feat(epicardium): Switch to malloc heap

Signed-off-by: Rahix <rahix@rahix.de>

epicardium/FreeRTOSConfig.h

@@ -12,8 +12,10 @@
 /* TODO: Adjust this for tickless idle */
 #define configTICK_RATE_HZ          ((portTickType)1000)
 
-/* Memory */
-#define configTOTAL_HEAP_SIZE       ((size_t)(26 * 1024))
+/* Memory
+ *
+ * Heap is managed by libc (heap_3.c).
+ */
 #define configMINIMAL_STACK_SIZE    ((unsigned short)128)
 
 #define configMAX_PRIORITIES        5

epicardium/meson.build

@@ -48,6 +48,7 @@ api_dispatcher_lib = static_library(
 freertos = static_library(
   'freertos',
   freertos_sources,
+  freertos_heap3,
   dependencies: periphdriver,
   include_directories: [
     freertos_includes,

hw-tests/hello-freertos/meson.build

@@ -3,6 +3,7 @@ name = 'hello-freertos'
 freertos = static_library(
   'freertos',
   freertos_sources,
+  freertos_heap2,
   freertos_cli_sources,
   dependencies: periphdriver,
   include_directories: [

lib/FreeRTOS/meson.build

@@ -13,5 +13,12 @@ freertos_sources = files(
   './Source/timers.c',
 
   './Source/portable/GCC/ARM_CM4F/port.c',
+)
+
+freertos_heap2 = files(
   './Source/portable/MemMang/heap_2.c',
 )
+
+freertos_heap3 = files(
+  './Source/portable/MemMang/heap_3.c',
+)