From 3f700e7e6811f3c1ee15a9620c93ae024563ef2c Mon Sep 17 00:00:00 2001
From: Lucian Copeland <hierophect@gmail.com>
Date: Mon, 10 Feb 2020 12:16:00 -0500
Subject: [PATCH] fix missing parameter

---
 ports/stm32f4/mphalport.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ports/stm32f4/mphalport.c b/ports/stm32f4/mphalport.c
index 47ff493e2d..a3cf501c04 100644
--- a/ports/stm32f4/mphalport.c
+++ b/ports/stm32f4/mphalport.c
@@ -51,7 +51,7 @@ void mp_hal_delay_ms(mp_uint_t delay) {
 }
 
 void mp_hal_delay_us(mp_uint_t delay) {
-    common_hal_mcu_delay_us();
+    common_hal_mcu_delay_us(delay);
 }
 
 void mp_hal_disable_all_interrupts(void) {