From 65a6ec4693caf0be1a2da3d70b2a42c2e75dbf64 Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Sat, 7 May 2011 16:59:20 +0000
Subject: [PATCH] Add STM32 FLASH driver
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3573 42af7a65-404d-4744-a932-0658087f49c3
---
ChangeLog | 2 +
Documentation/NuttxPortingGuide.html | 47 +++-
TODO | 37 ++--
arch/arm/src/stm32/Make.defs | 5 +-
arch/arm/src/stm32/chip/stm32_flash.h | 115 ++++++++++
arch/arm/src/stm32/stm32_flash.c | 228 ++++++++++++++++++++
arch/arm/src/stm32/stm32_flash.h | 62 +-----
arch/arm/src/stm32/stm32_rcc.c | 4 +-
configs/README.txt | 299 ++++++++++++++------------
configs/vsn/nsh/defconfig | 14 +-
configs/vsn/src/sif.c | 33 ++-
configs/vsn/src/sysclock.c | 4 +-
include/apps/apps.h | 2 +-
include/nuttx/progmem.h | 143 ++++++++++++
sched/atexit.c | 2 +-
sched/clock_systimer.c | 2 +-
16 files changed, 751 insertions(+), 248 deletions(-)
create mode 100755 arch/arm/src/stm32/chip/stm32_flash.h
create mode 100644 arch/arm/src/stm32/stm32_flash.c
create mode 100644 include/nuttx/progmem.h
diff --git a/ChangeLog b/ChangeLog
index e9174fb530..cbe05adaa1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1727,5 +1727,7 @@
* Remove clock_getutc(). It is replaces with clock_gettime(CLOCK_ACTIVETIME).
Add other RTC related changes provided by Uros Platise.
+ * arch/arm/src/stm32/stm32_flash.c: Add support for access to on-chp STM32
+ FLASH; beginning of integration with NXFFS (Uros Platise).
diff --git a/Documentation/NuttxPortingGuide.html b/Documentation/NuttxPortingGuide.html
index c7a56927fb..70bdab5379 100644
--- a/Documentation/NuttxPortingGuide.html
+++ b/Documentation/NuttxPortingGuide.html
@@ -12,7 +12,7 @@
<h1><big><font color="#3c34ec">
<i>NuttX RTOS Porting Guide</i>
</font></big></h1>
- <p>Last Updated: April 14, 2011</p>
+ <p>Last Updated: May 6, 2011</p>
</td>
</tr>
</table>
@@ -886,6 +886,9 @@ fs/
|-- fat/
| |-- Make.defs
| `-- <i>(fat file system source files)</i>
+|-- nxffs/
+| |-- Make.defs
+| `-- <i>(NXFFS file system source files)</i>
|-- romfs/
| |-- Make.defs
| `-- <i>(romfs file system source files)</i>
@@ -1949,7 +1952,8 @@ extern void up_ledoff(int led);
NuttX supports the standard <code>mount()</code> command that allows
a block driver to be bound to a mountpoint within the pseudo file system
and to a file system.
- At present, NuttX supports only the VFAT file system.
+ At present, NuttX supports the standard VFAT and ROMFS file systems and
+ well as a special, wear-leveling NuttX FLASH File System (NXFFS).
</p>
<p><b>Comparison to Linux</b>
@@ -3120,7 +3124,7 @@ build
<li>
<code>CONFIG_NXFLAT</code>: Enable support for the NXFLAT binary format.
This format will support execution of NuttX binaries located
- in a ROMFS filesystem (see <code>apps/examples/nxflat</code>).
+ in a ROMFS file system (see <code>apps/examples/nxflat</code>).
</li>
<li>
<code>CONFIG_SCHED_WORKQUEUE</code>: Create a dedicated "worker" thread to
@@ -3435,13 +3439,46 @@ build
<h2>File Systems</h2>
<ul>
<li>
- <code>CONFIG_FS_FAT</code>: Enable FAT filesystem support.
+ <code>CONFIG_FS_FAT</code>: Enable FAT file system support.
</li>
<li>
<code>CONFIG_FAT_SECTORSIZE</code>: Max supported sector size.
</li>
<li>
- <code>CONFIG_FS_ROMFS</code>: Enable ROMFS filesystem support
+ <code>CONFIG_FS_NXFFS</code>: Enable NuttX FLASH file system (NXFF) support.
+ </li>
+ <li>
+ <code>CONFIG_NXFFS_ERASEDSTATE</code>: The erased state of FLASH.
+ This must have one of the values of <code>0xff</code> or <code>0x00</code>.
+ Default: <code>0xff</code>.
+ </li>
+ <li>
+ <code>CONFIG_NXFFS_PACKTHRESHOLD</code>: When packing flash file data,
+ don't both with file chunks smaller than this number of data bytes.
+ Default: 32.
+ </li>
+ <li>
+ <code>CONFIG_NXFFS_MAXNAMLEN</code>: The maximum size of an NXFFS file name.
+ Default: 255.
+ </li>
+ <li>
+ <code>CONFIG_NXFFS_PACKTHRESHOLD</code>: When packing flash file data,
+ don't both with file chunks smaller than this number of data bytes.
+ Default: 32.
+ </li>
+ <li>
+ <code>CONFIG_NXFFS_TAILTHRESHOLD</code>: clean-up can either mean
+ packing files together toward the end of the file or, if file are
+ deleted at the end of the file, clean up can simply mean erasing
+ the end of FLASH memory so that it can be re-used again. However,
+ doing this can also harm the life of the FLASH part because it can
+ mean that the tail end of the FLASH is re-used too often. This
+ threshold determines if/when it is worth erased the tail end of FLASH
+ and making it available for re-use (and possible over-wear).
+ Default: 8192.
+ </li>
+ <li>
+ <code>CONFIG_FS_ROMFS</code>: Enable ROMFS file system support
</li>
</ul>
diff --git a/TODO b/TODO
index 23e9c72004..0022dd72b0 100644
--- a/TODO
+++ b/TODO
@@ -1,4 +1,4 @@
-NuttX TODO List (Last updated April 19 2011)
+NuttX TODO List (Last updated May 6, 2011)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
nuttx/
@@ -14,7 +14,7 @@ nuttx/
(2) USB (drivers/usbdev, drivers/usbhost)
(5) Libraries (lib/)
(13) File system/Generic drivers (fs/, drivers/)
- (2) Graphics subystem (graphics/)
+ (1) Graphics subystem (graphics/)
(1) Pascal add-on (pcode/)
(1) Documentation (Documentation/)
(4) Build system / Toolchains
@@ -23,7 +23,7 @@ nuttx/
(1) ARM/C5471 (arch/arm/src/c5471/)
(3) ARM/DM320 (arch/arm/src/dm320/)
(2) ARM/i.MX (arch/arm/src/imx/)
- (4) ARM/LPC17xx (arch/arm/src/lpc17xx/)
+ (3) ARM/LPC17xx (arch/arm/src/lpc17xx/)
(7) ARM/LPC214x (arch/arm/src/lpc214x/)
(2) ARM/LPC313x (arch/arm/src/lpc313x/)
(3) ARM/STR71x (arch/arm/src/str71x/)
@@ -53,6 +53,8 @@ o Task/Scheduler (sched/)
Description: atexit() supports registration of one function called on exit().
