From 5cd361340635aafe8806c82805622bc6afc4c4d7 Mon Sep 17 00:00:00 2001
From: Markus Reiter <me@reitermark.us>
Date: Fri, 19 Jan 2024 15:09:19 +0100
Subject: Remove `I2cInterface`. (#20)

* Merge `ReadData` and `WriteData` traits.

* Remove `I2cInterface`.

* Update changelog.

* Fix links.
---
 src/interface.rs | 53 -----------------------------------------------------
 1 file changed, 53 deletions(-)
 delete mode 100644 src/interface.rs

(limited to 'src/interface.rs')

diff --git a/src/interface.rs b/src/interface.rs
deleted file mode 100644
index 0e665a3..0000000
--- a/src/interface.rs
+++ /dev/null
@@ -1,53 +0,0 @@
-//! I2C interface
-
-use crate::{private, Error};
-
-/// I2C interface
-#[derive(Debug, Default)]
-pub struct I2cInterface<I2C> {
-    pub(crate) i2c: I2C,
-    pub(crate) address: u8,
-}
-
-/// Write data
-pub trait WriteData: private::Sealed {
-    /// Error type
-    type Error;
-
-    /// Write to an u16 register
-    fn write_register(&mut self, register: u8, data: u16) -> Result<(), Error<Self::Error>>;
-}
-
-impl<I2C, E> WriteData for I2cInterface<I2C>
-where
-    I2C: embedded_hal::i2c::I2c<Error = E>,
-{
-    type Error = E;
-    fn write_register(&mut self, register: u8, data: u16) -> Result<(), Error<E>> {
-        let payload: [u8; 3] = [register, (data >> 8) as u8, data as u8];
-        self.i2c.write(self.address, &payload).map_err(Error::I2C)
-    }
-}
-
-/// Read data
-pub trait ReadData: private::Sealed {
-    /// Error type
-    type Error;
-
-    /// Read an u16 register
-    fn read_register(&mut self, register: u8) -> Result<u16, Error<Self::Error>>;
-}
-
-impl<I2C, E> ReadData for I2cInterface<I2C>
-where
-    I2C: embedded_hal::i2c::I2c<Error = E>,
-{
-    type Error = E;
-    fn read_register(&mut self, register: u8) -> Result<u16, Error<E>> {
-        let mut data = [0, 0];
-        self.i2c
-            .write_read(self.address, &[register], &mut data)
-            .map_err(Error::I2C)
-            .and(Ok((u16::from(data[0]) << 8) | u16::from(data[1])))
-    }
-}
-- 
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