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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.4
mikroSDK Library: 2.0.0.0
Category: Rotary encoder
Downloaded: 92 times
Not followed.
License: MIT license
Rotary R 2 Click is a compact add-on board that allows you to add a precision input knob to your design. This board features the TLC5925, a low-power 16-channel constant-current LED sink driver from Texas Instruments that, combined with a high-quality rotary encoder from ALPS, the EC12D1564402, allows you to add a precision input knob to your design. It also features an LED ring composed of 16 individual red LEDs that can visually represent the encoder position and more.
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DOWNLOAD LINK | RELATED COMPILER | CONTAINS |
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5544_rotary_r_2_click.zip [599.40KB] | mikroC AI for ARM GCC for ARM Clang for ARM mikroC AI for PIC mikroC AI for PIC32 XC32 GCC for RISC-V Clang for RISC-V mikroC AI for AVR mikroC AI for dsPIC XC16 |
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Rotary R 2 Click is a compact add-on board that allows you to add a precision input knob to your design. This board features the TLC5925, a low-power 16-channel constant-current LED sink driver from Texas Instruments that, combined with a high-quality rotary encoder from ALPS, the EC12D1564402, allows you to add a precision input knob to your design. It also features an LED ring composed of 16 individual red LEDs that can visually represent the encoder position and more.
We provide a library for the Rotary R 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.
This library contains API for Rotary R 2 Click driver.
rotaryr2_cfg_setup
Config Object Initialization function.
void rotaryr2_cfg_setup ( rotaryr2_cfg_t *cfg );
rotaryr2_init
Initialization function.
err_t rotaryr2_init ( rotaryr2_t *ctx, rotaryr2_cfg_t *cfg );
rotaryr2_default_cfg
Click Default Configuration function.
err_t rotaryr2_default_cfg ( rotaryr2_t *ctx );
rotaryr2_set_led_pos
This function turns on the LED for the selected LED position.
err_t rotaryr2_set_led_pos ( rotaryr2_t *ctx, uint8_t led_pos );
rotaryr2_set_led_data
This function, using SPI serial interface, writes a desired 16-bit data.
err_t rotaryr2_set_led_data ( rotaryr2_t *ctx, uint16_t data_in );
rotaryr2_get_state_switch
This function return rotary encoder switch signal, states of the SW(INT).
uint8_t rotaryr2_get_state_switch ( rotaryr2_t *ctx );
This library contains the API for the Rotary R 2 Click driver to control LEDs states and a rotary encoder position readings.
The demo application is composed of two sections :
Initialization of SPI module and log UART. After the driver init, the app executes a default configuration and turn off all LEDs.
void application_init ( void )
{
log_cfg_t log_cfg; /**< Logger config object. */
rotaryr2_cfg_t rotaryr2_cfg; /**< Click config object. */
/**
* Logger initialization.
* Default baud rate: 115200
* Default log level: LOG_LEVEL_DEBUG
* @note If USB_UART_RX and USB_UART_TX
* are defined as HAL_PIN_NC, you will
* need to define them manually for log to work.
* See @b LOG_MAP_USB_UART macro definition for detailed explanation.
*/
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_info( &logger, " Application Init " );
// Click initialization.
rotaryr2_cfg_setup( &rotaryr2_cfg );
ROTARYR2_MAP_MIKROBUS( rotaryr2_cfg, MIKROBUS_1 );
if ( SPI_MASTER_ERROR == rotaryr2_init( &rotaryr2, &rotaryr2_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
if ( ROTARYR2_ERROR == rotaryr2_default_cfg ( &rotaryr2 ) )
{
log_error( &logger, " Default configuration." );
for ( ; ; );
}
log_info( &logger, " Application Task " );
}
This example demonstrates the use of the Rotary R 2 Click board™. The demo example shows the functionality of a rotary encoder used to control LEDs.
void application_task ( void )
{
if ( ROTARYR2_OK == rotaryr2_set_led_data( &rotaryr2, led_data ) )
{
rotaryr2_switch_detection( );
rotaryr2_encoder_mechanism( );
}
}
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:
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.