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Support for the Atmel SAM4S Xplaiend Board from Bob Doison

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This commit is contained in:
Gregory Nutt 2014-04-21 17:34:05 -06:00
parent 1f31597466
commit f2d25cadf0
19 changed files with 3041 additions and 0 deletions
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2
ChangeLog
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@ -7228,4 +7228,6 @@
* arch/arm/src/sam34/sam_hsmci.c and chip/sam_hsmci.h: Extensions * arch/arm/src/sam34/sam_hsmci.c and chip/sam_hsmci.h: Extensions
from Bob Doiron needed to support PDC-based HSMCI DMA transfers from Bob Doiron needed to support PDC-based HSMCI DMA transfers
(2014-4-21). (2014-4-21).
* configs/sam4s-xplained-pro: Support for the SAM4S Xplained Pro
board from Bob Doison (2014-4-21).

2
Documentation/README.html
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@ -177,6 +177,8 @@
| | | `- <a href="http://sourceforge.net/p/nuttx/git/ci/master/tree/nuttx/configs/sam4l-xplained/README.txt"><b><i>README.txt</i></b></a> | | | `- <a href="http://sourceforge.net/p/nuttx/git/ci/master/tree/nuttx/configs/sam4l-xplained/README.txt"><b><i>README.txt</i></b></a>
| | |- sam4s-xplained/ | | |- sam4s-xplained/
| | | `- <a href="http://sourceforge.net/p/nuttx/git/ci/master/tree/nuttx/configs/sam4s-xplained/README.txt"><b><i>README.txt</i></b></a> | | | `- <a href="http://sourceforge.net/p/nuttx/git/ci/master/tree/nuttx/configs/sam4s-xplained/README.txt"><b><i>README.txt</i></b></a>
| | |- sam4s-xplained-pro/
| | | `- <a href="http://sourceforge.net/p/nuttx/git/ci/master/tree/nuttx/configs/sam4s-xplained-pro/README.txt"><b><i>README.txt</i></b></a>
| | |- shenzhou/ | | |- shenzhou/
| | | `- <a href="http://sourceforge.net/p/nuttx/git/ci/master/tree/nuttx/configs/shenzhou/README.txt"><b><i>README.txt</i></b></a> | | | `- <a href="http://sourceforge.net/p/nuttx/git/ci/master/tree/nuttx/configs/shenzhou/README.txt"><b><i>README.txt</i></b></a>
| | |- sim/ | | |- sim/

2
README.txt
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@ -1041,6 +1041,8 @@ nuttx
| | `- README.txt | | `- README.txt
| |- sam4s-xplained/ | |- sam4s-xplained/
| | `- README.txt | | `- README.txt
| |- sam4s-xplained-pro/
| | `- README.txt
| |- sim/ | |- sim/
| | `- README.txt | | `- README.txt
| |- shenzhou/ | |- shenzhou/

13
configs/Kconfig
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@ -599,6 +599,15 @@ config ARCH_BOARD_SAM4L_XPLAINED
---help--- ---help---
The port of NuttX to the Atmel SAM4L-Xplained Pro development board. The port of NuttX to the Atmel SAM4L-Xplained Pro development board.
config ARCH_BOARD_SAM4S_XPLAINED_PRO
bool "Atmel SAM4S-Xplained Pro development board"
depends on ARCH_CHIP_ATSAM4SD32C
select ARCH_HAVE_LEDS
select ARCH_HAVE_BUTTONS
select ARCH_HAVE_IRQBUTTONS
---help---
The port of NuttX to the Atmel SAM4S-Xplained Pro development board.
config ARCH_BOARD_SAM4S_XPLAINED config ARCH_BOARD_SAM4S_XPLAINED
bool "Atmel SAM4S-Xplained development board" bool "Atmel SAM4S-Xplained development board"
depends on ARCH_CHIP_ATSAM4S16C depends on ARCH_CHIP_ATSAM4S16C
@ -980,6 +989,7 @@ config ARCH_BOARD
default "sam4e-ek" if ARCH_BOARD_SAM4EEK default "sam4e-ek" if ARCH_BOARD_SAM4EEK
default "sam4l-xplained" if ARCH_BOARD_SAM4L_XPLAINED default "sam4l-xplained" if ARCH_BOARD_SAM4L_XPLAINED
default "sam4s-xplained" if ARCH_BOARD_SAM4S_XPLAINED default "sam4s-xplained" if ARCH_BOARD_SAM4S_XPLAINED
default "sam4s-xplained-pro" if ARCH_BOARD_SAM4S_XPLAINED_PRO
default "shenzhou" if ARCH_BOARD_SHENZHOU default "shenzhou" if ARCH_BOARD_SHENZHOU
default "skp16c26" if ARCH_BOARD_SKP16C26 default "skp16c26" if ARCH_BOARD_SKP16C26
default "spark" if ARCH_BOARD_SPARK default "spark" if ARCH_BOARD_SPARK
@ -1246,6 +1256,9 @@ endif
if ARCH_BOARD_SAM4S_XPLAINED if ARCH_BOARD_SAM4S_XPLAINED
source "configs/sam4s-xplained/Kconfig" source "configs/sam4s-xplained/Kconfig"
endif endif
if ARCH_BOARD_SAM4S_XPLAINED_PRO
source "configs/sam4s-xplained-pro/Kconfig"
endif
if ARCH_BOARD_SHENZHOU if ARCH_BOARD_SHENZHOU
source "configs/shenzhou/Kconfig" source "configs/shenzhou/Kconfig"
endif endif

6
configs/README.txt
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@ -489,6 +489,12 @@ configs/sam4e-ek
configs/sam4l-xplained configs/sam4l-xplained
The port of NuttX to the Atmel SAM4L-Xplained development board. The port of NuttX to the Atmel SAM4L-Xplained development board.
configs/sam4s-xplained
The port of NuttX to the Atmel SAM4S-Xplained development board.
configs/sam4s-xplained-pro
The port of NuttX to the Atmel SAM4S-Xplained Pro development board.
configs/sim configs/sim
A user-mode port of NuttX to the x86 Linux platform is available. 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. The purpose of this port is primarily to support OS feature development.

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configs/sam4s-xplained-pro/Kconfig Normal file
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@ -0,0 +1,7 @@
#
# For a description of the syntax of this configuration file,
# see misc/tools/kconfig-language.txt.
#
if ARCH_BOARD_SAM4S_XPLAINED_PRO
endif

