[NXP][common][mcxw71_k32w1] Add MML support to DiagnosticDataProvider…

…Impl (#35990)

* [nxp][platform][common] Add MML suppport for heap diagnostics

 * add SupportsWatermarks
 * add NXP_USE_MML define
 * add MML support for heap diagnostics

Signed-off-by: Andrei Menzopol <andrei.menzopol@nxp.com>

* [nxp][platform][mcxw71_k32w1] Use MML support for heap diagnostics

 * switch to common DiagnosticDataProviderImpl
 * enable MML support for heap diagnostics

Signed-off-by: Andrei Menzopol <andrei.menzopol@nxp.com>

* Restyled by whitespace

* Restyled by clang-format

* Restyled by gn

---------

Signed-off-by: Andrei Menzopol <andrei.menzopol@nxp.com>
Co-authored-by: Restyled.io <commits@restyled.io>

src/platform/nxp/common/CHIPNXPPlatformDefaultConfig.h

@@ -253,3 +253,8 @@
  */
 #define CHIP_CONFIG_RMP_DEFAULT_MAX_RETRANS 10
 #endif
+
+#ifndef NXP_USE_MML
+/* Do not use Memory Manager Light for dynamic memory allocation by default. */
+#define NXP_USE_MML 0
+#endif // NXP_USE_MML

src/platform/nxp/common/DiagnosticDataProviderImpl.cpp

@@ -42,6 +42,17 @@ extern "C" {
 }
 #endif
 
+#if NXP_USE_MML
+#include "fsl_component_mem_manager.h"
+#define GetFreeHeapSize MEM_GetFreeHeapSize
+#define HEAP_SIZE MinimalHeapSize_c
+#define GetMinimumEverFreeHeapSize MEM_GetFreeHeapSizeLowWaterMark
+#else
+#define GetFreeHeapSize xPortGetFreeHeapSize
+#define HEAP_SIZE configTOTAL_HEAP_SIZE
+#define GetMinimumEverFreeHeapSize xPortGetMinimumEverFreeHeapSize
+#endif // NXP_USE_MML
+
 // Not implement into the SDK
 // extern "C" void xPortResetHeapMinimumEverFreeHeapSize(void);
 
@@ -57,8 +68,8 @@ DiagnosticDataProviderImpl & DiagnosticDataProviderImpl::GetDefaultInstance()
 CHIP_ERROR DiagnosticDataProviderImpl::GetCurrentHeapFree(uint64_t & currentHeapFree)
 {
     size_t freeHeapSize;
+    freeHeapSize = GetFreeHeapSize();
 
-    freeHeapSize    = xPortGetFreeHeapSize();
     currentHeapFree = static_cast<uint64_t>(freeHeapSize);
     return CHIP_NO_ERROR;
 }
@@ -68,8 +79,8 @@ CHIP_ERROR DiagnosticDataProviderImpl::GetCurrentHeapUsed(uint64_t & currentHeap
     size_t freeHeapSize;
     size_t usedHeapSize;
 
-    freeHeapSize = xPortGetFreeHeapSize();
-    usedHeapSize = configTOTAL_HEAP_SIZE - freeHeapSize;
+    freeHeapSize = GetFreeHeapSize();
+    usedHeapSize = HEAP_SIZE - freeHeapSize;
 
     currentHeapUsed = static_cast<uint64_t>(usedHeapSize);
     return CHIP_NO_ERROR;
@@ -79,7 +90,8 @@ CHIP_ERROR DiagnosticDataProviderImpl::GetCurrentHeapHighWatermark(uint64_t & cu
 {
     size_t highWatermarkHeapSize;
 
-    highWatermarkHeapSize    = configTOTAL_HEAP_SIZE - xPortGetMinimumEverFreeHeapSize();
+    highWatermarkHeapSize = HEAP_SIZE - GetMinimumEverFreeHeapSize();
+
     currentHeapHighWatermark = static_cast<uint64_t>(highWatermarkHeapSize);
     return CHIP_NO_ERROR;
 }
@@ -89,12 +101,16 @@ CHIP_ERROR DiagnosticDataProviderImpl::ResetWatermarks()
     // If implemented, the server SHALL set the value of the CurrentHeapHighWatermark attribute to the
     // value of the CurrentHeapUsed.
 
+#if NXP_USE_MML
+    MEM_ResetFreeHeapSizeLowWaterMark();
+
+    return CHIP_NO_ERROR;
+#else
     // Not implement into the SDK
     // xPortResetHeapMinimumEverFreeHeapSize();
 
-    // return CHIP_NO_ERROR;
-
     return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE;
+#endif
 }
 
 CHIP_ERROR DiagnosticDataProviderImpl::GetThreadMetrics(ThreadMetrics ** threadMetricsOut)

src/platform/nxp/common/DiagnosticDataProviderImpl.h

@@ -39,6 +39,10 @@ class DiagnosticDataProviderImpl : public DiagnosticDataProvider
     static DiagnosticDataProviderImpl & GetDefaultInstance();
 
     // ===== Methods that implement the PlatformManager abstract interface.
+
+#if NXP_USE_MML
+    bool SupportsWatermarks() override { return true; }
+#endif
     CHIP_ERROR GetCurrentHeapFree(uint64_t & currentHeapFree) override;
     CHIP_ERROR GetCurrentHeapUsed(uint64_t & currentHeapUsed) override;
     CHIP_ERROR GetCurrentHeapHighWatermark(uint64_t & currentHeapHighWatermark) override;

src/platform/nxp/mcxw71_k32w1/BUILD.gn

@@ -90,10 +90,15 @@ config("nxp_platform_config") {
 
 static_library("nxp_platform") {
   deps = []
-  defines = [ "CHIP_DEVICE_K32W1=1" ]
+  defines = [
+    "CHIP_DEVICE_K32W1=1",
+    "NXP_USE_MML=1",
+  ]
 
   sources = [
     "../../SingletonConfigurationManager.cpp",
+    "../common/DiagnosticDataProviderImpl.cpp",
+    "../common/DiagnosticDataProviderImpl.h",
     "../common/ble/BLEManagerCommon.cpp",
     "../common/ble/BLEManagerCommon.h",
     "../common/ble/BLEManagerImpl.cpp",
@@ -104,8 +109,6 @@ static_library("nxp_platform") {
     "ConfigurationManagerImpl.h",
     "ConnectivityManagerImpl.cpp",
     "ConnectivityManagerImpl.h",
-    "DiagnosticDataProviderImpl.cpp",
-    "DiagnosticDataProviderImpl.h",
     "PlatformManagerImpl.cpp",
     "PlatformManagerImpl.h",
     "SystemTimeSupport.cpp",