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mikroSDK Library

LED Driver 6 click

Rating:

5

Author: MIKROE

Last Updated: 2019-03-22

Package Version: 1.0.0.0

mikroSDK Library: 1.0.0.0

Category: LED Drivers

Downloaded: 4072 times

Not followed.

License: MIT license  

LED driver 6 Click is a high brightness LED or LED strip driver, designed to be used in tunable Smart Connected Lighting (SCL) applications. It is based on the AL1781, a single-channel PWM dimmable linear LED driver.

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  • mikroSDK Library 2.0.0.0
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mikroSDK Library Blog

LED Driver 6 click

LED Driver 6 click

Native view of the LED Driver 6 click board.

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LED Driver 6 click

LED Driver 6 click

Front and back view of the LED Driver 6 click board.

View full image

Library Description

Library provides full control of the LEDs illumination. PWM functions are used to control the brightness temperature of the LEDs. The library also offers reading the current PG voltage score that serves to regulate lights and alerts.

Key functions:

  • uint16_t leddriver6_getPGVoltage() - Reads PG output voltage
  • uint32_t leddriver6_pwmInit(uint16_t freq) -
  • void leddriver6_pwmSetDuty(uint16_t duty) - PWM set duty cycle

Examples description

The application is composed of the three sections :

  • System Initialization - Initialization I2C module, sets INT pin as INPUT and PWM pin as OUTPUT
  • Application Initialization - Initialization driver init and pwm init for LED
  • Application Task - Waits for valid user input and executes functions based on set of valid commands

Commands : '+' - Increase LED light '-' - Decrease LED light 'v' - Display current PG voltage

void applicationTask()
{
    uint8_t dataReady_;
    char receivedData_;

    dataReady_ = UART_Rdy_Ptr( );

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

        switch (receivedData_)
        {
            case '+' :
            {
                _increase();
                break;
            }
            case '-' :
            {
                _decrease();
                break;
            }
            case 'v' :
            {
                _currentPGVoltage();
                break;
            }
        }
    }
}

Additional Functions :

  • void _increase( ) - Increase LED's light
  • void _decrease( ) - Decrease LED's light
  • void _currentPGVoltage( ) - Reads and logs PG voltage

Other mikroE Libraries used in the example:

  • I2C
  • PWM
  • UART

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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