640
configs/sam4s-xplained-pro/README.txt Normal file
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@ -0,0 +1,640 @@
README
^^^^^^
This README discusses issues unique to NuttX configurations for the
Atmel SAM4S Xplained development board. This board features the
ATSAM4S16C MCU with 1MB FLASH and 128KB.
The SAM4S Xplained features:
- 120 MHz Cortex-M4 with MPU
- 12MHz crystal (no 32.768KHz crystal)
- Segger J-Link JTAG emulator on-board for program and debug
- MICRO USB A/B connector for USB connectivity
- IS66WV51216DBLL ISSI SRAM 8Mb 512K x 16 55ns PSRAM 2.5v-3.6v
- Four Atmel QTouch buttons
- External voltage input
- Four LEDs, two controllable from software
- Xplained expansion headers
- Footprint for external serial Flash (not fitted)
Contents
^^^^^^^^
- PIO Muliplexing
- Development Environment
- GNU Toolchain Options
- IDEs
- NuttX EABI "buildroot" Toolchain
- NuttX OABI "buildroot" Toolchain
- NXFLAT Toolchain
- Buttons and LEDs
- Serial Consoles
- SAM4S Xplained-specific Configuration Options
- Configurations
PIO Muliplexing
^^^^^^^^^^^^^^^
PA0 SMC_A17 PB0 J2.3 default PC0 SMC_D0
PA1 SMC_A18 PB1 J2.4 PC1 SMC_D1
PA2 J3.7 default PB2 J1.3 & J4.3 PC2 SMC_D2
PA3 J1.1 & J4.1 PB3 J1.4 & J4.4 PC3 SMC_D3
PA4 J1.2 & J4.2 PB4 JTAG PC4 SMC_D4
PA5 User_button BP2 PB5 JTAG PC5 SMC_D5
PA6 J3.7 optional PB6 JTAG PC6 SMC_D6
PA7 CLK_32K PB7 JTAG PC7 SMC_D7
PA8 CLK_32K PB8 CLK_12M PC8 SMC_NWE
PA9 RX_UART0 PB9 CLK_12M PC9 Power on detect
PA10 TX_UART0 PB10 USB_DDM PC10 User LED D9
PA11 J3.2 default PB11 USB_DDP PC11 SMC_NRD
PA12 MISO PB12 ERASE PC12 J2.2
PA13 MOSI PB13 J2.3 optional PC13 J2.7
PA14 SPCK PB14 N/A PC14 SMC_NCS0
PA15 J3.5 PC15 SMC_NSC1
PA16 J3.6 PC16 N/A
PA17 J2.5 PC17 User LED D10
PA18 J3.4 & SMC_A14 PC18 SMC_A0
PA19 J3.4 optional & SMC_A15 PC19 SMC_A1
PA20 J3.1 & SMC_A16 PC20 SMC_A2
PA21 J2.6 PC21 SMC_A3
PA22 J2.1 PC22 SMC_A4
PA23 J3.3 PC23 SMC_A5
PA24 TSLIDR_SL_SN PC24 SMC_A6
PA25 TSLIDR_SL_SNSK PC25 SMC_A7
PA26 TSLIDR_SM_SNS PC26 SMC_A8
PA27 TSLIDR_SM_SNSK PC27 SMC_A9
PA28 TSLIDR_SR_SNS PC28 SMC_A10
PA29 TSLIDR_SR_SNSK PC29 SMC_A11
PA30 J4.5 PC30 SMC_A12
PA31 J1.5 PC31 SMC_A13
Development Environment
^^^^^^^^^^^^^^^^^^^^^^^
Several possibile development enviorments may be use:
- Linux or OSX native
- Cygwin unders Windows
- MinGW + MSYS under Windows
- Windows native (with GNUMake from GNUWin32).
All testing has been performed using Cygwin under Windows.
The source has been built only using the GNU toolchain (see below). Other
toolchains will likely cause problems.
GNU Toolchain Options
^^^^^^^^^^^^^^^^^^^^^
The NuttX make system has been modified to support the several different
toolchain options.
All testing has been conducted using the NuttX buildroot toolchain. To use
the CodeSourcery, devkitARM or Raisonance GNU toolchain, you simply need to
add one of the following configuration options to your .config (or defconfig)
file:
CONFIG_ARMV7M_TOOLCHAIN_CODESOURCERYW=y : CodeSourcery under Windows
CONFIG_ARMV7M_TOOLCHAIN_CODESOURCERYL=y : CodeSourcery under Linux
CONFIG_ARMV7M_TOOLCHAIN_ATOLLIC=y : Atollic toolchain for Windos
CONFIG_ARMV7M_TOOLCHAIN_DEVKITARM=y : devkitARM under Windows
CONFIG_ARMV7M_TOOLCHAIN_BUILDROOT=y : NuttX buildroot under Linux or Cygwin (default)
CONFIG_ARMV7M_TOOLCHAIN_GNU_EABIL=y : Generic GCC ARM EABI toolchain for Linux
CONFIG_ARMV7M_TOOLCHAIN_GNU_EABIW=y : Generic GCC ARM EABI toolchain for Windows
If you are not using CONFIG_ARMV7M_TOOLCHAIN_BUILDROOT, then you may also
have to modify the PATH in the setenv.h file if your make cannot find the
tools.
NOTE about Windows native toolchains
------------------------------------
The CodeSourcery (for Windows), Atollic, and devkitARM toolchains are
Windows native toolchains. The CodeSourcery (for Linux), NuttX buildroot,
and, perhaps, the generic GCC toolchains are Cygwin and/or Linux native
toolchains. There are several limitations to using a Windows based
toolchain in a Cygwin environment. The three biggest are:
1. The Windows toolchain cannot follow Cygwin paths. Path conversions are
performed automatically in the Cygwin makefiles using the 'cygpath' utility
but you might easily find some new path problems. If so, check out 'cygpath -w'
2. Windows toolchains cannot follow Cygwin symbolic links. Many symbolic links
are used in Nuttx (e.g., include/arch). The make system works around these
problems for the Windows tools by copying directories instead of linking them.
But this can also cause some confusion for you: For example, you may edit
a file in a "linked" directory and find that your changes had no effect.
That is because you are building the copy of the file in the "fake" symbolic
directory. If you use a Windows toolchain, you should get in the habit of
making like this:
make clean_context all
An alias in your .bashrc file might make that less painful.
3. Dependencies are not made when using Windows versions of the GCC. This is
because the dependencies are generated using Windows pathes which do not
work with the Cygwin make.
MKDEP = $(TOPDIR)/tools/mknulldeps.sh
NOTE 1: Older CodeSourcery toolchains (2009q1) do not work with default
optimization level of -Os (See Make.defs). It will work with -O0, -O1, or
-O2, but not with -Os.
NOTE 2: The devkitARM toolchain includes a version of MSYS make. Make sure that
the paths to Cygwin's /bin and /usr/bin directories appear BEFORE the devkitARM
path or will get the wrong version of make.
IDEs
^^^^
NuttX is built using command-line make. It can be used with an IDE, but some
effort will be required to create the project (There is a simple RIDE project
in the RIDE subdirectory).
Makefile Build
--------------
Under Eclipse, it is pretty easy to set up an "empty makefile project" and
simply use the NuttX makefile to build the system. That is almost for free
under Linux. Under Windows, you will need to set up the "Cygwin GCC" empty
makefile project in order to work with Windows (Google for "Eclipse Cygwin" -
there is a lot of help on the internet).
Native Build
------------
Here are a few tips before you start that effort:
1) Select the toolchain that you will be using in your .config file
2) Start the NuttX build at least one time from the Cygwin command line
before trying to create your project. This is necessary to create
certain auto-generated files and directories that will be needed.
3) Set up include pathes: You will need include/, arch/arm/src/sam34,
arch/arm/src/common, arch/arm/src/armv7-m, and sched/.
4) All assembly files need to have the definition option -D __ASSEMBLY__
on the command line.
Startup files will probably cause you some headaches. The NuttX startup file
is arch/arm/src/sam34/sam_vectors.S. You may need to build NuttX
one time from the Cygwin command line in order to obtain the pre-built
startup object needed by RIDE.
NuttX EABI "buildroot" Toolchain
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
A GNU GCC-based toolchain is assumed. The files */setenv.sh should
be modified to point to the correct path to the Cortex-M3 GCC toolchain (if
different from the default in your PATH variable).
If you have no Cortex-M3 toolchain, one can be downloaded from the NuttX
SourceForge download site (https://sourceforge.net/projects/nuttx/files/buildroot/).
This GNU toolchain builds and executes in the Linux or Cygwin environment.
1. You must have already configured Nuttx in <some-dir>/nuttx.
cd tools
./configure.sh sam4s-xplained-pro/<sub-dir>
2. Download the latest buildroot package into <some-dir>
3. unpack the buildroot tarball. The resulting directory may
have versioning information on it like buildroot-x.y.z. If so,
rename <some-dir>/buildroot-x.y.z to <some-dir>/buildroot.
4. cd <some-dir>/buildroot
5. cp configs/cortexm3-eabi-defconfig-4.6.3 .config
6. make oldconfig
7. make
8. Edit setenv.h, if necessary, so that the PATH variable includes
the path to the newly built binaries.
See the file configs/README.txt in the buildroot source tree. That has more
details PLUS some special instructions that you will need to follow if you are
building a Cortex-M3 toolchain for Cygwin under Windows.
NOTE: Unfortunately, the 4.6.3 EABI toolchain is not compatible with the
the NXFLAT tools. See the top-level TODO file (under "Binary loaders") for
more information about this problem. If you plan to use NXFLAT, please do not
use the GCC 4.6.3 EABI toochain; instead use the GCC 4.3.3 OABI toolchain.
See instructions below.
NuttX OABI "buildroot" Toolchain
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The older, OABI buildroot toolchain is also available. To use the OABI
toolchain:
1. When building the buildroot toolchain, either (1) modify the cortexm3-eabi-defconfig-4.6.3
configuration to use EABI (using 'make menuconfig'), or (2) use an exising OABI
configuration such as cortexm3-defconfig-4.3.3
2. Modify the Make.defs file to use the OABI conventions:
+CROSSDEV = arm-nuttx-elf-
+ARCHCPUFLAGS = -mtune=cortex-m3 -march=armv7-m -mfloat-abi=soft
+NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-gotoff.ld -no-check-sections
-CROSSDEV = arm-nuttx-eabi-
-ARCHCPUFLAGS = -mcpu=cortex-m3 -mthumb -mfloat-abi=soft
-NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-pcrel.ld -no-check-sections
NXFLAT Toolchain
^^^^^^^^^^^^^^^^
If you are *not* using the NuttX buildroot toolchain and you want to use
the NXFLAT tools, then you will still have to build a portion of the buildroot
tools -- just the NXFLAT tools. The buildroot with the NXFLAT tools can
be downloaded from the NuttX SourceForge download site
(https://sourceforge.net/projects/nuttx/files/).
This GNU toolchain builds and executes in the Linux or Cygwin environment.
1. You must have already configured Nuttx in <some-dir>/nuttx.
cd tools
./configure.sh sam4s-xplained-pro/<sub-dir>
2. Download the latest buildroot package into <some-dir>
3. unpack the buildroot tarball. The resulting directory may
have versioning information on it like buildroot-x.y.z. If so,
rename <some-dir>/buildroot-x.y.z to <some-dir>/buildroot.
4. cd <some-dir>/buildroot
5. cp configs/cortexm3-defconfig-nxflat .config
6. make oldconfig
7. make
8. Edit setenv.h, if necessary, so that the PATH variable includes
the path to the newly builtNXFLAT binaries.
Buttons and LEDs
^^^^^^^^^^^^^^^^
Buttons
-------
The SAM4S Xplained has two mechanical buttons. One button is the RESET button
connected to the SAM4S reset line and the other is a generic user configurable
button labeled BP2 and connected to GPIO PA5. When a button is pressed it
will drive the I/O line to GND.
LEDs
----
There are four LEDs on board the SAM4X Xplained board, two of these can be
controlled by software in the SAM4S:
LED GPIO
---------------- -----
D9 Yellow LED PC10
D10 Yellow LED PC17
Both can be illuminated by driving the GPIO output to ground (low).
These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
defined. In that case, the usage by the board port is defined in
include/board.h and src/sam_leds.c. The LEDs are used to encode OS-related
events as follows:
SYMBOL Meaning LED state
D9 D10
------------------- ----------------------- -------- --------
LED_STARTED NuttX has been started OFF OFF
LED_HEAPALLOCATE Heap has been allocated OFF OFF
LED_IRQSENABLED Interrupts enabled OFF OFF
LED_STACKCREATED Idle stack created ON OFF
LED_INIRQ In an interrupt No change
LED_SIGNAL In a signal handler No change
LED_ASSERTION An assertion failed No change
LED_PANIC The system has crashed OFF Blinking
LED_IDLE MCU is is sleep mode Not used
Thus if D9 is statically on, NuttX has successfully booted and is,
apparently, running normmally. If D10 is flashing at approximately
2Hz, then a fatal error has been detected and the system has halted.
Serial Consoles
^^^^^^^^^^^^^^^
UART1
-----
If you have a TTL to RS-232 convertor then this is the most convenient
serial console to use. UART1 is the default in all of these
configurations.
UART1 RXD PB2 J1 pin 3 J4 pin 3
UART1 TXD PB3 J1 pin 4 J4 pin 4
GND J1 pin 9 J4 pin 9
Vdd J1 pin 10 J4 pin 10
USART1
------
USART1 is another option:
USART1 RXD PA21 J2 pin 6
USART1 TXD PA22 J2 pin 1
GND J2 pin 9
Vdd J2 pin 10
Virtual COM Port
----------------
Yet another option is to use UART0 and the virtual COM port. This
option may be more convenient for long term development, but was
painful to use during board bring-up.
The SAM4S Xplained contains an Embedded Debugger (EDBG) that can be
used to program and debug the ATSAM4S16C using Serial Wire Debug (SWD).
The Embedded debugger also include a Virtual Com port interface over
USART1. Virtual COM port connections:
AT91SAM4S16 ATSAM3U4CAU
-------------- --------------
PA9 RX_UART0 PA9_4S PA12
PA10 TX_UART0 RX_3U PA11
SAM4S Xplained-specific Configuration Options
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
CONFIG_ARCH - Identifies the arch/ subdirectory. This should
be set to:
CONFIG_ARCH=arm
CONFIG_ARCH_family - For use in C code:
CONFIG_ARCH_ARM=y
CONFIG_ARCH_architecture - For use in C code:
CONFIG_ARCH_CORTEXM4=y
CONFIG_ARCH_CHIP - Identifies the arch/*/chip subdirectory
CONFIG_ARCH_CHIP="sam34"
CONFIG_ARCH_CHIP_name - For use in C code to identify the exact
chip:
CONFIG_ARCH_CHIP_SAM34
CONFIG_ARCH_CHIP_SAM4S
CONFIG_ARCH_CHIP_ATSAM4D32C
CONFIG_ARCH_BOARD - Identifies the configs subdirectory and
hence, the board that supports the particular chip or SoC.
CONFIG_ARCH_BOARD=sam4s-xplained-pro (for the SAM4S Xplained Pro development board)
CONFIG_ARCH_BOARD_name - For use in C code
CONFIG_ARCH_BOARD_SAM4S_XPLAINED_PRO=y
CONFIG_ARCH_LOOPSPERMSEC - Must be calibrated for correct operation
of delay loops
CONFIG_ENDIAN_BIG - define if big endian (default is little
endian)
CONFIG_RAM_SIZE - Describes the installed DRAM (SRAM in this case):
CONFIG_RAM_SIZE=0x00008000 (32Kb)
CONFIG_RAM_START - The start address of installed DRAM
CONFIG_RAM_START=0x20000000
CONFIG_ARCH_IRQPRIO - The SAM4S supports interrupt prioritization
CONFIG_ARCH_IRQPRIO=y
CONFIG_ARCH_LEDS - Use LEDs to show state. Unique to boards that
have LEDs
CONFIG_ARCH_INTERRUPTSTACK - This architecture supports an interrupt
stack. If defined, this symbol is the size of the interrupt
stack in bytes. If not defined, the user task stacks will be
used during interrupt handling.
CONFIG_ARCH_STACKDUMP - Do stack dumps after assertions
CONFIG_ARCH_LEDS - Use LEDs to show state. Unique to board architecture.
CONFIG_ARCH_CALIBRATION - Enables some build in instrumentation that
cause a 100 second delay during boot-up. This 100 second delay
serves no purpose other than it allows you to calibratre
CONFIG_ARCH_LOOPSPERMSEC. You simply use a stop watch to measure
the 100 second delay then adjust CONFIG_ARCH_LOOPSPERMSEC until
the delay actually is 100 seconds.
Individual subsystems can be enabled:
CONFIG_SAM34_RTC - Real Time Clock
CONFIG_SAM34_RTT - Real Time Timer
CONFIG_SAM34_WDT - Watchdog Timer
CONFIG_SAM34_UART0 - UART 0
CONFIG_SAM34_UART1 - UART 1
CONFIG_SAM34_SMC - Static Memory Controller
CONFIG_SAM34_USART0 - USART 0
CONFIG_SAM34_USART1 - USART 1
CONFIG_SAM34_HSMCI - High Speed Multimedia Card Interface
CONFIG_SAM34_TWI0 - Two-Wire Interface 0
CONFIG_SAM34_TWI1 - Two-Wire Interface 1
CONFIG_SAM34_SPI0 - Serial Peripheral Interface
CONFIG_SAM34_SSC - Synchronous Serial Controller
CONFIG_SAM34_TC0 - Timer Counter 0
CONFIG_SAM34_TC1 - Timer Counter 1
CONFIG_SAM34_TC2 - Timer Counter 2
CONFIG_SAM34_TC3 - Timer Counter 3
CONFIG_SAM34_TC4 - Timer Counter 4
CONFIG_SAM34_TC5 - Timer Counter 5
CONFIG_SAM34_ADC12B - 12-bit Analog To Digital Converter
CONFIG_SAM34_DACC - Digital To Analog Converter
CONFIG_SAM34_PWM - Pulse Width Modulation
CONFIG_SAM34_CRCCU - CRC Calculation Unit
CONFIG_SAM34_ACC - Analog Comparator
CONFIG_SAM34_UDP - USB Device Port
Some subsystems can be configured to operate in different ways. The drivers
need to know how to configure the subsystem.
CONFIG_GPIOA_IRQ
CONFIG_GPIOB_IRQ
CONFIG_GPIOC_IRQ
CONFIG_USART0_ISUART
CONFIG_USART1_ISUART
CONFIG_USART2_ISUART
CONFIG_USART3_ISUART
ST91SAM4S specific device driver settings
CONFIG_U[S]ARTn_SERIAL_CONSOLE - selects the USARTn (n=0,1,2,3) or UART
m (m=4,5) for the console and ttys0 (default is the USART1).
CONFIG_U[S]ARTn_RXBUFSIZE - Characters are buffered as received.
This specific the size of the receive buffer
CONFIG_U[S]ARTn_TXBUFSIZE - Characters are buffered before
being sent. This specific the size of the transmit buffer
CONFIG_U[S]ARTn_BAUD - The configure BAUD of the UART. Must be
CONFIG_U[S]ARTn_BITS - The number of bits. Must be either 7 or 8.
CONFIG_U[S]ARTn_PARTIY - 0=no parity, 1=odd parity, 2=even parity
CONFIG_U[S]ARTn_2STOP - Two stop bits
Configurations
^^^^^^^^^^^^^^
Each SAM4S Xplained configuration is maintained in a sub-directory and
can be selected as follow:
cd tools
./configure.shsam4s-xplained-pro/<subdir>
cd -
. ./setenv.sh
Before sourcing the setenv.sh file above, you should examine it and perform
edits as necessary so that BUILDROOT_BIN is the correct path to the directory
than holds your toolchain binaries.
And then build NuttX by simply typing the following. At the conclusion of
the make, the nuttx binary will reside in an ELF file called, simply, nuttx.
make
The <subdir> that is provided above as an argument to the tools/configure.sh
must be is one of the following.
NOTES:
1. These configurations use the mconf-based configuration tool. To
change any of these configurations using that tool, you should:
a. Build and install the kconfig-mconf tool. See nuttx/README.txt
and misc/tools/
b. Execute 'make menuconfig' in nuttx/ in order to start the
reconfiguration process.
2. Unless stated otherwise, all configurations generate console
output on UART1 which is available on J1 or J4 (see the
section "Serial Consoles" above). USART1 or the virtual COM
port on UART0 are options. The virtual COM port could
be used, for example, by reconfiguring to use UART0 like:
System Type -> AT91SAM3/4 Peripheral Support
CONFIG_SAM_UART0=y
CONFIG_SAM_UART1=n
Device Drivers -> Serial Driver Support -> Serial Console
CONFIG_UART0_SERIAL_CONSOLE=y
Device Drivers -> Serial Driver Support -> UART0 Configuration
CONFIG_UART0_2STOP=0
CONFIG_UART0_BAUD=115200
CONFIG_UART0_BITS=8
CONFIG_UART0_PARITY=0
CONFIG_UART0_RXBUFSIZE=256
CONFIG_UART0_TXBUFSIZE=256
3. Unless otherwise stated, the configurations are setup for
Linux (or any other POSIX environment like Cygwin under Windows):
Build Setup:
CONFIG_HOST_LINUX=y : Linux or other POSIX environment
4. These configurations use the older, OABI, buildroot toolchain. But
that is easily reconfigured:
System Type -> Toolchain:
CONFIG_ARMV7M_TOOLCHAIN_BUILDROOT=y : Buildroot toolchain
CONFIG_ARMV7M_OABI_TOOLCHAIN=y : Older, OABI toolchain
If you want to use the Atmel GCC toolchain, here are the steps to
do so:
Build Setup:
CONFIG_HOST_WINDOWS=y : Windows
CONFIG_HOST_CYGWIN=y : Using Cygwin or other POSIX environment
System Type -> Toolchain:
CONFIG_ARMV7M_TOOLCHAIN_GNU_EABIW=y : General GCC EABI toolchain under windows
This re-configuration should be done before making NuttX or else the
subsequent 'make' will fail. If you have already attempted building
NuttX then you will have to 1) 'make distclean' to remove the old
configuration, 2) 'cd tools; ./configure.sh sam3u-ek/ksnh' to start
with a fresh configuration, and 3) perform the configuration changes
above.
Also, make sure that your PATH variable has the new path to your
Atmel tools. Try 'which arm-none-eabi-gcc' to make sure that you
are selecting the right tool. setenv.sh is available for you to
use to set or PATH variable. The path in the that file may not,
however, be correct for your installation.
See also the "NOTE about Windows native toolchains" in the section call
"GNU Toolchain Options" above.
Configuration sub-directories
-----------------------------
nsh:
This configuration directory will built the NuttShell. See NOTES above.
NOTES:
1. The configuration configuration can be modified to include support
for the on-board SRAM (1MB).
System Type -> External Memory Configuration
CONFIG_SAM34_EXTSRAM0=y : Select SRAM on CS0
CONFIG_SAM34_EXTSRAM0SIZE=1048576 : Size=1MB
Now what are you going to do with the SRAM. There are two choices:
a) To enable the NuttX RAM test that may be used to verify the
external SRAM:
System Type -> External Memory Configuration
CONFIG_SAM34_EXTSRAM0HEAP=n : Don't add to heap
Application Configuration -> System NSH Add-Ons
CONFIG_SYSTEM_RAMTEST=y : Enable the RAM test built-in
In this configuration, the SDRAM is not added to heap and so is
not excessible to the applications. So the RAM test can be
freely executed against the SRAM memory beginning at address
0x6000:0000 (CS0).
nsh> ramtest -h
Usage: <noname> [-w|h|b] <hex-address> <decimal-size>
Where:
<hex-address> starting address of the test.
<decimal-size> number of memory locations (in bytes).
-w Sets the width of a memory location to 32-bits.
-h Sets the width of a memory location to 16-bits (default).
-b Sets the width of a memory location to 8-bits.
To test the entire external SRAM:
nsh> ramtest 60000000 1048576
RAMTest: Marching ones: 60000000 1048576
RAMTest: Marching zeroes: 60000000 1048576
RAMTest: Pattern test: 60000000 1048576 55555555 aaaaaaaa
RAMTest: Pattern test: 60000000 1048576 66666666 99999999
RAMTest: Pattern test: 60000000 1048576 33333333 cccccccc
RAMTest: Address-in-address test: 60000000 1048576
b) To add this RAM to the NuttX heap, you would need to change the
configuration as follows:
System Type -> External Memory Configuration
CONFIG_SAM34_EXTSRAM0HEAP=y : Add external RAM to heap
Memory Management
-CONFIG_MM_REGIONS=1 : Only the internal SRAM
+CONFIG_MM_REGIONS=2 : Also include external SRAM

