stspin820  2.1.0.0
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STSPIN820 click

STSPIN820 click is a stepper motor driver with the PWM current control, selectable microstepping up to 256 microsteps, and a wide voltage range. It is based on the STSPIN820, a stepper motor driver from STSPIN8 series. Designed to be a bullet-proof solution for the new wave of demanding industrial applications, it integrates two full-bridges with low ON resistance, the control logic, and a full set of protection features, in a small 4x4mm QFN package. Its output stage implements the PWM current control with the fixed OFF time. The device can be used with the step motor voltage ranging from 7V up to 45V, and current up to 1.5A per bridge.

click Product page


Click library

  • Author : Stefan Filipovic
  • Date : Mar 2024.
  • Type : GPIO type

Software Support

We provide a library for the STSPIN820 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.

Library Description

This library contains API for STSPIN820 Click driver.

Standard key functions :

Example key functions :

Example Description

This example demonstrates the use of the STSPIN820 click board by driving the motor in both directions for a desired number of steps.

The demo application is composed of two sections :

Application Init

Initializes the driver and performs the click default configuration.

void application_init ( void )
{
log_cfg_t log_cfg;
stspin820_cfg_t stspin820_cfg;
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_info( &logger, " Application Init " );
// Click initialization.
stspin820_cfg_setup( &stspin820_cfg );
STSPIN820_MAP_MIKROBUS( stspin820_cfg, MIKROBUS_1 );
if ( DIGITAL_OUT_UNSUPPORTED_PIN == stspin820_init( &stspin820, &stspin820_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
stspin820_default_cfg ( &stspin820 );
log_info( &logger, " Application Task " );
}

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" );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
log_printf ( &logger, " Move 200 steps counter-clockwise, speed: fast\r\n\n" );
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:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.STSPIN820

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.


stspin820_set_direction
void stspin820_set_direction(stspin820_t *ctx, uint8_t dir)
STSPIN820 set direction function.
stspin820_init
err_t stspin820_init(stspin820_t *ctx, stspin820_cfg_t *cfg)
STSPIN820 initialization function.
stspin820_default_cfg
void stspin820_default_cfg(stspin820_t *ctx)
STSPIN820 default configuration function.
STSPIN820_DIR_CW
#define STSPIN820_DIR_CW
STSPIN820 direction setting.
Definition: stspin820.h:72
STSPIN820_SPEED_SLOW
#define STSPIN820_SPEED_SLOW
Definition: stspin820.h:87
application_task
void application_task(void)
Definition: main.c:62
stspin820_reset_device
void stspin820_reset_device(stspin820_t *ctx)
STSPIN820 reset device function.
stspin820_cfg_setup
void stspin820_cfg_setup(stspin820_cfg_t *cfg)
STSPIN820 configuration object setup function.
stspin820_drive_motor
void stspin820_drive_motor(stspin820_t *ctx, uint32_t steps, uint8_t speed)
STSPIN820 drive motor function.
stspin820_cfg_t
STSPIN820 Click configuration object.
Definition: stspin820.h:138
stspin820_t
STSPIN820 Click context object.
Definition: stspin820.h:123
application_init
void application_init(void)
Definition: main.c:30
STSPIN820_DIR_CCW
#define STSPIN820_DIR_CCW
Definition: stspin820.h:73
STSPIN820_SPEED_FAST
#define STSPIN820_SPEED_FAST
Definition: stspin820.h:89
STSPIN820_MAP_MIKROBUS
#define STSPIN820_MAP_MIKROBUS(cfg, mikrobus)
MikroBUS pin mapping.
Definition: stspin820.h:108