nuttx/boards/arm/stm32/nucleo-f410rb
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Kconfig
README.txt

README
======

This README discusses issues unique to NuttX configurations for the ST
NucleoF410RB board from ST Micro.  See

  http://www.st.com/en/evaluation-tools/nucleo-f410rb.html

NucleoF410RB:

  Microprocessor: 32-bit ARM Cortex M4 at 100MHz STM32F410RB
  Memory:         128 KB Flash and 32 KB SRAM
  ADC:            1x12-bit, 2.4 MSPS A/D converter: up to 16 channels
  DAC:            1x12-bit, 2.4 MSPS A/D converter: up to 1 channels
  DMA:            16-stream DMA controllers with FIFOs and burst support
  Timers:         Up to 11 timers: up to 5 16-bit, 1 32-bit timers, two
                  watchdog timers, and a SysTick timer
  GPIO:           Up to 81 I/O ports with interrupt capability
  I2C:            Up to 3 I2C interfaces
  USARTs:         Up to 3 USARTs
  SPIs:           Up to 4 SPIs (2 I2S)
  CRC calculation unit
  RTC

  Peripherals:    1 led, 1 push button
  Debug:          Serial wire debug and JTAG interfaces
  Expansion I/F   Ardino and Morpho Headers

  Uses a STM32F103 to provide a ST-Link for programming, debug similar to the
  OpenOcd FTDI function - USB to JTAG front-end.

  See https://os.mbed.com/platforms/ST-Nucleo-F410RB for more
  information about this board.

Contents
========

  - Nucleo-64 Boards
  - Button
  - LED
  - USARTs and Serial Consoles
  - Configurations

Nucleo-64 Boards
================

The Nucleo-F410RB board is member of the Nucleo-64 board family.  The
Nucleo-64 is a standard board for use with several STM32 parts in the
LQFP64 package.  Variants include

  Order code    Targeted STM32
  ------------- --------------
  NUCLEO-F030R8 STM32F030R8T6
  NUCLEO-F070RB STM32F070RBT6
  NUCLEO-F072RB STM32F072RBT6
  NUCLEO-F091RC STM32F091RCT6
  NUCLEO-F103RB STM32F103RBT6
  NUCLEO-F302R8 STM32F302R8T6
  NUCLEO-F303RE STM32F303RET6
  NUCLEO-F334R8 STM32F334R8T6
  NUCLEO-F401RE STM32F401RET6
  NUCLEO-F410RB STM32F410RBT6
  NUCLEO-F411RE STM32F411RET6
  NUCLEO-F446RE STM32F446RET6
  NUCLEO-L053R8 STM32L053R8T6
  NUCLEO-L073RZ STM32L073RZT6
  NUCLEO-L152RE STM32L152RET6
  NUCLEO-L452RE STM32L452RET6
  NUCLEO-L476RG STM32L476RGT6

Hardware
========

  Buttons
  -------
  B1 USER: the user button is connected to the I/O PC13 (pin 2) of the STM32
  microcontroller.

  LEDs
  ----
  The Nucleo F410RB provide a single user LED, LD2.  LD2
  is the green LED connected to Arduino signal D13 corresponding to MCU I/O
  PA5 (pin 21) or PB13 (pin 34) depending on the STM32target.

    - When the I/O is HIGH value, the LED is on.
    - When the I/O is LOW, the LED is off.

  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 when the red LED (PE24) is available:

    SYMBOL                Meaning                   LD2
    -------------------  -----------------------  -----------
    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     Blinking
    LED_IDLE             MCU is is sleep mode       Not used

  Thus if LD2, NuttX has successfully booted and is, apparently, running
  normally.  If LD2 is flashing at approximately 2Hz, then a fatal error
  has been detected and the system has halted.

Serial Consoles
===============

  USART1
  ------
  Pins and Connectors:

    RXD: PA11  CN10 pin 14
         PB7   CN7 pin 21
    TXD: PA10  CN9 pin 3, CN10 pin 33
         PB6   CN5 pin 3, CN10 pin 17

  NOTE:  You may need to edit the include/board.h to select different USART1
  pin selections.

