3 files changed, 76 insertions, 0 deletions
diff --git a/include/display.h b/include/display.h
index b8afe38..2d74fce 100644
--- a/include/display.h
+++ b/include/display.h
@@ -92,4 +92,7 @@ void dsp_set_addr(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2);
  */
 void dsp_set_addr_read(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2);
 
+void dsp_sleep(void);
+void dsp_wakeup(void);
+
 #endif // DISPLAY_H_
diff --git a/include/fat32.h b/include/fat32.h
new file mode 100644
index 0000000..39d22f6
--- /dev/null
+++ b/include/fat32.h
@@ -0,0 +1,31 @@
+#ifndef FAT32_H_
+#define FAT32_H_
+
+#include <stdint.h>
+
+typedef struct {
+	uint32_t size;	
+	uint32_t start;
+} file_t;
+
+/**
+ * Finds a FAT partition on the SD card.
+ * @return non-zero if partition found
+ */
+int fat_find(void);
+
+/**
+ * Searches for the given file, returning necessary information to use it.
+ * @param name the file's name
+ * @return a file data structure, null if not found
+ */
+file_t *fat_findfile(const char *name);
+
+/**
+ * 
+ */
+char *fat_readfile(file_t *file);
+
+char *fat_getname(uint32_t index);
+
+#endif // FAT32_H_
diff --git a/include/sdcard.h b/include/sdcard.h
new file mode 100644
index 0000000..8cdef58
--- /dev/null
+++ b/include/sdcard.h
@@ -0,0 +1,42 @@
+/**
+ * @file sdcard.c
+ * Provides a basic library for accessing an SD card
+ *
+ * Copyright (C) 2018 Clyne Sullivan
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef SDCARD_H_
+#define SDCARD_H_
+
+#include <stdint.h>
+
+/**
+ * Attempts to initialize the SD card.
+ * Warning: Little to no error checking is done/handled properly.
+ */
+void sd_init(void);
+
+/**
+ * Reads in data from the SD card.
+ * LBAs are 512 bytes long.
+ * @param buf the pre-allocated buffer to store data in
+ * @param lba the lba to read from
+ * @param count the number of bytes to read
+ * @return the buffer
+ */
+uint8_t *sd_read(uint8_t *buf, uint32_t lba, uint32_t count);
+
+#endif // SDCARD_H_