2020-11-29 00:44:15 +01:00
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/**
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@defgroup boards_qn9080dk QN9080DK base board
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@ingroup boards
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@brief Support for the QN9080DK base board.
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2023-01-10 16:10:50 +01:00
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### General Information
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@image html "https://lv.farnell.com/productimages/large/en_GB/2775176-40.jpg" "Top View of the QN9080DK V1.2" width=80%
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2020-11-29 00:44:15 +01:00
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The QN9080DK is the developer board reference from NXP for the QN908x CPUs.
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The developer kit comes with two boards: a larger PCB with a QFN "module"
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including a QN9080DHN soldered onto it, altogether referred as the "base
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board"; and separately a much smaller USB dongle with another QN9080 cpu.
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This board module supports the "base board" only, including the definitions
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of the gpio, buttons and LEDs specific to this board.
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This board packs a few peripherals and many GPIOs:
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* MMA8652FC, a 12-bit accelerometer
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*
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The board also features a dedicated programmer hardware implemented using NXP's
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LPC4322, with its dedicated USB port for connecting to a computer on one end
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and the SWD port and one UART RX/TX pair connected to the QN9080 on the other
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end. The LPC4322 also has a fast (50 ksps) ADC ADC122S021 connected to a
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current sense amplifier to monitor the QN9080 current profile directly on
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the board.
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For more information visit NXP's product description page for the
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[QN9080-DK](https://www.nxp.com/QN9080DK) where you can find the User's
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Guide.
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2023-01-10 16:10:50 +01:00
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### Pinout
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2023-01-10 16:10:50 +01:00
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#### Buttons:
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2020-11-29 00:44:15 +01:00
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| Label | RIOT OS macro | MCU PIN | Function |
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|:----- |:------------- |:-------- |:--------- |
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| SW1 | BTN1_PIN | PA24 | User defined |
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| SW2 | BTN2_PIN | PA19 | User defined |
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| SW3 | | nRESET | QN9080 reset |
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2023-01-10 16:10:50 +01:00
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#### One RGB led, controlled by three GPIOs
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2020-11-29 00:44:15 +01:00
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| Label | RIOT OS macro | MCU PIN |
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|:----- |:------------- |:-------- |
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| red | LED_RED_PIN | PA31 |
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| green | LED_GREEN_PIN | PA25 |
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| blue | LED_BLUE_PIN | PA13 |
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#### SPI Flash
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| Name | MCU Pin |
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|:----- |:--------- |
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| MISO | PA05 |
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| MOSI | PA04 |
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| SSEL | PA03 |
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| SCK | PA30 |
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#### USB
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| Name | MCU Pin |
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|:----- |:--------- |
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| D+ | PA26 |
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| D- | PA27 |
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#### I2C / MMA8652FC G-Sensor
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@note The jumper JP11 needs to be in place to connect the I2C sensor to the
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pins. This is the default when freshly unboxed.
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| Name | MCU Pin |
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|:----- |:--------- |
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| SCL | PA06 |
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| SDA | PA07 |
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The MMA8652 sensor has I2C address 0x1d.
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### Flashing the Board
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The integrated programmer by default comes with an "LPC-LINK2" firmware that
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provides a CMSIS DAP compatible interface. The programmer can be flashed with
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a Segger J-Link firmware via DFU, see the [LPCSCrypt User Guide][LPCScrypt] for
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details. It seems that the J-Link firmware is indeed a bit more reliable, so
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if you run into issues during debugging and/or flashing, switching to the
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J-Link firmware is an option.
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[LPCScrypt]: https://web.archive.org/web/20220225151231/https://www.nxp.com/docs/en/user-guide/LPCScrypt_User_Guide.pdf
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#### Using the Internal Programmer with Default Firmware
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In the application directory, run:
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```
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make BOARD=qn9080dk flash
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```
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OpenOCD support for the QN908x flash is experimental and available as pending
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[patch](https://review.openocd.org/c/openocd/+/5584).
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#### Using the Internal Programmer with J-Link Firmware
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In the application directory, run:
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2023-01-10 16:10:50 +01:00
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```
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make BOARD=qn9080dk QN9080DK_JLINK=1 flash
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```
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2020-11-29 00:44:15 +01:00
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2023-01-10 16:10:50 +01:00
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@note Instead of passing `QN9080DK_JLINK=1` every time, it can also be exported
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as environment variable.
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2020-11-29 00:44:15 +01:00
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2023-01-10 16:10:50 +01:00
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#### Using an External Programmer
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By setting the jumper at `JP2` to `EXT` the internal LPC4322 debugger/programmer
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is disconnect and an external programmer can be connected at header `P1` using
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a standard 10 pin 1.27 mm debug connector.
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2020-11-29 00:44:15 +01:00
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*/
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