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/************************************************************************************
* configs/sam4s-xplained-pro/include/board.h
*
* Copyright (C) 2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 __CONFIGS_SAM4S_XPLAINED_PRO_INCLUDE_BOARD_H
#define __CONFIGS_SAM4S_XPLAINED_PRO_INCLUDE_BOARD_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#ifndef __ASSEMBLY__
# include <stdint.h>
# ifdef CONFIG_GPIO_IRQ
# include <arch/irq.h>
# endif
#endif
/************************************************************************************
* Definitions
************************************************************************************/
/* Clocking *************************************************************************/
/* After power-on reset, the sam3u device is running on a 4MHz internal RC. These
* definitions will configure clocking with MCK = 48MHz, PLLA = 96, and CPU=120MHz.
*/
/* Main oscillator register settings */
#define BOARD_CKGR_MOR_MOSCXTST (63 << PMC_CKGR_MOR_MOSCXTST_SHIFT) /* Start-up Time */
/* PLLA configuration:
*
* Source: 12MHz crystall at 12MHz
* PLLmul: 10
* PLLdiv: 1 (bypassed)
* Fpll: (12MHz * 10) / 1 = 120MHz
*/
#define BOARD_MAINOSC_FREQUENCY (12000000)
#define BOARD_CKGR_PLLAR_MUL (9 << PMC_CKGR_PLLAR_MUL_SHIFT)
#define BOARD_CKGR_PLLAR_DIV PMC_CKGR_PLLAR_DIV_BYPASS
#define BOARD_CKGR_PLLAR_COUNT (63 << PMC_CKGR_PLLAR_COUNT_SHIFT)
#define BOARD_PLLA_FREQUENCY (10*BOARD_MAINOSC_FREQUENCY) /* PLLA = 120Mhz */
/* PMC master clock register settings */
#define BOARD_PMC_MCKR_CSS PMC_MCKR_CSS_PLLA
#define BOARD_PMC_MCKR_PRES PMC_MCKR_PRES_DIV1
#define BOARD_MCK_FREQUENCY (BOARD_PLLA_FREQUENCY/1) /* MCK = 120Mhz */
#define BOARD_CPU_FREQUENCY (BOARD_PLLA_FREQUENCY/1) /* CPU = 120Mhz */
/* USB UTMI PLL start-up time */
#define BOARD_CKGR_UCKR_UPLLCOUNT (3 << PMC_CKGR_UCKR_UPLLCOUNT_SHIFT)
/* HSMCI clocking
*
* Multimedia Card Interface clock (MCCK or MCI_CK) is Master Clock (MCK)
* divided by (2*(CLKDIV+1)).
*
* MCI_SPEED = MCK / (2*(CLKDIV+1))
* CLKDIV = MCI / MCI_SPEED / 2 - 1
*/
/* MCK = 120MHz, CLKDIV = 149, MCI_SPEED = 120MHz / 2 * (149+1) = 400 KHz */
#define HSMCI_INIT_CLKDIV (149 << HSMCI_MR_CLKDIV_SHIFT) /* 120M MCK */
/* MCK = 120MHz, CLKDIV = 4, MCI_SPEED = 120MHz / 2 * (4+1) = 12 MHz */
#define HSMCI_MMCXFR_CLKDIV (4 << HSMCI_MR_CLKDIV_SHIFT)
/* MCK = 120MHz, CLKDIV = 0, MCI_SPEED = 120MHz / 2 * (2+1) = 20 MHz */
#define HSMCI_SDXFR_CLKDIV (2 << HSMCI_MR_CLKDIV_SHIFT) /* 120M MCK, 20M SDCLK */
#define HSMCI_SDWIDEXFR_CLKDIV HSMCI_SDXFR_CLKDIV /* 120M MCK, 20M SDCLK */
/* FLASH wait states:
*
* DC Characteristics
*
* Parameter Min Typ Max
* ---------------------- ----- ----- ----
* Vddcore DC Supply Core 1.08V 1.2V 1.32V
* Vvddio DC Supply I/Os 1.62V 3.3V 3.6V
*
* Wait Maximum
* Vddcore Vvddio States Frequency (MHz)
* ------- ---------- ------ ---------------
* 1.08V 1.62-3.6V 0 16
* " " " "-" " 1 33
* " " " "-" " 2 50
* " " " "-" " 3 67
* " " " "-" " 4 84
* " " " "-" " 5 100
* 1.08V 2.7-3.6V 0 20
* " " " "-" " 1 40
* " " " "-" " 2 60
* " " " "-" " 3 80
* " " " "-" " 4 100
* 1.2V 1.62-3.6V 0 17
* " " " "-" " 1 34
* " " " "-" " 2 52
* " " " "-" " 3 69
* " " " "-" " 4 87
* " " " "-" " 5 104
* " " " "-" " 6 121
* 1.2V 2.7-3.6V 0 21
* " " " "-" " 1 42
* " " " "-" " 2 63
* " " " "-" " 3 84
* " " " "-" " 4 105
* " " " "-" " 5 123 << SELECTION
*/
#define BOARD_FWS 5
/* LED definitions ******************************************************************/
/* There are two LEDs on board the SAM4S Xplained Pro board, One of these can be
* controlled by software in the SAM4S:
*
* LED GPIO
* ---------------- -----
* D301 Yellow LED PC10
*
* Both can be illuminated by driving the GPIO output to ground (low).
*/
/* LED index values for use with sam_setled() */
#define BOARD_D301 0
#define BOARD_NLEDS 1
/* LED bits for use with sam_setleds() */
#define BOARD_D301_BIT (1 << BOARD_D301)
/* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
* defined. In that case, the usage by the board port is defined in
* include/board.h and src/up_leds.c. The LEDs are used to encode OS-related
* events as follows:
*
* SYMBOL Val Meaning LED state
* D301
* ----------------------- --- ----------------------- -------------- */
#define LED_STARTED 0 /* NuttX has been started OFF */
#define LED_HEAPALLOCATE 0 /* Heap has been allocated OFF */
#define LED_IRQSENABLED 0 /* Interrupts enabled OFF */
#define LED_STACKCREATED 0 /* Idle stack created ON */
#define LED_INIRQ 0 /* In an interrupt No change */
#define LED_SIGNAL 0 /* In a signal handler No change */
#define LED_ASSERTION 0 /* An assertion failed No change */
#define LED_PANIC 0 /* The system has crashed OFF */
#define LED_IDLE 0 /* MCU is is sleep mode Not used */
/* Thus if D301 is statically on, NuttX has successfully booted and is,
* apparently, running normmally.
*/
/* Button definitions ***************************************************************/
/* Mechanical buttons:
*
* The SAM4S Xplained Pro has two mechanical buttons. One button is the RESET button
* connected to the SAM4S reset line and the other is a generic user configurable
* button labeled SW0. When a button is pressed it will drive the I/O line to GND.
*
* PA2 SW0
*/
#define BUTTON_SW0 0
#define NUM_BUTTONS 1
#define BUTTON_SW0_BIT (1 << BUTTON_SW0)
/************************************************************************************
* Public Data
************************************************************************************/
#ifndef __ASSEMBLY__
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/************************************************************************************
* Public Function Prototypes
************************************************************************************/
/************************************************************************************
* Name: sam_boardinitialize
*
* Description:
* All SAM3U architectures must provide the following entry point. This entry point
* is called early in the intitialization -- after all memory has been configured
* and mapped but before any devices have been initialized.
*
************************************************************************************/
void sam_boardinitialize(void);
/************************************************************************************
* Name: sam_ledinit, sam_setled, and sam_setleds
*
* Description:
* If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board LEDs. If
* CONFIG_ARCH_LEDS is not defined, then the following interfaces are available to
* control the LEDs from user applications.
*
************************************************************************************/
#ifndef CONFIG_ARCH_LEDS
void sam_ledinit(void);
void sam_setled(int led, bool ledon);
void sam_setleds(uint8_t ledset);
#endif
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __CONFIGS_SAM4S_XPLAINED_PRO_INCLUDE_BOARD_H */