Should task_delete() also cause atexit() function to be called?
+ Update: atexit() is only built into the system if CONFIG_SCHED_ATEXT
+ is defined in the configuration.
Status: Open
Priority: Low, task_delete() is non-standard and its behavior is
unspecified.
@@ -64,6 +66,9 @@ o Task/Scheduler (sched/)
Description: Implement sys/wait.h and functions. Consider implementing wait,
waitpid, waitid. At present, a parent has no information about
child tasks.
+ Update: A simple but usable version of waitpid() has been included.
+ This version is not compliant with all specifications and can be
+ enabled with CONFIG_SCHED_WAITPID.
Status: Open
Priority: Low
@@ -182,7 +187,7 @@ o Binary loaders (binfmt/)
Status: Open
Priority: Low
- Description: Windows build issue. Almost all configurations that use NXFLAT have
+ Description: Windows build issue. Some of the configurations that use NXFLAT have
the linker script specified like this:
NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat.ld -no-check-sections
@@ -226,7 +231,7 @@ o Network (net/, drivers/net)
Priority: Medium, The feature is not important, but it is important
for NuttX to resolve the architectural issues.
- Description: Sendoto() and multiple network interface support:
+ Description: sendto() and multiple network interface support:
When polled, would have to assure that the destination IP
is on the subnet served by the polling driver.
Status: Open
@@ -457,7 +462,7 @@ o File system / Generic drivers (fs/, drivers/)
Status: Open
Priority: Low
- Description: Time stamping is no implemented in the NuttX FA file system.
+ Description: Time stamping is not implemented in the NuttX FA file system.
See the following functions in fs/fat/fs_fat32util.c:
fat_systime2fattime() and fat_fattime2systime()
Status: Open
@@ -466,14 +471,6 @@ o File system / Generic drivers (fs/, drivers/)
o Graphics subystem (graphics/)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- Description: If CONFIG_NX is enabled, the build fails the first time
- saying that there is "No rule to make target..." for one of the
- auto-generated graphics files. This is a nuisance, but if you
- simply build again (with the source files already auto-generated)
- the problem does not reoccur.
- Status: Open
- Priority: Low, the work-around is simple
-
Description: Testing of all APIs is not complete. See
http://nuttx.sourceforge.net/NXGraphicsSubsystem.html#testcoverage
Status: Open
@@ -662,10 +659,10 @@ o ARM/DM320 (arch/arm/src/dm320/)
o ARM/i.MX (arch/arm/src/imx/)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- Description: The basic port of the i.MX1 architecuture is underway. The port
+ Description: The basic port of the i.MX1 architecuture was never finished. The port
is incomplete (as of this writing, is still lacks a timer, interrupt
decoding, USB, network) and untested.
- Status: Open (and in work)
+ Status: Open
Priority: Medium (high if you need i.MX1/L support)
Description: SPI methods are not thread safe. Needs a semaphore to protect from re-entrancy.
@@ -697,14 +694,6 @@ o ARM/LPC17xx (arch/arm/src/lpc17xx/)
Status: Open
Priority: Medium-Low (unless you need the display on the LPC1766STK!)
- Description: SLIP (Configuration olimex-lpc1766stk/slip-httpd) only works with VERBOSE
- debug disabled. For some reason, certain debug statements hang(?).
- Also, this example does not use UART1's hardware flow control. UART1
- hardware flow control is partially implemented but does not behave as
- expected. Hardware flow control needs a little more work.
- Status: Open
- Priority: Low
-
o ARM/LPC214x (arch/arm/src/lpc214x/)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
diff --git a/arch/arm/src/stm32/Make.defs b/arch/arm/src/stm32/Make.defs
index 6b0114dcb7..1a96934720 100755
--- a/arch/arm/src/stm32/Make.defs
+++ b/arch/arm/src/stm32/Make.defs
@@ -45,8 +45,9 @@ CMN_CSRCS = up_allocateheap.c up_assert.c up_blocktask.c up_copystate.c \
up_usestack.c up_doirq.c up_hardfault.c up_svcall.c
CHIP_ASRCS =
-CHIP_CSRCS = stm32_start.c stm32_rcc.c stm32_gpio.c stm32_idle.c \
+CHIP_CSRCS = stm32_start.c stm32_rcc.c stm32_gpio.c stm32_flash.c \
stm32_irq.c stm32_timerisr.c stm32_dma.c stm32_lowputc.c \
stm32_serial.c stm32_spi.c stm32_usbdev.c stm32_sdio.c \
- stm32_tim.c stm32_i2c.c stm32_pwr.c stm32_rtc.c stm32_waste.c
+ stm32_tim.c stm32_i2c.c stm32_pwr.c stm32_rtc.c \
+ stm32_idle.c stm32_waste.c
diff --git a/arch/arm/src/stm32/chip/stm32_flash.h b/arch/arm/src/stm32/chip/stm32_flash.h
new file mode 100755
index 0000000000..018d3e8abd
--- /dev/null
+++ b/arch/arm/src/stm32/chip/stm32_flash.h
@@ -0,0 +1,115 @@
+/************************************************************************************
+ * arch/arm/src/stm32/chip/stm32_flash.h
+ *
+ * Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * 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 __ARCH_ARM_SRC_STM32_CHIP_STM32_FLASH_H
+#define __ARCH_ARM_SRC_STM32_CHIP_STM32_FLASH_H
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+
+#ifdef CONFIG_STM32_LOWDENSITY
+# define STM32_FLASH_NPAGES 32
+# define STM32_FLASH_PAGESIZE 1024
+#elif CONFIG_STM32_MEDIUMDENSITY
+# define STM32_FLASH_NPAGES 128
+# define STM32_FLASH_PAGESIZE 1024
+#elif CONFIG_STM32_CONNECTIVITYLINE
+# define STM32_FLASH_NPAGES 128
+# define STM32_FLASH_PAGESIZE 2048
+#elif CONFIG_STM32_HIGHDENSITY
+# define STM32_FLASH_NPAGES 256
+# define STM32_FLASH_PAGESIZE 2048
+#endif
+
+#define STM32_FLASH_SIZE (STM32_FLASH_NPAGES * STM32_FLASH_PAGESIZE)
+
+/* Register Offsets *****************************************************************/
+
+#define STM32_FLASH_ACR_OFFSET 0x0000
+#define STM32_FLASH_KEYR_OFFSET 0x0004
+#define STM32_FLASH_OPTKEYR_OFFSET 0x0008
+#define STM32_FLASH_SR_OFFSET 0x000c
+#define STM32_FLASH_CR_OFFSET 0x0010
+#define STM32_FLASH_AR_OFFSET 0x0014
+#define STM32_FLASH_OBR_OFFSET 0x001c
