From: Keith Packard <keithp@keithp.com>
Date: Tue, 1 May 2012 18:08:49 +0000 (-0700)
Subject: altos: Report latest telemetry data, rather than using the oldest
X-Git-Tag: 1.0.9.5~25^2~12
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=8b08095b3d41e21684a10bddfb54431019da5af6

altos: Report latest telemetry data, rather than using the oldest

ao_sample_adc points to the *next* ADC entry, rather than the most
recent one. Step back one entry to get the latest valid data.

Signed-off-by: Keith Packard <keithp@keithp.com>
---

diff --git a/src/core/ao_telemetry.c b/src/core/ao_telemetry.c
index eb614b0f..46d72609 100644
--- a/src/core/ao_telemetry.c
+++ b/src/core/ao_telemetry.c
@@ -53,8 +53,7 @@ static __xdata union ao_telemetry_all	telemetry;
 static void
 ao_send_sensor(void)
 {
-	uint8_t		sample;
-	sample = ao_sample_adc;
+	uint8_t		sample = ao_adc_ring_prev(ao_sample_adc);
 			
 	telemetry.generic.tick = ao_adc_ring[sample].tick;
 	telemetry.generic.type = AO_TELEMETRY_SENSOR;