added sd card support.

platform/msb430/dev/sd/sd_info.c

@@ -0,0 +1,86 @@
+
+/*
+Copyright 2007, Freie Universitaet Berlin. All rights reserved.
+
+These sources were developed at the Freie Universität Berlin, Computer
+Systems and Telematics group.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+- Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+ 
+- Neither the name of Freie Universitaet Berlin (FUB) nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+This software is provided by FUB and the contributors on an "as is"
+basis, without any representations or warranties of any kind, express
+or implied including, but not limited to, representations or
+warranties of non-infringement, merchantability or fitness for a
+particular purpose. In no event shall FUB or contributors be liable
+for any direct, indirect, incidental, special, exemplary, or
+consequential damages (including, but not limited to, procurement of
+substitute goods or services; loss of use, data, or profits; or
+business interruption) however caused and on any theory of liability,
+whether in contract, strict liability, or tort (including negligence
+or otherwise) arising in any way out of the use of this software, even
+if advised of the possibility of such damage.
+
+This implementation was developed by the CST group at the FUB.
+
+For documentation and questions please use the web site
+http://scatterweb.mi.fu-berlin.de and the mailinglist
+scatterweb@lists.spline.inf.fu-berlin.de (subscription via the Website).
+Berlin, 2007
+*/
+
+/**
+ * @file	ScatterWeb.sd.info.c
+ * @ingroup	libsd
+ * @brief	MMC-/SD-Card library, Additional Information
+ * 
+ * @author	Michael Baar	<baar@inf.fu-berlin.de>
+ * @date	Feb 2007
+ * @version	0.2
+ */
+
+/**
+ * @addtogroup	libsd
+ * @{
+ */
+#include "sd_internals.h"
+#include "sd.h"
+
+uint16_t
+sd_read_cid(sd_cid_t * pCID)
+{
+  return sd_read_register(pCID, SD_CMD_SEND_CID, sizeof (sd_cid_t));
+}
+
+unsigned long
+sd_get_size(void)
+{
+  uint32_t size = 0;
+
+  if (uart_lock(UART_MODE_SPI)) {
+    sd_csd_t csd;
+
+    if (sd_read_register(&csd, SD_CMD_SEND_CSD, sizeof (sd_csd_t))) {
+      size = SD_CSD_C_SIZE(csd) + 1;
+      size <<= SD_CSD_C_MULT(csd);
+      size <<= 2;
+      size <<= sd_state.MaxBlockLen_bit;
+    }
+    uart_unlock(UART_MODE_SPI);
+  }
+  return size;
+}
+
+/** @} */