irq: Support sleeping when mcu is idle

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
2017-07-12 22:16:16 -04:00
parent 969485c754
commit 118fd21cb8
13 changed files with 101 additions and 10 deletions
--- a/src/pru/main.c
+++ b/src/pru/main.c
@@ -46,12 +46,24 @@ irq_restore(irqstatus_t flag)
 {
 }

+void
+irq_wait(void)
+{
+    asm("slp 1");
+}
+
 static void
 timer_set(uint32_t value)
 {
    CT_IEP.TMR_CMP0 = value;
 }

+uint32_t
+timer_get_next(void)
+{
+    return CT_IEP.TMR_CMP0;
+}
+
 uint32_t
 timer_read_time(void)
 {