stepper8  2.1.0.0
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Stepper 8 Click

Stepper 8 Click is a motor control add on board based on TC78H670FTG from Toshiba, a clock-in and serial controlled Bipolar Stepping Motor Driver which can drive a 128 micro-stepping motor with a power supply ranging from 2.5V to 16V for wide range of applications includes USB-powered, battery-powered, and standard 9-12V system devices. A perfect solution for driving stepper motors in security cameras, portable printers, handheld scanners, pico-projectors, smartphones and many more.

Click Product page


Click library

  • Author : Stefan Filipovic
  • Date : Feb 2024.
  • Type : I2C/SPI type

Software Support

We provide a library for the Stepper 8 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 Stepper 8 Click driver.

Standard key functions :

Example key functions :

  • stepper8_set_direction This function sets the motor direction by setting the DIR pin logic state.
    void stepper8_set_direction ( stepper8_t *ctx, uint8_t dir );
  • stepper8_set_step_mode This function sets the step mode resolution settings.
    err_t stepper8_set_step_mode ( stepper8_t *ctx, uint8_t mode );
  • stepper8_drive_motor This function drives the motor for the specific number of steps at the selected speed.
    err_t stepper8_drive_motor ( stepper8_t *ctx, uint32_t steps, uint8_t speed );

Example Description

This example demonstrates the use of the Stepper 8 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;
stepper8_cfg_t stepper8_cfg;
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_info( &logger, " Application Init " );
// Click initialization.
stepper8_cfg_setup( &stepper8_cfg );
STEPPER8_MAP_MIKROBUS( stepper8_cfg, MIKROBUS_1 );
err_t init_flag = stepper8_init( &stepper8, &stepper8_cfg );
if ( ( I2C_MASTER_ERROR == init_flag ) || ( SPI_MASTER_ERROR == init_flag ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
if ( STEPPER8_ERROR == stepper8_default_cfg ( &stepper8 ) )
{
log_error( &logger, " Default configuration." );
for ( ; ; );
}
log_info( &logger, " Application Task " );
}

Application Task

Drives the motor clockwise for 200 full steps and then counter-clockiwse for 200 half

steps and 400 quarter 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" );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
log_printf ( &logger, " Move 200 half steps counter-clockwise, speed: medium\r\n\n" );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
log_printf ( &logger, " Move 400 quarter 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.Stepper8

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.


STEPPER8_MODE_FULL_STEP
#define STEPPER8_MODE_FULL_STEP
Stepper 8 step resolution setting.
Definition: stepper8.h:134
STEPPER8_DIR_CCW
#define STEPPER8_DIR_CCW
Definition: stepper8.h:111
STEPPER8_MODE_HALF_STEP
#define STEPPER8_MODE_HALF_STEP
Definition: stepper8.h:135
stepper8_init
err_t stepper8_init(stepper8_t *ctx, stepper8_cfg_t *cfg)
Stepper 8 initialization function.
stepper8_drive_motor
err_t stepper8_drive_motor(stepper8_t *ctx, uint32_t steps, uint8_t speed)
Stepper 8 driver motor function.
stepper8_cfg_t
Stepper 8 Click configuration object.
Definition: stepper8.h:222
STEPPER8_SPEED_FAST
#define STEPPER8_SPEED_FAST
Definition: stepper8.h:127
stepper8_set_direction
void stepper8_set_direction(stepper8_t *ctx, uint8_t dir)
Stepper 8 set direction function.
stepper8_set_step_mode
err_t stepper8_set_step_mode(stepper8_t *ctx, uint8_t mode)
Stepper 8 set step mode function.
application_task
void application_task(void)
Definition: main.c:67
stepper8_cfg_setup
void stepper8_cfg_setup(stepper8_cfg_t *cfg)
Stepper 8 configuration object setup function.
STEPPER8_MODE_QUARTER_STEP
#define STEPPER8_MODE_QUARTER_STEP
Definition: stepper8.h:136
stepper8_s
Stepper 8 Click context object.
Definition: stepper8.h:200
stepper8_default_cfg
err_t stepper8_default_cfg(stepper8_t *ctx)
Stepper 8 default configuration function.
STEPPER8_DIR_CW
#define STEPPER8_DIR_CW
Stepper 8 direction setting.
Definition: stepper8.h:110
application_init
void application_init(void)
Definition: main.c:30
STEPPER8_SPEED_MEDIUM
#define STEPPER8_SPEED_MEDIUM
Definition: stepper8.h:126
STEPPER8_SPEED_SLOW
#define STEPPER8_SPEED_SLOW
Definition: stepper8.h:125
STEPPER8_ERROR
@ STEPPER8_ERROR
Definition: stepper8.h:249
STEPPER8_MAP_MIKROBUS
#define STEPPER8_MAP_MIKROBUS(cfg, mikrobus)
MikroBUS pin mapping.
Definition: stepper8.h:180