ledring2  2.1.0.0
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LED Ring 2 click

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Click library

  • Author : Nenad Filipovic
  • Date : Mar 2023.
  • Type : I2C type

Software Support

We provide a library for the LED Ring 2 Click as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.

Package can be downloaded/installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.

Library Description

This library contains API for LED Ring 2 Click driver.

Standard key functions :

Example key functions :

Example Description

This library contains API for LED Ring 2 Click driver. The library initializes and defines the I2C bus drivers to write and read data from registers. The library also includes a function for controlling LEDs.

The demo application is composed of two sections :

Application Init

The initialization of I2C module, log UART, and additional pins. After the driver init, the app executes a default configuration.

void application_init ( void )
{
log_cfg_t log_cfg;
ledring2_cfg_t ledring2_cfg;
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_info( &logger, " Application Init " );
// Click initialization.
ledring2_cfg_setup( &ledring2_cfg );
LEDRING2_MAP_MIKROBUS( ledring2_cfg, MIKROBUS_1 );
if ( I2C_MASTER_ERROR == ledring2_init( &ledring2, &ledring2_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
Delay_ms( 100 );
if ( LEDRING2_ERROR == ledring2_default_cfg ( &ledring2 ) )
{
log_error( &logger, " Default configuration." );
for ( ; ; );
}
Delay_ms( 100 );
log_info( &logger, " Application Task " );
log_printf( &logger, " LED Ring 2 Click\r\n" );
}

Application Task

This example demonstrates the use of the LED Ring 2 Click boardâ„¢. The demo example controls every LED and changes the LED brightness by PWM, increasing its brightness from LED1 to LED54.

void application_task ( void )
{
for ( uint8_t led_pos = 1; led_pos < 55; led_pos++ )
{
if ( LEDRING2_OK == ledring2_set_led_brightness( &ledring2, led_pos, ( led_pos * 100 ) + 255 ) )
{
ledring2_set_vsync( &ledring2 );
Delay_ms( 10 );
}
}
Delay_ms( 1000 );
for ( uint8_t led_pos = 54; led_pos > 0; led_pos-- )
{
if ( LEDRING2_OK == ledring2_set_led_brightness( &ledring2, led_pos, 0 ) )
{
ledring2_set_vsync( &ledring2 );
Delay_ms( 10 );
}
}
Delay_ms( 1000 );
}

The full application code, and ready to use projects can be installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.

Other Mikroe Libraries used in the example:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.LEDRing2

Additional notes and informations

Depending on the development board you are using, you may need USB UART click, USB UART 2 Click or RS232 Click to connect to your PC, for development systems with no UART to USB interface available on the board. UART terminal is available in all MikroElektronika compilers.


LEDRING2_ERROR
@ LEDRING2_ERROR
Definition: ledring2.h:311
ledring2_default_cfg
err_t ledring2_default_cfg(ledring2_t *ctx)
LED Ring 2 default configuration function.
ledring2_t
LED Ring 2 Click context object.
Definition: ledring2.h:276
ledring2_cfg_t
LED Ring 2 Click configuration object.
Definition: ledring2.h:293
application_task
void application_task(void)
Definition: main.c:71
ledring2_cfg_setup
void ledring2_cfg_setup(ledring2_cfg_t *cfg)
LED Ring 2 configuration object setup function.
ledring2_led_state_t
ledring2_led_state_t
LED Ring 2 Click LED state data.
Definition: ledring2.h:320
ledring2_init
err_t ledring2_init(ledring2_t *ctx, ledring2_cfg_t *cfg)
LED Ring 2 initialization function.
ledring2_enable
err_t ledring2_enable(ledring2_t *ctx)
LED Ring 2 enable function.
LEDRING2_OK
@ LEDRING2_OK
Definition: ledring2.h:310
ledring2_set_vsync
void ledring2_set_vsync(ledring2_t *ctx)
LED Ring 2 read registe function.
ledring2_set_led_brightness
err_t ledring2_set_led_brightness(ledring2_t *ctx, uint8_t led_pos, uint16_t led_brightness)
LED Ring 2 set LED brightness function.
ledring2_set_led_pos_state
err_t ledring2_set_led_pos_state(ledring2_t *ctx, uint8_t led_pos, ledring2_led_state_t led_state)
LED Ring 2 set LED state function.
application_init
void application_init(void)
Definition: main.c:33
LEDRING2_MAP_MIKROBUS
#define LEDRING2_MAP_MIKROBUS(cfg, mikrobus)
MikroBUS pin mapping.
Definition: ledring2.h:263