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authorMarti Bolivar <mbolivar@mit.edu>2010-08-31 18:28:07 -0400
committerMarti Bolivar <mbolivar@mit.edu>2010-08-31 18:28:07 -0400
commit9c9d6c153154981fdedbe3f9ed4a1fb61e2b7776 (patch)
tree09d442ef012b8578a52cffb352af52eabf640301 /libmaple/systick.c
parent1e3e0862bbe9aefe25663124c1f2e1f8a20e1358 (diff)
downloadlibrambutan-9c9d6c153154981fdedbe3f9ed4a1fb61e2b7776.tar.gz
librambutan-9c9d6c153154981fdedbe3f9ed4a1fb61e2b7776.zip
added support to enable/disable systick in wirish
Diffstat (limited to 'libmaple/systick.c')
-rw-r--r--libmaple/systick.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/libmaple/systick.c b/libmaple/systick.c
index 8b0d92a..456ac2f 100644
--- a/libmaple/systick.c
+++ b/libmaple/systick.c
@@ -52,6 +52,12 @@ void systick_init(uint32 reload_val) {
SYSTICK_TICKINT);
}
+void systick_disable() {
+ /* clock the system timer with the core clock, but don't turn it on
+ or enable interrupt. */
+ __write(SYSTICK_CSR, SYSTICK_SRC_HCLK);
+}
+
void SysTickHandler(void) {
systick_timer_millis++;
}