X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fstm%2Fao_timer.c;h=d00deffab2161b80e0333f6524567deefdb87052;hb=338372b97d441c30d2a23df540163a66a7f8d8c0;hp=9d118b721349d2198f69e37f7e32dd73ee593734;hpb=f16d1e3a2f074b96aae6b9053e8e9e03bd282741;p=fw%2Faltos

diff --git a/src/stm/ao_timer.c b/src/stm/ao_timer.c
index 9d118b72..d00deffa 100644
--- a/src/stm/ao_timer.c
+++ b/src/stm/ao_timer.c
@@ -36,11 +36,28 @@ ao_time(void)
 {
 	return ao_tick_count;
 }
+
+uint64_t
+ao_time_ns(void)
+{
+	AO_TICK_TYPE	before, after;
+	uint32_t	cvr;
+
+	do {
+		before = ao_tick_count;
+		cvr = stm_systick.cvr;
+		after = ao_tick_count;
+	} while (before != after);
+
+	return (uint64_t) after * (1000000000ULL / AO_HERTZ) +
+		(uint64_t) cvr * (1000000000ULL / AO_SYSTICK);
+}
+
 #endif
 
 #if AO_DATA_ALL
-volatile __data uint8_t	ao_data_interval = 1;
-volatile __data uint8_t	ao_data_count;
+volatile uint8_t	ao_data_interval = 1;
+volatile uint8_t	ao_data_count;
 #endif
 
 void stm_systick_isr(void)