From: Nathael Pajani <nathael.pajani@ed3l.fr>
Date: Mon, 7 Feb 2022 02:12:21 +0000 (+0100)
Subject: Use fixed version of IRQ priority helpers
X-Git-Url: http://git.techno-innov.fr/?a=commitdiff_plain;h=fcfa6abf405218458a9403e4a32186d314ea6b31;p=soft%2Flpc122x%2Fcore

Use fixed version of IRQ priority helpers
---

diff --git a/core/systick.c b/core/systick.c
index 78a8dae..2095f42 100644
--- a/core/systick.c
+++ b/core/systick.c
@@ -244,8 +244,8 @@ void systick_timer_on(uint32_t ms)
 	/* For the LPC122x the system tick clock is fixed to half the frequency of the system clock */
 	usleep_us_count = (usleep_us_count >> 1); /* Divide by two */
 
-	/* FIXME : document this */
-	NVIC_SetPriority(SYSTICK_IRQ, ((1 << LPC_NVIC_PRIO_BITS) - 1));
+	/* Set to lowest priority (0 is highest, 3 is lowest) */
+	NVIC_SetPriority(SYSTICK_IRQ, 3);
 }
 
 /* Removes the main clock from the selected timer block */