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mikroSDK Library

DC Motor 11 click

Rating:

5

Author: MIKROE

Last Updated: 2019-07-22

Package Version: 1.0.0.0

mikroSDK Library: 1.0.0.0

Category: Brushed

Downloaded: 4230 times

Not followed.

License: MIT license  

DC Motor 11 Click is a brushed DC motor driver with the current limiting and current sensing. It is based on the DRV8830, an integrated H-Bridge driver IC, optimized for motor driving applications.

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  • mikroSDK Library 2.0.0.0
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mikroSDK Library Blog

DC Motor 11 click

DC Motor 11 click

Native view of the DC Motor 11 click board.

View full image
DC Motor 11 click

DC Motor 11 click

Front and back view of the DC Motor 11 click board.

View full image

Library Description

The library contains all the necessary functions for full DC motor control.

Key functions:

  • void dcmotor11_control(uint8_t dir, uint8_t speed) - Motor Control.
  • void dcmotor11_stop() - Motor Stop.
  • uint8_t dcmotor11_getFault() - Get Fault.

Examples description

The application is composed of three sections :

  • System Initialization - Initialzes I2C module and sets INT pin as INPUT
  • Application Initialization - Initialization driver init and sets first motor settings.
  • Application Task - Waits for valid user input and executes functions based on set of valid commands.
  • Commands : '+' - Voltage (Speed) up '-' - Voltage (Speed) down 's' - Motor State - Stop/Start 'd' - Direction - Forword/Backword
void applicationTask()
{
    uint8_t dataReady_;
    char receivedData_;

    dataReady_ = UART_Rdy_Ptr( );

    if (dataReady_ != 0)
    {
        receivedData_ = UART_Rd_Ptr( );

        switch (receivedData_)
        {
            case '+' :
            {
                /* Speed increase */
                motorSpeed += 4;
                if(motorSpeed >= _DCMOTOR11_VSET_4820mV)
                {
                    mikrobus_logWrite("---- MAX SPEED ----", _LOG_LINE);
                    motorSpeed = _DCMOTOR11_VSET_4820mV;
                    dcmotor11_control(motorDir, motorSpeed);
                }
                else
                {
                    mikrobus_logWrite("---- Speed increase ----", _LOG_TEXT);
                    
                    mikrobus_logWrite(" MOTOR SPEED: ", _LOG_TEXT);
                    IntToStr(motorSpeed, demoText);
                    mikrobus_logWrite(demoText, _LOG_LINE);
                    
                    dcmotor11_control(motorDir, motorSpeed);
                }
                break;
            }
            case '-' :
            {
                /* Speed decrease */
                motorSpeed -= 4;
                if( motorSpeed < _DCMOTOR11_VSET_480mV )
                {
                    mikrobus_logWrite("---- MIN SPEED ----", _LOG_LINE);
                    motorSpeed = _DCMOTOR11_VSET_480mV;
                }
                else
                {
                    mikrobus_logWrite("---- Speed decrease ----", _LOG_TEXT);
                    
                    mikrobus_logWrite(" MOTOR SPEED: ", _LOG_TEXT);
                    IntToStr(motorSpeed, demoText);
                    mikrobus_logWrite(demoText, _LOG_LINE);
                    
                    dcmotor11_control(motorDir, motorSpeed);
                }
                break;
            }
            case 's' :
            {
                /* Stop / Start */
                if(fMotorState == 1)
                {
                     mikrobus_logWrite("---- Stop Motor!!! ----", _LOG_LINE);
                     fMotorState = 0;
                     dcmotor11_stop();
                }
                else
                {
                    mikrobus_logWrite("---- Start Motor ----", _LOG_LINE);
                    fMotorState = 1;
                    motorSpeed = _DCMOTOR11_VSET_480mV;
                    dcmotor11_control(motorDir, motorSpeed);
                }
                break;
            }
            case 'd' :
            {
                /* Direction - Forward / Backword */
                if(motorDir == 2)
                {
                     mikrobus_logWrite("---- Direction - [FORWARD] ----", _LOG_LINE);
                     motorDir = 1;
                     dcmotor11_control(motorDir, motorSpeed);
                }
                else
                {
                    mikrobus_logWrite("---- Direction - [BACKWARD] ----", _LOG_LINE);
                    motorDir = 2;
                    dcmotor11_control(motorDir, motorSpeed);
                }
                break;
            }
        }
    }
}


The full application code, and ready to use projects can be found on our LibStock page.

Other mikroE Libraries used in the example:

  • I2C
  • UART
  • Conversions

Additional notes and informations

Depending on the development board you are using, you may need USB UART clickUSB UART 2 click or RS232 click to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.

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