avr: Add support to Atmega mega1284p_xplained board
This commit is contained in:
Alan Carvalho de Assis
Petro Karashchenko
parent
c839fc45af
commit
b91042e5a0
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=========================
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Atmega MEGA1284P-XPLAINED
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=========================
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The `MEGA1284P-XPLAINED <https://www.microchip.com/en-us/development-tool/ATMEGA1284P-XPLD>`_
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is a development board for the Atmega1284P from Microchip/Atmel.
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.. figure:: board.jpg
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:align: center
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Microchip/Atmega MEGA1284P-XPLAINED
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Features
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========
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- Atmega1284P MCU, 128K FLASH, 16K SRAM
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- 11.0592 MHz crystal
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- 32768 Hz crystal
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- Embedded AVR911 compatible programmer
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- Reset button
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- 4 user buttons (3 switch and 1 touch button)
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- 4 LEDs indicator (connected to PWM pins)
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- Light sensor
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- NTC sensor
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- Not populated external SPI Flash with labels: AT45DB and AT25DF
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- Power indicator LED
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Pin Mapping
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===========
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===== ========== ==========
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Pin Signal Notes
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===== ========== ==========
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P0.24 Blue LED Active LOW
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P0.23 Red LED Active LOW
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P0.22 Green LED Active LOW
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P0.20 UART TX
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P0.19 UART RX
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===== ========== ==========
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Configurations
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==============
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nsh
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---
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Basic NuttShell configuration (console enabled in USART0, pins PD0 (RXD0) and PD1 (TXD0), at 115200 bps).
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Flash & Debug
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=============
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You can flash the board using avrdure. First press and hold SW0 button, then press and release RESET button, after 1 second release the SW0 button. Now run the command::
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$ avrdude -p atmega1284p -c avr910 -P /dev/ttyACM0 -b57600 -F -u -U flash:w:nuttx.hex:i
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65
Documentation/platforms/avr/atmega/index.rst
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65
Documentation/platforms/avr/atmega/index.rst
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@ -0,0 +1,65 @@
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===========
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Atmega1284P
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===========
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The Atmega1284P is a chip from Microchip ("inherited" from Atmel) with the
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following features:
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- 16MHz 8bit AVR RISC Processor
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- 128Kbyte Flash
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- 16Kbyte RAM
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- 4Kbyte EEPROM
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- 2 High Speed Serial Ports
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- 2 8-bit Timer/Counters
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- 2 16-bit Timer/Counter
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- 1 Master/Slave SPI
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- 1 I2C controller (aka Two-Wire interface)
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- 8Ch 10bit Analog Input port
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- up to 32 GPIOs
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- Watchdog timer
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- Real Time Clock
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- JTAG/OCD Interface
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Clock Configuration
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===================
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System Timer
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============
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Peripheral Support
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==================
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The following list indicates peripherals supported in NuttX:
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========== ======= =====
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Peripheral Support Notes
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========== ======= =====
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GPIO Yes
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PWM No
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ADC No
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RTC No
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WTD No
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I2C No
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SPI No
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TIMER Yes
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UART Yes
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========== ======= =====
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UART
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----
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UART is implemented using interrupts. The chip doesn't support DMA.
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TIMER
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-----
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The TIMER peripheral is exposed as standard timer.
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Supported Boards
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================
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.. toctree::
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:glob:
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:maxdepth: 1
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boards/*/*
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11
Documentation/platforms/avr/index.rst
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11
Documentation/platforms/avr/index.rst
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====
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AVR8
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====
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The following AVR8 chips are supported:
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.. toctree::
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:maxdepth: 1
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:glob:
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*/*
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@ -913,6 +913,13 @@ config ARCH_BOARD_MCU123_LPC214X
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lpc214x development board. This OS is also built with the arm-nuttx-elf
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toolchain*. The port supports serial, timer0, spi, and usb.
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config ARCH_BOARD_MEGA1284P_XPLAINED
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bool "Atmel MEGA-1284P-XPLAINED"
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depends on ARCH_CHIP_ATMEGA1284P
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select ARCH_HAVE_LEDS
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---help---
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This is the configuration to support Atmel MEGA-1284P-XPLAINED board.