+#define STM32_FLASH_WRPR_OFFSET 0x0020
+
+/* Register Addresses ***************************************************************/
+
+#define STM32_FLASH_ACR (STM32_FLASHIF_BASE+STM32_FLASH_ACR_OFFSET)
+#define STM32_FLASH_KEYR (STM32_FLASHIF_BASE+STM32_FLASH_KEYR_OFFSET)
+#define STM32_FLASH_OPTKEYR (STM32_FLASHIF_BASE+STM32_FLASH_OPTKEYR_OFFSET)
+#define STM32_FLASH_SR (STM32_FLASHIF_BASE+STM32_FLASH_SR_OFFSET)
+#define STM32_FLASH_CR (STM32_FLASHIF_BASE+STM32_FLASH_CR_OFFSET)
+#define STM32_FLASH_AR (STM32_FLASHIF_BASE+STM32_FLASH_AR_OFFSET)
+#define STM32_FLASH_OBR (STM32_FLASHIF_BASE+STM32_FLASH_OBR_OFFSET)
+#define STM32_FLASH_WRPR (STM32_FLASHIF_BASE+STM32_FLASH_WRPR_OFFSET)
+
+/* Register Bitfield Definitions ****************************************************/
+/* TODO: Complete FLASH details from the STM32F10xxx Flash programming manual. */
+
+/* Flash Status Register (SR) */
+
+#define FLASH_SR_BSY (1 << 0) /* Busy */
+#define FLASH_SR_PGERR (1 << 2) /* Programming Error */
+#define FLASH_SR_WRPRT_ERR (1 << 4) /* Write Protection Error */
+#define FLASH_SR_EOP (1 << 5) /* End of Operation */
+
+/* Flash Control Register (CR) */
+
+#define FLASH_CR_PG (1 << 0) /* Program Page */
+#define FLASH_CR_PER (1 << 1) /* Page Erase */
+#define FLASH_CR_MER (1 << 2) /* Mass Erase */
+#define FLASH_CR_OPTPG (1 << 4) /* Option Byte Programming */
+#define FLASH_CR_OPTER (1 << 5) /* Option Byte Erase */
+#define FLASH_CR_STRT (1 << 6) /* Start Erase */
+#define FLASH_CR_LOCK (1 << 7) /* Page Locked or Lock Page */
+#define FLASH_CR_OPTWRE (1 << 9) /* Option Bytes Write Enable */
+#define FLASH_CR_ERRIE (1 << 10) /* Error Interrupt Enable */
+#define FLASH_CR_EOPIE (1 << 12) /* End of Program Interrupt Enable */
+
+/* Flash Access Control Register (ACR) */
+
+#define FLASH_ACR_LATENCY_SHIFT (0)
+#define FLASH_ACR_LATENCY_MASK (7 << FLASH_ACR_LATENCY_SHIFT)
+# define FLASH_ACR_LATENCY_0 (0 << FLASH_ACR_LATENCY_SHIFT) /* FLASH Zero Latency cycle */
+# define FLASH_ACR_LATENCY_1 (1 << FLASH_ACR_LATENCY_SHIFT) /* FLASH One Latency cycle */
+# define FLASH_ACR_LATENCY_2 (2 << FLASH_ACR_LATENCY_SHIFT) /* FLASH Two Latency cycles */
+#define FLASH_ACR_HLFCYA (1 << 3) /* FLASH half cycle access */
+#define FLASH_ACR_PRTFBE (1 << 4) /* FLASH prefetch enable */
+
+#endif /* __ARCH_ARM_SRC_STM32_CHIP_STM32_FLASH_H */
+
diff --git a/arch/arm/src/stm32/stm32_flash.c b/arch/arm/src/stm32/stm32_flash.c
new file mode 100644
index 0000000000..7c63ca2c17
--- /dev/null
+++ b/arch/arm/src/stm32/stm32_flash.c
@@ -0,0 +1,228 @@
+/************************************************************************************
+ * arch/arm/src/stm32/stm32_flash.c
+ *
+ * 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.
+ *
+ ************************************************************************************/
+
+/** \file
+ * \author Uros Platise
+ * \brief STM32 Flash - Program and Data Memory
+ *
+ * Provides standard flash access function, to be used also by the
+ * drivers/mtd/progmem.c program memory flash mtd driver.
+ * The interface is to be defined in the include/nuttx/progmem.h
+ *
+ * Requirements:
+ * - During write/erase operatoins on FLASH, HSI must be ON.
+ * - Low Power Modes are not permitted during write/erase
+ */
+
+#include <nuttx/config.h>
+#include <nuttx/arch.h>
+#include <errno.h>
+
+#include "stm32_flash.h"
+#include "stm32_rcc.h"
+#include "stm32_waste.h"
+#include "up_arch.h"
+
+
+/************************************************************************************
+ * Declarations
+ ************************************************************************************/
+
+#define FLASH_KEY1 0x45670123
+#define FLASH_KEY2 0xCDEF89AB
+
+
+/************************************************************************************
+ * Private Functions
+ ************************************************************************************/
+
+void stm32_flash_unlock(void)
+{
+ while( getreg32(STM32_FLASH_SR) & FLASH_SR_BSY ) up_waste();
+
+ if ( getreg32(STM32_FLASH_CR) & FLASH_CR_LOCK ) {
+
+ /* Unlock sequence */
+
+ putreg32(FLASH_KEY1, STM32_FLASH_KEYR);
+ putreg32(FLASH_KEY2, STM32_FLASH_KEYR);
+ }
+}
+
+
+void stm32_flash_lock(void)
+{
+ modifyreg16(STM32_FLASH_CR, 0, FLASH_CR_LOCK);
+}
+
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+uint16_t up_progmem_npages(void)
+{
+ return STM32_FLASH_NPAGES;
+}
+
+
+bool up_progmem_isuniform(void)
+{
+ return TRUE;
+}
+
+
+uint16_t up_progmem_pagesize(uint16_t page)
+{
+ return STM32_FLASH_PAGESIZE;
+}
+
+
+int up_progmem_getpage(uint32_t addr)
+{
+ if (addr >= STM32_FLASH_SIZE)
+ return -EFAULT;
+
+ return addr / STM32_FLASH_PAGESIZE;
+}
+
+
+int up_progmem_erasepage(uint16_t page)
+{
+ uint32_t addr;
+ uint16_t count;
+
+ if (page >= STM32_FLASH_NPAGES)
+ return -EFAULT;
+
+ /* Get flash ready and begin erasing single page */
+
+ if ( !(getreg32(STM32_RCC_CR) & RCC_CR_HSION) )
+ return -EPERM;
+
+ stm32_flash_unlock();
+
+ modifyreg32(STM32_FLASH_CR, 0, FLASH_CR_PER);
+ putreg32(page * STM32_FLASH_PAGESIZE, STM32_FLASH_AR);
+ modifyreg32(STM32_FLASH_CR, 0, FLASH_CR_STRT);
+
+ while( getreg32(STM32_FLASH_SR) & FLASH_SR_BSY ) up_waste();
+
+ modifyreg32(STM32_FLASH_CR, FLASH_CR_PER, 0);
+
+ /* Verify */
+
+ for (addr = page * STM32_FLASH_PAGESIZE + STM32_FLASH_BASE, count = STM32_FLASH_PAGESIZE;
+ count; count-=4, addr += 4) {
+
+ if (getreg32(addr) != 0xFFFFFFFF)
+ return -EIO;
+ }
+
+ return STM32_FLASH_PAGESIZE;
+}
+
+
+int up_progmem_ispageerased(uint16_t page)
+{
+ uint32_t addr;
+ uint16_t count;
+ uint16_t bwritten = 0;
+ uint16_t hword;
+
+ if (page >= STM32_FLASH_NPAGES)
+ return -EFAULT;
+
+ /* Verify */
+
+ for (addr = page * STM32_FLASH_PAGESIZE + STM32_FLASH_BASE, count = STM32_FLASH_PAGESIZE;
+ count; count--, addr++) {
+
+ if (getreg8(addr) != 0xFF) bwritten++;
+ }
+
+ return bwritten;
+}
+
+