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############################################################################
# configs/sam4s-xplained-pro/nsh/Make.defs
#
# Copyright (C) 2014 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# 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.
#
############################################################################
include ${TOPDIR}/.config
include ${TOPDIR}/tools/Config.mk
include ${TOPDIR}/arch/arm/src/armv7-m/Toolchain.defs
ifeq ($(WINTOOL),y)
# Windows-native toolchains
DIRLINK = $(TOPDIR)/tools/copydir.sh
DIRUNLINK = $(TOPDIR)/tools/unlink.sh
MKDEP = $(TOPDIR)/tools/mknulldeps.sh
ARCHINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}"
ARCHXXINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}" -isystem "${shell cygpath -w $(TOPDIR)/include/cxx}"
ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/ld.script}"
else
# Linux/Cygwin-native toolchain
MKDEP = $(TOPDIR)/tools/mkdeps.sh
ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
ARCHXXINCLUDES = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
ARCHSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/ld.script
endif
CC = $(CROSSDEV)gcc
CXX = $(CROSSDEV)g++
CPP = $(CROSSDEV)gcc -E
LD = $(CROSSDEV)ld
AR = $(CROSSDEV)ar rcs
NM = $(CROSSDEV)nm
OBJCOPY = $(CROSSDEV)objcopy
OBJDUMP = $(CROSSDEV)objdump
ARCHCCVERSION = ${shell $(CC) -v 2>&1 | sed -n '/^gcc version/p' | sed -e 's/^gcc version \([0-9\.]\)/\1/g' -e 's/[-\ ].*//g' -e '1q'}
ARCHCCMAJOR = ${shell echo $(ARCHCCVERSION) | cut -d'.' -f1}
ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
ARCHOPTIMIZATION = -g
endif
ifneq ($(CONFIG_DEBUG_NOOPT),y)
ARCHOPTIMIZATION += $(MAXOPTIMIZATION) -fno-strict-aliasing -fno-strength-reduce -fomit-frame-pointer
endif
ARCHCFLAGS = -fno-builtin
ARCHCXXFLAGS = -fno-builtin -fno-exceptions
ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow
ARCHWARNINGSXX = -Wall -Wshadow
ARCHDEFINES =
ARCHPICFLAGS = -fpic -msingle-pic-base -mpic-register=r10
CFLAGS = $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
CPICFLAGS = $(ARCHPICFLAGS) $(CFLAGS)
CXXFLAGS = $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS)
CPPFLAGS = $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
AFLAGS = $(CFLAGS) -D__ASSEMBLY__
NXFLATLDFLAGS1 = -r -d -warn-common
NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-pcrel.ld -no-check-sections
LDNXFLATFLAGS = -e main -s 2048
OBJEXT = .o
LIBEXT = .a
EXEEXT =
ifneq ($(CROSSDEV),arm-nuttx-elf-)
LDFLAGS += -nostartfiles -nodefaultlibs
endif
ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
LDFLAGS += -g
endif
HOSTCC = gcc
HOSTINCLUDES = -I.
HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -g -pipe
HOSTLDFLAGS =