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config ARCH_BOARD_METRO_M4
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bool "Adafruit M4 Metro"
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depends on ARCH_CHIP_SAMD51J19
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@ -2850,6 +2857,7 @@ config ARCH_BOARD
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default "mbed" if ARCH_BOARD_MBED
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default "mcb1700" if ARCH_BOARD_MCB1700
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default "mcu123-lpc214x" if ARCH_BOARD_MCU123_LPC214X
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default "mega1284p-xplained" if ARCH_BOARD_MEGA1284P_XPLAINED
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default "metro-m4" if ARCH_BOARD_METRO_M4
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default "micropendous3" if ARCH_BOARD_MICROPENDOUS3
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default "mirtoo" if ARCH_BOARD_MIRTOO
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@ -3682,6 +3690,9 @@ endif
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if ARCH_BOARD_AVR32DEV1
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source "boards/avr/at32uc3/avr32dev1/Kconfig"
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endif
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if ARCH_BOARD_MEGA1284P_XPLAINED
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source "boards/avr/atmega/mega1284p-xplained/Kconfig"
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endif
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if ARCH_BOARD_MICROPENDOUS3
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source "boards/avr/at90usb/micropendous3/Kconfig"
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endif
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4
boards/avr/atmega/mega1284p-xplained/Kconfig
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4
boards/avr/atmega/mega1284p-xplained/Kconfig
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#
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# For a description of the syntax of this configuration file,
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# see the file kconfig-language.txt in the NuttX tools repository.
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#
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8
boards/avr/atmega/mega1284p-xplained/README.txt
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8
boards/avr/atmega/mega1284p-xplained/README.txt
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README
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^^^^^^
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NuttX Documentation now is online!
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You can find the documentation to this board at:
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https://nuttx.apache.org/docs/latest/platforms/avr/atmega/boards/mega1284p-xplained/index.html
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35
boards/avr/atmega/mega1284p-xplained/configs/hello/defconfig
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35
boards/avr/atmega/mega1284p-xplained/configs/hello/defconfig
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#
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# This file is autogenerated: PLEASE DO NOT EDIT IT.
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#
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# You can use "make menuconfig" to make any modifications to the installed .config file.
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# You can then do "make savedefconfig" to generate a new defconfig file that includes your
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# modifications.
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#
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CONFIG_ARCH="avr"
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CONFIG_ARCH_AVR=y
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CONFIG_ARCH_BOARD="mega1284p-xplained"
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CONFIG_ARCH_BOARD_MEGA1284P_XPLAINED=y
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CONFIG_ARCH_CHIP="atmega"
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CONFIG_ARCH_CHIP_ATMEGA1284P=y
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CONFIG_ARCH_CHIP_ATMEGA=y
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CONFIG_ARCH_STACKDUMP=y
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CONFIG_AVR_LINUXGCC_TOOLCHAIN=y
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CONFIG_AVR_USART0=y
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CONFIG_BOARD_LOOPSPERMSEC=888
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CONFIG_CONSOLE_SYSLOG=y
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CONFIG_DEFAULT_SMALL=y
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CONFIG_DISABLE_MOUNTPOINT=y
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CONFIG_EXAMPLES_HELLO=y
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CONFIG_IDLETHREAD_STACKSIZE=512
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CONFIG_INIT_ENTRYPOINT="hello_main"
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CONFIG_INIT_STACKSIZE=512
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CONFIG_INTELHEX_BINARY=y
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CONFIG_NFILE_DESCRIPTORS_PER_BLOCK=4
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CONFIG_NUNGET_CHARS=0
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CONFIG_PTHREAD_STACK_DEFAULT=512
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CONFIG_RAM_SIZE=16384
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CONFIG_RAM_START=0x800100
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CONFIG_START_DAY=31
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CONFIG_START_YEAR=2015
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CONFIG_TASK_NAME_SIZE=0
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CONFIG_USART0_SERIAL_CONSOLE=y
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39
boards/avr/atmega/mega1284p-xplained/configs/nsh/defconfig
Normal file
39
boards/avr/atmega/mega1284p-xplained/configs/nsh/defconfig
Normal file
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#
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# This file is autogenerated: PLEASE DO NOT EDIT IT.
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#
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# You can use "make menuconfig" to make any modifications to the installed .config file.
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# You can then do "make savedefconfig" to generate a new defconfig file that includes your
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# modifications.