+int up_progmem_write(uint32_t addr, const void *buf, size_t count)
+{
+ uint16_t *hword = (uint16_t *)buf;
+ size_t written = count;
+
+ /* STM32 requires half-word access */
+
+ if (count & 1)
+ return -EINVAL;
+
+ /* Check for valid address range */
+
+ if ( (addr+count) >= STM32_FLASH_SIZE)
+ return -EFAULT;
+
+ /* Get flash ready and begin flashing */
+
+ if ( !(getreg32(STM32_RCC_CR) & RCC_CR_HSION) )
+ return -EPERM;
+
+ stm32_flash_unlock();
+
+ modifyreg32(STM32_FLASH_CR, 0, FLASH_CR_PG);
+
+ for (addr += STM32_FLASH_BASE; count; count--, hword++, addr+=2) {
+
+ /* Write half-word and wait to complete */
+
+ putreg16(*hword, addr);
+
+ while( getreg32(STM32_FLASH_SR) & FLASH_SR_BSY ) up_waste();
+
+ /* Verify */
+
+ if (getreg32(STM32_FLASH_SR) & FLASH_SR_WRPRT_ERR) {
+ modifyreg32(STM32_FLASH_CR, FLASH_CR_PG, 0);
+ return -EROFS;
+ }
+
+ if (getreg16(addr) != *hword) {
+ modifyreg32(STM32_FLASH_CR, FLASH_CR_PG, 0);
+ return -EIO;
+ }
+
+ }
+
+ modifyreg32(STM32_FLASH_CR, FLASH_CR_PG, 0);
+ return written;
+}
diff --git a/arch/arm/src/stm32/stm32_flash.h b/arch/arm/src/stm32/stm32_flash.h
index 1203d777ed..6f286bf2c5 100755
--- a/arch/arm/src/stm32/stm32_flash.h
+++ b/arch/arm/src/stm32/stm32_flash.h
@@ -1,8 +1,8 @@
/************************************************************************************
* arch/arm/src/stm32/stm32_flash.h
*
- * Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ * 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
@@ -36,64 +36,10 @@
#ifndef __ARCH_ARM_SRC_STM32_STM32_FLASH_H
#define __ARCH_ARM_SRC_STM32_STM32_FLASH_H
-/************************************************************************************
- * Included Files
- ************************************************************************************/
-
#include <nuttx/config.h>
+#include <nuttx/progmem.h>
#include "chip.h"
-
-/************************************************************************************
- * Pre-processor Definitions
- ************************************************************************************/
-
-/* Register Offsets *****************************************************************/
-
-#define STM32_FLASH_ACR_OFFSET 0x0000
-#define STM32_FLASH_KEYR_OFFSET 0x0004
-#define STM32_FLASH_OPTKEYR_OFFSET 0x0008
-#define STM32_FLASH_SR_OFFSET 0x000c
-#define STM32_FLASH_CR_OFFSET 0x0010
-#define STM32_FLASH_AR_OFFSET 0x0014
-#define STM32_FLASH_OBR_OFFSET 0x001c
-#define STM32_FLASH_WRPR_OFFSET 0x0020
-
-/* Register Addresses ***************************************************************/
-
-#define STM32_FLASH_ACR (STM32_FLASHIF_BASE+STM32_FLASH_ACR_OFFSET)
-#define STM32_FLASH_KEYR (STM32_FLASHIF_BASE+STM32_FLASH_KEYR_OFFSET)
-#define STM32_FLASH_OPTKEYR (STM32_FLASHIF_BASE+STM32_FLASH_OPTKEYR_OFFSET)
-#define STM32_FLASH_SR (STM32_FLASHIF_BASE+STM32_FLASH_SR_OFFSET)
-#define STM32_FLASH_CR (STM32_FLASHIF_BASE+STM32_FLASH_CR_OFFSET)
-#define STM32_FLASH_AR (STM32_FLASHIF_BASE+STM32_FLASH_AR_OFFSET)
-#define STM32_FLASH_OBR (STM32_FLASHIF_BASE+STM32_FLASH_OBR_OFFSET)
-#define STM32_FLASH_WRPR (STM32_FLASHIF_BASE+STM32_FLASH_WRPR_OFFSET)
-
-/* Register Bitfield Definitions ****************************************************/
-/* TODO: FLASH details from the STM32F10xxx Flash programming manual. */
-
-/* Flash Access Control Register (ACR) */
-
-#define ACR_LATENCY_SHIFT (0)
-#define ACR_LATENCY_MASK (7 << ACR_LATENCY_SHIFT)
-# define ACR_LATENCY_0 (0 << ACR_LATENCY_SHIFT) /* FLASH Zero Latency cycle */
-# define ACR_LATENCY_1 (1 << ACR_LATENCY_SHIFT) /* FLASH One Latency cycle */
-# define ACR_LATENCY_2 (2 << ACR_LATENCY_SHIFT) /* FLASH Two Latency cycles */
-#define ACR_HLFCYA (1 << 3) /* FLASH half cycle access */
-#define ACR_PRTFBE (1 << 4) /* FLASH prefetch enable */
-
-/************************************************************************************
- * Public Types
- ************************************************************************************/
-
-/************************************************************************************
- * Public Data
- ************************************************************************************/
-
-/************************************************************************************
- * Public Functions
- ************************************************************************************/
+#include "chip/stm32_flash.h"
#endif /* __ARCH_ARM_SRC_STM32_STM32_FLASH_H */
-
diff --git a/arch/arm/src/stm32/stm32_rcc.c b/arch/arm/src/stm32/stm32_rcc.c
index 480345938e..f39aa0d429 100755
--- a/arch/arm/src/stm32/stm32_rcc.c
+++ b/arch/arm/src/stm32/stm32_rcc.c
@@ -413,8 +413,8 @@ static inline void stm32_stdclockconfig(void)
/* Enable FLASH prefetch buffer and 2 wait states */
regval = getreg32(STM32_FLASH_ACR);
- regval &= ~ACR_LATENCY_MASK;
- regval |= (ACR_LATENCY_2|ACR_PRTFBE);
+ regval &= ~FLASH_ACR_LATENCY_MASK;
+ regval |= (FLASH_ACR_LATENCY_2|FLASH_ACR_PRTFBE);
putreg32(regval, STM32_FLASH_ACR);
/* Set the HCLK source/divider */
diff --git a/configs/README.txt b/configs/README.txt
index 6c0cf7768a..8f6438ba7c 100644
--- a/configs/README.txt
+++ b/configs/README.txt
@@ -117,8 +117,8 @@ defconfig -- This is a configuration file similar to the Linux
This configuration file will be used at build time:
- (1) as a makefile fragment included in other makefiles, and
- (2) to generate include/nuttx/config.h which is included by
+ (1) as a makefile fragment included in other makefiles, and
+ (2) to generate include/nuttx/config.h which is included by
most C files in the system.
The following variables are recognized by the build (you may
@@ -189,19 +189,19 @@ defconfig -- This is a configuration file similar to the Linux
file must support the following targets:
- libapps$(LIBEXT) (usually libapps.a). libapps.a is a static
- library ( an archive) that contains all of application object
- files.
