From 3aad5f2555dbe3704db61486aeafd95cee198f22 Mon Sep 17 00:00:00 2001
From: Austen Adler <agadler@austenadler.com>
Date: Sun, 15 Aug 2021 18:55:50 -0400
Subject: [PATCH] Fix flashing

---
 src/pattern/flashing.rs | 7 ++-----
 src/strip.rs            | 2 +-
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/src/pattern/flashing.rs b/src/pattern/flashing.rs
index 592bfa5..0ad6b09 100644
--- a/src/pattern/flashing.rs
+++ b/src/pattern/flashing.rs
@@ -2,7 +2,6 @@ use super::Pattern;
 use crate::color::{self, Rgb};
 use std::{
     collections::{vec_deque, VecDeque},
-    convert::TryFrom,
     iter,
 };
 
@@ -29,12 +28,10 @@ impl Pattern for Flashing {
         Ok(true)
     }
     fn init(&mut self, num_lights: u16) -> Result<(), ()> {
-        if self.lights_buf.len() == 0 {
+        if num_lights == 0 {
             return Err(());
         }
-        let length_factor = u16::try_from(self.lights_buf.len())
-            .or(Err(()))?
-            .saturating_mul(u16::from(self.width));
+        let length_factor = num_lights.saturating_mul(u16::from(self.width));
 
         let buf_length = color::min_with_factor(num_lights, length_factor)?;
 
diff --git a/src/strip.rs b/src/strip.rs
index 9972730..6a61039 100644
--- a/src/strip.rs
+++ b/src/strip.rs
@@ -128,7 +128,7 @@ impl LedStrip {
                             self.pattern = pat;
                         } else {
                             let _ = message_tx.send(errors::Message::String(format!(
-                                "Error with pattern: {:?}",
+                                "Error initializing pattern: {:?}",
                                 pat
                             )));
                         }