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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.2
mikroSDK Library: 2.0.0.0
Category: Current sensor
Downloaded: 22 times
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License: MIT license
Current 11 Click is a compact add-on board for industrial and commercial current-sensing applications. This board features the ACS37600K (ACS37600KOKATN-006B5-C), a programmable linear Hall-effect sensor IC from Allegro Microsystems. This sensor features a chopper-stabilized Hall-effect front-end for precise magnetic flux detection, with a sensitivity of 6mV/G and a bidirectional operating range of ±333G.
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5694_current_11_click.zip [484.91KB] | mikroC AI for ARM GCC for ARM Clang for ARM mikroC AI for PIC mikroC AI for PIC32 XC32 GCC for RISC-V Clang for RISC-V mikroC AI for AVR mikroC AI for dsPIC XC16 |
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Current 11 Click is a compact add-on board for industrial and commercial current-sensing applications. This board features the ACS37600K (ACS37600KOKATN-006B5-C), a programmable linear Hall-effect sensor IC from Allegro Microsystems. This sensor features a chopper-stabilized Hall-effect front-end for precise magnetic flux detection, with a sensitivity of 6mV/G and a bidirectional operating range of ±333G.
We provide a library for the Current 11 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 Current 11 Click driver.
current11_cfg_setup
Config Object Initialization function.
void current11_cfg_setup ( current11_cfg_t *cfg );
current11_init
Initialization function.
err_t current11_init ( current11_t *ctx, current11_cfg_t *cfg );
current11_set_vref
This function sets the voltage reference for Current 11 Click driver.
err_t current11_set_vref ( current11_t *ctx, float vref );
current11_calibrate_offset
This function calibrates the zero current offset value.
err_t current11_calibrate_offset ( current11_t *ctx );
current11_read_current
This function reads the input current level [A] based on CURRENT11_NUM_CONVERSIONS of voltage measurements.
err_t current11_read_current ( current11_t *ctx, float *current );
This example demonstrates the use of Current 11 Click board by reading and displaying the input current measurements.
The demo application is composed of two sections :
Initializes the driver and calibrates the zero current offset.
void application_init ( void )
{
log_cfg_t log_cfg; /**< Logger config object. */
current11_cfg_t current11_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.
current11_cfg_setup( ¤t11_cfg );
CURRENT11_MAP_MIKROBUS( current11_cfg, MIKROBUS_1 );
err_t init_flag = current11_init( ¤t11, ¤t11_cfg );
if ( ( ADC_ERROR == init_flag ) || ( I2C_MASTER_ERROR == init_flag ) )
{
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" );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
if ( CURRENT11_ERROR == current11_calibrate_offset ( ¤t11 ) )
{
log_error( &logger, " Calibrate offset." );
for ( ; ; );
}
log_printf( &logger, " Calibration DONE.\r\n" );
log_info( &logger, " Application Task " );
}
Reads the input current measurements and displays the results on the USB UART approximately once per second.
void application_task ( void )
{
float current = 0;
if ( CURRENT11_OK == current11_read_current ( ¤t11, ¤t ) )
{
log_printf( &logger, " Current : %.1f A\r\n\n", current );
Delay_ms ( 1000 );
}
}
For better accuracy, set the voltage reference by using the current11_set_vref function, increase the number of conversions by modifying the CURRENT11_NUM_CONVERSIONS macro, and adjust the CURRENT11_COUPLING_FACTOR_G_A value.
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.