+ library ( an archive) that contains all of application object
+ files.
- clean. Do whatever is appropriate to clean the application
- directories for a fresh build.
+ directories for a fresh build.
- distclean. Clean everthing -- auto-generated files, symbolic
- links etc. -- so that the directory contents are the same as
- the contents in your configuration management system.
- This is only done when you change the NuttX configuration.
+ links etc. -- so that the directory contents are the same as
+ the contents in your configuration management system.
+ This is only done when you change the NuttX configuration.
- depend. Make or update the application build dependencies.
When this application is invoked it will receive the setting TOPDIR like:
- $(MAKE) -C $(CONFIG_APPS_DIR) TOPDIR="$(TOPDIR)" <target>
+ $(MAKE) -C $(CONFIG_APPS_DIR) TOPDIR="$(TOPDIR)" <target>
TOPDIR is the full path to the NuttX directory. It can be used, for
example, to include makefile fragments (e.g., .config or Make.defs)
@@ -341,14 +341,14 @@ defconfig -- This is a configuration file similar to the Linux
CONFIG_SYS_RESERVED - Reserved system call values for use
by architecture-specific logic.
- OS setup related to on-demand paging:
+ OS setup related to on-demand paging:
CONFIG_PAGING - If set =y in your configation file, this setting will
enable the on-demand paging feature as described in
http://www.nuttx.org/NuttXDemandPaging.html.
- If CONFIG_PAGING is selected, then you will probabaly need CONFIG_BUILD_2PASS to
- correctly position the code and the following configuration options also apply:
+ If CONFIG_PAGING is selected, then you will probabaly need CONFIG_BUILD_2PASS to
+ correctly position the code and the following configuration options also apply:
CONFIG_PAGING_PAGESIZE - The size of one managed page. This must
be a value supported by the processor's memory management unit.
@@ -408,9 +408,9 @@ defconfig -- This is a configuration file similar to the Linux
number if microseconds, then a fatal error will be declared.
Default: No timeouts monitored.
- Some architecture-specific settings. Defaults are architecture specific.
- If you don't know what you are doing, it is best to leave these undefined
- and try the system defaults:
+ Some architecture-specific settings. Defaults are architecture specific.
+ If you don't know what you are doing, it is best to leave these undefined
+ and try the system defaults:
CONFIG_PAGING_VECPPAGE - This the physical address of the page in
memory to be mapped to the vector address.
@@ -448,7 +448,7 @@ defconfig -- This is a configuration file similar to the Linux
in bytes into the FLASH device where the NuttX binary image is located.
Default: 0
CONFIG_PAGING_SPIPORT - If CONFIG_PAGING_M25PX CONFIG_PAGING_AT45DB is
- defined and the device has multiple SPI busses (ports), then this
+ defined and the device has multiple SPI busses (ports), then this
configuration should be set to indicate which SPI port the device is
connected. Default: 0
@@ -518,6 +518,27 @@ defconfig -- This is a configuration file similar to the Linux
Filesystem configuration
CONFIG_FS_FAT - Enable FAT filesystem support
CONFIG_FAT_SECTORSIZE - Max supported sector size
+ CONFIG_FS_NXFFS: Enable NuttX FLASH file system (NXFF) support.
+ CONFIG_NXFFS_ERASEDSTATE: The erased state of FLASH.
+ This must have one of the values of 0xff or 0x00.
+ Default: 0xff.
+ CONFIG_NXFFS_PACKTHRESHOLD: When packing flash file data,
+ don't both with file chunks smaller than this number of data bytes.
+ Default: 32.
+ CONFIG_NXFFS_MAXNAMLEN: The maximum size of an NXFFS file name.
+ Default: 255.
+ CONFIG_NXFFS_PACKTHRESHOLD: When packing flash file data,
+ don't both with file chunks smaller than this number of data bytes.
+ Default: 32.
+ CONFIG_NXFFS_TAILTHRESHOLD: clean-up can either mean
+ packing files together toward the end of the file or, if file are
+ deleted at the end of the file, clean up can simply mean erasing
+ the end of FLASH memory so that it can be re-used again. However,
+ doing this can also harm the life of the FLASH part because it can
+ mean that the tail end of the FLASH is re-used too often. This
+ threshold determines if/when it is worth erased the tail end of FLASH
+ and making it available for re-use (and possible over-wear).
+ Default: 8192.
CONFIG_FS_ROMFS - Enable ROMFS filesystem support
SPI driver
@@ -732,12 +753,12 @@ defconfig -- This is a configuration file similar to the Linux
Many URLs use ~username to indicate a user's home directory. thttpd
provides two options for mapping this construct to an actual filename.
1) Map ~username to <prefix>/username. This is the recommended choice.
- Each user gets a subdirectory in the main web tree, and the tilde
- construct points there. The prefix could be something like "users",
- or it could be empty.
+ Each user gets a subdirectory in the main web tree, and the tilde
+ construct points there. The prefix could be something like "users",
+ or it could be empty.
2) Map ~username to <user's homedir>/<postfix>. The postfix would be
- the name of a subdirectory off of the user's actual home dir,
- something like "public_html".
+ the name of a subdirectory off of the user's actual home dir,
+ something like "public_html".
You can also leave both options undefined, and thttpd will not do
anything special about tildes. Enabling both options is an error.
Typical values, if they're defined, are "users" for
@@ -758,49 +779,49 @@ defconfig -- This is a configuration file similar to the Linux
CONFIG_USBDEV_TRACE - Enables USB tracing for debug
CONFIG_USBDEV_TRACE_NRECORDS - Number of trace entries to remember
- USB host controller driver
- CONFIG_USBHOST
+ USB host controller driver
+ CONFIG_USBHOST
Enables USB host support
- CONFIG_USBHOST_NPREALLOC
+ CONFIG_USBHOST_NPREALLOC
Number of pre-allocated class instances
- CONFIG_USBHOST_BULK_DISABLE
+ CONFIG_USBHOST_BULK_DISABLE
On some architectures, selecting this setting will reduce driver size
by disabling bulk endpoint support
- CONFIG_USBHOST_INT_DISABLE
+ CONFIG_USBHOST_INT_DISABLE
On some architectures, selecting this setting will reduce driver size
by disabling interrupt endpoint support
- CONFIG_USBHOST_ISOC_DISABLE
+ CONFIG_USBHOST_ISOC_DISABLE
On some architectures, selecting this setting will reduce driver size
by disabling isochronous endpoint support
- USB host HID class driver. Requires CONFIG_USBHOST=y,
- CONFIG_USBHOST_INT_DISABLE=n, CONFIG_NFILE_DESCRIPTORS > 0,
- CONFIG_SCHED_WORKQUEUE=y, and CONFIG_DISABLE_SIGNALS=n.
+ USB host HID class driver. Requires CONFIG_USBHOST=y,
+ CONFIG_USBHOST_INT_DISABLE=n, CONFIG_NFILE_DESCRIPTORS > 0,
+ CONFIG_SCHED_WORKQUEUE=y, and CONFIG_DISABLE_SIGNALS=n.
- CONFIG_HIDKBD_POLLUSEC
+ CONFIG_HIDKBD_POLLUSEC
Device poll rate in microseconds. Default: 100 milliseconds.