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#
# Automatically generated file; DO NOT EDIT.
# Nuttx/ Configuration
#
#
# Build Setup
#
# CONFIG_EXPERIMENTAL is not set
# CONFIG_DEFAULT_SMALL is not set
CONFIG_HOST_LINUX=y
# CONFIG_HOST_OSX is not set
# CONFIG_HOST_WINDOWS is not set
# CONFIG_HOST_OTHER is not set
#
# Build Configuration
#
CONFIG_APPS_DIR="../apps"
# CONFIG_BUILD_2PASS is not set
#
# Binary Output Formats
#
# CONFIG_RRLOAD_BINARY is not set
CONFIG_INTELHEX_BINARY=y
# CONFIG_MOTOROLA_SREC is not set
CONFIG_RAW_BINARY=y
#
# Customize Header Files
#
# CONFIG_ARCH_STDINT_H is not set
# CONFIG_ARCH_STDBOOL_H is not set
# CONFIG_ARCH_MATH_H is not set
# CONFIG_ARCH_FLOAT_H is not set
# CONFIG_ARCH_STDARG_H is not set
#
# Debug Options
#
CONFIG_DEBUG=y
CONFIG_ARCH_HAVE_STACKCHECK=y
# CONFIG_ARCH_HAVE_HEAPCHECK is not set
# CONFIG_DEBUG_VERBOSE is not set
#
# Subsystem Debug Options
#
# CONFIG_DEBUG_MM is not set
# CONFIG_DEBUG_SCHED is not set
CONFIG_DEBUG_FS=y
# CONFIG_DEBUG_LIB is not set
# CONFIG_DEBUG_BINFMT is not set
# CONFIG_DEBUG_GRAPHICS is not set
# CONFIG_DEBUG_IRQ is not set
# CONFIG_DEBUG_STACK is not set
#
# Driver Debug Options
#
# CONFIG_DEBUG_LEDS is not set
# CONFIG_DEBUG_ANALOG is not set
# CONFIG_DEBUG_SDIO is not set
# CONFIG_DEBUG_GPIO is not set
# CONFIG_DEBUG_DMA is not set
# CONFIG_DEBUG_RTC is not set
# CONFIG_DEBUG_AUDIO is not set
CONFIG_DEBUG_SYMBOLS=y
CONFIG_ARCH_HAVE_CUSTOMOPT=y
# CONFIG_DEBUG_NOOPT is not set
# CONFIG_DEBUG_CUSTOMOPT is not set
CONFIG_DEBUG_FULLOPT=y
#
# System Type
#
# CONFIG_ARCH_8051 is not set
CONFIG_ARCH_ARM=y
# CONFIG_ARCH_AVR is not set
# CONFIG_ARCH_HC is not set
# CONFIG_ARCH_MIPS is not set
# CONFIG_ARCH_RGMP is not set
# CONFIG_ARCH_SH is not set
# CONFIG_ARCH_SIM is not set
# CONFIG_ARCH_X86 is not set
# CONFIG_ARCH_Z16 is not set
# CONFIG_ARCH_Z80 is not set
CONFIG_ARCH="arm"
#
# ARM Options
#
# CONFIG_ARCH_CHIP_A1X is not set
# CONFIG_ARCH_CHIP_C5471 is not set
# CONFIG_ARCH_CHIP_CALYPSO is not set
# CONFIG_ARCH_CHIP_DM320 is not set
# CONFIG_ARCH_CHIP_IMX is not set
# CONFIG_ARCH_CHIP_KINETIS is not set
# CONFIG_ARCH_CHIP_KL is not set
# CONFIG_ARCH_CHIP_LM is not set
# CONFIG_ARCH_CHIP_TIVA is not set
# CONFIG_ARCH_CHIP_LPC17XX is not set
# CONFIG_ARCH_CHIP_LPC214X is not set
# CONFIG_ARCH_CHIP_LPC2378 is not set
# CONFIG_ARCH_CHIP_LPC31XX is not set
# CONFIG_ARCH_CHIP_LPC43XX is not set
# CONFIG_ARCH_CHIP_NUC1XX is not set
# CONFIG_ARCH_CHIP_SAMA5 is not set
# CONFIG_ARCH_CHIP_SAMD is not set
CONFIG_ARCH_CHIP_SAM34=y
# CONFIG_ARCH_CHIP_STM32 is not set
# CONFIG_ARCH_CHIP_STR71X is not set
# CONFIG_ARCH_ARM7TDMI is not set
# CONFIG_ARCH_ARM926EJS is not set
# CONFIG_ARCH_ARM920T is not set
# CONFIG_ARCH_CORTEXM0 is not set
# CONFIG_ARCH_CORTEXM3 is not set
CONFIG_ARCH_CORTEXM4=y
# CONFIG_ARCH_CORTEXA5 is not set
# CONFIG_ARCH_CORTEXA8 is not set
CONFIG_ARCH_FAMILY="armv7-m"
CONFIG_ARCH_CHIP="sam34"
# CONFIG_ARMV7M_USEBASEPRI is not set
# CONFIG_ARCH_HAVE_FPU is not set
CONFIG_ARCH_HAVE_MPU=y
# CONFIG_ARMV7M_MPU is not set
# CONFIG_DEBUG_HARDFAULT is not set
#
# ARMV7M Configuration Options
#
CONFIG_ARMV7M_TOOLCHAIN_BUILDROOT=y
# CONFIG_ARMV7M_TOOLCHAIN_CODEREDL is not set
# CONFIG_ARMV7M_TOOLCHAIN_CODESOURCERYL is not set
# CONFIG_ARMV7M_TOOLCHAIN_GNU_EABIL is not set
# CONFIG_ARMV7M_OABI_TOOLCHAIN is not set
CONFIG_GPIO_IRQ=y
CONFIG_ARCH_HAVE_EXTNAND=y
CONFIG_ARCH_HAVE_EXTNOR=y
CONFIG_ARCH_HAVE_EXTSRAM0=y
CONFIG_SDIO_DMA=y
# CONFIG_SDIO_WIDTH_D1_ONLY is not set
CONFIG_ARCH_HAVE_EXTSRAM1=y
#
# AT91SAM3/4 Configuration Options
#
# CONFIG_ARCH_CHIP_ATSAM3U4E is not set
# CONFIG_ARCH_CHIP_ATSAM3U4C is not set
# CONFIG_ARCH_CHIP_ATSAM3U2E is not set
# CONFIG_ARCH_CHIP_ATSAM3U2C is not set
# CONFIG_ARCH_CHIP_ATSAM3U1E is not set
# CONFIG_ARCH_CHIP_ATSAM3U1C is not set
# CONFIG_ARCH_CHIP_ATSAM3X8E is not set
# CONFIG_ARCH_CHIP_ATSAM3X8C is not set
# CONFIG_ARCH_CHIP_ATSAM3X4E is not set
# CONFIG_ARCH_CHIP_ATSAM3X4C is not set
# CONFIG_ARCH_CHIP_ATSAM3A8C is not set
# CONFIG_ARCH_CHIP_ATSAM3A4C is not set
# CONFIG_ARCH_CHIP_ATSAM4LC2C is not set
# CONFIG_ARCH_CHIP_ATSAM4LC2B is not set
# CONFIG_ARCH_CHIP_ATSAM4LC2A is not set
# CONFIG_ARCH_CHIP_ATSAM4LC4C is not set
# CONFIG_ARCH_CHIP_ATSAM4LC4B is not set
# CONFIG_ARCH_CHIP_ATSAM4LC4A is not set
# CONFIG_ARCH_CHIP_ATSAM4LS2C is not set
# CONFIG_ARCH_CHIP_ATSAM4LS2B is not set
# CONFIG_ARCH_CHIP_ATSAM4LS2A is not set
# CONFIG_ARCH_CHIP_ATSAM4LS4C is not set
# CONFIG_ARCH_CHIP_ATSAM4LS4B is not set
# CONFIG_ARCH_CHIP_ATSAM4LS4A is not set
CONFIG_ARCH_CHIP_ATSAM4SD32C=y
# CONFIG_ARCH_CHIP_ATSAM4SD32B is not set
# CONFIG_ARCH_CHIP_ATSAM4SD16C is not set
# CONFIG_ARCH_CHIP_ATSAM4SD16B is not set
# CONFIG_ARCH_CHIP_ATSAM4SA16C is not set
# CONFIG_ARCH_CHIP_ATSAM4SA16B is not set
# CONFIG_ARCH_CHIP_ATSAM4S16C is not set
# CONFIG_ARCH_CHIP_ATSAM4S16B is not set
# CONFIG_ARCH_CHIP_ATSAM4S8C is not set
# CONFIG_ARCH_CHIP_ATSAM4S8B is not set
# CONFIG_ARCH_CHIP_ATSAM4E16E is not set
# CONFIG_ARCH_CHIP_ATSAM4E16C is not set
# CONFIG_ARCH_CHIP_ATSAM4E8E is not set
# CONFIG_ARCH_CHIP_ATSAM4E8C is not set
# CONFIG_ARCH_CHIP_SAM3U is not set
# CONFIG_ARCH_CHIP_SAM3X is not set
# CONFIG_ARCH_CHIP_SAM3A is not set
# CONFIG_ARCH_CHIP_SAM4L is not set
# CONFIG_ARCH_CHIP_SAM4E is not set
CONFIG_ARCH_CHIP_SAM4S=y
#
# AT91SAM3/4 Peripheral Support
#
# CONFIG_SAM34_SPI0 is not set
# CONFIG_SAM34_SSC is not set
# CONFIG_SAM34_TC0 is not set
# CONFIG_SAM34_TC1 is not set
# CONFIG_SAM34_TC2 is not set
# CONFIG_SAM34_TC3 is not set
# CONFIG_SAM34_TC4 is not set
# CONFIG_SAM34_TC5 is not set
# CONFIG_SAM34_PWM is not set
# CONFIG_SAM34_TWIM0 is not set
# CONFIG_SAM34_TWIS0 is not set
# CONFIG_SAM34_TWIM1 is not set
# CONFIG_SAM34_TWIS1 is not set
# CONFIG_SAM34_UART0 is not set
CONFIG_SAM34_UART1=y
# CONFIG_SAM34_USART0 is not set
# CONFIG_SAM34_USART1 is not set
# CONFIG_SAM34_ADC12B is not set
# CONFIG_SAM34_DACC is not set
# CONFIG_SAM34_ACC is not set
CONFIG_SAM34_SMC=y
CONFIG_SAM34_PDCA=y
# CONFIG_SAM34_CRCCU is not set
# CONFIG_SAM34_UDP is not set
CONFIG_SAM34_RTC=y
# CONFIG_SAM34_RTT is not set
CONFIG_SAM34_WDT=y
CONFIG_SAM34_HSMCI=y
#
# External Memory Configuration
#
CONFIG_SAM34_EXTNAND=y
CONFIG_SAM34_EXTNANDSIZE=268435456
# CONFIG_SAM34_EXTNOR is not set
# CONFIG_SAM34_EXTSRAM0 is not set
# CONFIG_SAM34_EXTSRAM1 is not set
#
# AT91SAM3/4 GPIO Interrupt Configuration
#
CONFIG_GPIOA_IRQ=y
# CONFIG_GPIOB_IRQ is not set
# CONFIG_GPIOC_IRQ is not set
#
# AT91SAM3/4 Watchdog Configuration
#
# CONFIG_WDT_ENABLED_ON_RESET is not set
#
# Architecture Options
#
# CONFIG_ARCH_NOINTC is not set
# CONFIG_ARCH_VECNOTIRQ is not set
CONFIG_ARCH_DMA=y
CONFIG_ARCH_HAVE_IRQPRIO=y
# CONFIG_CUSTOM_STACK is not set
# CONFIG_ADDRENV is not set
CONFIG_ARCH_HAVE_VFORK=y
# CONFIG_ARCH_HAVE_MMU is not set
# CONFIG_ARCH_NAND_HWECC is not set
CONFIG_ARCH_IRQPRIO=y
CONFIG_ARCH_STACKDUMP=y
# CONFIG_ENDIAN_BIG is not set
# CONFIG_ARCH_IDLE_CUSTOM is not set
CONFIG_ARCH_HAVE_RAMFUNCS=y
# CONFIG_ARCH_RAMFUNCS is not set
CONFIG_ARCH_HAVE_RAMVECTORS=y
CONFIG_ARCH_RAMVECTORS=y
#
# Board Settings
#
CONFIG_BOARD_LOOPSPERMSEC=9186
# CONFIG_ARCH_CALIBRATION is not set
#
# Interrupt options
#
CONFIG_ARCH_HAVE_INTERRUPTSTACK=y
CONFIG_ARCH_INTERRUPTSTACK=0
CONFIG_ARCH_HAVE_HIPRI_INTERRUPT=y
# CONFIG_ARCH_HIPRI_INTERRUPT is not set
#
# Boot options
#
# CONFIG_BOOT_RUNFROMEXTSRAM is not set
CONFIG_BOOT_RUNFROMFLASH=y
# CONFIG_BOOT_RUNFROMISRAM is not set
# CONFIG_BOOT_RUNFROMSDRAM is not set
# CONFIG_BOOT_COPYTORAM is not set
#
# Boot Memory Configuration
#
CONFIG_RAM_START=0x20000000
CONFIG_RAM_SIZE=163840
# CONFIG_ARCH_HAVE_SDRAM is not set
#
# Board Selection
#
CONFIG_ARCH_BOARD_SAM4S_XPLAINED_PRO=y
# CONFIG_ARCH_BOARD_CUSTOM is not set
CONFIG_ARCH_BOARD="sam4s-xplained-pro"
#
# Common Board Options
#
CONFIG_ARCH_HAVE_LEDS=y
CONFIG_ARCH_LEDS=y
CONFIG_ARCH_HAVE_BUTTONS=y
CONFIG_ARCH_BUTTONS=y
CONFIG_ARCH_HAVE_IRQBUTTONS=y
CONFIG_ARCH_IRQBUTTONS=y
CONFIG_NSH_MMCSDMINOR=0
CONFIG_NSH_MMCSDSLOTNO=0
#
# Board-Specific Options
#
#
# RTOS Features
#
# CONFIG_BOARD_INITIALIZE is not set
CONFIG_MSEC_PER_TICK=10
# CONFIG_SYSTEM_TIME64 is not set
CONFIG_RR_INTERVAL=50
# CONFIG_SCHED_CPULOAD is not set
# CONFIG_SCHED_INSTRUMENTATION is not set
CONFIG_TASK_NAME_SIZE=16
# CONFIG_SCHED_HAVE_PARENT is not set
CONFIG_JULIAN_TIME=y
CONFIG_START_YEAR=2014
CONFIG_START_MONTH=3
CONFIG_START_DAY=20
CONFIG_DEV_CONSOLE=y
# CONFIG_MUTEX_TYPES is not set
# CONFIG_PRIORITY_INHERITANCE is not set
# CONFIG_FDCLONE_DISABLE is not set
# CONFIG_FDCLONE_STDIO is not set
CONFIG_SDCLONE_DISABLE=y
CONFIG_SCHED_WAITPID=y
# CONFIG_SCHED_STARTHOOK is not set
# CONFIG_SCHED_ATEXIT is not set
# CONFIG_SCHED_ONEXIT is not set
CONFIG_USER_ENTRYPOINT="nsh_main"
CONFIG_DISABLE_OS_API=y
# CONFIG_DISABLE_CLOCK is not set
# CONFIG_DISABLE_POSIX_TIMERS is not set
# CONFIG_DISABLE_PTHREAD is not set
# CONFIG_DISABLE_SIGNALS is not set
# CONFIG_DISABLE_MQUEUE is not set
CONFIG_DISABLE_ENVIRON=y
#
# Signal Numbers
#
CONFIG_SIG_SIGUSR1=1
CONFIG_SIG_SIGUSR2=2
CONFIG_SIG_SIGALARM=3
CONFIG_SIG_SIGCONDTIMEDOUT=16
CONFIG_SIG_SIGWORK=17
#
# Sizes of configurable things (0 disables)
#
CONFIG_MAX_TASKS=16
CONFIG_MAX_TASK_ARGS=4
CONFIG_NPTHREAD_KEYS=4
CONFIG_NFILE_DESCRIPTORS=8
CONFIG_NFILE_STREAMS=8
CONFIG_NAME_MAX=32
CONFIG_PREALLOC_MQ_MSGS=8
CONFIG_MQ_MAXMSGSIZE=32
CONFIG_MAX_WDOGPARMS=2
CONFIG_PREALLOC_WDOGS=4
CONFIG_PREALLOC_TIMERS=4
#
# Stack and heap information
#
CONFIG_IDLETHREAD_STACKSIZE=2048
CONFIG_USERMAIN_STACKSIZE=4096
CONFIG_PTHREAD_STACK_MIN=512
CONFIG_PTHREAD_STACK_DEFAULT=4096
#
# Device Drivers
#
CONFIG_DISABLE_POLL=y
CONFIG_DEV_NULL=y
CONFIG_DEV_ZERO=y
# CONFIG_LOOP is not set
# CONFIG_RAMDISK is not set
# CONFIG_CAN is not set
# CONFIG_ARCH_HAVE_PWM_PULSECOUNT is not set
# CONFIG_PWM is not set
# CONFIG_ARCH_HAVE_I2CRESET is not set
# CONFIG_I2C is not set
# CONFIG_SPI is not set
# CONFIG_I2S is not set
CONFIG_RTC=y
CONFIG_RTC_DATETIME=y
CONFIG_RTC_ALARM=y
# CONFIG_WATCHDOG is not set
# CONFIG_ANALOG is not set
# CONFIG_AUDIO_DEVICES is not set
# CONFIG_VIDEO_DEVICES is not set
# CONFIG_BCH is not set
# CONFIG_INPUT is not set
# CONFIG_LCD is not set
CONFIG_MMCSD=y
CONFIG_MMCSD_NSLOTS=1
# CONFIG_MMCSD_READONLY is not set
# CONFIG_MMCSD_MULTIBLOCK_DISABLE is not set
CONFIG_MMCSD_MMCSUPPORT=y
CONFIG_MMCSD_HAVECARDDETECT=y
CONFIG_ARCH_HAVE_SDIO=y
CONFIG_MMCSD_SDIO=y
# CONFIG_SDIO_PREFLIGHT is not set
# CONFIG_SDIO_MUXBUS is not set
CONFIG_SDIO_BLOCKSETUP=y
# CONFIG_MTD is not set
# CONFIG_PIPES is not set
# CONFIG_PM is not set
# CONFIG_POWER is not set
# CONFIG_SENSORS is not set
# CONFIG_SERCOMM_CONSOLE is not set
CONFIG_SERIAL=y
# CONFIG_DEV_LOWCONSOLE is not set
# CONFIG_16550_UART is not set
# CONFIG_ARCH_HAVE_UART is not set
# CONFIG_ARCH_HAVE_UART0 is not set
CONFIG_ARCH_HAVE_UART1=y
# CONFIG_ARCH_HAVE_UART2 is not set
# CONFIG_ARCH_HAVE_UART3 is not set
# CONFIG_ARCH_HAVE_UART4 is not set
# CONFIG_ARCH_HAVE_UART5 is not set
# CONFIG_ARCH_HAVE_UART6 is not set
# CONFIG_ARCH_HAVE_UART7 is not set
# CONFIG_ARCH_HAVE_UART8 is not set
# CONFIG_ARCH_HAVE_SCI0 is not set
# CONFIG_ARCH_HAVE_SCI1 is not set
# CONFIG_ARCH_HAVE_USART0 is not set
# CONFIG_ARCH_HAVE_USART1 is not set
# CONFIG_ARCH_HAVE_USART2 is not set
# CONFIG_ARCH_HAVE_USART3 is not set
# CONFIG_ARCH_HAVE_USART4 is not set
# CONFIG_ARCH_HAVE_USART5 is not set
# CONFIG_ARCH_HAVE_USART6 is not set
# CONFIG_ARCH_HAVE_USART7 is not set
# CONFIG_ARCH_HAVE_USART8 is not set
#
# USART Configuration
#
CONFIG_MCU_SERIAL=y
CONFIG_STANDARD_SERIAL=y
# CONFIG_SERIAL_TIOCSERGSTRUCT is not set
CONFIG_UART1_SERIAL_CONSOLE=y
# CONFIG_NO_SERIAL_CONSOLE is not set
#
# UART1 Configuration
#
CONFIG_UART1_RXBUFSIZE=256
CONFIG_UART1_TXBUFSIZE=256
CONFIG_UART1_BAUD=921600
CONFIG_UART1_BITS=8
CONFIG_UART1_PARITY=0
CONFIG_UART1_2STOP=0
CONFIG_UART1_IFLOWCONTROL=y
CONFIG_UART1_OFLOWCONTROL=y
CONFIG_SERIAL_IFLOWCONTROL=y
CONFIG_SERIAL_OFLOWCONTROL=y
# CONFIG_USBDEV is not set
# CONFIG_USBHOST is not set
# CONFIG_WIRELESS is not set
#
# System Logging Device Options
#
#
# System Logging
#
# CONFIG_RAMLOG is not set
#
# Networking Support
#
# CONFIG_ARCH_HAVE_NET is not set
# CONFIG_ARCH_HAVE_PHY is not set
# CONFIG_NET is not set
#
# File Systems
#
#
# File system configuration
#
# CONFIG_DISABLE_MOUNTPOINT is not set
# CONFIG_DISABLE_PSEUDOFS_OPERATIONS is not set
CONFIG_FS_READABLE=y
CONFIG_FS_WRITABLE=y
# CONFIG_FS_RAMMAP is not set
CONFIG_FS_FAT=y
# CONFIG_FAT_LCNAMES is not set
# CONFIG_FAT_LFN is not set
# CONFIG_FS_FATTIME is not set
# CONFIG_FAT_DMAMEMORY is not set
# CONFIG_FS_NXFFS is not set
# CONFIG_FS_ROMFS is not set
# CONFIG_FS_SMARTFS is not set
# CONFIG_FS_BINFS is not set
CONFIG_FS_PROCFS=y
#
# Exclude individual procfs entries
#
# CONFIG_FS_PROCFS_EXCLUDE_PROCESS is not set
# CONFIG_FS_PROCFS_EXCLUDE_UPTIME is not set
# CONFIG_FS_PROCFS_EXCLUDE_MOUNTS is not set
#
# System Logging
#
# CONFIG_SYSLOG_ENABLE is not set
# CONFIG_SYSLOG is not set
#
# Graphics Support
#
# CONFIG_NX is not set
#
# Memory Management
#
# CONFIG_MM_MULTIHEAP is not set
# CONFIG_MM_SMALL is not set
CONFIG_MM_REGIONS=1
# CONFIG_ARCH_HAVE_HEAP2 is not set
# CONFIG_GRAN is not set
#
# Audio Support
#
# CONFIG_AUDIO is not set
#
# Binary Formats
#
# CONFIG_BINFMT_DISABLE is not set
# CONFIG_NXFLAT is not set
# CONFIG_ELF is not set
CONFIG_BUILTIN=y
# CONFIG_PIC is not set
# CONFIG_SYMTAB_ORDEREDBYNAME is not set
#
# Library Routines
#
#
# Standard C Library Options
#
CONFIG_STDIO_BUFFER_SIZE=64
CONFIG_STDIO_LINEBUFFER=y
CONFIG_NUNGET_CHARS=2
# CONFIG_LIBM is not set
# CONFIG_NOPRINTF_FIELDWIDTH is not set
# CONFIG_LIBC_FLOATINGPOINT is not set
CONFIG_LIB_RAND_ORDER=1
# CONFIG_EOL_IS_CR is not set
# CONFIG_EOL_IS_LF is not set
# CONFIG_EOL_IS_BOTH_CRLF is not set
CONFIG_EOL_IS_EITHER_CRLF=y
# CONFIG_LIBC_EXECFUNCS is not set
CONFIG_POSIX_SPAWN_PROXY_STACKSIZE=1024
CONFIG_TASK_SPAWN_DEFAULT_STACKSIZE=2048
CONFIG_LIBC_STRERROR=y
CONFIG_LIBC_STRERROR_SHORT=y
# CONFIG_LIBC_PERROR_STDOUT is not set
CONFIG_ARCH_LOWPUTC=y
CONFIG_LIB_SENDFILE_BUFSIZE=512
# CONFIG_ARCH_ROMGETC is not set
# CONFIG_ARCH_OPTIMIZED_FUNCTIONS is not set
#
# Non-standard Library Support
#
CONFIG_SCHED_WORKQUEUE=y
CONFIG_SCHED_HPWORK=y
CONFIG_SCHED_WORKPRIORITY=192
CONFIG_SCHED_WORKPERIOD=50000
CONFIG_SCHED_WORKSTACKSIZE=2048
CONFIG_SCHED_LPWORK=y
CONFIG_SCHED_LPWORKPRIORITY=50
CONFIG_SCHED_LPWORKPERIOD=50000
CONFIG_SCHED_LPWORKSTACKSIZE=2048
# CONFIG_LIB_KBDCODEC is not set
# CONFIG_LIB_SLCDCODEC is not set
#
# Basic CXX Support
#
# CONFIG_C99_BOOL8 is not set
CONFIG_HAVE_CXX=y
CONFIG_HAVE_CXXINITIALIZE=y
# CONFIG_CXX_NEWLONG is not set
#
# uClibc++ Standard C++ Library
#
# CONFIG_UCLIBCXX is not set
#
# Application Configuration
#
#
# Built-In Applications
#
CONFIG_BUILTIN_PROXY_STACKSIZE=1024
#
# Examples
#
# CONFIG_EXAMPLES_BUTTONS is not set
# CONFIG_EXAMPLES_CAN is not set
# CONFIG_EXAMPLES_CONFIGDATA is not set
# CONFIG_EXAMPLES_CXXTEST is not set
# CONFIG_EXAMPLES_DHCPD is not set
# CONFIG_EXAMPLES_ELF is not set
# CONFIG_EXAMPLES_FTPC is not set
# CONFIG_EXAMPLES_FTPD is not set
# CONFIG_EXAMPLES_HELLO is not set
# CONFIG_EXAMPLES_HELLOXX is not set
# CONFIG_EXAMPLES_JSON is not set
# CONFIG_EXAMPLES_HIDKBD is not set
# CONFIG_EXAMPLES_KEYPADTEST is not set
# CONFIG_EXAMPLES_IGMP is not set
# CONFIG_EXAMPLES_LCDRW is not set
# CONFIG_EXAMPLES_MM is not set
# CONFIG_EXAMPLES_MODBUS is not set
# CONFIG_EXAMPLES_MOUNT is not set
# CONFIG_EXAMPLES_NRF24L01TERM is not set
CONFIG_EXAMPLES_NSH=y
CONFIG_EXAMPLES_NSH_CXXINITIALIZE=y
# CONFIG_EXAMPLES_NULL is not set
# CONFIG_EXAMPLES_NX is not set
# CONFIG_EXAMPLES_NXCONSOLE is not set
# CONFIG_EXAMPLES_NXFFS is not set
# CONFIG_EXAMPLES_NXFLAT is not set
# CONFIG_EXAMPLES_NXHELLO is not set
# CONFIG_EXAMPLES_NXIMAGE is not set
# CONFIG_EXAMPLES_NXLINES is not set
# CONFIG_EXAMPLES_NXTEXT is not set
# CONFIG_EXAMPLES_OSTEST is not set
# CONFIG_EXAMPLES_PASHELLO is not set
# CONFIG_EXAMPLES_PIPE is not set
# CONFIG_EXAMPLES_POSIXSPAWN is not set
# CONFIG_EXAMPLES_QENCODER is not set
# CONFIG_EXAMPLES_RGMP is not set
# CONFIG_EXAMPLES_ROMFS is not set
# CONFIG_EXAMPLES_SENDMAIL is not set
# CONFIG_EXAMPLES_SERLOOP is not set
# CONFIG_EXAMPLES_SLCD is not set
# CONFIG_EXAMPLES_SMART_TEST is not set
# CONFIG_EXAMPLES_SMART is not set
# CONFIG_EXAMPLES_TCPECHO is not set
# CONFIG_EXAMPLES_TELNETD is not set
# CONFIG_EXAMPLES_THTTPD is not set
# CONFIG_EXAMPLES_TIFF is not set
# CONFIG_EXAMPLES_TOUCHSCREEN is not set
# CONFIG_EXAMPLES_UDP is not set
# CONFIG_EXAMPLES_UIP is not set
# CONFIG_EXAMPLES_USBSERIAL is not set
# CONFIG_EXAMPLES_USBTERM is not set
# CONFIG_EXAMPLES_WATCHDOG is not set
#
# Graphics Support
#
# CONFIG_TIFF is not set
#
# Interpreters
#
# CONFIG_INTERPRETERS_FICL is not set
# CONFIG_INTERPRETERS_PCODE is not set
#
# Network Utilities
#
#
# Networking Utilities
#
# CONFIG_NETUTILS_CODECS is not set
# CONFIG_NETUTILS_DHCPD is not set
# CONFIG_NETUTILS_FTPC is not set
# CONFIG_NETUTILS_FTPD is not set
# CONFIG_NETUTILS_JSON is not set
# CONFIG_NETUTILS_SMTP is not set
# CONFIG_NETUTILS_TFTPC is not set
# CONFIG_NETUTILS_THTTPD is not set
# CONFIG_NETUTILS_UIPLIB is not set
# CONFIG_NETUTILS_WEBCLIENT is not set
#
# FreeModBus
#
# CONFIG_MODBUS is not set
#
# NSH Library
#
CONFIG_NSH_LIBRARY=y
CONFIG_NSH_READLINE=y
# CONFIG_NSH_CLE is not set
CONFIG_NSH_BUILTIN_APPS=y
#
# Disable Individual commands
#
CONFIG_NSH_DISABLE_ADDROUTE=y
# CONFIG_NSH_DISABLE_CAT is not set
# CONFIG_NSH_DISABLE_CD is not set
# CONFIG_NSH_DISABLE_CP is not set
# CONFIG_NSH_DISABLE_CMP is not set
# CONFIG_NSH_DISABLE_DD is not set
# CONFIG_NSH_DISABLE_DF is not set
CONFIG_NSH_DISABLE_DELROUTE=y
# CONFIG_NSH_DISABLE_ECHO is not set
# CONFIG_NSH_DISABLE_EXEC is not set
# CONFIG_NSH_DISABLE_EXIT is not set
# CONFIG_NSH_DISABLE_FREE is not set
# CONFIG_NSH_DISABLE_GET is not set
# CONFIG_NSH_DISABLE_HELP is not set
# CONFIG_NSH_DISABLE_HEXDUMP is not set
CONFIG_NSH_DISABLE_IFCONFIG=y
# CONFIG_NSH_DISABLE_KILL is not set
CONFIG_NSH_DISABLE_LOSETUP=y
# CONFIG_NSH_DISABLE_LS is not set
# CONFIG_NSH_DISABLE_MB is not set
# CONFIG_NSH_DISABLE_MKDIR is not set
# CONFIG_NSH_DISABLE_MKFATFS is not set
# CONFIG_NSH_DISABLE_MKFIFO is not set
# CONFIG_NSH_DISABLE_MKRD is not set
# CONFIG_NSH_DISABLE_MH is not set
# CONFIG_NSH_DISABLE_MOUNT is not set
# CONFIG_NSH_DISABLE_MW is not set
# CONFIG_NSH_DISABLE_PS is not set
# CONFIG_NSH_DISABLE_PUT is not set
# CONFIG_NSH_DISABLE_PWD is not set
# CONFIG_NSH_DISABLE_RM is not set
# CONFIG_NSH_DISABLE_RMDIR is not set
# CONFIG_NSH_DISABLE_SET is not set
# CONFIG_NSH_DISABLE_SH is not set
# CONFIG_NSH_DISABLE_SLEEP is not set
# CONFIG_NSH_DISABLE_TEST is not set
# CONFIG_NSH_DISABLE_UMOUNT is not set
# CONFIG_NSH_DISABLE_UNSET is not set
# CONFIG_NSH_DISABLE_USLEEP is not set
# CONFIG_NSH_DISABLE_WGET is not set
# CONFIG_NSH_DISABLE_XD is not set
#
# Configure Command Options
#
CONFIG_NSH_CMDOPT_DF_H=y
CONFIG_NSH_CODECS_BUFSIZE=128
CONFIG_NSH_CMDOPT_HEXDUMP=y
CONFIG_NSH_PROC_MOUNTPOUNT="/proc"
CONFIG_NSH_FILEIOSIZE=2048
# CONFIG_NSH_STRERROR is not set
CONFIG_NSH_LINELEN=80
# CONFIG_NSH_DISABLE_SEMICOLON is not set
CONFIG_NSH_CMDPARMS=y
CONFIG_NSH_TMPDIR="/tmp"
CONFIG_NSH_MAXARGUMENTS=6
CONFIG_NSH_ARGCAT=y
CONFIG_NSH_NESTDEPTH=3
# CONFIG_NSH_DISABLESCRIPT is not set
# CONFIG_NSH_DISABLE_ITEF is not set
# CONFIG_NSH_DISABLE_LOOPS is not set
# CONFIG_NSH_DISABLEBG is not set
CONFIG_NSH_CONSOLE=y
#
# USB Trace Support
#
# CONFIG_NSH_CONDEV is not set
# CONFIG_NSH_ARCHINIT is not set
#
# NxWidgets/NxWM
#
#
# Platform-specific Support
#
# CONFIG_PLATFORM_CONFIGDATA is not set
#
# System Libraries and NSH Add-Ons
#
#
# USB CDC/ACM Device Commands
#
#
# USB Composite Device Commands
#
#
# Custom Free Memory Command
#
# CONFIG_SYSTEM_FREE is not set
#
# I2C tool
#
#
# INI File Parser
#
# CONFIG_SYSTEM_INIFILE is not set
#
# FLASH Program Installation
#
# CONFIG_SYSTEM_INSTALL is not set
#
# FLASH Erase-all Command
#
#
# NxPlayer media player library / command Line
#
# CONFIG_SYSTEM_NXPLAYER is not set
#
# RAM test
#
# CONFIG_SYSTEM_RAMTEST is not set
#
# readline()
#
CONFIG_SYSTEM_READLINE=y
CONFIG_READLINE_ECHO=y
#
# Power Off
#
# CONFIG_SYSTEM_POWEROFF is not set
#
# RAMTRON
#
# CONFIG_SYSTEM_RAMTRON is not set
#
# SD Card
#
CONFIG_SYSTEM_SDCARD=y
#
# Sysinfo
#
CONFIG_SYSTEM_SYSINFO=y
CONFIG_SYSTEM_SYSINFO_STACKSIZE=1024
#
# USB Monitor
#
#
# EMACS-like Command Line Editor
#
# CONFIG_SYSTEM_CLE is not set
#
# VI Work-Alike Editor
#
# CONFIG_SYSTEM_VI is not set
#
# Stack Monitor
#
#
# USB Mass Storage Device Commands
#
#
# Zmodem Commands
#
# CONFIG_SYSTEM_ZMODEM is not set

