pipe.c File Reference

arch independent PIPE API More...

#include "mcu_periph/pipe.h"
#include <string.h>

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Functions
void	pipe_periph_init (struct pipe_periph *p, char *read_name, char *write_name)
	Initialize the PIPE peripheral. More...
bool WEAK	pipe_check_free_space (struct pipe_periph *p, long *fd, uint16_t len)
	Check if there is enough free space in the transmit buffer. More...
void WEAK	pipe_put_byte (struct pipe_periph *p, long fd, uint8_t data)
	Add one data byte to the tx buffer. More...
void WEAK	pipe_put_buffer (struct pipe_periph *p, long fd, const uint8_t *data, uint16_t len)

Detailed Description

arch independent PIPE API

Definition in file pipe.c.

Function Documentation

bool WEAK pipe_check_free_space	(	struct pipe_periph *	p,
		long *	fd,
		uint16_t	len
	)

Check if there is enough free space in the transmit buffer.

Parameters

p	pointer to PIPE peripheral
len	how many bytes of free space to check for

Returns

TRUE if enough space for len bytes

Definition at line 94 of file pipe.c.

References PIPE_TX_BUFFER_SIZE, and pipe_periph::tx_insert_idx.

Referenced by pipe_periph_init().

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void pipe_periph_init	(	struct pipe_periph *	p,
		char *	read_name,
		char *	write_name
	)

Initialize the PIPE peripheral.

Definition at line 72 of file pipe.c.

References pipe_periph::device, pipe_arch_periph_init(), pipe_char_available(), pipe_check_free_space(), pipe_getch(), pipe_put_buffer(), pipe_put_byte(), pipe_send_message(), pipe_periph::rx_extract_idx, pipe_periph::rx_insert_idx, and pipe_periph::tx_insert_idx.

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void WEAK pipe_put_buffer	(	struct pipe_periph *	p,
		long	fd,
		const uint8_t *	data,
		uint16_t	len
	)

Definition at line 114 of file pipe.c.

References PIPE_TX_BUFFER_SIZE, pipe_periph::tx_buf, and pipe_periph::tx_insert_idx.

Referenced by pipe_periph_init().

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void WEAK pipe_put_byte	(	struct pipe_periph *	p,
		long	fd,
		uint8_t	data
	)

Add one data byte to the tx buffer.

Parameters

p	pointer to PIPE peripheral
data	byte to add to tx buffer

Definition at line 104 of file pipe.c.

References PIPE_TX_BUFFER_SIZE, pipe_periph::tx_buf, and pipe_periph::tx_insert_idx.

Referenced by pipe_periph_init().

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