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authorThomas Otto2010-04-13 22:26:07 +0200
committerThomas Otto2010-04-13 22:26:07 +0200
commit905b5112b69b83acac1a6f896d363da4d2e7c648 (patch)
tree2eaad7340fdfc345fa4f30e2275bce8d31015c6d /lib/systick.c
parent37e71e3e5c526baf0bf001a6cac9141072e9a911 (diff)
Some improvements to systick.h+c.
Diffstat (limited to 'lib/systick.c')
-rw-r--r--lib/systick.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/lib/systick.c b/lib/systick.c
index 3298ee6..9b298d5 100644
--- a/lib/systick.c
+++ b/lib/systick.c
@@ -19,4 +19,48 @@
#include <libopenstm32/systick.h>
+void systick_set_reload(u32 value)
+{
+ STK_LOAD = (value & 0x00FFFFFF);
+}
+
+u32 systick_get_value(void)
+{
+ return STK_VAL;
+}
+
+void systick_set_clocksource(u8 clocksource)
+{
+ if (clocksource < 2)
+ STK_CTRL |= (clocksource << STK_CTRL_CLKSOURCE_LSB);
+}
+
+void systick_interrupt_enable(void)
+{
+ STK_CTRL |= STK_CTRL_TICKINT;
+}
+
+void systick_interrupt_disable(void)
+{
+ STK_CTRL &= ~STK_CTRL_TICKINT;
+}
+
+void systick_counter_enable(void)
+{
+ STK_CTRL |= STK_CTRL_ENABLE;
+}
+
+void systick_counter_disable(void)
+{
+ STK_CTRL &= ~STK_CTRL_ENABLE;
+}
+
+u8 systick_get_countflag(void)
+{
+ if (STK_CTRL & STK_CTRL_COUNTFLAG)
+ return 1;
+ else
+ return 0;
+}
+