build(epicardium): Create own meson file for modules

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

epicardium/meson.build

@@ -61,13 +61,15 @@ freertos = static_library(
 #
 ##########################################################################
 
+subdir('modules/')
+
 elf = executable(
   name + '.elf',
   'cdcacm.c',
   'main.c',
   'serial.c',
   'support.c',
-  'modules/leds.c',
+  module_sources,
   dependencies: [libcard10, max32665_startup_core0, maxusb],
   link_with: [api_dispatcher_lib, freertos],
   link_whole: [max32665_startup_core0_lib, board_card10_lib],

epicardium/modules/meson.build

+module_sources = files(
+  'leds.c',
+)