141 lines
2.5 KiB
ReStructuredText
141 lines
2.5 KiB
ReStructuredText
===========
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nRF52840-DK
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===========
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The `NRF52840-DK (PCA10056) <https://www.nordicsemi.com/Products/Development-hardware/nRF52840-DK>`_
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is a development board for the nRF52840 SoC from Nordic.
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Serial Console
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==============
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The PCA10056 default console is the UART0.
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The PCA10056 does not have RS-232 drivers or serial connectors on board.
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UART0 is connected to the virtual COM port:
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======== =====
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Signal PIN
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======== =====
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UART0-RX P0.08
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UART0-TX P0.06
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======== =====
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LEDs and Buttons
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================
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LEDs
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----
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The PCA10056 has 4 user-controllable LEDs:
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==== =======
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LED MCU
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==== =======
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LED1 P0.13
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LED2 P0.14
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LED3 P0.15
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LED4 P0.26
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==== =======
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A low output illuminates the LED.
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Pushbuttons
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-----------
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======= =======
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BUTTON MCU
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======= =======
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BUTTON1 P0.11
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BUTTON2 P0.12
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BUTTON3 P0.24
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BUTTON4 P0.25
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======= =======
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Configurations
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==============
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Each configuration is maintained in a sub-directory and can be selected as
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follow::
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tools/configure.sh nrf52840-dk:<subdir>
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Where <subdir> is one of the following:
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adc
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----
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This configuration shows the use of the ADC peripheral.
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buttons
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-------
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This configuration shows the use of the buttons subsystem.
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cdcacm
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-------
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NuttShell configuration with support for CDC/ACM USB device driver.
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composite
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---------
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NuttShell configuration with support for CDC/ACM with RNDIS composite driver.
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highpri
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-------
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This application demonstrates high priorty interrupt feature of the NuttX.
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nsh
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----
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Basic NuttShell configuration (console enabled in UART0, exposed via J-Link VCOM connection,
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at 115200 bps).
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ostest_tickless
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---------------
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This is a NSH configuration that includes ``apps/testing/ostest`` as a builtin
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and enable support for the tick-less OS.
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pwm
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---
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This configuration shows the use of the PWM peripheral.
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qspi
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----
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NuttShell configuration with enabled support for on-board MX25R QSPI memory.
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rndis
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-----
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NuttShell configuration with support for RNDIS USB device driver.
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sdc
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---
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Enables Nordic's SoftDevice controller and uses NuttX BLE stack for the host-layer.
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The ``btsak`` application is included as a builtin.
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sdc_nimble
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----------
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Enables Nordic's SoftDevice controller and uses nimBLE for the host-layer.
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The ``nimble`` test application can be used to enable a simple GATT server.
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sx127x
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------
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NuttShell configuration with support for sx127x chip.
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timer
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------
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This configuration shows the use of the TIMER peripheral.
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usbnsh
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------
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Basic NuttShell configuration (CDCACM console enabled in USB Port, at 115200 bps).
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