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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.18
mikroSDK Library: 2.0.0.0
Category: Current sensor
Downloaded: 239 times
Not followed.
License: MIT license
Hall current 3 Click is a very accurate current measurement Click board™, which utilizes the Hall effect to provide a precise and reliable measurement of reasonably high current. Its most distinctive feature is a very low series resistance of only 0.7mΩ, making this device a nearly-perfect ammeter.
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| DOWNLOAD LINK | RELATED COMPILER | CONTAINS |
|---|---|---|
| 3321_hall_current_3_c.zip [535.69KB] | 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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Hall current 3 Click is a very accurate current measurement Click board™, which utilizes the Hall effect to provide a precise and reliable measurement of reasonably high current.
We provide a library for the HallCurrent3 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 form compilers IDE(recommended way), or downloaded from our LibStock, or found on mikroE github account.
This library contains API for HallCurrent3 Click driver.
Config Object Initialization function.
void hallcurrent3_cfg_setup ( hallcurrent3_cfg_t *cfg );
Initialization function.
HALLCURRENT3_RETVAL hallcurrent3_init ( hallcurrent3_t ctx, hallcurrent3_cfg_t cfg );
This function calculates the current value.
float hallcurrent3_getCurrent( hallcurrent3_t *ctx );
This function read two bytes of data from the specified register.
uint16_t hallcurrent3_read_data ( hallcurrent3_t *ctx, uint8_t reg );
The example starts off with the logger and Click modules and then starts measuring and displaying current values.
The demo application is composed of two sections :
Initializes and configures the logger and Click modules.
void application_init ( )
{
log_cfg_t log_cfg;
hallcurrent3_cfg_t cfg;
/**
* 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.
hallcurrent3_cfg_setup( &cfg );
HALLCURRENT3_MAP_MIKROBUS( cfg, MIKROBUS_1 );
hallcurrent3_init( &hallcurrent3, &cfg );
}
Reads and displays current values every second.
void application_task ( )
{
float current_data;
current_data = hallcurrent3_getCurrent( &hallcurrent3 );
log_printf( &logger, "Current : %f mA\r\n" );
Delay_ms ( 1000 );
}The full application code, and ready to use projects can be installed directly form compilers IDE(recommneded) or found on LibStock page or mikroE GitHub accaunt.
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. The terminal available in all Mikroelektronika compilers, or any other terminal application of your choice, can be used to read the message.
