From 89259d3c7818ff343fbdbf706aa3a702581e7da7 Mon Sep 17 00:00:00 2001
From: Chris <Caemor@users.noreply.github.com>
Date: Sat, 26 May 2018 17:20:40 +0200
Subject: [PATCH] maybe the full buffer was to much for rpi spi transmission,
 testing now

---
 src/epd4in2/mod.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/epd4in2/mod.rs b/src/epd4in2/mod.rs
index 74b885f..1752420 100644
--- a/src/epd4in2/mod.rs
+++ b/src/epd4in2/mod.rs
@@ -275,7 +275,10 @@ where
         self.delay_ms(2);
 
         self.send_command(Command::DATA_START_TRANSMISSION_2)?;
-        self.send_multiple_data(buffer)?;
+        //self.send_multiple_data(buffer)?;
+        for &elem in buffer.iter() {
+            self.send_data(elem)?;
+        }
         self.delay_ms(2);
 
         self.set_lut()?;