X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=ao_adc.c;h=639c5f6c3b9281f6096c3d3b7308a4c7cacf53b5;hp=9cd3d46c79f1252efd42b15a8a0657ae67c7a912;hb=b99315cee4ab796376458a2442cf36806fa4aed3;hpb=3d5a5fc4db5f681e848202c4ee4099d2879677d6

diff --git a/ao_adc.c b/ao_adc.c
index 9cd3d46c..639c5f6c 100644
--- a/ao_adc.c
+++ b/ao_adc.c
@@ -35,10 +35,7 @@ ao_adc_sleep(void)
 void
 ao_adc_get(__xdata struct ao_adc *packet)
 {
-	uint8_t	i = ao_adc_head;
-	if (i == 0)
-		i = AO_ADC_RING;
-	i--;
+	uint8_t	i = ao_adc_ring_prev(ao_adc_head);
 	memcpy(packet, &ao_adc_ring[i], sizeof (struct ao_adc));
 }
 
@@ -58,13 +55,26 @@ ao_adc_isr(void) interrupt 1
 	} else {
 		/* record this conversion series */
 		ao_adc_ring[ao_adc_head].tick = ao_time();
-		ao_adc_head++;
-		if (ao_adc_head == AO_ADC_RING)
-			ao_adc_head = 0;
+		ao_adc_head = ao_adc_ring_next(ao_adc_head);
 		ao_wakeup(ao_adc_ring);
 	}
 }
 
+static void
+ao_adc_dump(void)
+{
+	__xdata struct ao_adc	packet;
+	ao_adc_get(&packet);
+	printf("tick: %5u accel: %4d pres: %4d temp: %4d batt: %4d drogue: %4d main: %4d\n",
+	       packet.tick, packet.accel >> 4, packet.pres >> 4, packet.temp >> 4,
+	       packet.sense_d >> 4, packet.sense_m >> 4);
+}
+
+__code struct ao_cmds ao_adc_cmds[] = {
+	{ 'a',	ao_adc_dump,	"a                                  Display current ADC values" },
+	{ 0,	ao_adc_dump, NULL },
+};
+
 void
 ao_adc_init(void)
 {
@@ -78,5 +88,6 @@ ao_adc_init(void)
 	/* enable interrupts */
 	ADCIF = 0;
 	IEN0 |= IEN0_ADCIE;
+	ao_cmd_register(&ao_adc_cmds[0]);
 }