106 lines
2.5 KiB
ReStructuredText
106 lines
2.5 KiB
ReStructuredText
==============
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ESP32-2432S028
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==============
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The ESP32-2432S028 is a development board based on an ESP32-WROVER-32 module. It is designed for a
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wide range of applications, particularly in the field of the Internet of Things (IoT).
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.. list-table::
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:align: center
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* - .. figure:: esp32-2432S028-front.png
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:align: center
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ESP32-2432S028 board layout - front
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- .. figure:: esp32-2432s028-back.png
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:align: center
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ESP32-2432S028 board layout - back
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Features
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========
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- LCD screen (2.8 inch)
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- MicroSD card slot
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- RGB LED
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- Audio
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- Light Dependent Resistor (LDR)
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Most of I/O pins are broken out to the boards, but from the back side of the board, there are
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some pins available are separated into two connectors femme JST 1.28 mm 4P.
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Serial Console
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==============
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UART0 is, by default, the serial console. It connects to the on-board
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CH340 converter.
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Buttons and LEDs
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================
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Board Buttons
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-------------
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There are two buttons labeled BOOT and RST. The RST button is not available
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to software. It pulls the chip enable line that doubles as a reset line.
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The BOOT button is connected to IO0. On reset it is used as a strapping
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pin to determine whether the chip boots normally or into the serial
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bootloader. After reset, however, the BOOT button can be used for software
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input.
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Board LEDs
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----------
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There is one RGB LED available.
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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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0 BOOT Button
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2 LCD Reset
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4 RGB LED Green
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12 LCD MISO
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13 LCD MOSI
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14 LCD Clock
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15 LCD CS
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16 RGB LED Blue
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17 RGB LED Red
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21 LCD Backlight
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26 Audio Out
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34 LDR
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===== ========================= ==========
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Configurations
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==============
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All of the configurations presented below can be tested by running the following commands::
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$ ./tools/configure.sh esp32-2432S028:<config_name>
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$ make flash ESPTOOL_PORT=/dev/ttyUSB0 -j
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Where <config_name> is the name of board configuration you want to use, i.e.: nsh, buttons, wifi...
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Then use a serial console terminal like ``picocom`` configured to 115200 8N1.
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lvgl
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----
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This is a demonstration of the LVGL graphics library running on the NuttX LCD
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driver. You can find LVGL here::
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https://www.lvgl.io/
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https://github.com/lvgl/lvgl
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This configuration uses the LVGL demonstration at `apps/examples/lvgldemo`.
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nsh
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---
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Basic NuttShell configuration (console enabled in UART0, exposed via
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USB connection by means of CH340 converter, at 115200 bps).
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