volatile uint8_t *_buf, uint16_t _len)
static void	w5100_sock_set (uint8_t _sock, uint16_t _reg, uint8_t _val)
static uint8_t	w5100_sock_get (uint8_t _sock, uint16_t _reg)
static uint16_t	w5100_sock_get16 (uint8_t _sock, uint16_t _reg)
static int	true_function (struct w5100_periph *p, long *fd, uint16_t len)
static void	dev_transmit (struct w5100_periph *p, long fd, uint8_t byte)
static void	dev_transmit_buffer (struct w5100_periph *p, long fd, uint8_t *data, uint16_t len)
static void	dev_send (struct w5100_periph *p, long fd)
static int	dev_char_available (struct w5100_periph *p)
static uint8_t	dev_getch (struct w5100_periph *p)
void	w5100_init (void)
void	w5100_transmit (uint8_t data)
void	w5100_transmit_buffer (uint8_t *data, uint16_t len)
void	w5100_send ()
uint16_t	w5100_rx_size (uint8_t _s)
bool	w5100_ch_available ()
uint16_t	w5100_receive (uint8_t *buf, uint16_t len)

Variables
struct w5100_periph	chip0
uint8_t	ck_a
uint8_t	ck_b
uint8_t	w5100_rx_buf [W5100_RX_BUFFER_SIZE]
static uint8_t	mac [] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }
static uint8_t	ip [] = { W5100_IP }
static uint8_t	dest [] = { W5100_MULTICAST_IP }
static uint8_t	subnet [] = { W5100_SUBNET }
static uint16_t	dport = W5100_MULTICAST_PORT
static const uint8_t	RST = 7
uint16_t	SBASE [SOCKETS]
uint16_t	RBASE [SOCKETS]
static const uint16_t	SSIZE = 2048
static const uint16_t	RSIZE = 2048
struct spi_transaction	w5100_spi

Detailed Description

W5100 ethernet chip I/O.

Definition in file w5100.c.

Macro Definition Documentation

CH_BASE

#define CH_BASE   0x0400

Definition at line 48 of file w5100.c.

CH_SIZE

#define CH_SIZE   0x0100

Definition at line 49 of file w5100.c.

CMD_SOCKET

#define CMD_SOCKET   1

Definition at line 37 of file w5100.c.

REG_GAR

#define REG_GAR   0x0001

Definition at line 57 of file w5100.c.

REG_MR

#define REG_MR   0x0000

Definition at line 53 of file w5100.c.

REG_RX_MEM

#define REG_RX_MEM   0x001A

Definition at line 54 of file w5100.c.

REG_SHAR

#define REG_SHAR   0x0009

Definition at line 59 of file w5100.c.

REG_SIPR

#define REG_SIPR   0x000F

Definition at line 60 of file w5100.c.

REG_SUBR

#define REG_SUBR   0x0005

Definition at line 58 of file w5100.c.

REG_TX_MEM

#define REG_TX_MEM   0x001B

Definition at line 55 of file w5100.c.

RMASK

#define RMASK   0x07FF

Definition at line 51 of file w5100.c.

RXBUF_BASE

#define RXBUF_BASE   0x6000

Definition at line 34 of file w5100.c.

SMASK

#define SMASK   0x07FF

Definition at line 50 of file w5100.c.

SNIR_SEND_OK

#define SNIR_SEND_OK   0x10

Definition at line 46 of file w5100.c.

SNIR_TIMEOUT

#define SNIR_TIMEOUT   0x08

Definition at line 47 of file w5100.c.

SNMR_MULTI

#define SNMR_MULTI   0x80

Definition at line 45 of file w5100.c.

SNMR_UDP

#define SNMR_UDP   0x02

Definition at line 44 of file w5100.c.

SOCK_CLOSE

#define SOCK_CLOSE   0x10

Definition at line 41 of file w5100.c.

SOCK_CR

#define SOCK_CR   0x0001

Definition at line 63 of file w5100.c.

SOCK_DHAR

#define SOCK_DHAR   0x0006

Definition at line 66 of file w5100.c.

SOCK_DIPR

#define SOCK_DIPR   0x000C

Definition at line 67 of file w5100.c.

