diff --git a/examples/rp/src/bin/adc.rs b/examples/rp/src/bin/adc.rs index c0cbe0172..81a8b8340 100644 --- a/examples/rp/src/bin/adc.rs +++ b/examples/rp/src/bin/adc.rs @@ -41,5 +41,8 @@ async fn main(_spawner: Spawner) { fn convert_to_celsius(raw_temp: u16) -> f32 { // According to chapter 4.9.5. Temperature Sensor in RP2040 datasheet - 27.0 - (raw_temp as f32 * 3.3 / 4096.0 - 0.706) / 0.001721 + let temp = 27.0 - (raw_temp as f32 * 3.3 / 4096.0 - 0.706) / 0.001721; + let sign = if temp < 0.0 { -1.0 } else { 1.0 }; + let rounded_temp_x10: i16 = ((temp * 10.0) + 0.5 * sign) as i16; + (rounded_temp_x10 as f32) / 10.0 }