[add][RTduino] Fitter RTduino in frdm-mcxa346

bsp/nxp/mcx/mcxa/frdm-mcxa346/applications/SConscript

@@ -7,6 +7,9 @@ src     = Glob('*.c')
 
 group = DefineGroup('Applications', src, depend = [''], CPPPATH = CPPPATH)
 
+if GetDepend(['PKG_USING_RTDUINO']) and not GetDepend(['RTDUINO_NO_SETUP_LOOP']):
+    src += ['arduino_main.cpp']
+
 list = os.listdir(cwd)
 for item in list:
     if os.path.isfile(os.path.join(cwd, item, 'SConscript')):

bsp/nxp/mcx/mcxa/frdm-mcxa346/applications/arduino_main.cpp

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2025-12-08     westcity-yolo  first version
+ * 
+ */
+
+#include <Arduino.h>
+
+void setup(void)
+{
+    /* put your setup code here, to run once: */
+    Serial.begin();
+    Serial.println("Hello RTduino!");
+}
+
+void loop(void)
+{
+    /* put your main code here, to run repeatedly: */
+    delay(1000);
+}

bsp/nxp/mcx/mcxa/frdm-mcxa346/applications/arduino_pinout/SConscript

@@ -0,0 +1,9 @@
+from building import *
+
+cwd = GetCurrentDir()
+src = Glob('*.c') + Glob('*.cpp')
+inc = [cwd]
+
+group = DefineGroup('RTduino-pinout', src, depend = ['PKG_USING_RTDUINO'], CPPPATH = inc)
+
+Return('group')

bsp/nxp/mcx/mcxa/frdm-mcxa346/applications/arduino_pinout/pins_arduino.c

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2023-02-22     ChuShicheng  first version
+ * 2023-02-23     Wangyuqiang  second version
+ */
+
+#include <Arduino.h>
+#include <board.h>
+#include <drv_pin.h>
+#include "pins_arduino.h"
+
+/*
+ * {Arduino Pin, RT-Thread Pin [, Device Name, Channel]}
+ * [] means optional
+ * Digital pins must NOT give the device name and channel.
+ * Analog pins MUST give the device name and channel(ADC, PWM or DAC).
+ * Arduino Pin must keep in sequence.
+ */
+const pin_map_t pin_map_table[]=
+{
+    {D0, GET_PINS(2,3), "uart2"},      /* Serial2-RX */
+    {D1, GET_PINS(2,2), "uart2"},      /* Serial2-TX */
+    {D2, GET_PINS(3,31)},
+    {D3, GET_PINS(3,14), "pwm1", 1},    /* PWM */
+    {D4, GET_PINS(4,7)},   
+    {D5, GET_PINS(3,1), "pwm0", 0},     /* PWM */
+    {D6, GET_PINS(3,17), "pwm1", 0},    /* PWM */
+    {D7, GET_PINS(3,22)},
+    {D8, GET_PINS(4,3)},
+    {D9, GET_PINS(3,13), "pwm1", 2},     /* PWM */
+    {D10, GET_PINS(3,11),"spi1"},     /* SPI-SS */
+    {D11, GET_PINS(3,8), "spi1"},     /* SPI-SDO */
+    {D12, GET_PINS(3,9), "spi1"},     /* SPI-SDI */
+    {D13, GET_PINS(3,10),"spi1"},    /* SPI-SCK */
+    {D18, GET_PINS(1,8),"i2c2"},      /* I2C-SDA (Wire) */
+    {D19, GET_PINS(1,9),"i2c2"},      /* I2C-SCL (Wire) */
+    {A0, GET_PINS(1,14),"adc1", 12},    /* ADC */
+    {A1, GET_PINS(2,5), "adc1", 1},     /* ADC */
+    {A2, GET_PINS(2,7),"adc0", 7},      /* ADC */
+    {A3, GET_PINS(3,30),"adc1", 21},
+    {A4, GET_PINS(1,0),"i2c1"},       /* I2C-SDA (Wire) */
+    {A5, GET_PINS(1,1),"i2c1"},       /* I2C-SCL (Wire) */
+
+};

bsp/nxp/mcx/mcxa/frdm-mcxa346/applications/arduino_pinout/pins_arduino.h

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2025-12-08     westcity-yolo  first version
+ * 
+ */
+
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#define GET_PINS(PORTx, PINx)      (32 * PORTx + PINx)   
+
+/* pins alias. Must keep in sequence */
+#define D0        (0)
+#define D1        (1)
+#define D2        (2)
+#define D3        (3)
+#define D4        (4)
+#define D5        (5)
+#define D6        (6)
+#define D7        (7)
+#define D8        (8)
+#define D9        (9)
+#define D10       (10)
+#define D11       (11)
+#define D12       (12)
+#define D13       (13)
+#define D18       (14)
+#define D19       (15)
+
+#define A0        (16)
+#define A1        (17)
+#define A2        (18)
+#define A3        (19)
+#define A4        (20)
+#define A5        (21)
+#define A6        (22)
+#define A7        (23)
+
+#define RTDUINO_PIN_MAX_LIMIT A7 /* pin number max limit check */
+
+#define F_CPU          180000000L  /* CPU:180MHz */
+
+/* i2c2 : P(,1_8-SDA P(,1_9-SCL */
+#define RTDUINO_DEFAULT_IIC_BUS_NAME    "i2c2"
+
+/* Serial2 : P(,2_2-TX  P(,2_3-RX */
+#define RTDUINO_SERIAL2_DEVICE_NAME      "uart2"
+
+/* spi1 : P(,3_8-SDO P(,3_9-SDI  P(,3_10-SCK P(,3_11-SS */
+
+#define RTDUINO_DEFAULT_SPI_BUS_NAME    "spi1"
+
+#endif /* Pins_Arduino_h */

bsp/nxp/mcx/mcxa/frdm-mcxa346/board/Kconfig

@@ -123,6 +123,23 @@ menu "On-chip Peripheral Drivers"
                 endif
 endmenu
 
+menu "Onboard Peripheral Drivers"
+    config BSP_USING_ARDUINO
+        bool "Compatible with Arduino Ecosystem (RTduino)"
+        select PKG_USING_RTDUINO
+        select BSP_USING_UART2
+        select BSP_USING_GPIO
+        select BSP_USING_ADC
+        select BSP_USING_ADC0
+        select BSP_USING_ADC0_CH0
+        select BSP_USING_PWM
+        select BSP_USING_I2C
+        select BSP_USING_I2C1
+        select RTDUINO_USING_WIRE
+        imply RTDUINO_USING_SERVO
+        default n
+ endmenu
+
 
 menu "Board extended module Drivers"
     menuconfig BSP_USING_RW007