put calibration temperature back to 130 for merging

Author: Crzyrndm

src/signature.rs

@@ -93,14 +93,14 @@ impl VrefCal {
 }
 
 /// A temperature reading taken at 30°C stored at the factory
-/// aka TS_CAL1
+/// aka TS_CAL1 in reference manual
 #[derive(Debug)]
 #[repr(C)]
 pub struct VtempCal30(u16);
 define_ptr_type!(VtempCal30, 0x1FFF_75A8);
 
 impl VtempCal30 {
-    /// TS_CAL1_TEMP
+    /// aka TS_CAL1_TEMP in reference manual
     pub const TEMP_DEGREES: u16 = 30;
     /// Read calibration value
     pub fn read(&self) -> u16 {
@@ -109,16 +109,17 @@ impl VtempCal30 {
 }
 
 /// A temperature reading taken at 130°C stored at the factory
-/// aka TS_CAL2
+/// aka TS_CAL2 in reference manual
 #[derive(Debug)]
 #[repr(C)]
 pub struct VtempCal130(u16);
 define_ptr_type!(VtempCal130, 0x1FFF_75CA);
 
 impl VtempCal130 {
-    /// TS_CAL2_TEMP
-    /// TODO: this is 110 for L47x, 130 for L43x
-    pub const TEMP_DEGREES: u16 = 110;
+    /// aka TS_CAL2_TEMP in reference manual
+    /// Feature gate Required: this is 110 for L47x/L48x, 130 for other L4s according to
+    /// https://github.com/STMicroelectronics/STM32CubeL4/blob/5e1553e07706491bd11f4edd304e093b6e4b83a4/Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_ll_adc.h#L352-L356
+    pub const TEMP_DEGREES: u16 = 130;
     /// Read calibration value
     pub fn read(&self) -> u16 {
         self.0