nrf: Change types to size_t for all uses of mp_obj_str_get_data.

1 files changed, 1 insertions, 1 deletions

diff --git a/ports/nrf/modules/music/modmusic.c b/ports/nrf/modules/music/modmusic.c
index 84a014c12..3730b3a72 100644
--- a/ports/nrf/modules/music/modmusic.c
+++ b/ports/nrf/modules/music/modmusic.c
@@ -126,7 +126,7 @@ void microbit_music_tick(void) {
             music_data->async_state = ASYNC_MUSIC_STATE_NEXT_NOTE;
         } else {
             // a note
-            mp_uint_t note_len;
+            size_t note_len;
             const char *note_str = mp_obj_str_get_data(note, &note_len);
             uint32_t delay_on = start_note(note_str, note_len, music_data->async_pin);
             music_data->async_wait_ticks = ticks + delay_on;