- CONFIG_HIDKBD_DEFPRIO
+ CONFIG_HIDKBD_DEFPRIO
Priority of the polling thread. Default: 50.
- CONFIG_HIDKBD_STACKSIZE
+ CONFIG_HIDKBD_STACKSIZE
Stack size for polling thread. Default: 1024
- CONFIG_HIDKBD_BUFSIZE
+ CONFIG_HIDKBD_BUFSIZE
Scancode buffer size. Default: 64.
- CONFIG_HIDKBD_NPOLLWAITERS
+ CONFIG_HIDKBD_NPOLLWAITERS
If the poll() method is enabled, this defines the maximum number
of threads that can be waiting for keyboard events. Default: 2.
- CONFIG_HIDKBD_RAWSCANCODES
+ CONFIG_HIDKBD_RAWSCANCODES
If set to y no conversion will be made on the raw keyboard scan
codes. Default: ASCII conversion.
- CONFIG_HIDKBD_ALLSCANCODES'
+ CONFIG_HIDKBD_ALLSCANCODES'
If set to y all 231 possible scancodes will be converted to
something. Default: 104 key US keyboard.
- CONFIG_HIDKBD_NODEBOUNCE
+ CONFIG_HIDKBD_NODEBOUNCE
If set to y normal debouncing is disabled. Default:
Debounce enabled (No repeat keys).
- USB host mass storage class driver. Requires CONFIG_USBHOST=y,
- CONFIG_USBHOST_BULK_DISABLE=n, CONFIG_NFILE_DESCRIPTORS > 0,
- and CONFIG_SCHED_WORKQUEUE=y
+ USB host mass storage class driver. Requires CONFIG_USBHOST=y,
+ CONFIG_USBHOST_BULK_DISABLE=n, CONFIG_NFILE_DESCRIPTORS > 0,
+ and CONFIG_SCHED_WORKQUEUE=y
USB serial device class driver
CONFIG_USBSER
@@ -937,175 +958,175 @@ Supported Boards
^^^^^^^^^^^^^^^^
configs/avr32dev1
- This is a port of NuttX to the Atmel AVR32DEV1 board. That board is
- based on the Atmel AT32UC3B0256 MCU and uses a specially patched
- version of the GNU toolchain: The patches provide support for the
- AVR32 family. That patched GNU toolchain is available only from the
- Atmel website. STATUS: the ostest configuration is functional, but
+ This is a port of NuttX to the Atmel AVR32DEV1 board. That board is
+ based on the Atmel AT32UC3B0256 MCU and uses a specially patched
+ version of the GNU toolchain: The patches provide support for the
+ AVR32 family. That patched GNU toolchain is available only from the
+ Atmel website. STATUS: the ostest configuration is functional, but
there are issues with the NSH configuration (thought to be a hardware
configuration issue, but that has not been confirmed).
configs/c5471evm
- This is a port to the Spectrum Digital C5471 evaluation board. The
- TMS320C5471 is a dual core processor from TI with an ARM7TDMI general
- purpose processor and a c54 DSP. It is also known as TMS320DA180 or just DA180.
- NuttX runs on the ARM core and is built with a GNU arm-elf toolchain*.
- This port is complete, verified, and included in the NuttX release.
+ This is a port to the Spectrum Digital C5471 evaluation board. The
+ TMS320C5471 is a dual core processor from TI with an ARM7TDMI general
+ purpose processor and a c54 DSP. It is also known as TMS320DA180 or just DA180.
+ NuttX runs on the ARM core and is built with a GNU arm-elf toolchain*.
+ This port is complete, verified, and included in the NuttX release.
configs/demo9s12ne64
- Feescale DMO9S12NE64 board based on the MC9S12NE64 hcs12 cpu. This
- port uses the m9s12x GCC toolchain. STATUS: Under development.
+ Feescale DMO9S12NE64 board based on the MC9S12NE64 hcs12 cpu. This
+ port uses the m9s12x GCC toolchain. STATUS: Under development.
configs/ea3131
- Embedded Artists EA3131 Development bard. This board is based on the
- an NXP LPC3131 MCU. This OS is built with the arm-elf toolchain*.
- STATUS: This port is complete and mature.
+ Embedded Artists EA3131 Development bard. This board is based on the
+ an NXP LPC3131 MCU. This OS is built with the arm-elf toolchain*.
+ STATUS: This port is complete and mature.
configs/eagle100
- Micromint Eagle-100 Development board. This board is based on the
- an ARM Cortex-M3 MCU, the Luminary LM3S6918. This OS is built with the
- arm-elf toolchain*. STATUS: This port is complete and mature.
+ Micromint Eagle-100 Development board. This board is based on the
+ an ARM Cortex-M3 MCU, the Luminary LM3S6918. This OS is built with the
+ arm-elf toolchain*. STATUS: This port is complete and mature.
configs/ez80f0910200kitg
- ez80Acclaim! Microcontroller. This port use the Zilog ez80f0910200kitg
- development kit, eZ80F091 part, and the Zilog ZDS-II Windows command line
- tools. The development environment is Cygwin under WinXP.
+ ez80Acclaim! Microcontroller. This port use the Zilog ez80f0910200kitg
+ development kit, eZ80F091 part, and the Zilog ZDS-II Windows command line
+ tools. The development environment is Cygwin under WinXP.
configs/ez80f0910200zco
- ez80Acclaim! Microcontroller. This port use the Zilog ez80f0910200zco
- development kit, eZ80F091 part, and the Zilog ZDS-II Windows command line
- tools. The development environment is Cygwin under WinXP.
+ ez80Acclaim! Microcontroller. This port use the Zilog ez80f0910200zco
+ development kit, eZ80F091 part, and the Zilog ZDS-II Windows command line
+ tools. The development environment is Cygwin under WinXP.
configs/lm3s6965-ek
- Stellaris LM3S6965 Evaluation Kit. This board is based on the
- an ARM Cortex-M3 MCU, the Luminary/TI LM3S6965. This OS is built with the
- arm-elf toolchain*. STATUS: This port is complete and mature.
+ Stellaris LM3S6965 Evaluation Kit. This board is based on the
+ an ARM Cortex-M3 MCU, the Luminary/TI LM3S6965. This OS is built with the
+ arm-elf toolchain*. STATUS: This port is complete and mature.
configs/lpcxpresso-lpc1768
- Embedded Artists base board with NXP LPCExpresso LPC1768. This board
- is based on the NXP LPC1768. The Code Red toolchain is used by default.
- STATUS: Under development.
+ Embedded Artists base board with NXP LPCExpresso LPC1768. This board
+ is based on the NXP LPC1768. The Code Red toolchain is used by default.
+ STATUS: Under development.
configs/m68322evb
- This is a work in progress for the venerable m68322evb board from
- Motorola. This OS is also built with the arm-elf toolchain*. STATUS:
+ This is a work in progress for the venerable m68322evb board from
+ Motorola. This OS is also built with the arm-elf toolchain*. STATUS:
This port was never completed.
configs/mbed
- The configurations in this directory support the mbed board (http://mbed.org)
- that features the NXP LPC1768 microcontroller. This OS is also built
- with the arm-elf toolchain*. STATUS: Contributed.
