chore: minor fn rename

src/ble/mod.rs

@@ -194,7 +194,7 @@ pub fn init(
     cfg.srandCB = Some(srand); // tmos_rand will call this
 
     cfg.rcCB = None; // use LSE, no calibrate
-    cfg.tsCB = Some(get_raw_temperature);
+    cfg.tsCB = Some(temperature_raw);
 
     // No need to set HAL_SLEEP(WakeUpTIme, sleepCB)
 
@@ -226,7 +226,8 @@ pub unsafe extern "C" fn srand() -> u32 {
     systick.cnt.read().bits() as u32
 }
 
-pub unsafe extern "C" fn get_raw_temperature() -> u16 {
+/// Get temperature reading in raw ADC value
+pub unsafe extern "C" fn temperature_raw() -> u16 {
     let mut regs: [u8; 4] = [0; 4];
 
     let rb = &*pac::ADC::PTR;

src/spi.rs

@@ -287,6 +287,17 @@ mod eh02 {
             self.blocking_write(words)
         }
     }
+
+    impl<'d, T: Instance> embedded_hal_02::blocking::spi::Transfer<u8> for Spi<'d, T> {
+        type Error = Error;
+
+        fn transfer<'w>(&mut self, words: &'w mut [u8]) -> Result<&'w [u8], Self::Error> {
+            self.blocking_write(words)?;
+            self.blocking_read(words)?;
+
+            Ok(words)
+        }
+    }
 }
 
 // - instance trait