  TTL to RS-232 converter connection:

    Nucleo CN10 STM32F410RB
    ----------- ------------
    Pin 21 PA9  USART1_RX   *Warning you make need to reverse RX/TX on
    Pin 33 PA10 USART1_TX    some RS-232 converters
    Pin 20 GND
    Pin 8  U5V

  To configure USART1 as the console:

    CONFIG_STM32_USART1=y
    CONFIG_USART1_SERIALDRIVER=y
    CONFIG_USART1_SERIAL_CONSOLE=y
    CONFIG_USART1_RXBUFSIZE=256
    CONFIG_USART1_TXBUFSIZE=256
    CONFIG_USART1_BAUD=115200
    CONFIG_USART1_BITS=8
    CONFIG_USART1_PARITY=0
    CONFIG_USART1_2STOP=0

  USART2
  -----
  Pins and Connectors:

    RXD: PA3   CN9 pin 1 (See SB13, 14, 62, 63). CN10 pin 37
         PD6
    TXD: PA2   CN9 pin 2(See SB13, 14, 62, 63). CN10 pin 35
         PD5

  UART2 is the default in all of these configurations.

  TTL to RS-232 converter connection:

    Nucleo CN9  STM32F410RB
    ----------- ------------
    Pin 1  PA3  USART2_RX   *Warning you make need to reverse RX/TX on
    Pin 2  PA2  USART2_TX    some RS-232 converters

  Solder Bridges.  This configuration requires:

  - SB62 and SB63 Closed: PA2 and PA3 on STM32 MCU are connected to D1 and D0
    (pin 7 and pin 8) on Arduino connector CN9 and ST Morpho connector CN10
    as USART signals.  Thus SB13 and SB14 should be OFF.

  - SB13 and SB14 Open:  PA2 and PA3 on STM32F103C8T6 (ST-LINK MCU) are
    disconnected to PA3 and PA2 on STM32 MCU.

  To configure USART2 as the console:

    CONFIG_STM32_USART2=y
    CONFIG_USART2_SERIALDRIVER=y
    CONFIG_USART2_SERIAL_CONSOLE=y
    CONFIG_USART2_RXBUFSIZE=256
    CONFIG_USART2_TXBUFSIZE=256
    CONFIG_USART2_BAUD=115200
    CONFIG_USART2_BITS=8
    CONFIG_USART2_PARITY=0
    CONFIG_USART2_2STOP=0

  USART6
  ------
  Pins and Connectors:

    RXD: PC7    CN5 pin2, CN10 pin 19
         PA12   CN10, pin 12
    TXD: PC6    CN10, pin 4
         PA11   CN10, pin 14

  To configure USART6 as the console:

    CONFIG_STM32_USART6=y
    CONFIG_USART6_SERIALDRIVER=y
    CONFIG_USART6_SERIAL_CONSOLE=y
    CONFIG_USART6_RXBUFSIZE=256
    CONFIG_USART6_TXBUFSIZE=256
    CONFIG_USART6_BAUD=115200
    CONFIG_USART6_BITS=8
    CONFIG_USART6_PARITY=0
    CONFIG_USART6_2STOP=0

  Virtual COM Port
  ----------------
  Yet another option is to use UART2 and the USB virtual COM port.  This
  option may be more convenient for long term development, but is painful
  to use during board bring-up.

  Solder Bridges.  This configuration requires:

  - SB62 and SB63 Open: PA2 and PA3 on STM32 MCU are disconnected to D1
    and D0 (pin 7 and pin 8) on Arduino connector CN9 and ST Morpho
    connector CN10.

  - SB13 and SB14 Closed:  PA2 and PA3 on STM32F103C8T6 (ST-LINK MCU) are
    connected to PA3 and PA2 on STM32 MCU to have USART communication
    between them. Thus SB61, SB62 and SB63 should be OFF.

  Configuring USART2 is the same as given above.

  Question:  What BAUD should be configure to interface with the Virtual
  COM port?  115200 8N1?

  Default
  -------
  As shipped, SB62 and SB63 are open and SB13 and SB14 closed, so the
  virtual COM port is enabled.

Configurations
==============

  nsh:
  ---------
    Configures the NuttShell (nsh) located at apps/examples/nsh for the
    Nucleo-F410RB board.  The Configuration enables the serial interfaces
    on UART2.  Support for builtin applications is enabled, but in the base
    configuration no builtin applications are selected (see NOTES below).

    NOTES:

    1. This configuration uses the mconf-based configuration tool.  To
       change this configuration using that tool, you should:

       a. Build and install the kconfig-mconf tool.  See nuttx/README.txt
          see additional README.txt files in the NuttX tools repository.

       b. Execute 'make menuconfig' in nuttx/ in order to start the
          reconfiguration process.