+ The configurations in this directory support the mbed board (http://mbed.org)
+ that features the NXP LPC1768 microcontroller. This OS is also built
+ with the arm-elf toolchain*. STATUS: Contributed.
configs/mcu123-lpc214x
- This port is for the NXP LPC2148 as provided on the mcu123.com
- lpc214x development board. This OS is also built with the arm-elf
- toolchain*. The port supports serial, timer0, spi, and usb.
+ This port is for the NXP LPC2148 as provided on the mcu123.com
+ lpc214x development board. This OS is also built with the arm-elf
+ toolchain*. The port supports serial, timer0, spi, and usb.
configs/mx1ads
- This is a port to the Motorola MX1ADS development board. That board
- is based on the Freescale i.MX1 processor. The i.MX1 is an ARM920T.
- STATUS: This port is nearly code complete but still under development
- (work is stalled until I devote time to the Micromint Eagle-100)
+ This is a port to the Motorola MX1ADS development board. That board
+ is based on the Freescale i.MX1 processor. The i.MX1 is an ARM920T.
+ STATUS: This port is nearly code complete but still under development
+ (work is stalled until I devote time to the Micromint Eagle-100)
configs/ne64badge
- Future Electronics Group NE64 /PoE Badge board based on the
- MC9S12NE64 hcs12 cpu. This port uses the m9s12x GCC toolchain.
- STATUS: Under development.
+ Future Electronics Group NE64 /PoE Badge board based on the
+ MC9S12NE64 hcs12 cpu. This port uses the m9s12x GCC toolchain.
+ STATUS: Under development.
configs/ntosd-dm320
- This port uses the Neuros OSD v1.0 Dev Board with a GNU arm-elf
- toolchain*: see
-
- http://wiki.neurostechnology.com/index.php/OSD_1.0_Developer_Home
+ This port uses the Neuros OSD v1.0 Dev Board with a GNU arm-elf
+ toolchain*: see
+
+ http://wiki.neurostechnology.com/index.php/OSD_1.0_Developer_Home
- There are some differences between the Dev Board and the currently
- available commercial v1.0 Boards. See
-
- http://wiki.neurostechnology.com/index.php/OSD_Developer_Board_v1
+ There are some differences between the Dev Board and the currently
+ available commercial v1.0 Boards. See
+
+ http://wiki.neurostechnology.com/index.php/OSD_Developer_Board_v1
- NuttX operates on the ARM9EJS of this dual core processor.
- STATUS: This port is code complete, verified, and included in the
- NuttX 0.2.1 release.
+ NuttX operates on the ARM9EJS of this dual core processor.
+ STATUS: This port is code complete, verified, and included in the
+ NuttX 0.2.1 release.
configs/nucleus2g
- This port uses the Nucleus 2G board (with Babel CAN board). This board
- features an NXP LPC1768 processor. See the 2G website (http://www.2g-eng.com/)
- for more information about the Nucleus 2G.
+ This port uses the Nucleus 2G board (with Babel CAN board). This board
+ features an NXP LPC1768 processor. See the 2G website (http://www.2g-eng.com/)
+ for more information about the Nucleus 2G.
configs/olimex-lpc1766stk
- This port uses the Olimex LPC1766-STK board and a GNU GCC toolchain* under
- Linux or Cygwin. STATUS: under development.
+ This port uses the Olimex LPC1766-STK board and a GNU GCC toolchain* under
+ Linux or Cygwin. STATUS: under development.
configs/olimex-lpc2378
- This port uses the Olimex-lpc2378 board and a GNU arm-elf toolchain* under
- Linux or Cygwin. STATUS: ostest and NSH configurations available.
+ This port uses the Olimex-lpc2378 board and a GNU arm-elf toolchain* under
+ Linux or Cygwin. STATUS: ostest and NSH configurations available.
configs/olimex-lpc2378
- This port for the NXP LPC2378 was contributed by Rommel Marcelo.
+ This port for the NXP LPC2378 was contributed by Rommel Marcelo.
configs/olimex-strp711
- This port uses the Olimex STR-P711 board and a GNU arm-elf toolchain* under
+ This port uses the Olimex STR-P711 board and a GNU arm-elf toolchain* under
Linux or Cygwin. See the http://www.olimex.com/dev/str-p711.html" for
further information. STATUS: Coding for the basic port -- serial console
and system timer -- is complete but untested to problems I am having using
OpenOCD with a wiggler clone JTAG.
configs/pjrc-8051
- 8051 Microcontroller. This port uses the PJRC 87C52 development system
- and the SDCC toolchain. This port is not quite ready for prime time.
+ 8051 Microcontroller. This port uses the PJRC 87C52 development system
+ and the SDCC toolchain. This port is not quite ready for prime time.
configs/sim
- A user-mode port of NuttX to the x86 Linux platform is available.
- The purpose of this port is primarily to support OS feature development.
- This port does not support interrupts or a real timer (and hence no
- round robin scheduler) Otherwise, it is complete.
+ A user-mode port of NuttX to the x86 Linux platform is available.
+ The purpose of this port is primarily to support OS feature development.
+ This port does not support interrupts or a real timer (and hence no
+ round robin scheduler) Otherwise, it is complete.
- NOTE: This target will not run on Cygwin probably for many reasons but
- first off because it uses some of the same symbols as does cygwin.dll.
+ NOTE: This target will not run on Cygwin probably for many reasons but
+ first off because it uses some of the same symbols as does cygwin.dll.
configs/skp16c26
- Renesas M16C processor on the Renesas SKP16C26 StarterKit. This port
- uses the GNU m32c toolchain.
+ Renesas M16C processor on the Renesas SKP16C26 StarterKit. This port
+ uses the GNU m32c toolchain.
configs/stm3210e-evel
- STMicro STM3210E-EVAL development board based on the STMicro STM32F103ZET6
- microcontroller (ARM Cortex-M3). This port uses the GNU Cortex-M3
- toolchain.
+ STMicro STM3210E-EVAL development board based on the STMicro STM32F103ZET6
+ microcontroller (ARM Cortex-M3). This port uses the GNU Cortex-M3
+ toolchain.
configs/us7032evb1
- This is a port of the Hitachi SH-1 on the Hitachi SH-1/US7032EVB1 board.
- STATUS: Work has just began on this port.
+ This is a port of the Hitachi SH-1 on the Hitachi SH-1/US7032EVB1 board.
+ STATUS: Work has just began on this port.
configs/vsn
- ISOTEL NetClamps VSN V1.2 ready2go sensor network platform based on the
+ ISOTEL NetClamps VSN V1.2 ready2go sensor network platform based on the
STMicro STM32F103RET6. Contributed by Uros Platise.
configs/xtrs
- TRS80 Model 3. This port uses a vintage computer based on the Z80.
- An emulator for this computer is available to run TRS80 programs on a
- linux platform (http://www.tim-mann.org/xtrs.html).
+ TRS80 Model 3. This port uses a vintage computer based on the Z80.
+ An emulator for this computer is available to run TRS80 programs on a
+ linux platform (http://www.tim-mann.org/xtrs.html).
configs/z16f2800100zcog
- z16f Microcontroller. This port use the Zilog z16f2800100zcog
- development kit and the Zilog ZDS-II Windows command line tools. The
- development environment is Cygwin under WinXP.