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#
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# CONFIG_DISABLE_ENVIRON is not set
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# CONFIG_NSH_DISABLEBG is not set
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# CONFIG_NSH_DISABLE_IFCONFIG is not set
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# CONFIG_NSH_DISABLE_PS is not set
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CONFIG_ARCH="avr"
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CONFIG_ARCH_AVR=y
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CONFIG_ARCH_BOARD="mega1284p-xplained"
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CONFIG_ARCH_BOARD_MEGA1284P_XPLAINED=y
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CONFIG_ARCH_CHIP="atmega"
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CONFIG_ARCH_CHIP_ATMEGA1284P=y
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CONFIG_ARCH_CHIP_ATMEGA=y
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CONFIG_ARCH_STACKDUMP=y
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CONFIG_AVR_LINUXGCC_TOOLCHAIN=y
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CONFIG_AVR_USART0=y
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CONFIG_BOARD_LOOPSPERMSEC=888
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CONFIG_DEFAULT_SMALL=y
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CONFIG_DISABLE_MOUNTPOINT=y
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CONFIG_IDLETHREAD_STACKSIZE=512
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CONFIG_INIT_ENTRYPOINT="nsh_main"
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CONFIG_INIT_STACKSIZE=512
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CONFIG_INTELHEX_BINARY=y
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CONFIG_NFILE_DESCRIPTORS_PER_BLOCK=6
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CONFIG_NUNGET_CHARS=0
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CONFIG_PTHREAD_STACK_DEFAULT=512
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CONFIG_RAM_SIZE=16384
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CONFIG_RAM_START=0x800100
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CONFIG_RR_INTERVAL=200
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CONFIG_START_DAY=31
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CONFIG_START_YEAR=2015
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CONFIG_SYSTEM_NSH=y
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CONFIG_TASK_NAME_SIZE=0
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CONFIG_USART0_SERIAL_CONSOLE=y
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84
boards/avr/atmega/mega1284p-xplained/include/board.h
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84
boards/avr/atmega/mega1284p-xplained/include/board.h
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/****************************************************************************
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* boards/avr/atmega/mega1284p-xplained/include/board.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
|
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_AVR_ATMEGA_MEGA1284P_XPLAINED_INCLUDE_BOARD_H
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#define __BOARDS_AVR_ATMEGA_MEGA1284P_XPLAINED_INCLUDE_BOARD_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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/* Clocking *****************************************************************/
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/* Assume default CLKDIV8 fuse setting is overridden to CLKDIV1 */
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#define BOARD_XTAL_FREQ 11059200 /* 11.0592MHz crystal */
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#define BOARD_CPU_CLOCK BOARD_XTAL_FREQ /* F_CPU = 16MHz */
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/* LED definitions **********************************************************/
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/* The Mega1284p-Xplained has 4 LEDs connected to PB0-PB3 */
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#define LED_STARTED 0 /* OFF ON (never happens) */
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#define LED_HEAPALLOCATE 0 /* OFF ON (never happens) */
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#define LED_IRQSENABLED 0 /* OFF ON (never happens) */
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#define LED_STACKCREATED 1 /* ON ON (never happens) */
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#define LED_INIRQ 2 /* OFF NC (momentary) */
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#define LED_SIGNAL 2 /* OFF NC (momentary) */
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#define LED_ASSERTION 2 /* OFF NC (momentary) */
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#define LED_PANIC 0 /* OFF ON (1Hz flashing) */
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/****************************************************************************
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* Public Types
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****************************************************************************/
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#ifndef __ASSEMBLY__
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/****************************************************************************
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* Inline Functions
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****************************************************************************/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_AVR_ATMEGA_MEGA1284P_XPLAINED_INCLUDE_BOARD_H */
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31
boards/avr/atmega/mega1284p-xplained/scripts/Make.defs
Normal file
31
boards/avr/atmega/mega1284p-xplained/scripts/Make.defs
Normal file
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############################################################################
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# boards/avr/atmega/mega1284p-xplained/scripts/Make.defs
