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Merge pull request #2987 from kamtom480/spresense-raw-ticks

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spresense: Fix port_get_raw_ticks
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Jeff Epler 2020-06-01 08:16:59 -05:00 committed by GitHub
commit cd5577c4d9
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1 changed files with 7 additions and 8 deletions
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15
ports/cxd56/supervisor/port.c
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@ -29,6 +29,8 @@
#include <sys/boardctl.h> #include <sys/boardctl.h>
#include <sys/time.h> #include <sys/time.h>
#include <cxd56_rtc.h>
#include "sched/sched.h" #include "sched/sched.h"
#include "boards/board.h" #include "boards/board.h"
@ -45,7 +47,8 @@
safe_mode_t port_init(void) { safe_mode_t port_init(void) {
boardctl(BOARDIOC_INIT, 0); boardctl(BOARDIOC_INIT, 0);
board_init(); // Wait until RTC is available
while (g_rtc_enabled == false);
if (board_requests_safe_mode()) { if (board_requests_safe_mode()) {
return USER_SAFE_MODE; return USER_SAFE_MODE;
@ -121,14 +124,10 @@ void board_timerhook(void)
} }
uint64_t port_get_raw_ticks(uint8_t* subticks) { uint64_t port_get_raw_ticks(uint8_t* subticks) {
struct timeval tv; uint64_t count = cxd56_rtc_count();
gettimeofday(&tv, NULL); *subticks = count % 32;
long computed_subticks = tv.tv_usec * 1024 * 32 / 1000000;
if (subticks != NULL) {
*subticks = computed_subticks % 32;
}
return tv.tv_sec * 1024 + computed_subticks / 32; return count / 32;
} }
// Enable 1/1024 second tick. // Enable 1/1024 second tick.