SOCK_DPORT

#define SOCK_DPORT   0x0010

Definition at line 68 of file w5100.c.

SOCK_IR

#define SOCK_IR   0x0002

Definition at line 64 of file w5100.c.

SOCK_MR

#define SOCK_MR   0x0000

Definition at line 62 of file w5100.c.

SOCK_OPEN

#define SOCK_OPEN   0x01

Definition at line 40 of file w5100.c.

SOCK_PORT

#define SOCK_PORT   0x0004

Definition at line 65 of file w5100.c.

SOCK_RECV

#define SOCK_RECV   0x40

Definition at line 43 of file w5100.c.

SOCK_RSR

#define SOCK_RSR   0x0026

Definition at line 70 of file w5100.c.

SOCK_RXRD

#define SOCK_RXRD   0x0028

Definition at line 71 of file w5100.c.

SOCK_SEND

#define SOCK_SEND   0x20

Definition at line 42 of file w5100.c.

SOCK_TX_WR

#define SOCK_TX_WR   0x0024

Definition at line 69 of file w5100.c.

SOCKETS

#define SOCKETS   4

Definition at line 35 of file w5100.c.

TELEM_SOCKET

#define TELEM_SOCKET   0

Definition at line 38 of file w5100.c.

TXBUF_BASE

#define TXBUF_BASE   0x4000

Definition at line 33 of file w5100.c.

W5100_DRDY_GPIO

#define W5100_DRDY_GPIO   GPIOB

Definition at line 82 of file w5100.c.

W5100_DRDY_GPIO_PIN

#define W5100_DRDY_GPIO_PIN   GPIO1

Definition at line 86 of file w5100.c.

W5100_SLAVE_IDX

#define W5100_SLAVE_IDX   SPI_SLAVE1

Definition at line 78 of file w5100.c.

W5100_SPI_DEV

#define W5100_SPI_DEV   spi1

Definition at line 74 of file w5100.c.

Function Documentation

configure_socket()

static void configure_socket ( uint8_t  _s, uint8_t  _flag, uint16_t  _lport, uint16_t  _dport, uint8_t *  _dest  )

static

Definition at line 352 of file w5100.c.

References CH_BASE, CH_SIZE, SNMR_UDP, SOCK_CR, SOCK_DHAR, SOCK_DIPR, SOCK_DPORT, SOCK_MR, SOCK_OPEN, SOCK_PORT, w5100_close_socket(), w5100_set_buffer(), and w5100_sock_set().

Referenced by w5100_init().

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dev_char_available()

static int dev_char_available ( struct w5100_periph *  p )

static

Definition at line 177 of file w5100.c.

References w5100_ch_available().

Referenced by w5100_init().

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dev_getch()

static uint8_t dev_getch ( struct w5100_periph *  p )

static

Definition at line 178 of file w5100.c.

References w5100_receive().

Referenced by w5100_init().

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dev_send()

static void dev_send ( struct w5100_periph *  p, long  fd  )

static

Definition at line 176 of file w5100.c.

References w5100_send().

Referenced by w5100_init().

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dev_transmit()

static void dev_transmit ( struct w5100_periph *  p, long  fd, uint8_t  byte  )

static

Definition at line 174 of file w5100.c.

References w5100_transmit().

Referenced by w5100_init().

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dev_transmit_buffer()

static void dev_transmit_buffer ( struct w5100_periph *  p, long  fd, uint8_t *  data, uint16_t  len  )

static

Definition at line 175 of file w5100.c.

References w5100_transmit_buffer().

Referenced by w5100_init().

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true_function()

static int true_function ( struct w5100_periph *  p, long *  fd, uint16_t  len  )

static

Definition at line 173 of file w5100.c.

Referenced by w5100_init().

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w5100_ch_available()

bool w5100_ch_available

(

void

)

Definition at line 378 of file w5100.c.

References CMD_SOCKET, and w5100_rx_size().

Referenced by dev_char_available(), and w5100_read_buffer().

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w5100_close_socket()

static void w5100_close_socket ( uint8_t  _s )

static

Definition at line 344 of file w5100.c.

References SOCK_CLOSE, SOCK_CR, SOCK_IR, and w5100_sock_set().

