diff --git a/BaS_gcc/include/sd_card.h b/BaS_gcc/include/sd_card.h
new file mode 100644
index 0000000..236dcbd
--- /dev/null
+++ b/BaS_gcc/include/sd_card.h
@@ -0,0 +1,32 @@
+/*
+ * sd_card.h
+ *
+ * Exported sd-card access routines for the FireBee BaS
+ *
+ *  Created on: 19.11.2012
+ *      Author: mfro
+ */
+
+#ifndef SD_CARD_H_
+#define SD_CARD_H_
+
+#include <MCF5475.h>
+
+/*
+ * "standard value" for DSPI module configuration register MCF_DSPC_DMCR
+ */
+const uint32_t DSPI_DMCR_CONF = MCF_DSPI_DMCR_MSTR |	/* FireBee is DSPI master*/	/* 8 bit CS5 on */
+			MCF_DSPI_DMCR_CSIS3 |	/* CS3 inactive */
+			MCF_DSPI_DMCR_CSIS2 |	/* CS2 inactive */
+			MCF_DSPI_DMCR_DTXF |	/* disable transmit FIFO */
+			MCF_DSPI_DMCR_DRXF |	/* disable receive FIFO */
+			MCF_DSPI_DMCR_CTXF |	/* clear transmit FIFO */
+			MCF_DSPI_DMCR_CRXF;		/* clear receive FIFO */
+			/* 0x800d3c00 */
+
+extern int sd_card_init(void);
+extern uint32_t sd_com(uint32_t data);
+extern void sd_card_idle(void);
+
+
+#endif /* SD_CARD_H_ */
diff --git a/BaS_gcc/sources/sd_card.c b/BaS_gcc/sources/sd_card.c
index cc270de..ab4ba46 100644
--- a/BaS_gcc/sources/sd_card.c
+++ b/BaS_gcc/sources/sd_card.c
@@ -5,6 +5,7 @@
 #include <stdint.h>
 #include <MCF5475.h>
 #include "bas_printf.h"
+#include "sd_card.h"
 
 extern void wait(volatile uint32_t value);
 
@@ -62,15 +63,6 @@ uint32_t sd_com(uint32_t data)
 void sd_card_init(void)
 {
 	uint32_t ret;
-	const uint32_t DSPI_DMCR_CONF = MCF_DSPI_DMCR_MSTR |	/* FireBee is DSPI master*/	/* 8 bit CS5 on */
-			MCF_DSPI_DMCR_CSIS3 |	/* CS3 inactive */
-			MCF_DSPI_DMCR_CSIS2 |	/* CS2 inactive */
-			MCF_DSPI_DMCR_DTXF |	/* disable transmit FIFO */
-			MCF_DSPI_DMCR_DRXF |	/* disable receive FIFO */
-			MCF_DSPI_DMCR_CTXF |	/* clear transmit FIFO */
-			MCF_DSPI_DMCR_CRXF;		/* clear receive FIFO */
-			/* 0x800d3c00 */
-
 	int i;
 
 	xprintf("SD-Card initialization: ");