fix(spi): baudrate calc

ch32-rs · May 3, 2024 · e24981a · e24981a
1 parent 9c8fabf
commit e24981a
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/spi.rs b/src/spi.rs
@@ -651,7 +651,8 @@ fn calculate_baud_rate(hclk: u32, clk: u32) -> BaudRate {
         33..=64 => BaudRate::DIV_64,
         65..=128 => BaudRate::DIV_128,
         129..=256 => BaudRate::DIV_256,
-        // default to div256
+        // fallback to the lowest baudrate
+        0 => BaudRate::DIV_2,
         _ => BaudRate::DIV_256,
     }
 }