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Working CPU-Timer

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As long as sleep time in wallclock-example is short enough, we're
scheduled by the etimer -- since etimer callback is missing (no timer
interrupt yet) this doesn't work when time gets longer.
This commit is contained in:
Ralf Schlatterbeck 2016-04-15 20:06:28 +02:00
parent 08fb461f43
commit c043a00bb4
5 changed files with 37 additions and 88 deletions
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2
examples/osd/ico-wallclock-time/.gitignore vendored
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@ -6,3 +6,5 @@ icosoc.v
icosoc.ys
wallclock.co
wallclock.pico-rv32-icoboard
icosoc.c
icosoc.h

21
examples/osd/ico-wallclock-time/wallclock.c
View file

@ -72,7 +72,11 @@ PROCESS (wallclock, "Wallclock Example Server");
AUTOSTART_PROCESSES(&wallclock);
#define LOOP_INTERVAL (30 * CLOCK_SECOND)
//#define LOOP_INTERVAL (30 * CLOCK_SECOND)
//#define LOOP_INTERVAL (3 * CLOCK_SECOND)
// one more than this will currently hang, probably due to
// non-implemented etimer callback.
#define LOOP_INTERVAL (25461)
/*
* Set led to on or off, we abuse the given pointer to simply carry the
@ -84,7 +88,15 @@ void led_set (void *onoff)
icosoc_leds_set (0xFF * status);
}
extern void print_clocks (void);
#if 0
/* long long printing not working */
void test_print (void)
{
clock_time_t big = 0x1234567890098765LL;
printf ("Test: %016llx\n", big);
printf ("Test: %08lx%08lx\n", (uint32_t)(big>>32), (uint32_t)big);
}
#endif
PROCESS_THREAD(wallclock, ev, data)
{
@ -125,10 +137,11 @@ PROCESS_THREAD(wallclock, ev, data)
* We need to call cron every 30 seconds or so (at least once a
* minute)
*/
printf ("Loop-interval: %ld\n", (uint32_t)LOOP_INTERVAL);
etimer_set (&loop_periodic_timer, LOOP_INTERVAL);
while (1) {
printf ("In while loop\n");
print_clocks ();
clock_time_t cl = clock_time ();
printf ("In while loop: %08lx%08lx\n", (uint32_t)(cl>>32), (uint32_t)cl);
PROCESS_WAIT_EVENT();
if (etimer_expired (&loop_periodic_timer)) {
//cron ();