bdk: consolidate ffsystem into bdk

bdk/libs/fatfs/ffsystem.c

@@ -0,0 +1,56 @@
+/*------------------------------------------------------------------------*/
+/* Sample Code of OS Dependent Functions for FatFs                        */
+/* (C) ChaN, 2018                                                         */
+/* (C) CTCaer, 2018-2024                                                  */
+/*------------------------------------------------------------------------*/
+
+#include <bdk.h>
+
+#include <libs/fatfs/ff.h>
+
+#if FF_USE_LFN == 3	/* Dynamic memory allocation */
+
+/*------------------------------------------------------------------------*/
+/* Allocate a memory block                                                */
+/*------------------------------------------------------------------------*/
+
+void* ff_memalloc (	/* Returns pointer to the allocated memory block (null if not enough core) */
+	UINT msize		/* Number of bytes to allocate */
+)
+{
+	return malloc(msize);	/* Allocate a new memory block with POSIX API */
+}
+
+
+/*------------------------------------------------------------------------*/
+/* Free a memory block                                                    */
+/*------------------------------------------------------------------------*/
+
+void ff_memfree (
+	void* mblock	/* Pointer to the memory block to free (nothing to do if null) */
+)
+{
+	free(mblock);	/* Free the memory block with POSIX API */
+}
+
+#endif
+
+#if FF_FS_NORTC == 0
+
+/*------------------------------------------------------------------------*/
+/* Get real time clock                                                    */
+/*------------------------------------------------------------------------*/
+
+DWORD get_fattime (
+	void
+)
+{
+	rtc_time_t time;
+
+	max77620_rtc_get_time_adjusted(&time);
+
+	return (((DWORD)(time.year - 1980) << 25) | ((DWORD)time.month << 21) | ((DWORD)time.day << 16) |
+		((DWORD)time.hour << 11) | ((DWORD)time.min << 5) | (time.sec >> 1));
+}
+
+#endif