wrap up hid device refactor

1 files changed, 6 insertions, 0 deletions

diff --git a/hw/bsp/board.h b/hw/bsp/board.h
index 896a14c0c..c78f3708b 100644
--- a/hw/bsp/board.h
+++ b/hw/bsp/board.h
@@ -95,6 +95,12 @@ static inline void board_led_off(void)
   board_led_write(false);
 }
 
+static inline void board_delay(uint32_t ms)
+{
+  uint32_t start_ms = board_millis();
+  while( board_millis() < start_ms + ms) {}
+}
+
 static inline int8_t board_uart_getchar(void)
 {
   uint8_t c;