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-rw-r--r--ports/cxd56/supervisor/port.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/ports/cxd56/supervisor/port.c b/ports/cxd56/supervisor/port.c
index a40d31faf..bbd864f90 100644
--- a/ports/cxd56/supervisor/port.c
+++ b/ports/cxd56/supervisor/port.c
@@ -36,6 +36,8 @@
#include "boards/board.h"
#include "supervisor/port.h"
+#include "supervisor/background_callback.h"
+#include "supervisor/usb.h"
#include "supervisor/shared/tick.h"
#include "common-hal/microcontroller/Pin.h"
@@ -114,6 +116,11 @@ uint32_t port_get_saved_word(void) {
return _ebss;
}
+static background_callback_t callback;
+static void usb_background_do(void* unused) {
+ usb_background();
+}
+
volatile bool _tick_enabled;
void board_timerhook(void)
{
@@ -121,6 +128,8 @@ void board_timerhook(void)
if (_tick_enabled) {
supervisor_tick();
}
+
+ background_callback_add(&callback, usb_background_do, NULL);
}
uint64_t port_get_raw_ticks(uint8_t* subticks) {