Referenced by configure_socket().

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w5100_get()

static uint8_t w5100_get ( uint16_t  _reg )

inlinestatic

Definition at line 130 of file w5100.c.

References spi_transaction::input_buf, spi_transaction::output_buf, spi_submit(), SPITransSuccess, spi_transaction::status, w5100_spi, and W5100_SPI_DEV.

Referenced by w5100_read(), and w5100_sock_get().

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w5100_init()

void w5100_init

(

void

)

Definition at line 185 of file w5100.c.

References spi_transaction::bitorder, spi_transaction::cdiv, chip0, CMD_SOCKET, configure_socket(), spi_transaction::cpha, spi_transaction::cpol, w5100_periph::curbuf, dest, dev_char_available(), dev_getch(), dev_send(), dev_transmit(), dev_transmit_buffer(), w5100_periph::device, dport, spi_transaction::dss, gpio_clear(), gpio_set(), gpio_setup_output(), spi_transaction::input_buf, spi_transaction::input_length, ip, mac, spi_transaction::output_buf, spi_transaction::output_length, RBASE, REG_GAR, REG_MR, REG_RX_MEM, REG_SHAR, REG_SIPR, REG_SUBR, REG_TX_MEM, RSIZE, RST, RXBUF_BASE, SBASE, spi_transaction::select, spi_transaction::slave_idx, SNMR_MULTI, SOCKETS, SPICphaEdge1, SPICpolIdleLow, SPIDiv64, SPIDss8bit, SPIMSBFirst, SPISelectUnselect, SSIZE, w5100_periph::status, subnet, sys_time_usleep(), TELEM_SOCKET, true_function(), TXBUF_BASE, W5100_DRDY_GPIO, W5100_DRDY_GPIO_PIN, w5100_set(), w5100_set_buffer(), W5100_SLAVE_IDX, w5100_spi, W5100StatusUninit, w5100_periph::work_rx, and w5100_periph::work_tx.

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w5100_read()

static uint16_t w5100_read ( uint16_t  _addr, uint8_t *  _buf, uint16_t  _len  )

static

Definition at line 432 of file w5100.c.

References w5100_get().

Referenced by w5100_read_data().

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w5100_read_data()

static void w5100_read_data ( uint8_t  s, volatile uint8_t *  src, volatile uint8_t *  dst, uint16_t  len  )

static

Definition at line 412 of file w5100.c.

References CMD_SOCKET, RBASE, RMASK, RSIZE, and w5100_read().

Referenced by w5100_receive().

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w5100_receive()

uint16_t w5100_receive	(	uint8_t *	buf,
		uint16_t	len
	)

Definition at line 386 of file w5100.c.

References CMD_SOCKET, SOCK_CR, SOCK_RECV, SOCK_RXRD, w5100_read_data(), w5100_sock_get16(), and w5100_sock_set().

Referenced by dev_getch(), and w5100_read_buffer().

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w5100_rx_size()

uint16_t w5100_rx_size

(

uint8_t

_s

)

Definition at line 331 of file w5100.c.

References SOCK_RSR, val, and w5100_sock_get16().

Referenced by w5100_ch_available().

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w5100_send()

void w5100_send

(

void

)

Definition at line 289 of file w5100.c.

References chip0, w5100_periph::curbuf, offset, SBASE, SMASK, SOCK_CR, SOCK_SEND, SOCK_TX_WR, SSIZE, TELEM_SOCKET, w5100_periph::tx_buf, w5100_periph::tx_extract_idx, w5100_periph::tx_insert_idx, W5100_BUFFER_NUM, w5100_set_buffer(), w5100_sock_get(), w5100_sock_get16(), and w5100_sock_set().

Referenced by dev_send().

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w5100_set()

static void w5100_set ( uint16_t  _reg, uint8_t  _val  )

inlinestatic

Definition at line 117 of file w5100.c.

References spi_transaction::output_buf, spi_submit(), SPITransSuccess, spi_transaction::status, w5100_spi, and W5100_SPI_DEV.

Referenced by w5100_init(), w5100_set_buffer(), and w5100_sock_set().

