summaryrefslogtreecommitdiff
path: root/nuttx/configs/olimex-lpc1766stk/src/up_usbstrg.c
diff options
context:
space:
mode:
Diffstat (limited to 'nuttx/configs/olimex-lpc1766stk/src/up_usbstrg.c')
-rwxr-xr-xnuttx/configs/olimex-lpc1766stk/src/up_usbstrg.c143
1 files changed, 143 insertions, 0 deletions
diff --git a/nuttx/configs/olimex-lpc1766stk/src/up_usbstrg.c b/nuttx/configs/olimex-lpc1766stk/src/up_usbstrg.c
new file mode 100755
index 000000000..c4cacddd3
--- /dev/null
+++ b/nuttx/configs/olimex-lpc1766stk/src/up_usbstrg.c
@@ -0,0 +1,143 @@
+/****************************************************************************
+ * configs/olimex-lpc1766stk/src/up_usbstrg.c
+ *
+ * Copyright (C) 2010 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Configure and register the LPC17xx MMC/SD SPI block driver.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the name NuttX 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdio.h>
+#include <debug.h>
+#include <errno.h>
+
+#include <nuttx/spi.h>
+#include <nuttx/mmcsd.h>
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/* Configuration ************************************************************/
+
+#ifndef CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# define CONFIG_EXAMPLES_USBSTRG_DEVMINOR1 0
+#endif
+
+/* PORT and SLOT number probably depend on the board configuration */
+
+#ifdef CONFIG_ARCH_BOARD_LPC1766STK
+# undef LPC17XX_MMCSDSPIPORTNO
+# define LPC17XX_MMCSDSPIPORTNO 1
+# undef LPC17XX_MMCSDSLOTNO
+# define LPC17XX_MMCSDSLOTNO 0
+#else
+ /* Add configuration for new LPC17xx boards here */
+# error "Unrecognized LPC17xx board"
+#endif
+
+/* Debug ********************************************************************/
+
+#ifdef CONFIG_CPP_HAVE_VARARGS
+# ifdef CONFIG_DEBUG
+# define message(...) lib_lowprintf(__VA_ARGS__)
+# define msgflush()
+# else
+# define message(...) printf(__VA_ARGS__)
+# define msgflush() fflush(stdout)
+# endif
+#else
+# ifdef CONFIG_DEBUG
+# define message lib_lowprintf
+# define msgflush()
+# else
+# define message printf
+# define msgflush() fflush(stdout)
+# endif
+#endif
+
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: usbstrg_archinitialize
+ *
+ * Description:
+ * Perform architecture specific initialization
+ *
+ ****************************************************************************/
+
+int usbstrg_archinitialize(void)
+{
+ FAR struct spi_dev_s *spi;
+ int ret;
+
+ /* Get the SPI port */
+
+ message("usbstrg_archinitialize: Initializing SPI port %d\n",
+ LPC17XX_MMCSDSPIPORTNO);
+
+ spi = up_spiinitialize(1);
+ if (!spi)
+ {
+ message("usbstrg_archinitialize: Failed to initialize SPI port %d\n",
+ LPC17XX_MMCSDSPIPORTNO);
+ return -ENODEV;
+ }
+
+ message("usbstrg_archinitialize: Successfully initialized SPI port %d\n",
+ LPC17XX_MMCSDSPIPORTNO);
+
+ /* Bind the SPI port to the slot */
+
+ message("usbstrg_archinitialize: Binding SPI port %d to MMC/SD slot %d\n",
+ LPC17XX_MMCSDSPIPORTNO, LPC17XX_MMCSDSLOTNO);
+
+ ret = mmcsd_spislotinitialize(CONFIG_EXAMPLES_USBSTRG_DEVMINOR1, LPC17XX_MMCSDSLOTNO, spi);
+ if (ret < 0)
+ {
+ message("usbstrg_archinitialize: Failed to bind SPI port %d to MMC/SD slot %d: %d\n",
+ LPC17XX_MMCSDSPIPORTNO, LPC17XX_MMCSDSLOTNO, ret);
+ return ret;
+ }
+
+ message("usbstrg_archinitialize: Successfuly bound SPI port %d to MMC/SD slot %d\n",
+ LPC17XX_MMCSDSPIPORTNO, LPC17XX_MMCSDSLOTNO);
+ return OK;
+}