From 0de6c4d001b7f526b5feeee43da7988211b8903a Mon Sep 17 00:00:00 2001
From: Ral <noreply@git.tinkeral.ch>
Date: Fri, 28 Jul 2023 21:25:44 +0200
Subject: [PATCH] Some clippy lints

---
 .rustfmt.toml   | 3 +++
 src/checksum.rs | 3 ++-
 src/i2c.rs      | 1 +
 src/io.rs       | 1 +
 4 files changed, 7 insertions(+), 1 deletion(-)
 create mode 100644 .rustfmt.toml

diff --git a/.rustfmt.toml b/.rustfmt.toml
new file mode 100644
index 0000000..b8bfe30
--- /dev/null
+++ b/.rustfmt.toml
@@ -0,0 +1,3 @@
+edition = "2021"
+max_width = 110
+newline_style = "Unix"
diff --git a/src/checksum.rs b/src/checksum.rs
index e9d50a6..424cfc7 100644
--- a/src/checksum.rs
+++ b/src/checksum.rs
@@ -1,6 +1,7 @@
 // Compute the checksum over the bytes of a block.
+#[allow(clippy::cast_possible_truncation)]
 pub fn checksum(bytes: &[u8]) -> u8 {
-    bytes.iter().fold(0u32, |x, y| x + (*y as u32)) as u8
+    bytes.iter().fold(0u32, |x, y| x + u32::from(*y)) as u8
 }
 
 // Validate the checksum
diff --git a/src/i2c.rs b/src/i2c.rs
index 840ee2c..e30279b 100644
--- a/src/i2c.rs
+++ b/src/i2c.rs
@@ -36,6 +36,7 @@ pub fn write_to_bus(
     // Write 8 bytes at a time
     for (i, chunk) in data.chunks_exact(8).enumerate() {
         // Memory address
+        #[allow(clippy::cast_possible_truncation)]
         let address = memory_address + (i as u8) * 8;
         let mut msgs = [
             // Address to write to
diff --git a/src/io.rs b/src/io.rs
index a4eddd6..05bef3a 100644
--- a/src/io.rs
+++ b/src/io.rs
@@ -23,6 +23,7 @@ pub fn block_by_block_read(
                     // Read remaining blocks
                     match num_extensions {
                         0 => vec![],
+                        #[allow(clippy::cast_possible_truncation)]
                         _ => read(BLOCK_SIZE as u8, num_extensions * BLOCK_SIZE)?,
                     }
                 }