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w5100_set_buffer()

static void w5100_set_buffer ( uint16_t  _reg, volatile uint8_t *  _buf, uint16_t  _len  )

inlinestatic

Definition at line 144 of file w5100.c.

References w5100_set().

Referenced by configure_socket(), w5100_init(), and w5100_send().

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w5100_sock_get()

static uint8_t w5100_sock_get ( uint8_t  _sock, uint16_t  _reg  )

inlinestatic

Definition at line 157 of file w5100.c.

References CH_BASE, CH_SIZE, and w5100_get().

Referenced by w5100_send(), and w5100_sock_get16().

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w5100_sock_get16()

static uint16_t w5100_sock_get16 ( uint8_t  _sock, uint16_t  _reg  )

inlinestatic

Definition at line 162 of file w5100.c.

References w5100_sock_get().

Referenced by w5100_receive(), w5100_rx_size(), and w5100_send().

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w5100_sock_set()

static void w5100_sock_set ( uint8_t  _sock, uint16_t  _reg, uint8_t  _val  )

inlinestatic

Definition at line 152 of file w5100.c.

References CH_BASE, CH_SIZE, and w5100_set().

Referenced by configure_socket(), w5100_close_socket(), w5100_receive(), and w5100_send().

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w5100_transmit()

void w5100_transmit

(

uint8_t

data

)

Definition at line 266 of file w5100.c.

References chip0, w5100_periph::curbuf, w5100_periph::tx_buf, w5100_periph::tx_extract_idx, w5100_periph::tx_insert_idx, and W5100_TX_BUFFER_SIZE.

Referenced by dev_transmit(), and w5100_transmit_buffer().

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w5100_transmit_buffer()

void w5100_transmit_buffer	(	uint8_t *	data,
		uint16_t	len
	)

Definition at line 281 of file w5100.c.

References w5100_transmit().

Referenced by dev_transmit_buffer().

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Variable Documentation

chip0

struct w5100_periph chip0

Definition at line 1 of file w5100.c.

Referenced by w5100_init(), w5100_send(), and w5100_transmit().

ck_a

uint8_t ck_a

Definition at line 91 of file w5100.c.

Referenced by if().

ck_b

uint8_t ck_b

Definition at line 91 of file w5100.c.

Referenced by if().

dest

uint8_t dest[] = { W5100_MULTICAST_IP }

static

Definition at line 99 of file w5100.c.

Referenced by image_convolution_3x3(), image_to_grayscale(), image_yuv422_colorfilt(), image_yuv422_downsample(), undistort_image_func(), and w5100_init().

dport

uint16_t dport = W5100_MULTICAST_PORT

static

Definition at line 101 of file w5100.c.

Referenced by w5100_init().

ip

uint8_t ip[] = { W5100_IP }

static

Definition at line 98 of file w5100.c.

Referenced by w5100_init().

mac

uint8_t mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }

static

Definition at line 95 of file w5100.c.

Referenced by w5100_init().

RBASE

uint16_t RBASE[SOCKETS]

Definition at line 106 of file w5100.c.

Referenced by w5100_init(), and w5100_read_data().

RSIZE

const uint16_t RSIZE = 2048

static

Definition at line 108 of file w5100.c.

Referenced by w5100_init(), and w5100_read_data().

RST

const uint8_t RST = 7

static

Definition at line 103 of file w5100.c.

Referenced by w5100_init().

SBASE

uint16_t SBASE[SOCKETS]

Definition at line 105 of file w5100.c.

Referenced by w5100_init(), and w5100_send().

SSIZE

const uint16_t SSIZE = 2048

static

Definition at line 107 of file w5100.c.

Referenced by w5100_init(), and w5100_send().

subnet

uint8_t subnet[] = { W5100_SUBNET }

static

Definition at line 100 of file w5100.c.

Referenced by w5100_init().

w5100_rx_buf

uint8_t w5100_rx_buf[W5100_RX_BUFFER_SIZE]

Definition at line 92 of file w5100.c.

Referenced by w5100_read_buffer().

w5100_spi

struct spi_transaction w5100_spi

Definition at line 108 of file w5100.c.

Referenced by w5100_get(), w5100_init(), and w5100_set().