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
|
||||
# contributor license agreements. See the NOTICE file distributed with
|
||||
# this work for additional information regarding copyright ownership. The
|
||||
# ASF licenses this file to you under the Apache License, Version 2.0 (the
|
||||
# "License"); you may not use this file except in compliance with the
|
||||
# License. You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||||
# License for the specific language governing permissions and limitations
|
||||
# under the License.
|
||||
#
|
||||
############################################################################
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||||
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||||
include $(TOPDIR)/.config
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include $(TOPDIR)/tools/Config.mk
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include $(TOPDIR)/arch/avr/src/avr/Toolchain.defs
|
||||
|
||||
ARCHSCRIPT += $(BOARD_DIR)$(DELIM)scripts$(DELIM)ld.script
|
||||
|
||||
CFLAGS := $(ARCHCFLAGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) -pipe
|
||||
CXXFLAGS := $(ARCHCXXFLAGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) -pipe
|
||||
CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS)
|
||||
CPPFLAGS := $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS)
|
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AFLAGS := $(CFLAGS) -D__ASSEMBLY__
|
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198
boards/avr/atmega/mega1284p-xplained/scripts/ld.script
Normal file
198
boards/avr/atmega/mega1284p-xplained/scripts/ld.script
Normal file
@ -0,0 +1,198 @@
|
||||
/****************************************************************************
|
||||
* boards/avr/atmega/mega1284p-xplained/scripts/ld.script
|
||||
*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||
* contributor license agreements. See the NOTICE file distributed with
|
||||
* this work for additional information regarding copyright ownership. The
|
||||
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance with the
|
||||
* License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||||
* License for the specific language governing permissions and limitations
|
||||
* under the License.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/* Memory Regions ***********************************************************/
|
||||
/* -------------- ------ ------+------- -- ------ -- ------ --- ------ ----+------- ---
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||||
* FLASH | REGISTERS I/O EXT I/O ISRAM | EEPROM
|
||||
* | REGISTERS REGISTERS |
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||||
* -------------- ------ ------+------- -- ------ -- ------ --- ------ ----+------- ---
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||||
* ATMEGA1284P 0x0000 128Kb | 0x0000 32 0x0020 64 0x0060 160 0x0100 16Kb| 0x0000 4Kb
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||||
* -------------- ------ ------+------- -- ------ -- ------ --- ------ ----+------- ---
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||||
* *Memory configuration A
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||||
*/
|
||||
|
||||
MEMORY
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||||
{
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||||
flash (rx) : ORIGIN = 0, LENGTH = 128K
|
||||
sram (rw!x) : ORIGIN = 0x800100, LENGTH = 16K
