Merge pull request #3890 from GUVWAF/rp2040heap

RP2040: Add `getFreeHeap()` and `getHeapSize()` support

src/memGet.cpp

@@ -22,6 +22,8 @@ uint32_t MemGet::getFreeHeap()
     return ESP.getFreeHeap();
 #elif defined(ARCH_NRF52)
     return dbgHeapFree();
+#elif defined(ARCH_RP2040)
+    return rp2040.getFreeHeap();
 #else
     // this platform does not have heap management function implemented
     return UINT32_MAX;
@@ -38,6 +40,8 @@ uint32_t MemGet::getHeapSize()
     return ESP.getHeapSize();
 #elif defined(ARCH_NRF52)
     return dbgHeapTotal();
+#elif defined(ARCH_RP2040)
+    return rp2040.getTotalHeap();
 #else
     // this platform does not have heap management function implemented
     return UINT32_MAX;