112 lines
3.8 KiB
ReStructuredText
112 lines
3.8 KiB
ReStructuredText
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NXP S32K144EVB
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==============
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`NXP S32K144EVB-Q100 <https://www.nxp.com/design/development-boards/automotive-development-platforms/s32k-mcu-platforms/s32k144-q100-general-purpose-evaluation-board:S32K144EVB>`_ is an evaluation board for the `NXP S32K144 MCU <https://www.nxp.com/products/processors-and-microcontrollers/s32-automotive-platform/s32k-general-purpose-mcus/s32k1-microcontrollers-for-general-purpose:S32K1>`_ based on an Arm Cortex-M4F core.
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Features
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========
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- NXP FS32K144HFT0VLLT MCU
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- 80 MHz Clock (Max.)
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- 512 Kb Flash
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- 64 Kb SRAM
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- 4 Kb EEPROM
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- NXP UJA1169TK/F System Basis Chip
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- Connectivity:
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- OpenSDA UART (Console @ 115,200 baud)
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- CAN 2.0 (Transceiver part of UJA1169 SBC)
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- I/O headers with GPIO, I2C, SPI, etc.
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Serial Console
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==============
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By default, the serial console will be provided on the OpenSDA VCOM port:
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=============== ==== ==========
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OpenSDA UART RX PTC6 LPUART1_RX
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OpenSDA UART TX PTC7 LPUART1_TX
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=============== ==== ==========
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USB drivers for the PEmicro CDC Serial Port are available here: http://www.pemicro.com/opensda/
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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 S32K144EVB has one RGB LED:
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======== ===== ========
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RedLED PTD15 FTM0 CH0
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GreenLED PTD16 FTM0 CH1
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BlueLED PTD0 FTM0 CH2
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======== ===== ========
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An output of '0' illuminates the LED.
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If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in any way. The following definitions are used to access individual RGB components (see s32k144evb.h):
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- GPIO_LED_R
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- GPIO_LED_G
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- GPIO_LED_B
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The RGB components could, alternatively, be controlled through PWM using the common RGB LED driver.
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If CONFIG_ARCH_LEDs is defined, then NuttX will control the LEDs on board the S32K144EVB. The following definitions describe how NuttX controls the LEDs:
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================ ======================= ===== ===== ====
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State Description RED GREEN BLUE
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================ ======================= ===== ===== ====
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LED_STARTED NuttX has been started OFF OFF OFF
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LED_HEAPALLOCATE Heap has been allocated OFF OFF ON
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LED_IRQSENABLED Interrupts enabled OFF OFF ON
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LED_STACKCREATED Idle stack created OFF ON OFF
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LED_INIRQ In an interrupt
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LED_SIGNAL In a signal handler
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LED_ASSERTION An assertion failed
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LED_PANIC The system has crashed FLASH OFF OFF
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LED_IDLE S32K144 in sleep mode
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================ ======================= ===== ===== ====
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Buttons
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-------
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The S32K144EVB supports two buttons:
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=== =====
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SW2 PTC12
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SW3 PTC13
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=== =====
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OpenSDA Notes
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=============
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- USB drivers for the PEmicro CDC Serial Port are available here: http://www.pemicro.com/opensda/
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- The drag'n'drog interface expects files in .srec format.
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- Using Segger J-Link: Easy... but remember to use the SWD connector J14 near the touch electrodes and not the OpenSDA connector near the OpenSDA USB connector J7.
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Configurations
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==============
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Each S32K144EVB configuration is maintained in a sub-directory and can be selected as follows::
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tools/configure.sh s32k144evb:<subdir>
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Where <subdir> is one of the sub-directories listed in the next paragraph.
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NOTES (common for all configurations):
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1. This configuration uses the mconf-based configuration tool. To change this configuration using that tool, you should:
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a. Build and install the kconfig-mconf tool. See nuttx/README.txt. Also see additional README.txt files in the NuttX tools repository.
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b. Execute 'make menuconfig' in nuttx/ in order to start the reconfiguration process.
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2. Unless otherwise stated, the serial console used is LPUART1 at 115,200 8N1.
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nsh
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---
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Configures the NuttShell (nsh) located at apps/examples/nsh. Support for builtin applications is enabled, but in the base configuration the only application selected is the "Hello, World!" example.
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