w5100.h File Reference

W5100 ethernet chip I/O. More...

#include "pprzlink/pprzlink_device.h"
#include "pprzlink/pprz_transport.h"
#include "modules/datalink/datalink.h"
#include "generated/airframe.h"

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Data Structures
struct	w5100_periph

Macros
#define	W5100_RX_BUFFER_SIZE   80
#define	W5100_TX_BUFFER_SIZE   80
#define	W5100_BUFFER_NUM   2
#define	W5100_UPDATE_DL   TRUE

Enumerations
enum	W5100Status { W5100StatusUninit , W5100StatusIdle , W5100StatusReading }

Functions
void	w5100_init (void)
void	w5100_transmit (uint8_t data)
void	w5100_transmit_buffer (uint8_t *data, uint16_t len)
uint16_t	w5100_receive (uint8_t *buf, uint16_t len)
void	w5100_send (void)
uint16_t	w5100_rx_size (uint8_t _s)
bool	w5100_ch_available (void)
static void	w5100_read_buffer (struct pprz_transport *t)
static void	w5100_check_and_parse (struct link_device *dev, struct pprz_transport *trans)
static	w5100_event (void)

Variables
uint8_t	w5100_rx_buf [W5100_RX_BUFFER_SIZE]
struct w5100_periph	chip0

Detailed Description

W5100 ethernet chip I/O.

Definition in file w5100.h.

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Data Structure Documentation

w5100_periph

struct w5100_periph

Definition at line 50 of file w5100.h.

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Data Fields
int	curbuf
struct link_device	device	Generic device interface.
volatile uint8_t	rx_buf[W5100_BUFFER_NUM][W5100_RX_BUFFER_SIZE]
volatile uint16_t	rx_extract_idx[W5100_BUFFER_NUM]
volatile uint16_t	rx_insert_idx[W5100_BUFFER_NUM]
enum W5100Status	status
volatile uint8_t	tx_buf[W5100_BUFFER_NUM][W5100_TX_BUFFER_SIZE]
volatile uint16_t	tx_extract_idx[W5100_BUFFER_NUM]
volatile uint16_t	tx_insert_idx[W5100_BUFFER_NUM]
volatile uint8_t	tx_running
volatile uint8_t	work_rx[4]
volatile uint8_t	work_tx[4]

Macro Definition Documentation

W5100_BUFFER_NUM

#define W5100_BUFFER_NUM   2

Definition at line 38 of file w5100.h.

W5100_RX_BUFFER_SIZE

#define W5100_RX_BUFFER_SIZE   80

Definition at line 36 of file w5100.h.

W5100_TX_BUFFER_SIZE

#define W5100_TX_BUFFER_SIZE   80

Definition at line 37 of file w5100.h.

W5100_UPDATE_DL

#define W5100_UPDATE_DL   TRUE

Definition at line 41 of file w5100.h.

Enumeration Type Documentation

W5100Status

enum W5100Status

Enumerator
W5100StatusUninit
W5100StatusIdle
W5100StatusReading

Definition at line 44 of file w5100.h.

Function Documentation

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_check_and_parse()

static void w5100_check_and_parse ( struct link_device *  dev, struct pprz_transport *  trans  )

inlinestatic

Definition at line 97 of file w5100.h.

References DatalinkFillDlBuffer, dev, and w5100_read_buffer().

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w5100_event()

static w5100_event ( void  )

inlinestatic

Definition at line 108 of file w5100.h.

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_buffer()

static void w5100_read_buffer ( struct pprz_transport *  t )

inlinestatic

Definition at line 86 of file w5100.h.

References UNINIT, w5100_ch_available(), w5100_receive(), w5100_rx_buf, and W5100_RX_BUFFER_SIZE.

Referenced by w5100_check_and_parse().

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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_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

extern

Definition at line 1 of file w5100.c.

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

w5100_rx_buf

uint8_t w5100_rx_buf[W5100_RX_BUFFER_SIZE]

extern

Definition at line 92 of file w5100.c.

Referenced by w5100_read_buffer().