ack_cache.c File Reference

#include "ack_cache.h"
#include <string.h>

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Data Structures
struct	entry_t

Functions
void	ackc_reset (void)
static entry_t *	find (uint8_t op, uint8_t seq)
static entry_t *	slot (void)
uint8_t	ackc_begin (uint8_t op, uint8_t seq, uint8_t *result, uint8_t *reason)
	Looks up (op, seq).
void	ackc_finish (uint8_t op, uint8_t seq, uint8_t result, uint8_t reason)
	Completes the entry (or creates it if it was evicted meanwhile).

Variables
static entry_t	s_e [ACK_CACHE_LEN]
static uint32_t	s_clock

Function Documentation

ackc_reset()

void ackc_reset

(

void

)

Definition at line 12 of file ack_cache.c.

References s_clock, and s_e.

Referenced by app_init(), and app_step().

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find()

static entry_t * find ( uint8_t  op, uint8_t  seq  )

static

Definition at line 14 of file ack_cache.c.

References ACK_CACHE_LEN, s_e, seq, and used.

Referenced by ackc_begin(), and ackc_finish().

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slot()

static entry_t * slot ( void  )

static

Definition at line 21 of file ack_cache.c.

References ACK_CACHE_LEN, s_e, and used.

Referenced by ackc_begin(), ackc_finish(), and imu_fifo_parse().

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ackc_begin()

uint8_t ackc_begin	(	uint8_t	op,
		uint8_t	seq,
		uint8_t *	result,
		uint8_t *	reason
	)

Looks up (op, seq).

ACKC_DONE: result/reason filled, re-send them. ACKC_PENDING: ignore. ACKC_NEW: a pending entry was created, execute it.

Definition at line 31 of file ack_cache.c.

References ACKC_DONE, ACKC_NEW, ACKC_PENDING, entry_t::age, find(), entry_t::op, entry_t::reason, result(), entry_t::result, s_clock, seq, entry_t::seq, slot(), entry_t::state, and entry_t::used.

Referenced by commands(), and usb_commands().

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ackc_finish()

void ackc_finish	(	uint8_t	op,
		uint8_t	seq,
		uint8_t	result,
		uint8_t	reason
	)

Completes the entry (or creates it if it was evicted meanwhile).

Definition at line 44 of file ack_cache.c.

References ACKC_DONE, entry_t::age, find(), entry_t::op, entry_t::reason, result(), entry_t::result, s_clock, seq, entry_t::seq, slot(), entry_t::state, and entry_t::used.

Referenced by ack_link().

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Variable Documentation

s_e

entry_t s_e[ACK_CACHE_LEN]

static

Definition at line 9 of file ack_cache.c.

Referenced by ackc_reset(), find(), and slot().

s_clock

uint32_t s_clock

static

Definition at line 10 of file ack_cache.c.

Referenced by ackc_begin(), ackc_finish(), and ackc_reset().