From: Joel Challis <git@zvecr.com>
Date: Tue, 13 Aug 2019 17:23:14 +0000 (+0100)
Subject: Fix LT() crashing some ARM keyboards (#6529)
X-Git-Url: https://git.donarmstrong.com/?a=commitdiff_plain;h=d8d2a096742f611e3ade527e7224e8281867c563;p=qmk_firmware.git

Fix LT() crashing some ARM keyboards (#6529)
---

diff --git a/tmk_core/common/wait.h b/tmk_core/common/wait.h
index a77840bce..9aed372b7 100644
--- a/tmk_core/common/wait.h
+++ b/tmk_core/common/wait.h
@@ -13,8 +13,8 @@ extern "C" {
 #   define wait_us(us)  _delay_us(us)
 #elif defined PROTOCOL_CHIBIOS
 #   include "ch.h"
-#   define wait_ms(ms) chThdSleepMilliseconds(ms)
-#   define wait_us(us) chThdSleepMicroseconds(us)
+#   define wait_ms(ms) do { if (ms != 0) { chThdSleepMilliseconds(ms); } else { chThdSleepMicroseconds(1); } } while (0)
+#   define wait_us(us) do { if (us != 0) { chThdSleepMicroseconds(us); } else { chThdSleepMicroseconds(1); } } while (0)
 #elif defined PROTOCOL_ARM_ATSAM
 #   include "clks.h"
 #   define wait_ms(ms) CLK_delay_ms(ms)