From e234cacf79a496d20a113d1141e7607089fc6e8e Mon Sep 17 00:00:00 2001
From: Paul Selkirk <paul@psgd.org>
Date: Sat, 29 Apr 2017 15:44:30 -0400
Subject: Add task_delay.

---
 task.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'task.c')

diff --git a/task.c b/task.c
index 980ca1d..600b679 100644
--- a/task.c
+++ b/task.c
@@ -316,3 +316,13 @@ tcb_t *task_iterate(tcb_t *t)
 
     return t->next;
 }
+
+/* Delay a number of 1ms ticks.
+ */
+void task_delay(uint32_t delay)
+{
+    uint32_t tickstart = HAL_GetTick();
+
+    while ((HAL_GetTick() - tickstart) < delay)
+	task_yield();
+}
-- 
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