73
configs/sam4s-xplained-pro/nsh/setenv.sh Normal file
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@ -0,0 +1,73 @@
#!/bin/bash
# configs/sam4s-xplained-pro/nsh/setenv.sh
#
# Copyright (C) 2014 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# 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.
#
if [ "$_" = "$0" ] ; then
echo "You must source this script, not run it!" 1>&2
exit 1
fi
WD=`pwd`
if [ ! -x "setenv.sh" ]; then
echo "This script must be executed from the top-level NuttX build directory"
exit 1
fi
if [ -z "${PATH_ORIG}" ]; then
export PATH_ORIG="${PATH}"
fi
# This is the Cygwin path to the location where I installed the Atmel GCC
# toolchain under Windows. You will also have to edit this if you install
# this toolchain in any other location
#export TOOLCHAIN_BIN="/cygdrive/c/Program Files (x86)/Atmel/Atmel Toolchain/ARM GCC/Native/4.7.3.99/arm-gnu-toolchain/bin"
# This is the Cygwin path to the location where I installed the CodeSourcery
# toolchain under windows. You will also have to edit this if you install
# the CodeSourcery toolchain in any other location
#export TOOLCHAIN_BIN="/cygdrive/c/Program Files (x86)/CodeSourcery/Sourcery G++ Lite/bin"
# These are the Cygwin paths to the locations where I installed the Atollic
# toolchain under windows. You will also have to edit this if you install
# the Atollic toolchain in any other location. /usr/bin is added before
# the Atollic bin path because there is are binaries named gcc.exe and g++.exe
# at those locations as well.
#export TOOLCHAIN_BIN="/usr/bin:/cygdrive/c/Program Files (x86)/Atollic/TrueSTUDIO for ARM Pro 2.3.0/ARMTools/bin"
# This is the Cygwin path to the location where I build the buildroot
# toolchain.
export TOOLCHAIN_BIN="${WD}/../misc/buildroot/build_arm_nofpu/staging_dir/bin"
# Add the path to the toolchain to the PATH varialble
export PATH="${TOOLCHAIN_BIN}:/sbin:/usr/sbin:${PATH_ORIG}"
echo "PATH : ${PATH}"

