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Add DualMCU RP2040 board support #19218

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Add DualMCU RP2040 board support #19218

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d5ad660
rp2/boards/DUALMCU_RP2040: Add board definition.
May 13, 2026
e3a4cc3
tools/ci: Remove CI build entry for DUALMCU_RP2040 board.
May 14, 2026
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19 changes: 19 additions & 0 deletions ports/rp2/boards/DUALMCU_RP2040/README.md
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# UNIT Electronics DualMCU RP2040 + ESP32

Board definition for the RP2040 side of the DualMCU board.

## Default buses

- LED: GPIO25
- UART0: TX=GPIO0, RX=GPIO1
- UART1: TX=GPIO8, RX=GPIO9
- I2C0: SDA=GPIO12, SCL=GPIO13
- SPI0: SCK=GPIO18, MOSI=GPIO19, MISO=GPIO20, CS=GPIO21

## Build

```bash
make -C mpy-cross
make -C ports/rp2 BOARD=DUALMCU_RP2040 submodules
make -C ports/rp2 BOARD=DUALMCU_RP2040
```
19 changes: 19 additions & 0 deletions ports/rp2/boards/DUALMCU_RP2040/board.json
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{
"deploy": [
"../deploy.md"
],
"docs": "",
"features": [
"Dual-core",
"External Flash",
"USB"
],
"images": [
"https://uelectronics.com/wp-content/uploads/2023/03/AR3578-UNIT-DualMCU-ESP32-RP2040-6.jpg"
],
"mcu": "rp2040",
"product": "DualMCU RP2040 + ESP32",
"thumbnail": "",
"url": "https://uelectronics.com/producto/unit-dualmcu-esp32-rp2040-tarjeta-de-desarrollo/",
"vendor": "UNIT Electronics"
}
3 changes: 3 additions & 0 deletions ports/rp2/boards/DUALMCU_RP2040/mpconfigboard.cmake
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# cmake file for UNIT Electronics DualMCU RP2040 + ESP32.
set(PICO_BOARD "pico")
set(PICO_PLATFORM "rp2040")
25 changes: 25 additions & 0 deletions ports/rp2/boards/DUALMCU_RP2040/mpconfigboard.h
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// Board config for UNIT Electronics DualMCU RP2040 + ESP32.

// Board and hardware specific configuration
#define MICROPY_HW_BOARD_NAME "DualMCU RP2040"
#define MICROPY_HW_ENABLE_UART_REPL (1)

// UART defaults from board pinout.
#define MICROPY_HW_UART0_TX (0)
#define MICROPY_HW_UART0_RX (1)
#define MICROPY_HW_UART0_CTS (-1)
#define MICROPY_HW_UART0_RTS (-1)

#define MICROPY_HW_UART1_TX (8)
#define MICROPY_HW_UART1_RX (9)
#define MICROPY_HW_UART1_CTS (-1)
#define MICROPY_HW_UART1_RTS (-1)

// I2C0 defaults from board pinout.
#define MICROPY_HW_I2C0_SDA (12)
#define MICROPY_HW_I2C0_SCL (13)

// SPI0 defaults from board pinout.
#define MICROPY_HW_SPI0_SCK (18)
#define MICROPY_HW_SPI0_MOSI (19)
#define MICROPY_HW_SPI0_MISO (20)
29 changes: 29 additions & 0 deletions ports/rp2/boards/DUALMCU_RP2040/pins.csv
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TX0,GPIO0
RX0,GPIO1
IO2,GPIO2
IO3,GPIO3
CIPO,GPIO4
IO6,GPIO6
COPI,GPIO7
TX1,GPIO8
RX1,GPIO9
IO10,GPIO10
IO11,GPIO11
IO12,GPIO12
IO13,GPIO13
IO14,GPIO14
IO15,GPIO15
SCK,GPIO18
MOSI,GPIO19
MISO,GPIO20
CS,GPIO21
IO22,GPIO22
IO23,GPIO23
IO25,GPIO25
A0,GPIO26
A1,GPIO27
A2,GPIO28
A3,GPIO29
SDA,GPIO12
SCL,GPIO13
LED,GPIO25
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