robot-control 0.1.9

A Rust library for controlling DC motor robots via PCA9685 PWM boards over I2C
Documentation 
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//! Error types for the robot-control crate.

use thiserror::Error;

/// Errors that can occur when interacting with a motor driver.
#[derive(Debug, Error)]
pub enum MotorError {
    /// An I2C bus operation failed.
    #[error("I2C error: {0}")]
    I2c(String),

    /// A PWM controller operation, drive input validation, or stopping failed.
    /// Stop failures may collect multiple operation diagnostics in the message.
    #[error("PWM error: {0}")]
    Pwm(String),

    /// The motor driver failed to initialize, or robot configuration was invalid.
    #[error("initialization failed: {0}")]
    Init(String),
}

/// Errors that can occur when controlling the robot.
#[derive(Debug, Error)]
pub enum RobotError {
    /// A motor driver operation or controller validation failed.
    #[error(transparent)]
    Motor(#[from] MotorError),

    /// The robot has already been shut down.
    #[error("robot has been shut down")]
    Shutdown,
}