Set default PMR

.github/workflows/build.yml

@@ -29,7 +29,7 @@ jobs:
 
       - name: get nunavut
         run: >
-          pip install git+https://github.com/OpenCyphal/nunavut.git@7f62204ddec9e5d4fbe4a969f9fcdfd5d045d35b
+          pip install git+https://github.com/OpenCyphal/nunavut.git@3.0.preview
 
       - name: Configure CMake
         run: cmake -B ${{github.workspace}}/libcyphal_demo/build -DCMAKE_BUILD_TYPE=${{matrix.build_type}} ${{github.workspace}}/libcyphal_demo

libcyphal_demo/README.md

@@ -15,7 +15,12 @@ This document will walk you through the process of building, running, and evalua
 on a GNU/Linux-based OS.
 It can be easily ported to another platform, such as a baremetal MCU,
 by replacing the POSIX socket API and stdio with suitable alternatives;
-for details, please consult with `udp.h` and `storage.h`. **FIXME**
+for details, please consult with:
+- `platform/posix/udp/*` files regarding UDP transport
+- `platform/linux/can/*` files regarding CAN transport
+- `platform/linux/epoll_single_threaded_executor.hpp` file regarding the executor
+- `platform/storage.hpp` file regarding the non-volatile storage
+- `platform/o1_heap_memory_resource.hpp` file regarding the memory resource
 
 ## Preparation
 

libcyphal_demo/src/application.cpp

@@ -36,6 +36,8 @@ Application::Application()
     , registry_{o1_heap_mr_}
     , regs_{registry_}
 {
+    cetl::pmr::set_default_resource(&o1_heap_mr_);
+
     load(storage_, registry_);
 
     // Maybe override some of the registry values with environment variables.
@@ -67,6 +69,8 @@ Application::~Application()
               << "  peak_allocated=" << mr_diag.peak_allocated << "\n"
               << "  peak_request_size=" << mr_diag.peak_request_size << "\n"
               << "  oom_count=" << mr_diag.oom_count << "\n";
+
+    cetl::pmr::set_default_resource(cetl::pmr::new_delete_resource());
 }
 
 /// Returns the 128-bit unique-ID of the local node. This value is used in `uavcan.node.GetInfo.Response`.