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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.3
mikroSDK Library: 2.0.0.0
Category: Stepper
Downloaded: 28 times
Not followed.
License: MIT license
Stepper 7 Click is a bipolar step motor driver. It features an H-bridge bipolar step motor driver, which supports full and half step control modes. Stepper 7 Click also carries a port expander so that the communication can be done with a minimal number of pins, through the mikroBUS™ SPI bus.
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Stepper 7 Click is a bipolar step motor driver. It features an H-bridge bipolar step motor driver, which supports full and half step control modes. Stepper 7 Click also carries a port expander so that the communication can be done with a minimal number of pins, through the mikroBUS™ SPI bus.
We provide a library for the Stepper 7 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 7 Click driver.
stepper7_cfg_setup
Config Object Initialization function.
void stepper7_cfg_setup ( stepper7_cfg_t *cfg );
stepper7_init
Initialization function.
err_t stepper7_init ( stepper7_t *ctx, stepper7_cfg_t *cfg );
stepper7_default_cfg
Click Default Configuration function.
err_t stepper7_default_cfg ( stepper7_t *ctx );
stepper7_set_direction
This function sets the motor direction to clockwise or counter-clockwise in ctx->direction.
void stepper7_set_direction ( stepper7_t *ctx, uint8_t dir );
stepper7_set_step_mode
This function sets the step mode resolution settings in ctx->step_mode.
void stepper7_set_step_mode ( stepper7_t *ctx, uint8_t mode );
stepper7_drive_motor
This function drives the motor for the specific number of steps at the selected speed.
err_t stepper7_drive_motor ( stepper7_t *ctx, uint32_t steps, uint8_t speed );
This example demonstrates the use of the Stepper 7 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. */
stepper7_cfg_t stepper7_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.
stepper7_cfg_setup( &stepper7_cfg );
STEPPER7_MAP_MIKROBUS( stepper7_cfg, MIKROBUS_1 );
if ( SPI_MASTER_ERROR == stepper7_init( &stepper7, &stepper7_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
if ( STEPPER7_ERROR == stepper7_default_cfg ( &stepper7 ) )
{
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 800 1/8th steps with 2 seconds 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" );
stepper7_set_direction ( &stepper7, STEPPER7_DIR_CW );
stepper7_set_step_mode ( &stepper7, STEPPER7_MODE_FULL_STEP );
stepper7_drive_motor ( &stepper7, 200, STEPPER7_SPEED_SLOW );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
log_printf ( &logger, " Move 200 half steps counter-clockwise, speed: medium\r\n\n" );
stepper7_set_direction ( &stepper7, STEPPER7_DIR_CCW );
stepper7_set_step_mode ( &stepper7, STEPPER7_MODE_HALF_STEP );
stepper7_drive_motor ( &stepper7, 200, STEPPER7_SPEED_MEDIUM );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
log_printf ( &logger, " Move 800 1/8th steps counter-clockwise, speed: fast\r\n\n" );
stepper7_set_direction ( &stepper7, STEPPER7_DIR_CCW );
stepper7_set_step_mode ( &stepper7, STEPPER7_MODE_1_OVER_8_STEP );
stepper7_drive_motor ( &stepper7, 800, STEPPER7_SPEED_FAST );
Delay_ms ( 1000 );
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.