Arduino Core for Seeed i.MX RT Series Boards

This repository contains the Arduino BSP for Seeed i.MX RT Series:

Arch Mix

How to load the bootloader

FYI here

Add the imxrt-based board to the Arduino IDE

Step 1. Download the latest Arduino IDE

You need a Arduino IDE that after version 1.6.4, please download one if there's no Arduino IDE in your computer.

Step 2. Setting your Arduino IDE

Open your Arudino IDE, click on File > Preferences, and copy below url to Additional Boards Manager URLs

https://files.seeedstudio.com/arduino/package_seeeduino_boards_index.json

Build ArduinoCore-imxrt with cmake

git clone https://github.com/seeed-Studio/ArduinoCore-imxrt 
cd ArduinoCore-imxrt 
mkdir -p examples/Blink
touch  examples/Blink/Blink.ino  #You can write your own arduino code here
mkdir build && cd build
# Make sure you cross-compile the toolchain with the correct path
cmake .. -DPROJ=Blink -DTOOLCHAIN=~/gcc-arm-none-eabi/bin -DBOARD=arch_mix -DCPU=MIMXRT1052DVL6B

Add the imxrt-based board to the platformIO

Arduincore-imxrt supports not only ArduinoIDE development, but also PlatformIO platform. PlatformIO is an open source ecosystem for IoT development. Currently, you need to manually configure ArduinoCore-imxrt to the platformIO platform.

step 1. Install platformIO IDE

you can follow this guide.

step 2. Download the following resources

platform-nxpimxrt
ArduinoCore-imxrt
flash tool

Download the version according to your system.
- Windows
- Linux
- Mac OS

step 3. Extract the corresponding file to the corresponding directory

Find the installation directory of platformIO IDE.

Usually its will be in the user directory, which name ".platformio"
Extract the platform-imxrt to [user]/.platformio/platforms/
Extract the ArduinoCore-imxrt to [user]/.platformio/packages/
Extract the flash tool to [user]/.platformio/packages/

step 4. Create the platformIO project

Develop using the SDK

You can develop your applications using the SDK Whether you're on platform IDE or Arduino IDE.

extern "C"
{
  #include "clock_config.h"
  #include "board.h"
  #include "system_MIMXRT1052.h"
  #include "virtual_com.h"
  #include "fsl_iomuxc.h"
  #include "fsl_gpio.h"
}
//USER_LED_R
#define EXAMPLE_LED_GPIO    GPIO1
#define EXAMPLE_LED_GPIO_PIN    9

/*******************************************************************************
 * Variables
 ******************************************************************************/
volatile uint32_t g_systickCounter;

volatile bool g_pinSet = false;
/*******************************************************************************
 * Code
 ******************************************************************************/
extern "C"
{
// ISR must complier with C
void SysTick_Handler(void)
{
    if (g_systickCounter != 0U)
    {
        g_systickCounter--;
    }
}
}

void SysTick_DelayTicks(uint32_t n)
{
    g_systickCounter = n;
    while (g_systickCounter != 0U)
    {
    }
}


void LED_Init()
{
  CLOCK_EnableClock(kCLOCK_Iomuxc);       
  IOMUXC_SetPinMux(
      IOMUXC_GPIO_AD_B0_09_GPIO1_IO09,        
      0U);                                   
  IOMUXC_SetPinConfig(
      IOMUXC_GPIO_AD_B0_09_GPIO1_IO09,      
      0x10B0U);     
  // OUTPUT MODE
  gpio_pin_config_t led_config = {kGPIO_DigitalOutput, 0, kGPIO_NoIntmode};
  GPIO_PinInit(EXAMPLE_LED_GPIO, EXAMPLE_LED_GPIO_PIN, &led_config);                         
}

int main()
{
    BOARD_BootClockRUN();
    SystemCoreClockUpdate();
     /* Set systick reload value to generate 1ms interrupt */
    if (SysTick_Config(SystemCoreClock / 1000U))
    {
        while (1)
        {
        }
    }
    vcom_cdc_init(); // keep it for auto into bootloader next times
    
    while (1)
    {
        /* Delay 1000 ms */
        SysTick_DelayTicks(1000U);
        if (g_pinSet)
        {
            GPIO_PinWrite(EXAMPLE_LED_GPIO, EXAMPLE_LED_GPIO_PIN, 0U);
            g_pinSet = false;
        }
        else
        {
            GPIO_PinWrite(EXAMPLE_LED_GPIO, EXAMPLE_LED_GPIO_PIN, 1U);
            g_pinSet = true;    
        }
    }

}

FAQ

ArduinoCore-imxrt is a very interesting software project to help all of you develop High performance MCU applications in an easier way. We can't guarantee that there is no any of bug. If you encounter any compatibility issues or have any new ideas, feel free to check our GitHub link and forum to communicate with us, we will try our best to solve the problems you have encountered.

License

Seeed-Studio/ArduinoCore-imxrt

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