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-rw-r--r--ports/esp32s2/supervisor/port.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/ports/esp32s2/supervisor/port.c b/ports/esp32s2/supervisor/port.c
index 4c42f11af..2437b4f34 100644
--- a/ports/esp32s2/supervisor/port.c
+++ b/ports/esp32s2/supervisor/port.c
@@ -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;
}