Hall Current 22 Click
Hall Current 22 Click demo application is developed using the NECTO Studio, ensuring compatibility with mikroSDK's open-source libraries and tools. Designed for plug-and-play implementation and testing, the demo is fully compatible with all development, starter, and mikromedia boards featuring a mikroBUS™ socket.
Click Library
- Author : Stefan Filipovic
- Date : Mar 2025.
- Type : ADC/I2C type
Software Support
Example Description
This example demonstrates the use of Hall Current 22 Click board by reading and displaying the input current measurements.
Example Libraries
- MikroSDK.Board
- MikroSDK.Log
- Click.HallCurrent22
Example Key Functions
- hallcurrent22_cfg_setup This function initializes Click configuration structure to initial values.
void hallcurrent22_cfg_setup(hallcurrent22_cfg_t *cfg)
Hall Current 22 configuration object setup function.
Hall Current 22 Click configuration object.
Definition hallcurrent22.h:153
- hallcurrent22_init This function initializes all necessary pins and peripherals used for this Click board.
err_t hallcurrent22_init(hallcurrent22_t *ctx, hallcurrent22_cfg_t *cfg)
Hall Current 22 initialization function.
Hall Current 22 Click context object.
Definition hallcurrent22.h:136
- hallcurrent22_calib_offset This function calibrates the zero current offset value.
err_t hallcurrent22_calib_offset(hallcurrent22_t *ctx)
Hall Current 22 calib offset function.
- hallcurrent22_calib_resolution This function calibrates the data resolution at the known load current.
err_t hallcurrent22_calib_resolution(hallcurrent22_t *ctx, float calib_current)
Hall Current 22 calib resolution function.
- hallcurrent22_read_current This function reads the input current level [A].
err_t hallcurrent22_read_current(hallcurrent22_t *ctx, float *current)
Hall Current 22 read current function.
Application Init
Initializes the driver and calibrates the zero current offset and data resolution at 1A load current.
{
log_cfg_t log_cfg;
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_info( &logger, " Application Init " );
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
log_printf( &logger, " Calibrating zero current offset in 5 seconds...\r\n" );
log_printf( &logger, " Make sure no current flows through the sensor during the calibration process.\r\n" );
for ( uint8_t cnt = 5; cnt > 0; cnt-- )
{
log_printf( &logger, " %u\r\n", ( uint16_t ) cnt );
Delay_ms ( 1000 );
}
{
log_error( &logger, " Calibrate offset." );
for ( ; ; );
}
log_printf( &logger, " Offset calibration DONE.\r\n\n" );
log_printf( &logger, " Calibrating data resolution in 5 seconds...\r\n" );
log_printf( &logger, " Keep the load current set at %.1f A during the calibration process.\r\n",
for ( uint8_t cnt = 5; cnt > 0; cnt-- )
{
log_printf( &logger, " %u\r\n", ( uint16_t ) cnt );
Delay_ms ( 1000 );
}
{
log_error( &logger, " Calibrate resolution." );
for ( ; ; );
}
log_printf( &logger, " Data resolution calibration DONE.\r\n" );
log_info( &logger, " Application Task " );
}
#define HALLCURRENT22_MAP_MIKROBUS(cfg, mikrobus)
MikroBUS pin mapping.
Definition hallcurrent22.h:112
@ HALLCURRENT22_OK
Definition hallcurrent22.h:174
@ HALLCURRENT22_ERROR
Definition hallcurrent22.h:175
#define HALLCURRENT22_CALIBRATING_CURRENT
Definition main.c:31
void application_init(void)
Definition main.c:36
Application Task
Reads the input current measurements and displays the results on the USB UART approximately once per second.
{
float current = 0;
{
log_printf( &logger, " Current : %.1f A\r\n\n", current );
Delay_ms ( 1000 );
}
}
void application_task(void)
Definition main.c:95
Note
The measurement range is approximately: +/- 10A.
Application Output
This Click board can be interfaced and monitored in two ways:
- Application Output - Use the "Application Output" window in Debug mode for real-time data monitoring. Set it up properly by following this tutorial.
- UART Terminal - Monitor data via the UART Terminal using a USB to UART converter. For detailed instructions, check out this tutorial.
Additional Notes and Information
The complete application code and a ready-to-use project are available through the NECTO Studio Package Manager for direct installation in the NECTO Studio. The application code can also be found on the MIKROE GitHub account.