Disallow floats for PTC_* vars that used to allow them, and update …

…default configuration to remove float vals. (MarlinFirmware#22044)

Marlin/Configuration_adv.h

@@ -1963,19 +1963,19 @@
     // Probe temperature calibration generates a table of values starting at PTC_SAMPLE_START
     // (e.g. 30), in steps of PTC_SAMPLE_RES (e.g. 5) with PTC_SAMPLE_COUNT (e.g. 10) samples.
 
-    //#define PTC_SAMPLE_START  30.0f
-    //#define PTC_SAMPLE_RES    5.0f
-    //#define PTC_SAMPLE_COUNT  10U
+    //#define PTC_SAMPLE_START  30
+    //#define PTC_SAMPLE_RES    5
+    //#define PTC_SAMPLE_COUNT  10
 
     // Bed temperature calibration builds a similar table.
 
-    //#define BTC_SAMPLE_START  60.0f
-    //#define BTC_SAMPLE_RES    5.0f
-    //#define BTC_SAMPLE_COUNT  10U
+    //#define BTC_SAMPLE_START  60
+    //#define BTC_SAMPLE_RES    5
+    //#define BTC_SAMPLE_COUNT  10
 
     // The temperature the probe should be at while taking measurements during bed temperature
     // calibration.
-    //#define BTC_PROBE_TEMP 30.0f
+    //#define BTC_PROBE_TEMP 30
 
     // Height above Z=0.0f to raise the nozzle. Lowering this can help the probe to heat faster.
     // Note: the Z=0.0f offset is determined by the probe offset which can be set using M851.
@@ -1984,7 +1984,7 @@
     // Height to raise the Z-probe between heating and taking the next measurement. Some probes
     // may fail to untrigger if they have been triggered for a long time, which can be solved by
     // increasing the height the probe is raised to.
-    //#define PTC_PROBE_RAISE 15U
+    //#define PTC_PROBE_RAISE 15
 
     // If the probe is outside of the defined range, use linear extrapolation using the closest
     // point and the PTC_LINEAR_EXTRAPOLATION'th next point. E.g. if set to 4 it will use data[0]

Marlin/src/feature/probe_temp_comp.h

@@ -47,30 +47,30 @@ typedef struct {
 
 // Probe temperature calibration constants
 #ifndef PTC_SAMPLE_COUNT
-  #define PTC_SAMPLE_COUNT 10U
+  #define PTC_SAMPLE_COUNT 10
 #endif
 #ifndef PTC_SAMPLE_RES
   #define PTC_SAMPLE_RES 5
 #endif
 #ifndef PTC_SAMPLE_START
   #define PTC_SAMPLE_START 30
 #endif
-#define PTC_SAMPLE_END ((PTC_SAMPLE_START) + (PTC_SAMPLE_COUNT) * (PTC_SAMPLE_RES))
+#define PTC_SAMPLE_END (PTC_SAMPLE_START + (PTC_SAMPLE_COUNT) * PTC_SAMPLE_RES)
 
 // Bed temperature calibration constants
 #ifndef BTC_PROBE_TEMP
   #define BTC_PROBE_TEMP 30
 #endif
 #ifndef BTC_SAMPLE_COUNT
-  #define BTC_SAMPLE_COUNT 10U
+  #define BTC_SAMPLE_COUNT 10
 #endif
 #ifndef BTC_SAMPLE_RES
   #define BTC_SAMPLE_RES 5
 #endif
 #ifndef BTC_SAMPLE_START
   #define BTC_SAMPLE_START 60
 #endif
-#define BTC_SAMPLE_END ((BTC_SAMPLE_START) + (BTC_SAMPLE_COUNT) * (BTC_SAMPLE_RES))
+#define BTC_SAMPLE_END (BTC_SAMPLE_START + (BTC_SAMPLE_COUNT) * BTC_SAMPLE_RES)
 
 #ifndef PTC_PROBE_HEATING_OFFSET
   #define PTC_PROBE_HEATING_OFFSET 0.5f

Marlin/src/inc/SanityCheck.h

@@ -577,6 +577,36 @@
 constexpr float arm[] = AXIS_RELATIVE_MODES;
 static_assert(COUNT(arm) == LOGICAL_AXES, "AXIS_RELATIVE_MODES must contain " _LOGICAL_AXES_STR "elements.");
 
+#ifdef PTC_SAMPLE_START
+  auto _ptc_sample_start = PTC_SAMPLE_START;
+  constexpr decltype(_ptc_sample_start) _test_ptc_sample_start = 12.3f;
+  static_assert( _test_ptc_sample_start != 12.3f , "PTC_SAMPLE_START should not be a float; use whole numbers only.");
+#endif
+
+#ifdef PTC_SAMPLE_RES
+  auto _ptc_sample_res = PTC_SAMPLE_END;
+  constexpr decltype(_ptc_sample_res) _test_ptc_sample_res = 12.3f;
+  static_assert( _test_ptc_sample_res != 12.3f , "PTC_SAMPLE_RES should not be a float; use whole numbers only.");
+#endif
+
+#ifdef BTC_SAMPLE_START
+  auto _btc_sample_start = BTC_SAMPLE_START;
+  constexpr decltype(_btc_sample_start) _test_btc_sample_start = 12.3f;
+  static_assert( _test_btc_sample_start != 12.3f , "BTC_SAMPLE_START should not be a float; use whole numbers only.");
+#endif
+
+#ifdef BTC_SAMPLE_RES
+  auto _btc_sample_res = BTC_SAMPLE_END;
+  constexpr decltype(_btc_sample_res) _test_btc_sample_res = 12.3f;
+  static_assert( _test_btc_sample_res != 12.3f , "BTC_SAMPLE_RES should not be a float; use whole numbers only.");
+#endif
+
+#ifdef BTC_PROBE_TEMP
+  auto _btc_probe_temp = BTC_PROBE_TEMP;
+  constexpr decltype(_btc_probe_temp) _test_btc_probe_temp = 12.3f;
+  static_assert( _test_btc_probe_temp != 12.3f , "BTC_SAMPLE_RES should not be a float; use whole numbers only.");
+#endif
+
 /**
  * Probe temp compensation requirements
  */