Add STM32 FLASH driver

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3573 42af7a65-404d-4744-a932-0658087f49c3

2 files changed, 144 insertions, 1 deletions

diff --git a/nuttx/include/apps/apps.h b/nuttx/include/apps/apps.h
index 866db8e29..d494500d1 100644
--- a/nuttx/include/apps/apps.h
+++ b/nuttx/include/apps/apps.h
@@ -139,7 +139,7 @@ EXTERN const char *namedapp_getname(int index);
  *
  ****************************************************************************/
 
-EXTERN int exec_namedapp(FAR const char *appname, FAR const char *argv[]);
+EXTERN int exec_namedapp(FAR const char *appname, FAR const char **argv);
 
 #undef EXTERN
 #if defined(__cplusplus)
diff --git a/nuttx/include/nuttx/progmem.h b/nuttx/include/nuttx/progmem.h
new file mode 100644
index 000000000..e9e05ed2c
--- /dev/null
+++ b/nuttx/include/nuttx/progmem.h
@@ -0,0 +1,143 @@
+/****************************************************************************
+ * include/nuttx/progmem.h
+ *
+ *   Copyright(C) 2011 Uros Platise. All rights reserved.
+ *   Author: Uros Platise <uros.platise@isotel.eu>
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+#ifndef __INCLUDE_NUTTX_PROGMEM_H
+#define __INCLUDE_NUTTX_PROGMEM_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <stdbool.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#undef EXTERN
+#if defined(__cplusplus)
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/* Return number of pages */
+
+uint16_t up_progmem_npages(void);
+
+/* Is program memory uniform or page size differs */
+
+bool up_progmem_isuniform(void);
+
+/* Return page size */
+
+uint16_t up_progmem_pagesize(uint16_t page);
+
+/* Address to page conversion 
+ *  \param addr Address without flash offet (aligned to page0)
+ *  \return Page or negative value on error
+ * 
+ * The following errors are reported (errno is not set!)
+ *  - EFAULT: On invalid address
+ */
+
+int up_progmem_getpage(uint32_t addr);
+
+/* Erase selected page. 
+ *  \return page size or negative value on error
+ * 
+ * The following errors are reported (errno is not set!)
+ *  - EFAULT: On invalid page
+ *  - EIO: On unsuccessful erase
+ *  - EROFS: On access to write protected area
+ *  - EACCES: Insufficient permissions (read/write protected)
+ *  - EPERM: If operation is not permitted due to some other constraints
+ *    (i.e. some internal block is not running etc.)
+ */
+
+int up_progmem_erasepage(uint16_t page);
+
+/* Checks whether page is erased 
+ * 
+ * Returns number of bytes written or negative value on error.
+ * If it returns zero then complete page is empty (erased).
+ *
+ * The following errors are reported (errno is not set!)
+ *  - EFAULT: On invalid page
+ */
+
+int up_progmem_ispageerased(uint16_t page);
+
+/* Program data at given address 
+ *  \return bytes written or negative value on error 
+ *  \param addr Address without flash offet (aligned to page0)
+ *  \param buf Pointer to buffer
+ *  \param count Number of bytes to write
+ * 
+ * Note: this function is not limited to single page and nor it requires
+ *   the address be aligned inside the page boundaries.
+ * 
+ * The following errors are reported (errno is not set!)
+ *  - EINVAL: if count is not aligned with the flash boundaries (i.e.
+ *    some MCU's require per half-word or even word access)
+ *  - EFAULT: On invalid address
+ *  - EIO: On unsuccessful write
+ *  - EROFS: On access to write protected area
+ *  - EACCES: Insufficient permissions (read/write protected)
+ *  - EPERM: If operation is not permitted due to some other constraints
+ *    (i.e. some internal block is not running etc.)
+ */
+
+int up_progmem_write(uint32_t addr, const void *buf, size_t count);
+
+/* \todo: Define the following functions and their options:
+ *  - up_progmem_protect() 
+ *  - up_progmem_unprotect()
+ */
+
+#undef EXTERN
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* __INCLUDE_NUTTX_PROGMEM_H */