|
||||
eeprom (rw!x) : ORIGIN = 0x810000, LENGTH = 4K
|
||||
}
|
||||
|
||||
ENTRY(__start)
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||||
|
||||
SECTIONS
|
||||
{
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||||
/* Read-only sections, merged into text segment: */
|
||||
|
||||
.hash : { *(.hash) }
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||||
.dynsym : { *(.dynsym) }
|
||||
.dynstr : { *(.dynstr) }
|
||||
.gnu.version : { *(.gnu.version) }
|
||||
.gnu.version_d : { *(.gnu.version_d) }
|
||||
.gnu.version_r : { *(.gnu.version_r) }
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.rel.init : { *(.rel.init) }
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||||
.rela.init : { *(.rela.init) }
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.rel.text :
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{
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*(.rel.text)
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||||
*(.rel.text.*)
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||||
*(.rel.gnu.linkonce.t*)
|
||||
}
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||||
|
||||
.rela.text :
|
||||
{
|
||||
*(.rela.text)
|
||||
*(.rela.text.*)
|
||||
*(.rela.gnu.linkonce.t*)
|
||||
}
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||||
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.rel.fini : { *(.rel.fini) }
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||||
.rela.fini : { *(.rela.fini) }
|
||||
|
||||
.rel.rodata :
|
||||
{
|
||||
*(.rel.rodata)
|
||||
*(.rel.rodata.*)
|
||||
*(.rel.gnu.linkonce.r*)
|
||||
}
|
||||
|
||||
.rela.rodata :
|
||||
{
|
||||
*(.rela.rodata)
|
||||
*(.rela.rodata.*)
|
||||
*(.rela.gnu.linkonce.r*)
|
||||
}
|
||||
|
||||
.rel.data :
|
||||
{
|
||||
*(.rel.data)
|
||||
*(.rel.data.*)
|
||||
*(.rel.gnu.linkonce.d*)
|
||||
}
|
||||
|
||||
.rela.data :
|
||||
{
|
||||
*(.rela.data)
|
||||
*(.rela.data.*)
|
||||
*(.rela.gnu.linkonce.d*)
|
||||
}
|
||||
|
||||
.rel.ctors : { *(.rel.ctors) }
|
||||
.rela.ctors : { *(.rela.ctors) }
|
||||
.rel.dtors : { *(.rel.dtors) }
|
||||
.rela.dtors : { *(.rela.dtors) }
|
||||
.rel.got : { *(.rel.got) }
|
||||
.rela.got : { *(.rela.got) }
|
||||
.rel.bss : { *(.rel.bss) }
|
||||
.rela.bss : { *(.rela.bss) }
|
||||
.rel.plt : { *(.rel.plt) }
|
||||
.rela.plt : { *(.rela.plt) }
|
||||
|
||||
.text :
|
||||
{
|
||||
_stext = . ;
|
||||
*(.vectors)
|
||||
*(.progmem.gcc*)
|
||||
*(.progmem*)
|
||||
*(.init)
|
||||
*(.handlers)
|
||||
*(.text)
|
||||
*(.text.*)
|
||||
_etext = . ;
|
||||
} > flash
|
||||
|
||||
_eronly = ABSOLUTE(.);
|
||||
|
||||
.data :
|
||||
{
|
||||
_sdata = ABSOLUTE(.);
|
||||
*(.data .data.*)
|
||||
*(.rodata)
|
||||
*(.rodata*)
|
||||
*(.gnu.linkonce.d.*)
|
||||
CONSTRUCTORS
|
||||
_edata = ABSOLUTE(.);
|
||||
} > sram AT > flash
|
||||
|
||||
.bss :
|
||||
{
|
||||
_sbss = ABSOLUTE(.);
|
||||
*(.bss .bss.*)
|
||||
*(.gnu.linkonce.b.*)
|
||||
*(COMMON)
|
||||
_ebss = ABSOLUTE(.);
|
||||
} > sram
|
||||
|
||||
/* Global data not cleared after reset. */
|
||||
|
||||
.noinit :
|
||||
{
|
||||
_snoinit = ABSOLUTE(.);
|
||||
*(.noinit*)
|
||||
_enoinit = ABSOLUTE(.);
|
||||
} > sram
|
||||
|
||||
.eeprom :
|
||||
{
|
||||
_seeprom = ABSOLUTE(.);
|
||||
*(.eeprom*)
|
||||
_eeeprom = ABSOLUTE(.);
|
||||
} > eeprom
|
||||
|
||||
/* 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) }
|
||||
|
||||
/* DWARF debug sections.
