X-Git-Url: http://git.droids-corp.org/?p=beacon-tx-433.git;a=blobdiff_plain;f=main.c;h=820cdc18bb9d17418d543eb73554ed41850a7c65;hp=7aa50c8c478d7a25028eb0411b077be528059f1a;hb=75f96dba8d659afecb6d8e9967d41c0dcb7301ac;hpb=a18f73b5cdca470fcb1c3edc7a9d49bae8f39666

diff --git a/main.c b/main.c
index 7aa50c8..820cdc1 100644
--- a/main.c
+++ b/main.c
@@ -65,6 +65,7 @@ int main(void)
 	TCCR0B = (1 << CS01); /* clk/8 = 1Mhz */
 
 	while (1) {
+		/* 4 Khz */
 		wait_period();
 
 		/* buzzer at 2 Khz after 10mns if not always on */
@@ -77,9 +78,10 @@ int main(void)
 		else
 			BUZZER_OFF();
 
-		/* radio at 500 Hz */
+		/* radio duty cycle is 500/4000 */
 		if (time_period < 500) {
 			TX_ENABLE();
+			/* at 500 Hz */
 			if (time_period & 4)
 				TX_ON();
 			else