code reuse good!

GDI-4ch/firmware/can.cpp

@@ -12,47 +12,10 @@
 #include "chprintf.h"
 
 #define GDI4_CAN_SET_TAG 0x78
-
-// https://stackoverflow.com/questions/19760221/c-get-the-month-as-number-at-compile-time
-
-#define __MONTH__ (\
-  __DATE__ [2] == 'n' ? (__DATE__ [1] == 'a' ? 1 : 6) \
-: __DATE__ [2] == 'b' ? 2 \
-: __DATE__ [2] == 'r' ? (__DATE__ [0] == 'M' ? 3 : 4) \
-: __DATE__ [2] == 'y' ? 5 \
-: __DATE__ [2] == 'l' ? 7 \
-: __DATE__ [2] == 'g' ? 8 \
-: __DATE__ [2] == 'p' ? 9 \
-: __DATE__ [2] == 't' ? 10 \
-: __DATE__ [2] == 'v' ? 11 \
-: 12)
-
-// https://stackoverflow.com/questions/46899202/how-to-split-date-and-time-macros-into-individual-components-for-variabl
-constexpr int compilationDatePortion(const int startIndex, const int totalChars) {
-
-    int result = 0;
-    for (int i = startIndex + totalChars - 1, multiplier = 1;
-         i >= startIndex;
-         i--, multiplier *= 10) {
-        const char c = __DATE__[i];
-        if (c != ' ') {
-            result += (c - '0') * multiplier;
-        }
-    }
-
-    return result;
-}
-
-constexpr int compilationYear() {
-    return compilationDatePortion(7, 4);
-}
-
-constexpr int compilationDay() {
-    return compilationDatePortion(4, 2);
-}
+#include <rusefi/manifest.h>
 
 // Decimal hex date presented as hex
-static char VERSION[] = {compilationYear() / 100, compilationYear() % 100, __MONTH__, compilationDay()};
+static char VERSION[] = {compilationYear() / 100, compilationYear() % 100, compilationMonth(), compilationDay()};
 
 extern GDIConfiguration configuration;
 extern Pt2001 chip;