|
||||
Symbols in the DWARF debugging sections are relative to the beginning
|
||||
of the section so we begin them at 0. */
|
||||
|
||||
/* DWARF 1 */
|
||||
|
||||
.debug 0 : { *(.debug) }
|
||||
.line 0 : { *(.line) }
|
||||
|
||||
/* GNU DWARF 1 extensions */
|
||||
|
||||
.debug_srcinfo 0 : { *(.debug_srcinfo) }
|
||||
.debug_sfnames 0 : { *(.debug_sfnames) }
|
||||
|
||||
/* DWARF 1.1 and DWARF 2 */
|
||||
|
||||
.debug_aranges 0 : { *(.debug_aranges) }
|
||||
.debug_pubnames 0 : { *(.debug_pubnames) }
|
||||
|
||||
/* DWARF 2 */
|
||||
|
||||
.debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) }
|
||||
.debug_abbrev 0 : { *(.debug_abbrev) }
|
||||
.debug_line 0 : { *(.debug_line) }
|
||||
.debug_frame 0 : { *(.debug_frame) }
|
||||
.debug_str 0 : { *(.debug_str) }
|
||||
.debug_loc 0 : { *(.debug_loc) }
|
||||
.debug_macinfo 0 : { *(.debug_macinfo) }
|
||||
}
|
||||
29
boards/avr/atmega/mega1284p-xplained/src/Makefile
Normal file
29
boards/avr/atmega/mega1284p-xplained/src/Makefile
Normal file
@ -0,0 +1,29 @@
|
||||
############################################################################
|
||||
# boards/avr/atmega/mega1284p-xplained/src/Makefile
|
||||
#
|
||||
# Licensed to the Apache Software Foundation (ASF) under one or more
|
||||
# contributor license agreements. See the NOTICE file distributed with
|
||||
# this work for additional information regarding copyright ownership. The
|
||||
# ASF licenses this file to you under the Apache License, Version 2.0 (the
|
||||
# "License"); you may not use this file except in compliance with the
|
||||
# License. You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||||
# License for the specific language governing permissions and limitations
|
||||
# under the License.
|
||||
#
|
||||
############################################################################
|
||||
|
||||
include $(TOPDIR)/Make.defs
|
||||
|
||||
CSRCS = avr_boot.c
|
||||
|
||||
ifeq ($(CONFIG_ARCH_LEDS),y)
|
||||
CSRCS += avr_leds.c
|
||||
endif
|
||||
|
||||
include $(TOPDIR)/boards/Board.mk
|
||||
77
boards/avr/atmega/mega1284p-xplained/src/avr_boot.c
Normal file
77
boards/avr/atmega/mega1284p-xplained/src/avr_boot.c
Normal file
@ -0,0 +1,77 @@
|
||||
/****************************************************************************
|
||||
* boards/avr/atmega/mega1284p-xplained/src/avr_boot.c
|
||||
*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||
* contributor license agreements. See the NOTICE file distributed with
|
||||
* this work for additional information regarding copyright ownership. The
|
||||
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance with the
|
||||
* License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||||
* License for the specific language governing permissions and limitations
|
||||
* under the License.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <debug.h>
|
||||
|
||||
#include <arch/board/board.h>
|
||||
|
||||
#include "avr_internal.h"
|
||||
#include "atmega.h"
|
||||
#include "mega1284p_xplained.h"
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: atmega_boardinitialize
|
||||
*
|
||||
* Description:
|
||||
* All ATMega architectures must provide the following entry point.
|
||||
* This entry point is called early in the initialization -- after all
|
||||
* memory has been configured and mapped but before any devices have been
|
||||
* initialized.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void atmega_boardinitialize(void)
|
||||
{
|
||||
/* Configure SSP chip selects if 1) at least one SSP is enabled, and 2)
|
||||
* the weak function atmega_spidev_initialize() has been brought into the
|
||||
* link.
|
||||
*/
|
||||
|
||||
#if defined(CONFIG_AVR_SPI1) || defined(CONFIG_AVR_SPI2)
|
||||
if (atmega_spidev_initialize)
|
||||
{
|
||||
atmega_spidev_initialize();
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Configure on-board LEDs if LED support has been selected. */
|
||||
|
||||
#ifdef CONFIG_ARCH_LEDS
|
||||
atmega_led_initialize();
|
||||
#endif
|
||||
}
|
||||
155
boards/avr/atmega/mega1284p-xplained/src/avr_leds.c
Normal file
155
boards/avr/atmega/mega1284p-xplained/src/avr_leds.c
Normal file
@ -0,0 +1,155 @@
|
||||
/****************************************************************************
|
||||
* boards/avr/atmega/mega1284p-xplained/src/avr_leds.c
|
||||
*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||
* contributor license agreements. See the NOTICE file distributed with
|
||||
* this work for additional information regarding copyright ownership. The
|
||||
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance with the
|
||||
* License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||||
* License for the specific language governing permissions and limitations
|
||||
* under the License.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <stdbool.h>
|
||||
#include <debug.h>
|
||||
#include <avr/io.h>
|
||||
|
||||
#include <nuttx/board.h>
|
||||
|
||||
#include "avr_internal.h"
|
||||
#include "atmega.h"
|
||||
#include "mega1284p_xplained.h"
|
||||
|
||||
#ifdef CONFIG_ARCH_LEDS
|
||||
|
||||
/****************************************************************************
|
||||
* Private Data
|
||||
****************************************************************************/
|
||||
|
||||
static bool g_ncoff;
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: atmega_led_initialize
|
||||
****************************************************************************/
|
||||
|
||||
void atmega_led_initialize(void)
|
||||
{
|
||||
/* The MoteinoMEGA's single LED is on Port D, Pin 7.
|
||||
* Configure this pin as an output and turn it OFF.
|
||||
* The "other" side of the LED is onnected to ground through a resistor.
|
||||
* Therefore, a logic value of 0 should turn the LED off.
