From 818047775b3c4cfca596b34d322ac9942f07f3d6 Mon Sep 17 00:00:00 2001
From: Ryan Summers <ryan.summers@vertigo-designs.com>
Date: Thu, 11 Jun 2020 11:17:12 +0200
Subject: [PATCH] Correcting ADC full-scale voltage

---
 stabilizer/src/pounder/mod.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/stabilizer/src/pounder/mod.rs b/stabilizer/src/pounder/mod.rs
index 5b9822f..093cfd2 100644
--- a/stabilizer/src/pounder/mod.rs
+++ b/stabilizer/src/pounder/mod.rs
@@ -401,7 +401,8 @@ impl<DELAY> PowerMeasurementInterface for PounderDevices<DELAY> {
             _ => return Err(Error::InvalidChannel),
         };
 
-        // Convert analog percentage to voltage.
-        Ok(adc_scale * 3.3)
+        // Convert analog percentage to voltage. Note that the ADC uses an external 2.048V analog
+        // reference.
+        Ok(adc_scale * 2.048)
     }
 }