使用RasPiArduino为树莓派Zero编程控制L298n电机时遇语法错误

Hey there, let's get to the bottom of this issue—you're hitting a syntax error because there's a critical misunderstanding here about what the Arduino IDE's compiled binary is meant for.

Why This Happens #

The binary file you exported from Arduino IDE (like .hex or .bin) is compiled for Arduino microcontrollers (e.g., AVR chips like ATmega328P), not for the Raspberry Pi's ARM-based Linux operating system. When you try to run this file via SSH on your Pi, the Linux kernel has no idea how to execute it, hence the syntax error.

Your Two Best Solutions #

Since you already had success controlling the motors with Python, you have two straightforward paths forward:

1. Stick with Python (Quickest & Easiest)

You don't need to switch to Arduino IDE at all! Your existing Python script already works, so you can:

• Modify that script to fit your new requirements
• Run it directly via SSH with python3 your_script.py (or python depending on your Pi's setup)
• Even set it to run on boot if needed using systemd or crontab

2. Use Arduino-like Syntax on Raspberry Pi (If You Prefer C/C++)

If you really want to use a syntax similar to Arduino for GPIO control, use the WiringPi library—it's designed specifically for Raspberry Pi and mimics Arduino's GPIO API. Here's how to set it up:

• First, install WiringPi:

  sudo apt-get update && sudo apt-get install wiringpi
  

• Write a C program for your L298N motor driver (example snippet):

  #include <wiringPi.h>
  
  // Define L298N pins (adjust to match your wiring)
  const int IN1 = 0;
  const int IN2 = 1;
  const int ENA = 2;
  
  int main(void) {
    wiringPiSetup();
    pinMode(IN1, OUTPUT);
    pinMode(IN2, OUTPUT);
    pinMode(ENA, OUTPUT);
  
    // Set motor to run forward at full speed
    digitalWrite(IN1, HIGH);
    digitalWrite(IN2, LOW);
    analogWrite(ENA, 255);
  
    delay(2000); // Run for 2 seconds
  
    // Stop the motor
    digitalWrite(IN1, LOW);
    digitalWrite(IN2, LOW);
    analogWrite(ENA, 0);
  
    return 0;
  }
  

• Compile the program (replace motor_control.c with your actual filename):

  gcc -o motor_control motor_control.c -lwiringPi
  

• Run it (root access is required for GPIO control):

  sudo ./motor_control
  

What Not to Do #

Don't try to run Arduino-compiled binaries on the Raspberry Pi—they're fundamentally incompatible. The Arduino IDE is built for programming standalone microcontrollers, not Linux-based single-board computers like the Pi.

内容的提问来源于stack exchange，提问作者Daniel M