126
configs/sam4s-xplained-pro/scripts/ld.script Normal file
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@ -0,0 +1,126 @@
/****************************************************************************
* configs/sam4s-xplained-pro/scripts/ld.script
*
* Copyright (C) 2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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.
*
****************************************************************************/
/* The ATSAM4SD32C has 2 banks of 1MB of FLASH beginning at address
* 0x0040:0000 and 160KB of SRAM beginning at address 0x2000:0000
*
* Flash 0 / 1 can be swapped with the GPNVM bit 2. We'll avoid using
* the 2nd bank to allow this as an option for firmware upgrading or failsafe
*
*/
MEMORY
{
flash0 (rx) : ORIGIN = 0x00400000, LENGTH = 1024K
flash1 (rx) : ORIGIN = 0x00500000, LENGTH = 1024K
sram (rwx) : ORIGIN = 0x20000000, LENGTH = 160K
}
OUTPUT_ARCH(arm)
ENTRY(_stext)
SECTIONS
{
.text : {
_stext = ABSOLUTE(.);
*(.vectors)
*(.text .text.*)
*(.fixup)
*(.gnu.warning)
*(.rodata .rodata.*)
*(.gnu.linkonce.t.*)
*(.glue_7)
*(.glue_7t)
*(.got)
*(.gcc_except_table)
*(.gnu.linkonce.r.*)
_etext = ABSOLUTE(.);
} > flash0
.init_section : {
_sinit = ABSOLUTE(.);
*(.init_array .init_array.*)
_einit = ABSOLUTE(.);
} > flash0
.ARM.extab : {
*(.ARM.extab*)
} >flash0
__exidx_start = ABSOLUTE(.);
.ARM.exidx : {
*(.ARM.exidx*)
} >flash0
__exidx_end = ABSOLUTE(.);
.data : {
_sdata = ABSOLUTE(.);
*(.data .data.*)
*(.gnu.linkonce.d.*)
CONSTRUCTORS
_edata = ABSOLUTE(.);
} > sram AT > flash0
_eronly = LOADADDR(.data);
.ramfunc ALIGN(4): {
_sramfuncs = ABSOLUTE(.);
*(.ramfunc .ramfunc.*)
_eramfuncs = ABSOLUTE(.);
} > sram AT > flash0
_framfuncs = LOADADDR(.ramfunc);
.bss : {
_sbss = ABSOLUTE(.);
*(.bss .bss.*)
*(.gnu.linkonce.b.*)
*(COMMON)
_ebss = ABSOLUTE(.);
} > sram
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_info 0 : { *(.debug_info) }
.debug_line 0 : { *(.debug_line) }
.debug_pubnames 0 : { *(.debug_pubnames) }
.debug_aranges 0 : { *(.debug_aranges) }
}

100
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############################################################################
# configs/sam4s-xplained-pro/src/Makefile
#
# Copyright (C) 2014 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# 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.
#
############################################################################
-include $(TOPDIR)/Make.defs
CFLAGS += -I$(TOPDIR)/sched
ASRCS =
AOBJS = $(ASRCS:.S=$(OBJEXT))
CSRCS = sam_boot.c
ifeq ($(CONFIG_HAVE_CXX),y)
CSRCS += sam_cxxinitialize.c
endif
ifeq ($(CONFIG_ARCH_LEDS),y)
CSRCS += sam_autoleds.c
else
CSRCS += sam_userleds.c
endif
ifeq ($(CONFIG_ARCH_BUTTONS),y)
CSRCS += sam_buttons.c
endif
COBJS = $(CSRCS:.c=$(OBJEXT))
SRCS = $(ASRCS) $(CSRCS)
OBJS = $(AOBJS) $(COBJS)
ARCH_SRCDIR = $(TOPDIR)/arch/$(CONFIG_ARCH)/src
ifeq ($(WINTOOL),y)
CFLAGS += -I "${shell cygpath -w $(ARCH_SRCDIR)/chip}"
CFLAGS += -I "${shell cygpath -w $(ARCH_SRCDIR)/common}"
CFLAGS += -I "${shell cygpath -w $(ARCH_SRCDIR)/armv7-m}"
else
CFLAGS += -I$(ARCH_SRCDIR)/chip
CFLAGS += -I$(ARCH_SRCDIR)/common
CFLAGS += -I$(ARCH_SRCDIR)/armv7-m
endif
all: libboard$(LIBEXT)
$(AOBJS): %$(OBJEXT): %.S
$(call ASSEMBLE, $<, $@)
$(COBJS) $(LINKOBJS): %$(OBJEXT): %.c
$(call COMPILE, $<, $@)
libboard$(LIBEXT): $(OBJS)
$(call ARCHIVE, $@, $(OBJS))
.depend: Makefile $(SRCS)
$(Q) $(MKDEP) $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep
$(Q) touch $@
depend: .depend
clean:
$(call DELFILE, libboard$(LIBEXT))
$(call CLEAN)
distclean: clean
$(call DELFILE, Make.dep)
$(call DELFILE, .depend)
-include Make.dep

