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Issue #2958 Correct calculation of subticks being returned from port_get_raw_ticks() for esp32s2 #3020

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Merged
merged 3 commits into from
Jun 9, 2020
Merged

Issue #2958 Correct calculation of subticks being returned from port_get_raw_ticks() for esp32s2 #3020

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ef87cc3
Merge pull request #6 from adafruit/master
DavePutz Jun 8, 2020
d8bb2d7
Correct ticks being returned from port_get_raw_ticks()
DavePutz Jun 8, 2020
ec7a3fe
Redid formula for calculating subticks
DavePutz Jun 9, 2020
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3 changes: 2 additions & 1 deletion ports/esp32s2/supervisor/port.c
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Original file line number Diff line number Diff line change
Expand Up @@ -118,7 +118,8 @@ uint32_t port_get_saved_word(void) {
uint64_t port_get_raw_ticks(uint8_t* subticks) {
struct timeval tv_now;
gettimeofday(&tv_now, NULL);
uint64_t all_subticks = (uint64_t)tv_now.tv_usec / 32768;
// convert usec back to ticks
uint64_t all_subticks = (uint64_t)(tv_now.tv_usec * 2) / 71;
if (subticks != NULL) {
*subticks = all_subticks % 32;
}
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