Berry `int64` added `low32()` and `high32()` methods, used in Matter (#21728)

CHANGELOG.md

@@ -13,6 +13,7 @@ All notable changes to this project will be documented in this file.
 - Support for Sonoff POWCT Ring (#21131)
 - NeoPool data validation and communication statistics default enabled for ESP32 only (#21721)
 - `FUNC_BUTTON_PRESSED` now contains `press_counter` encoded in `XdrvMailbox.command_code` (#21724)
+- Berry `int64` added `low32()` and `high32()` methods, used in Matter
 
 ### Breaking Changed
 

lib/libesp32/berry_int64/src/be_int64_class.c

@@ -212,6 +212,16 @@ int64_t* int64_frombytes(bvm *vm, uint8_t* ptr, size_t len, int32_t idx) {
 }
 BE_FUNC_CTYPE_DECLARE(int64_frombytes, "int64", "@(bytes)~[i]")
 
+int32_t int64_low32(int64_t *i64) {
+  return (int32_t) *i64;
+}
+BE_FUNC_CTYPE_DECLARE(int64_low32, "i", "(int64)")
+
+int32_t int64_high32(int64_t *i64) {
+  return (int32_t) (*i64 >> 32);
+}
+BE_FUNC_CTYPE_DECLARE(int64_high32, "i", "(int64)")
+
 /*
 
 def toint64(i)
@@ -305,5 +315,8 @@ class be_class_int64 (scope: global, name: int64) {
 
   tobytes, ctype_func(int64_tobytes)
   frombytes, static_ctype_func(int64_frombytes)
+
+  low32, ctype_func(int64_low32)        // return low 32 bits as int
+  high32, ctype_func(int64_high32)      // return high 32 bits as int
 }
 @const_object_info_end */