|
||||
*/
|
||||
|
||||
DDRD |= (1 << 7);
|
||||
PORTD &= ~(1 << 7);
|
||||
g_ncoff = true;
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: board_autoled_on
|
||||
****************************************************************************/
|
||||
|
||||
void board_autoled_on(int led)
|
||||
{
|
||||
/* ON OFF
|
||||
* LED_STARTED 0 OFF ON (never happens)
|
||||
* LED_HEAPALLOCATE 0 OFF ON (never happens)
|
||||
* LED_IRQSENABLED 0 OFF ON (never happens)
|
||||
* LED_STACKCREATED 1 ON ON (never happens)
|
||||
* LED_INIRQ 2 OFF NC (momentary)
|
||||
* LED_SIGNAL 2 OFF NC (momentary)
|
||||
* LED_ASSERTION 2 OFF NC (momentary)
|
||||
* LED_PANIC 0 OFF ON (1Hz flashing)
|
||||
*/
|
||||
|
||||
switch (led)
|
||||
{
|
||||
case 0:
|
||||
|
||||
/* The steady state is OFF */
|
||||
|
||||
g_ncoff = true;
|
||||
|
||||
case 2:
|
||||
|
||||
/* Turn the LED off */
|
||||
|
||||
PORTD &= ~(1 << 7);
|
||||
break;
|
||||
|
||||
case 1:
|
||||
|
||||
/* The steady state is ON */
|
||||
|
||||
PORTD |= (1 << 7);
|
||||
g_ncoff = false;
|
||||
break;
|
||||
|
||||
default:
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: board_autoled_off
|
||||
****************************************************************************/
|
||||
|
||||
void board_autoled_off(int led)
|
||||
{
|
||||
/* ON OFF
|
||||
* LED_STARTED 0 OFF ON (never happens)
|
||||
* LED_HEAPALLOCATE 0 OFF ON (never happens)
|
||||
* LED_IRQSENABLED 0 OFF ON (never happens)
|
||||
* LED_STACKCREATED 1 ON ON (never happens)
|
||||
* LED_INIRQ 2 OFF NC (momentary)
|
||||
* LED_SIGNAL 2 OFF NC (momentary)
|
||||
* LED_ASSERTION 2 OFF NC (momentary)
|
||||
* LED_PANIC 0 OFF ON (1Hz flashing)
|
||||
*/
|
||||
|
||||
switch (led)
|
||||
{
|
||||
case 2:
|
||||
|
||||
/* If the "no-change" state is OFF, then turn the LED off */
|
||||
|
||||
if (g_ncoff)
|
||||
{
|
||||
PORTD &= ~(1 << 7);
|
||||
break;
|
||||
}
|
||||
|
||||
/* Otherwise, fall through to turn the LED ON */
|
||||
|
||||
case 0:
|
||||
case 1:
|
||||
|
||||
/* Turn the LED on */
|
||||
|
||||
PORTD |= (1 << 7);
|
||||
break;
|
||||
|
||||
default:
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
#endif /* CONFIG_ARCH_LEDS */
|
||||
@ -0,0 +1,88 @@
|
||||
/****************************************************************************
|
||||
* boards/avr/atmega/mega1284p-xplained/src/mega1284p_xplained.h
|
||||
*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||
* contributor license agreements. See the NOTICE file distributed with
|
||||
* this work for additional information regarding copyright ownership. The
|
||||
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance with the
|
||||
* License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||||
* License for the specific language governing permissions and limitations
|
||||
* under the License.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __BOARDS_AVR_ATMEGA_MEGA1284P_XPLAINED_SRC_MEGA1284P_XPLAINED_H
|
||||
#define __BOARDS_AVR_ATMEGA_MEGA1284P_XPLAINED_SRC_MEGA1284P_XPLAINED_H
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/* Configuration ************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Types
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
|
||||
/****************************************************************************
|
||||
* Inline Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Function Prototypes
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef __cplusplus
|
||||
#define EXTERN extern "C"
|
||||
extern "C"
|
||||
{
|
||||
#else
|
||||
#define EXTERN extern
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Name: atmega_spidev_initialize
|
||||
*
|
||||
* Description:
|
||||
* Called to configure SPI chip select GPIO pins for the Amber Web Server.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#if defined(CONFIG_AVR_SPI1) || defined(CONFIG_AVR_SPI2)
|
||||
void weak_function atmega_spidev_initialize(void);
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Name: atmega_led_initialize
|
||||
*
|
||||
* Description:
|
||||
* Configure on-board LEDs if LED support has been selected.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef CONFIG_ARCH_LEDS
|
||||
void atmega_led_initialize(void);
|
||||
#endif
|
||||
|
||||
#undef EXTERN
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* __ASSEMBLY__ */
|
||||
#endif /* __BOARDS_AVR_ATMEGA_MEGA1284P_XPLAINED_SRC_MEGA1284P_XPLAINED_H */
|
||||
Loading…
Reference in New Issue
Block a user