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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.8
mikroSDK Library: 2.0.0.0
Category: Pushbutton/Switches
Downloaded: 100 times
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License: MIT license
Thumbwheel Click is a mikroBUS add-on board with a 10-position rotary sprocket connected to a 1-Wire 8-Channel Addressable Switch
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DOWNLOAD LINK | RELATED COMPILER | CONTAINS |
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4949_thumbwheel_click.zip [478.10KB] | 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 dsPIC XC16 |
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Thumbwheel Click is a mikroBUS add-on board with a 10-position rotary sprocket connected to a 1-Wire 8-Channel Addressable Switch.
We provide a library for the Thumbwheel 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 Thumbwheel Click driver.
thumbwheel_cfg_setup
Config Object Initialization function.
void thumbwheel_cfg_setup ( thumbwheel_cfg_t *cfg );
thumbwheel_init
Initialization function.
err_t thumbwheel_init ( thumbwheel_t *ctx, thumbwheel_cfg_t *cfg );
thumbwheel_get_position
This function gets the position of the rotary sprocket. err_t thumbwheel_get_position ( thumbwheel_t *ctx, uint8_t *position );
This example demonstrates the use of Thumbwheel Click board by displaying the exact position of the rotary sprocket.
The demo application is composed of two sections :
Initializes the driver and checks the communication.
void application_init ( void )
{
log_cfg_t log_cfg; /**< Logger config object. */
thumbwheel_cfg_t thumbwheel_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.
thumbwheel_cfg_setup( &thumbwheel_cfg );
THUMBWHEEL_MAP_MIKROBUS( thumbwheel_cfg, MIKROBUS_1 );
if ( ONE_WIRE_ERROR == thumbwheel_init( &thumbwheel, &thumbwheel_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
if ( THUMBWHEEL_ERROR == thumbwheel_check_communication ( &thumbwheel ) )
{
log_error( &logger, " Default configuration." );
for ( ; ; );
}
log_info( &logger, " Application Task " );
}
Demonstrates the usage of thumbwheel_get_position function which gives the exact position of the rotary sprocket. The position will be displayed on the UART Terminal.
void application_task ( void )
{
static uint8_t old_position = 0xFF;
uint8_t position;
if ( ( THUMBWHEEL_OK == thumbwheel_get_position ( &thumbwheel, &position ) ) &&
( old_position != position ) )
{
log_printf( &logger, " Position: %u \r\n\n", ( uint16_t ) position );
old_position = position;
}
Delay_ms ( 100 );
}
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.