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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: 38 times
Not followed.
License: MIT license
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.
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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.
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.
This library contains API for Stepper 8 Click driver.
stepper8_cfg_setup
Config Object Initialization function.
void stepper8_cfg_setup ( stepper8_cfg_t *cfg );
stepper8_init
Initialization function.
err_t stepper8_init ( stepper8_t *ctx, stepper8_cfg_t *cfg );
stepper8_default_cfg
Click Default Configuration function.
err_t stepper8_default_cfg ( stepper8_t *ctx );
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 );
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 :
Initializes the driver and performs the Click default configuration.
void application_init ( void )
{
log_cfg_t log_cfg; /**< Logger config object. */
stepper8_cfg_t stepper8_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.
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 " );
}
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" );
stepper8_set_direction ( &stepper8, STEPPER8_DIR_CW );
stepper8_set_step_mode ( &stepper8, STEPPER8_MODE_FULL_STEP );
stepper8_drive_motor ( &stepper8, 200, STEPPER8_SPEED_SLOW );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
log_printf ( &logger, " Move 200 half steps counter-clockwise, speed: medium\r\n\n" );
stepper8_set_direction ( &stepper8, STEPPER8_DIR_CCW );
stepper8_set_step_mode ( &stepper8, STEPPER8_MODE_HALF_STEP );
stepper8_drive_motor ( &stepper8, 200, STEPPER8_SPEED_MEDIUM );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
log_printf ( &logger, " Move 400 quarter steps counter-clockwise, speed: fast\r\n\n" );
stepper8_set_direction ( &stepper8, STEPPER8_DIR_CCW );
stepper8_set_step_mode ( &stepper8, STEPPER8_MODE_QUARTER_STEP );
stepper8_drive_motor ( &stepper8, 400, STEPPER8_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.