Updated mem.c to fix compiler warnings.

Cleaned up timer.c and timer.h, and files depending on it.
This commit is contained in:
waltje
2019-04-25 20:28:44 -05:00
parent 75f2052cdf
commit 00f13aff16
63 changed files with 414 additions and 338 deletions

View File

@@ -8,13 +8,13 @@
*
* System timer module.
*
* Version: @(#)timer.c 1.0.2 2018/09/06
* Version: @(#)timer.c 1.0.3 2019/04/25
*
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Miran Grca, <mgrca8@gmail.com>
* Sarah Walker, <tommowalker@tommowalker.co.uk>
*
* Copyright 2017,2018 Fred N. van Kempen.
* Copyright 2017-2019 Fred N. van Kempen.
* Copyright 2016-2018 Miran Grca.
* Copyright 2008-2018 Sarah Walker.
*
@@ -47,129 +47,128 @@
#define TIMERS_MAX 64
static struct
int64_t TIMER_USEC;
int64_t timer_one = 1;
int64_t timer_start = 0;
int64_t timer_count = 0;
static struct {
int present;
int64_t *count;
int64_t *enable;
void (*callback)(void *priv);
void *priv;
} timers[TIMERS_MAX];
static int present = 0;
static int64_t latch = 0;
void
timer_process(void)
{
int64_t present;
void (*callback)(void *priv);
void *priv;
int64_t *enable;
int64_t *count;
} timers[TIMERS_MAX];
int64_t diff = latch - timer_count; /* get actual elapsed time */
int64_t enable[TIMERS_MAX];
int c, process = 0;
latch = 0;
int64_t TIMER_USEC;
int64_t timers_present = 0;
int64_t timer_one = 1;
int64_t timer_count = 0, timer_latch = 0;
int64_t timer_start = 0;
for (c = 0; c < present; c++) {
/* This is needed to avoid timer crashes on hard reset. */
if ((timers[c].enable == NULL) || (timers[c].count == NULL))
continue;
void timer_process(void)
{
int64_t c;
int64_t process = 0;
/*Get actual elapsed time*/
int64_t diff = timer_latch - timer_count;
int64_t enable[TIMERS_MAX];
timer_latch = 0;
for (c = 0; c < timers_present; c++)
{
/* This is needed to avoid timer crashes on hard reset. */
if ((timers[c].enable == NULL) || (timers[c].count == NULL))
{
continue;
}
enable[c] = *timers[c].enable;
if (*timers[c].enable)
{
*timers[c].count = *timers[c].count - diff;
if (*timers[c].count <= 0)
process = 1;
}
}
if (!process)
return;
while (1)
{
int64_t lowest = 1, lowest_c;
for (c = 0; c < timers_present; c++)
{
if (enable[c])
{
if (*timers[c].count < lowest)
{
lowest = *timers[c].count;
lowest_c = c;
}
}
}
if (lowest > 0)
break;
timers[lowest_c].callback(timers[lowest_c].priv);
enable[lowest_c] = *timers[lowest_c].enable;
}
}
void timer_update_outstanding(void)
{
int64_t c;
timer_latch = 0x7fffffffffffffff;
for (c = 0; c < timers_present; c++)
{
if (*timers[c].enable && *timers[c].count < timer_latch)
timer_latch = *timers[c].count;
enable[c] = *timers[c].enable;
if (enable[c]) {
*timers[c].count = *timers[c].count - diff;
if (*timers[c].count <= 0)
process = 1;
}
timer_count = timer_latch = (timer_latch + ((1 << TIMER_SHIFT) - 1));
}
}
if (! process)
return;
void timer_reset(void)
{
timers_present = 0;
timer_latch = timer_count = 0;
}
while (1) {
int64_t lowest = 1;
int lowest_c;
int64_t timer_add(void (*callback)(void *priv), int64_t *count, int64_t *enable, void *priv)
{
int64_t i = 0;
if (timers_present < TIMERS_MAX)
{
if (timers_present != 0)
{
/* This is the sanity check - it goes through all present timers and makes sure we're not adding a timer that already exists. */
for (i = 0; i < timers_present; i++)
{
if (timers[i].present && (timers[i].callback == callback) && (timers[i].priv == priv) && (timers[i].count == count) && (timers[i].enable == enable))
{
return 0;
}
for (c = 0; c < present; c++) {
if (enable[c]) {
if (*timers[c].count < lowest) {
lowest = *timers[c].count;
lowest_c = c;
}
}
timers[timers_present].present = 1;
timers[timers_present].callback = callback;
timers[timers_present].priv = priv;
timers[timers_present].count = count;
timers[timers_present].enable = enable;
timers_present++;
return timers_present - 1;
}
return -1;
if (lowest > 0)
break;
timers[lowest_c].callback(timers[lowest_c].priv);
enable[lowest_c] = *timers[lowest_c].enable;
}
}
void timer_set_callback(int64_t timer, void (*callback)(void *priv))
void
timer_update_outstanding(void)
{
timers[timer].callback = callback;
int c;
latch = 0x7fffffffffffffff;
for (c = 0; c < present; c++) {
if (*timers[c].enable && *timers[c].count < latch)
latch = *timers[c].count;
}
timer_count = latch = (latch + ((1 << TIMER_SHIFT) - 1));
}
void
timer_reset(void)
{
present = 0;
latch = timer_count = 0;
}
int
timer_add(void (*callback)(void *priv), void *priv, int64_t *count, int64_t *enable)
{
int i = 0;
/* Can we allocate another one/ */
if (present == TIMERS_MAX)
return(-1);
if (present != 0) {
/*
* Sanity check:
* go through all present timers and make sure
* we're not adding a timer that already exists.
*/
for (i = 0; i < present; i++) {
if (timers[i].present &&
(timers[i].callback == callback) &&
(timers[i].priv == priv) &&
(timers[i].count == count) && (timers[i].enable == enable))
return 0;
}
}
timers[present].present = 1;
timers[present].callback = callback;
timers[present].priv = priv;
timers[present].count = count;
timers[present].enable = enable;
present++;
return present - 1;
}