128
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/************************************************************************************
* configs/sam4s-xplained-pro/src/sam4s-xplained-pro.h
*
* Copyright (C) 2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 __CONFIGS_SAM4S_XPLAINED_SRC_SAM4S_XPLAINED_H
#define __CONFIGS_SAM4S_XPLAINED_SRC_SAM4S_XPLAINED_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include <stdint.h>
#include <arch/irq.h>
#include <nuttx/irq.h>
#include "chip/sam_pinmap.h"
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* There are four LEDs on board the SAM4S Xplained board, two of these can be
* controlled by software in the SAM4S:
*
* LED GPIO
* ---------------- -----
* D9 Yellow LED PC10
* D10 Yellow LED PC17
*
* Both can be illuminated by driving the GPIO output to ground (low).
*
* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
* defined. In that case, the usage by the board port is defined in
* include/board.h and src/up_leds.c. The LEDs are used to encode OS-related
* events as follows:
*
* SYMBOL Meaning LED state
* D9 D10
* ------------------- ----------------------- -------- --------
* LED_STARTED NuttX has been started OFF OFF
* LED_HEAPALLOCATE Heap has been allocated OFF OFF
* LED_IRQSENABLED Interrupts enabled OFF OFF
* LED_STACKCREATED Idle stack created ON OFF
* LED_INIRQ In an interrupt No change
* LED_SIGNAL In a signal handler No change
* LED_ASSERTION An assertion failed No change
* LED_PANIC The system has crashed OFF Blinking
* LED_IDLE MCU is is sleep mode Not used
*
* Thus if D9 is statically on, NuttX has successfully booted and is,
* apparently, running normally. If D10 is flashing at approximately
* 2Hz, then a fatal error has been detected and the system has halted.
*/
#define GPIO_D301 (GPIO_OUTPUT | GPIO_CFG_PULLUP | GPIO_OUTPUT_SET | \
GPIO_PORT_PIOC | GPIO_PIN23)
/* Mechanical buttons:
*
* The SAM4S Xplained Pro has two mechanical buttons. One button is the RESET button
* connected to the SAM4S reset line and the other is a generic user configurable
* button labeled SW0. When a button is pressed it will drive the I/O line to GND.
*
* PA2 SW0
*/
#define GPIO_SW0 (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_CFG_DEGLITCH | \
GPIO_INT_BOTHEDGES | GPIO_PORT_PIOA | GPIO_PIN2)
#define IRQ_SW0 SAM_IRQ_PA2
/************************************************************************************
* Public Types
************************************************************************************/
/************************************************************************************
* Public data
************************************************************************************/
#ifndef __ASSEMBLY__
/************************************************************************************
* Public Functions
************************************************************************************/
/************************************************************************************
* Name: board_led_initialize
************************************************************************************/
#ifdef CONFIG_ARCH_LEDS
void board_led_initialize(void);
#endif
#endif /* __ASSEMBLY__ */
#endif /* __CONFIGS_SAM4S_XPLAINED_SRC_SAM4S_XPLAINED_H */

150
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/****************************************************************************
* configs/sam4s-xplained-pro/src/sam_autoleds.c
*
* Copyright (C) 2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 <stdint.h>
#include <stdbool.h>
#include <debug.h>
#include <arch/board/board.h>
#include "chip.h"
#include "sam_gpio.h"
#include "sam4s-xplained-pro.h"
#ifdef CONFIG_ARCH_LEDS
/****************************************************************************
* Definitions
****************************************************************************/
/* If CONFIG_ARCH_LEDs is defined, then NuttX will control the LED on
* board the SAM4S Xplained Pro. The following definitions describe how NuttX
* controls the LEDs:
*
* SYMBOL Meaning LED state
* D9 D10
* ------------------- ----------------------- -------- --------
* LED_STARTED NuttX has been started OFF
* LED_HEAPALLOCATE Heap has been allocated OFF
* LED_IRQSENABLED Interrupts enabled OFF
* LED_STACKCREATED Idle stack created ON
* LED_INIRQ In an interrupt No change
* LED_SIGNAL In a signal handler No change
* LED_ASSERTION An assertion failed No change
* LED_PANIC The system has crashed OFF
* LED_IDLE MCU is is sleep mode Not used
*/
/* CONFIG_DEBUG_LEDS enables debug output from this file (needs CONFIG_DEBUG
* with CONFIG_DEBUG_VERBOSE too)
*/
#ifdef CONFIG_DEBUG_LEDS
# define leddbg lldbg
# define ledvdbg llvdbg
#else
# define leddbg(x...)
# define ledvdbg(x...)
#endif
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: board_led_initialize
****************************************************************************/
void board_led_initialize(void)
{
/* Configure LED GPIO for output */
sam_configgpio(GPIO_D301);
}
/****************************************************************************
* Name: board_led_on
****************************************************************************/
void board_led_on(int led)
{
bool led1on = false;
switch (led)
{
case 0: /* LED_STARTED, LED_HEAPALLOCATE, LED_IRQSENABLED */
break;
case 1: /* LED_STACKCREATED */
led1on = true;
break;
default:
case 2: /* LED_INIRQ, LED_SIGNAL, LED_ASSERTION */
return;
case 3: /* LED_PANIC */
break;
}
sam_gpiowrite(GPIO_D301, led1on);
}
/****************************************************************************
* Name: board_led_off
****************************************************************************/
void board_led_off(int led)
{
if (led != 2)
{
sam_gpiowrite(GPIO_D301, false);
}
}
#endif /* CONFIG_ARCH_LEDS */

75
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/************************************************************************************
* configs/sam4s-xplained-pro/src/sam_boot.c
*
* Copyright (C) 2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 <debug.h>
#include "sam4s-xplained-pro.h"
/************************************************************************************
* Definitions
************************************************************************************/
/************************************************************************************
* Private Functions
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/
/************************************************************************************
* Name: sam_boardinitialize
*
* Description:
* All SAM3U architectures must provide the following entry point. This entry point
* is called early in the intitialization -- after all memory has been configured
* and mapped but before any devices have been initialized.
*
************************************************************************************/
void sam_boardinitialize(void)
{
#ifdef CONFIG_ARCH_LEDS
/* Configure on-board LEDs if LED support has been selected. */
board_led_initialize();
#endif
}

157
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/****************************************************************************
* configs/sam4s-xplained-pro/src/sam_buttons.c
*
* Copyright (C) 2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 <stdint.h>
#include <nuttx/arch.h>
#include <nuttx/irq.h>
#include <arch/irq.h>
#include <arch/board/board.h>
#include "sam_gpio.h"
#include "sam4s-xplained-pro.h"
#ifdef CONFIG_ARCH_BUTTONS
/****************************************************************************
* Definitions
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
static xcpt_t g_irqsw0;
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: board_button_initialize
*
* Description:
* board_button_initialize() must be called to initialize button resources. After
* that, board_buttons() may be called to collect the current state of all
* buttons or board_button_irq() may be called to register button interrupt
* handlers.
*
****************************************************************************/
void board_button_initialize(void)
{
(void)sam_configgpio(GPIO_SW0);
}
/************************************************************************************
* Name: board_buttons
*
* Description:
* After board_button_initialize() has been called, board_buttons() may be called to collect
* the state of all buttons. board_buttons() returns an 8-bit bit set with each bit
* associated with a button. See the BUTTON* definitions above for the meaning of
* each bit in the returned value.
*
************************************************************************************/
uint8_t board_buttons(void)
{
return sam_gpioread(GPIO_SW0) ? 0 : BUTTON_SW0_BIT;
}
/****************************************************************************
* Name: board_button_irq
*
* Description:
* This function may be called to register an interrupt handler that will
* be called when a button is depressed or released. The ID value is one
* of the BUTTON* definitions provided above. The previous interrupt
* handler address is returned (so that it may restored, if so desired).
*
* Configuration Notes:
* Configuration CONFIG_AVR32_GPIOIRQ must be selected to enable the
* overall GPIO IRQ feature and CONFIG_AVR32_GPIOIRQSETA and/or
* CONFIG_AVR32_GPIOIRQSETB must be enabled to select GPIOs to support
* interrupts on. For button support, bits 2 and 3 must be set in
* CONFIG_AVR32_GPIOIRQSETB (PB2 and PB3).
*
****************************************************************************/
#if defined(CONFIG_GPIOA_IRQ) && defined(CONFIG_ARCH_IRQBUTTONS)
xcpt_t board_button_irq(int id, xcpt_t irqhandler)
{
xcpt_t oldhandler = NULL;
if (id == BUTTON_SW0)
{
irqstate_t flags;
/* Disable interrupts until we are done. This guarantees that the
* following operations are atomic.
*/
flags = irqsave();
/* Get the old button interrupt handler and save the new one */
oldhandler = g_irqsw0;
g_irqsw0 = irqhandler;
/* Configure the interrupt */
sam_gpioirq(IRQ_SW0);
(void)irq_attach(IRQ_SW0, irqhandler);
sam_gpioirqenable(IRQ_SW0);
irqrestore(flags);
}
/* Return the old button handler (so that it can be restored) */
return oldhandler;
}
#endif
#endif /* CONFIG_ARCH_BUTTONS */

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/************************************************************************************
* configs/sam4s-xplained-pro/src/sam_cxxinitialize.c
*
* Copyright (C) 2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 <debug.h>
#include <nuttx/arch.h>
#include <arch/sam34/chip.h>
#include "chip.h"
#if defined(CONFIG_HAVE_CXX) && defined(CONFIG_HAVE_CXXINITIALIZE)
/************************************************************************************
* Definitions
************************************************************************************/
/* Debug ****************************************************************************/
/* Non-standard debug that may be enabled just for testing the static constructors */
#ifndef CONFIG_DEBUG
# undef CONFIG_DEBUG_CXX
#endif
#ifdef CONFIG_DEBUG_CXX
# define cxxdbg dbg
# define cxxlldbg lldbg
# ifdef CONFIG_DEBUG_VERBOSE
# define cxxvdbg vdbg
# define cxxllvdbg llvdbg
# else
# define cxxvdbg(x...)
# define cxxllvdbg(x...)
# endif
#else
# define cxxdbg(x...)
# define cxxlldbg(x...)
# define cxxvdbg(x...)
# define cxxllvdbg(x...)
#endif
/************************************************************************************
* Private Types
************************************************************************************/
/* This type defines one entry in initialization array */
typedef void (*initializer_t)(void);
/************************************************************************************
* External references
************************************************************************************/
/* _sinit and _einit are symbols exported by the linker script that mark the
* beginning and the end of the C++ initialization section.
*/
extern initializer_t _sinit;
extern initializer_t _einit;
/* _stext and _etext are symbols exported by the linker script that mark the
* beginning and the end of text.
*/
extern uint32_t _stext;
extern uint32_t _etext;
/************************************************************************************
* Private Functions
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/
/****************************************************************************
* Name: up_cxxinitialize
*
* Description:
* If C++ and C++ static constructors are supported, then this function
* must be provided by board-specific logic in order to perform
* initialization of the static C++ class instances.
*
* This function should then be called in the application-specific
* user_start logic in order to perform the C++ initialization. NOTE
* that no component of the core NuttX RTOS logic is involved; This
* function defintion only provides the 'contract' between application
* specific C++ code and platform-specific toolchain support
*
***************************************************************************/
void up_cxxinitialize(void)
{
initializer_t *initp;
cxxdbg("_sinit: %p _einit: %p _stext: %p _etext: %p\n",
&_sinit, &_einit, &_stext, &_etext);
/* Visit each entry in the initialization table */
for (initp = &_sinit; initp != &_einit; initp++)
{
initializer_t initializer = *initp;
cxxdbg("initp: %p initializer: %p\n", initp, initializer);
/* Make sure that the address is non-NULL and lies in the text region
* defined by the linker script. Some toolchains may put NULL values
* or counts in the initialization table
*/
if ((void*)initializer > (void*)&_stext && (void*)initializer < (void*)&_etext)
{
cxxdbg("Calling %p\n", initializer);
initializer();
}
}
}
#endif /* CONFIG_HAVE_CXX && CONFIG_HAVE_CXXINITIALIZE */

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/****************************************************************************
* configs/sam4s-xplained-pro/src/sam_userleds.c
*
* Copyright (C) 2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 <stdint.h>
#include <stdbool.h>
#include <debug.h>
#include <arch/board/board.h>
#include "chip.h"
#include "sam_gpio.h"
#include "sam4s-xplained-pro.h"
#ifndef CONFIG_ARCH_LEDS
/****************************************************************************
* Definitions
****************************************************************************/
/* CONFIG_DEBUG_LEDS enables debug output from this file (needs CONFIG_DEBUG
* with CONFIG_DEBUG_VERBOSE too)
*/
#ifdef CONFIG_DEBUG_LEDS
# define leddbg lldbg
# define ledvdbg llvdbg
#else
# define leddbg(x...)
# define ledvdbg(x...)
#endif
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: sam_ledinit
****************************************************************************/
void sam_ledinit(void)
{
/* Configure D301 GPIO for output */
sam_configgpio(GPIO_D301);
}
/****************************************************************************
* Name: sam_setled
****************************************************************************/
void sam_setled(int led, bool ledon)
{
uint32_t ledcfg;
if (led == BOARD_D301)
{
ledcfg = GPIO_D301;
}
else
{
return;
}
sam_gpiowrite(ledcfg, ledon);
}
/****************************************************************************
* Name: sam_setleds
****************************************************************************/
void sam_setleds(uint8_t ledset)
{
bool ledon;
ledon = ((ledset & BOARD_D301_BIT) != 0);
sam_gpiowrite(GPIO_D301, ledon);
}
#endif /* !CONFIG_ARCH_LEDS */