Firmware: Add cppmem module.

This module redirects `malloc` and `free` calls to MicroPython's heap, allowing C++ code and MicroPython's "greedy heap" to coexist. See: micropython/micropython#11116
pimoroni · Mar 28, 2023 · 62deec7 · 62deec7
1 parent 1f62955
commit 62deec7
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Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/firmware/PIMORONI_BADGER2040/micropython.cmake b/firmware/PIMORONI_BADGER2040/micropython.cmake
@@ -39,6 +39,10 @@ target_compile_definitions(usermod_wakeup INTERFACE
     -DWAKEUP_PIN_VALUE=0b10000000000000010000000000
 )
 
+# Note: cppmem is *required* for C++ code to function on MicroPython
+# it redirects `malloc` and `free` calls to MicroPython's heap
+include(cppmem/micropython)
+
 # LEDs & Matrices
 include(plasma/micropython)
 

diff --git a/firmware/PIMORONI_BADGER2040W/micropython.cmake b/firmware/PIMORONI_BADGER2040W/micropython.cmake
@@ -40,6 +40,10 @@ target_compile_definitions(usermod_wakeup INTERFACE
     -DWAKEUP_PIN_VALUE=0b10000000000010000000000
 )
 
+# Note: cppmem is *required* for C++ code to function on MicroPython
+# it redirects `malloc` and `free` calls to MicroPython's heap
+include(cppmem/micropython)
+
 # LEDs & Matrices
 include(plasma/micropython)
 
@@ -49,5 +53,5 @@ include(servo/micropython)
 include(encoder/micropython)
 include(motor/micropython)
 
-# version.py and pimoroni.py
+# version.py, pimoroni.py and boot.py
 include(modules_py/modules_py)