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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.2
mikroSDK Library: 2.0.0.0
Category: Stepper
Downloaded: 27 times
Not followed.
License: MIT license
Stepper 22 Click is a compact add-on board designed for precise motion control of bipolar stepper motors and brushed DC motors. This board features the DRV8711, a bipolar stepper motor gate driver from Texas Instruments, which uses external N-channel MOSFETs to drive motors with up to 5A of output current. The board features a wide range of microstepping options from full-step to 1/256-step, adaptive blanking time, and various current decay modes, ensuring smooth and accurate motor operation. Control is achieved via a standard SPI interface and STEP/DIR inputs, with additional management through an onboard I2C-configurable GPIO expander.
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Stepper 22 Click is a compact add-on board designed for precise motion control of bipolar stepper motors and brushed DC motors. This board features the DRV8711, a bipolar stepper motor gate driver from Texas Instruments, which uses external N-channel MOSFETs to drive motors with up to 5A of output current. The board features a wide range of microstepping options from full-step to 1/256-step, adaptive blanking time, and various current decay modes, ensuring smooth and accurate motor operation. Control is achieved via a standard SPI interface and STEP/DIR inputs, with additional management through an onboard I2C-configurable GPIO expander.
We provide a library for the Stepper 22 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 Stepper 22 Click driver.
stepper22_cfg_setup
Config Object Initialization function.
void stepper22_cfg_setup ( stepper22_cfg_t *cfg );
stepper22_init
Initialization function.
err_t stepper22_init ( stepper22_t *ctx, stepper22_cfg_t *cfg );
stepper22_default_cfg
Click Default Configuration function.
err_t stepper22_default_cfg ( stepper22_t *ctx );
stepper22_set_direction
This function sets the motor direction by setting the DIR pin logic state.
err_t stepper22_set_direction ( stepper22_t *ctx, uint8_t dir );
stepper22_set_step_mode
This function sets the step mode resolution settings.
err_t stepper22_set_step_mode ( stepper22_t *ctx, uint8_t mode );
stepper22_drive_motor
This function drives the motor for the specific number of steps at the selected speed.
err_t stepper22_drive_motor ( stepper22_t *ctx, uint32_t steps, uint8_t speed );
This example demonstrates the use of the Stepper 22 Click board by driving the motor in both directions for a desired number of steps.
The demo application is composed of two sections :
Initializes the driver and performs the Click default configuration.
void application_init ( void )
{
log_cfg_t log_cfg; /**< Logger config object. */
stepper22_cfg_t stepper22_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.
stepper22_cfg_setup( &stepper22_cfg );
STEPPER22_MAP_MIKROBUS( stepper22_cfg, MIKROBUS_1 );
err_t init_flag = stepper22_init( &stepper22, &stepper22_cfg );
if ( ( I2C_MASTER_ERROR == init_flag ) || ( SPI_MASTER_ERROR == init_flag ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
if ( STEPPER22_ERROR == stepper22_default_cfg ( &stepper22 ) )
{
log_error( &logger, " Default configuration." );
for ( ; ; );
}
log_info( &logger, " Application Task " );
}
Drives the motor clockwise for 200 full steps and then counter-clockiwse for 200 half steps and 400 quarter steps with a 1 second delay on driving mode change. All data is being logged on the USB UART where you can track the program flow.
void application_task ( void )
{
log_printf ( &logger, " Move 200 full steps clockwise, speed: slow\r\n\n" );
stepper22_set_direction ( &stepper22, STEPPER22_DIR_CW );
stepper22_set_step_mode ( &stepper22, STEPPER22_MODE_FULL_STEP );
stepper22_drive_motor ( &stepper22, 200, STEPPER22_SPEED_SLOW );
Delay_ms ( 1000 );
log_printf ( &logger, " Move 200 half steps counter-clockwise, speed: medium\r\n\n" );
stepper22_set_direction ( &stepper22, STEPPER22_DIR_CCW );
stepper22_set_step_mode ( &stepper22, STEPPER22_MODE_HALF_STEP );
stepper22_drive_motor ( &stepper22, 200, STEPPER22_SPEED_MEDIUM );
Delay_ms ( 1000 );
log_printf ( &logger, " Move 400 quarter steps counter-clockwise, speed: fast\r\n\n" );
stepper22_set_direction ( &stepper22, STEPPER22_DIR_CCW );
stepper22_set_step_mode ( &stepper22, STEPPER22_MODE_QUARTER_STEP );
stepper22_drive_motor ( &stepper22, 400, STEPPER22_SPEED_FAST );
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:
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.