[epicardium] refactor LED to be in own module

epicardium/epicardium.h

@@ -12,6 +12,7 @@ API(API_UART_WRITE, void epic_uart_write_str(const char*str, intptr_t length));
 #define API_UART_READ  0x2
 API(API_UART_READ, char epic_uart_read_chr(void));
 
+// set LED color of led $led to color rgb
 #define API_LEDS_SET   0x3
 API(API_LEDS_SET, void epic_leds_set(int led, uint8_t r, uint8_t g, uint8_t b));
 

epicardium/main.c

@@ -16,13 +16,6 @@
 
 TaskHandle_t dispatcher_task_id;
 
-/* TODO: Move out of main.c */
-void epic_leds_set(int led, uint8_t r, uint8_t g, uint8_t b)
-{
-	leds_set(led, r, g, b);
-	leds_update();
-}
-
 /*
  * API dispatcher task.  This task will sleep until an API call is issued and
  * then wake up to dispatch it.

epicardium/meson.build

@@ -67,6 +67,7 @@ elf = executable(
   'main.c',
   'serial.c',
   'support.c',
+  'modules/leds.c',
   dependencies: [libcard10, max32665_startup_core0, maxusb],
   link_with: [api_dispatcher_lib, freertos],
   link_whole: [max32665_startup_core0_lib, board_card10_lib],

epicardium/modules/leds.c

+#include "leds.h"
+
+void epic_leds_set(int led, uint8_t r, uint8_t g, uint8_t b)
+{
+	leds_set(led, r, g, b);
+	leds_update();
+}
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