+ z16f Microcontroller. This port use the Zilog z16f2800100zcog
+ development kit and the Zilog ZDS-II Windows command line tools. The
+ development environment is Cygwin under WinXP.
configs/z80sim
- z80 Microcontroller. This port uses a Z80 instruction set simulator.
- That simulator can be found in the NuttX SVN at
- http://nuttx.svn.sourceforge.net/viewvc/nuttx/trunk/misc/sims/z80sim.
- This port also uses the SDCC toolchain (http://sdcc.sourceforge.net/")
- (verified with version 2.6.0).
+ z80 Microcontroller. This port uses a Z80 instruction set simulator.
+ That simulator can be found in the NuttX SVN at
+ http://nuttx.svn.sourceforge.net/viewvc/nuttx/trunk/misc/sims/z80sim.
+ This port also uses the SDCC toolchain (http://sdcc.sourceforge.net/")
+ (verified with version 2.6.0).
configs/z8encore000zco
- z8Encore! Microcontroller. This port use the Zilog z8encore000zco
- development kit, Z8F6403 part, and the Zilog ZDS-II Windows command line
- tools. The development environment is Cygwin under WinXP.
+ z8Encore! Microcontroller. This port use the Zilog z8encore000zco
+ development kit, Z8F6403 part, and the Zilog ZDS-II Windows command line
+ tools. The development environment is Cygwin under WinXP.
configs/z8f64200100kit
- z8Encore! Microcontroller. This port use the Zilog z8f64200100kit
- development kit, Z8F6423 part, and the Zilog ZDS-II Windows command line
- tools. The development environment is Cygwin under WinXP.
+ z8Encore! Microcontroller. This port use the Zilog z8f64200100kit
+ development kit, Z8F6423 part, and the Zilog ZDS-II Windows command line
+ tools. The development environment is Cygwin under WinXP.
Other ports for the for the TI TMS320DM270, M683222 and for MIPS are in various
states of progress
diff --git a/configs/vsn/nsh/defconfig b/configs/vsn/nsh/defconfig
index c33e36dbf9..dd5b1ca37c 100755
--- a/configs/vsn/nsh/defconfig
+++ b/configs/vsn/nsh/defconfig
@@ -522,8 +522,10 @@ CONFIG_PREALLOC_TIMERS=4
#
# CONFIG_FS_FAT - Enable FAT filesystem support
# CONFIG_FAT_SECTORSIZE - Max supported sector size
+# CONFIG_FS_NXFFS - Enable NX Flash File System
# CONFIG_FS_ROMFS - Enable ROMFS filesystem support
CONFIG_FS_FAT=y
+CONFIG_FS_NXFFS=y
CONFIG_FS_ROMFS=y
#
@@ -891,15 +893,3 @@ CONFIG_APPS_DIR="../apps"
# Provide /dev/ramX and then: mount -t binfs /dev/ram0 /bin
CONFIG_APPS_BINDIR=y
-
-# Application configuration
-
-CONFIG_APPS_DIR="../apps"
-
-# Application configuration
-
-CONFIG_APPS_DIR="../apps"
-
-# Application configuration
-
-CONFIG_APPS_DIR="../apps"
diff --git a/configs/vsn/src/sif.c b/configs/vsn/src/sif.c
index 4be2144443..2cd8071385 100644
--- a/configs/vsn/src/sif.c
+++ b/configs/vsn/src/sif.c
@@ -74,6 +74,7 @@
#include <nuttx/clock.h>
#include <nuttx/time.h>
#include <nuttx/rtc.h>
+#include <nuttx/progmem.h>
#include <nuttx/i2c.h>
#include <nuttx/sensors/st_lis331dl.h>
@@ -512,6 +513,36 @@ int sif_main(int argc, char *argv[])
t_set.tv_sec = atoi(argv[2]);
clock_settime(CLOCK_REALTIME, &t_set);
}
+ else if (!strcmp(argv[1], "free") ) {
+ uint16_t page = 0, stpage = 0xFFFF;
+ int status;
+ do {
+ status = up_progmem_ispageerased(page++);
+
+ /* Is this beginning of new free space section */
+ if (status == 0) {
+ if (stpage == 0xFFFF) stpage = page-1;
+ }
+ else if (status != 0) {
+ if (stpage != 0xFFFF) {
+ printf("Free Range:\t%d\t-\t%d\n", stpage, page-2);
+ stpage = 0xFFFF;
+ }
+ }
+ }
+ while (status >= 0);
+ }
+ else if (!strcmp(argv[1], "erase") && argc == 3 ) {
+ int page = atoi(argv[2]);
+ printf("Erase result: %d\n", up_progmem_erasepage(page) );
+ }
+ else if (!strcmp(argv[1], "flash") && argc == 3 ) {
+ uint16_t page = atoi(argv[2]);
+ uint32_t addr = page * up_progmem_pagesize(page);
+
+ printf("Write result: %d (writing to address %xh)\n",
+ up_progmem_write( addr, "Test", 4 ), addr);
+ }
else if (!strcmp(argv[1], "i2c") && argc == 3) {
int val = atoi(argv[2]);
@@ -520,7 +551,7 @@ int sif_main(int argc, char *argv[])
struct st_lis331dl_dev_s * lis = st_lis331dl_init(vsn_sif.i2c1, val);
if (lis) {
- struct st_lis331dl_vector_s * a;
+ const struct st_lis331dl_vector_s * a;
int i;
uint32_t time_stamp = clock_systimer();
diff --git a/configs/vsn/src/sysclock.c b/configs/vsn/src/sysclock.c
index f65ae06707..8b1a0be348 100644
--- a/configs/vsn/src/sysclock.c
+++ b/configs/vsn/src/sysclock.c
@@ -78,8 +78,8 @@ void sysclock_select_hsi(void)
// Set FLASH prefetch buffer and 1 wait state
regval = getreg32(STM32_FLASH_ACR);
- regval &= ~ACR_LATENCY_MASK;
- regval |= (ACR_LATENCY_1|ACR_PRTFBE);
+ regval &= ~FLASH_ACR_LATENCY_MASK;
+ regval |= (FLASH_ACR_LATENCY_1|FLASH_ACR_PRTFBE);
putreg32(regval, STM32_FLASH_ACR);
// Set the HCLK source/divider
diff --git a/include/apps/apps.h b/include/apps/apps.h
index 866db8e299..d494500d13 100644
--- a/include/apps/apps.h
+++ b/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/include/nuttx/progmem.h b/include/nuttx/progmem.h
new file mode 100644
index 0000000000..e9e05ed2c1
--- /dev/null
+++ b/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 */
diff --git a/sched/atexit.c b/sched/atexit.c
index 091302cb81..3a116f4c14 100644
--- a/sched/atexit.c
+++ b/sched/atexit.c
@@ -49,7 +49,7 @@
#include "os_internal.h"
-#ifdef CONFIG_SCHED_ATEXiT
+#ifdef CONFIG_SCHED_ATEXIT
/************************************************************************
* Definitions
diff --git a/sched/clock_systimer.c b/sched/clock_systimer.c
index a1219a681a..71577df76e 100644
--- a/sched/clock_systimer.c
+++ b/sched/clock_systimer.c
@@ -89,7 +89,7 @@ uint32_t clock_systimer(void)
if (g_rtc_enabled)
{
- return up_rtc_getclock();
+// return up_rtc_getclock();
}
#endif
--
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