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-rw-r--r--lib/stm32/f1/scb.c5
-rw-r--r--lib/stm32/f2/scb.c5
-rw-r--r--lib/stm32/f4/scb.c5
3 files changed, 15 insertions, 0 deletions
diff --git a/lib/stm32/f1/scb.c b/lib/stm32/f1/scb.c
index 54c5776..8c3238c 100644
--- a/lib/stm32/f1/scb.c
+++ b/lib/stm32/f1/scb.c
@@ -28,3 +28,8 @@ void scb_reset_system(void)
{
SCB_AIRCR = SCB_AIRCR_VECTKEY | SCB_AIRCR_SYSRESETREQ;
}
+
+void scb_set_priority_grouping(u32 prigroup)
+{
+ SCB_AIRCR = SCB_AIRCR_VECTKEY | prigroup;
+}
diff --git a/lib/stm32/f2/scb.c b/lib/stm32/f2/scb.c
index 338542e..33088f3 100644
--- a/lib/stm32/f2/scb.c
+++ b/lib/stm32/f2/scb.c
@@ -28,3 +28,8 @@ void scb_reset_system(void)
{
SCB_AIRCR = SCB_AIRCR_VECTKEY | SCB_AIRCR_SYSRESETREQ;
}
+
+void scb_set_priority_grouping(u32 prigroup)
+{
+ SCB_AIRCR = SCB_AIRCR_VECTKEY | prigroup;
+}
diff --git a/lib/stm32/f4/scb.c b/lib/stm32/f4/scb.c
index 18c1337..30510f8 100644
--- a/lib/stm32/f4/scb.c
+++ b/lib/stm32/f4/scb.c
@@ -28,3 +28,8 @@ void scb_reset_system(void)
{
SCB_AIRCR = SCB_AIRCR_VECTKEY | SCB_AIRCR_SYSRESETREQ;
}
+
+void scb_set_priority_grouping(u32 prigroup)
+{
+ SCB_AIRCR = SCB_AIRCR_VECTKEY | prigroup;
+}