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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: 36 times
Not followed.
License: MIT license
STSPIN220 Click is a stepper motor driver with the PWM current control and selectable microstepping up to 256 microsteps. It is based on the STSPIN220, a low voltage stepper motor driver from STSPIN2 series. It is optimized for battery-powered, low voltage motor driving applications, featuring the lowest standby current available on the market (max 80 nA). The STSPIN220 is a high-efficiency motor driver, featuring low ON resistance MOSFETs as the output stage, in a small 3x3mm QFN package. Its output stage implements the PWM current control with fixed OFF time, along with a full set of protection features. The device can be used with the step motor voltage ranging from 1.8V to 10V, and current up to 1.3A per bridge.
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STSPIN220 Click is a stepper motor driver with the PWM current control and selectable microstepping up to 256 microsteps. It is based on the STSPIN220, a low voltage stepper motor driver from STSPIN2 series. It is optimized for battery-powered, low voltage motor driving applications, featuring the lowest standby current available on the market (max 80 nA). The STSPIN220 is a high-efficiency motor driver, featuring low ON resistance MOSFETs as the output stage, in a small 3x3mm QFN package. Its output stage implements the PWM current control with fixed OFF time, along with a full set of protection features. The device can be used with the step motor voltage ranging from 1.8V to 10V, and current up to 1.3A per bridge.
We provide a library for the STSPIN220 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 STSPIN220 Click driver.
stspin220_cfg_setup
Config Object Initialization function.
void stspin220_cfg_setup ( stspin220_cfg_t *cfg );
stspin220_init
Initialization function.
err_t stspin220_init ( stspin220_t *ctx, stspin220_cfg_t *cfg );
stspin220_default_cfg
Click Default Configuration function.
void stspin220_default_cfg ( stspin220_t *ctx );
stspin220_set_direction
This function sets the motor direction by setting the DIR pin logic state.
void stspin220_set_direction ( stspin220_t *ctx, uint8_t dir );
stspin220_drive_motor
This function drives the motor for the specific number of steps at the selected speed.
void stspin220_drive_motor ( stspin220_t *ctx, uint32_t steps, uint8_t speed );
stspin220_reset_device
This function resets the device by toggling the RST pin.
void stspin220_reset_device ( stspin220_t *ctx );
This example demonstrates the use of the STSPIN220 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. */
stspin220_cfg_t stspin220_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.
stspin220_cfg_setup( &stspin220_cfg );
STSPIN220_MAP_MIKROBUS( stspin220_cfg, MIKROBUS_1 );
if ( DIGITAL_OUT_UNSUPPORTED_PIN == stspin220_init( &stspin220, &stspin220_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
stspin220_default_cfg ( &stspin220 );
log_info( &logger, " Application Task " );
}
Drives the motor clockwise for 200 steps and then counter-clockwise with a 2 seconds delay 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 steps clockwise, speed: slow\r\n\n" );
stspin220_set_direction ( &stspin220, STSPIN220_DIR_CW );
stspin220_drive_motor ( &stspin220, 200, STSPIN220_SPEED_SLOW );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
log_printf ( &logger, " Move 200 steps counter-clockwise, speed: fast\r\n\n" );
stspin220_set_direction ( &stspin220, STSPIN220_DIR_CCW );
stspin220_drive_motor ( &stspin220, 200, STSPIN220_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.