From 6e02b2c4f66a718b3975089a55704abcf6427151 Mon Sep 17 00:00:00 2001
From: Astro <astro@spaceboyz.net>
Date: Thu, 29 Aug 2019 23:54:44 +0200
Subject: [PATCH] ad7172: fix comms rw flag

---
 firmware/src/ad7172.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/firmware/src/ad7172.rs b/firmware/src/ad7172.rs
index d8f21c2..4f36e3a 100644
--- a/firmware/src/ad7172.rs
+++ b/firmware/src/ad7172.rs
@@ -2,6 +2,7 @@ use embedded_hal::digital::v2::OutputPin;
 use embedded_hal::blocking::spi::Transfer;
 
 #[allow(unused)]
+#[derive(Clone, Copy)]
 #[repr(u8)]
 pub enum Register {
     Status = 0x00,
@@ -86,13 +87,13 @@ impl<SPI: Transfer<u8>, NSS: OutputPin> Adc<SPI, NSS> {
     }
 
     fn read_reg(&mut self, reg: Register, buffer: &'_ mut [u8]) -> Result<(), SPI::Error> {
-        buffer[0] = reg as u8;
+        buffer[0] = 0x40 | (reg as u8);
         self.transfer(buffer)?;
         Ok(())
     }
 
     fn write_reg(&mut self, reg: Register, buffer: &'_ mut [u8]) -> Result<(), SPI::Error> {
-        buffer[0] = 0x40 | (reg as u8);
+        buffer[0] = reg as u8;
         self.transfer(buffer)?;
         Ok(())
     }