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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.14
mikroSDK Library: 2.0.0.0
Category: Force
Downloaded: 234 times
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License: MIT license
Load Cell 4 Click is a compact add-on board that contains a resistive sensor signal conditioner with a fast power-up data output response. This board features the ZSC31014, a CMOS integrated circuit for highly accurate amplification and analog-to-digital conversion of differential and half-bridge input signals from Renesas.
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Load Cell 4 Click is a compact add-on board that contains a resistive sensor signal conditioner with a fast power-up data output response. This board features the ZSC31014, a CMOS integrated circuit for highly accurate amplification and analog-to-digital conversion of differential and half-bridge input signals from Renesas.
We provide a library for the LoadCell4 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 LoadCell4 Click driver.
loadcell4_cfg_setup
Config Object Initialization function.
void loadcell4_cfg_setup ( loadcell4_cfg_t *cfg );
loadcell4_init
Initialization function.
err_t loadcell4_init ( loadcell4_t *ctx, loadcell4_cfg_t *cfg );
loadcell4_default_cfg
Click Default Configuration function.
err_t loadcell4_default_cfg ( loadcell4_t *ctx );
loadcell4_power_dev
Enable power function.
void loadcell4_power_dev ( loadcell4_t *ctx, uint8_t power_state );
loadcell4_tare
Tare the scales function.
void loadcell4_tare ( loadcell4_t *ctx, loadcell4_data_t *cell_data );
loadcell4_get_weight
Get weight function.
float loadcell4_get_weight ( loadcell4_t *ctx, loadcell4_data_t *cell_data );
This is an example that demonstrates the use of the Load Cell 4 Click board.
The demo application is composed of two sections :
Initializes I2C driver and performs the power on. Sets tare the scale, calibrate scale and start measurements.
void application_init ( void ) {
log_cfg_t log_cfg; /**< Logger config object. */
loadcell4_cfg_t loadcell4_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.
loadcell4_cfg_setup( &loadcell4_cfg );
LOADCELL4_MAP_MIKROBUS( loadcell4_cfg, MIKROBUS_1 );
err_t init_flag = loadcell4_init( &loadcell4, &loadcell4_cfg );
if ( I2C_MASTER_ERROR == init_flag ) {
log_error( &logger, " Application Init Error. " );
log_info( &logger, " Please, run program again... " );
for ( ; ; );
}
loadcell4_default_cfg ( &loadcell4 );
loadcell4_power_dev( &loadcell4, LOADCELL4_PWR_ON );
Delay_ms ( 500 );
log_printf( &logger, "-------------------------\r\n" );
log_printf( &logger, " ~~~ STEP 1 ~~~ \r\n" );
log_printf( &logger, "-------------------------\r\n" );
log_printf( &logger, " Tare the scale : \r\n" );
log_printf( &logger, "- - - - - - - - - - - - -\r\n" );
log_printf( &logger, " >> Remove all object << \r\n" );
log_printf( &logger, "- - - - - - - - - - - - -\r\n" );
log_printf( &logger, " In the following 10 sec \r\n" );
log_printf( &logger, " please remove all object\r\n" );
log_printf( &logger, " from the scale. \r\n" );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
log_printf( &logger, "-------------------------\r\n" );
log_printf( &logger, " Start tare scales \r\n" );
loadcell4_tare( &loadcell4, &cell_data );
Delay_ms ( 500 );
log_printf( &logger, "-------------------------\r\n" );
log_printf( &logger, " Tarring is complete \r\n" );
log_printf( &logger, "-------------------------\r\n" );
log_printf( &logger, " ~~~ STEP 2 ~~~ \r\n" );
log_printf( &logger, "-------------------------\r\n" );
log_printf( &logger, " Calibrate Scale : \r\n" );
log_printf( &logger, "- - - - - - - - - - - - -\r\n" );
log_printf( &logger, " >>> Load etalon <<< \r\n" );
log_printf( &logger, "- - - - - - - - - - - - -\r\n" );
log_printf( &logger, " In the following 10 sec \r\n" );
log_printf( &logger, "place 100 g weight etalon\r\n" );
log_printf( &logger, " on the scale for \r\n" );
log_printf( &logger, " calibration purpose. \r\n" );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
log_printf( &logger, "-------------------------\r\n" );
log_printf( &logger, " Start calibration \r\n" );
if ( loadcell4_calibration( &loadcell4, LOADCELL4_WEIGHT_100G, &cell_data ) == LOADCELL4_OK ) {
log_printf( &logger, "-------------------------\r\n" );
log_printf( &logger, " Calibration Done \r\n" );
log_printf( &logger, "- - - - - - - - - - - - -\r\n" );
log_printf( &logger, " >>> Remove etalon <<< \r\n" );
log_printf( &logger, "- - - - - - - - - - - - -\r\n" );
log_printf( &logger, " In the following 10 sec \r\n" );
log_printf( &logger, " remove 100 g weight \r\n" );
log_printf( &logger, " etalon on the scale. \r\n" );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
} else {
log_printf( &logger, "-------------------------\r\n" );
log_printf( &logger, " Calibration Error \r\n" );
for ( ; ; );
}
log_printf( &logger, "-------------------------\r\n" );
log_printf( &logger, " Start measurements : \r\n" );
log_printf( &logger, "-------------------------\r\n" );
}
The Load Cell 4 Click board can be used to measure weight, shows the measurement of scales in grams [ g ]. Results are being sent to the Usart Terminal where you can track their changes. All data logs write on USB uart changes for every 4 sec.
void application_task ( void ) {
weight_val = loadcell4_get_weight( &loadcell4, &cell_data );
log_printf( &logger, " Weight : %.2f g \r\n", weight_val );
Delay_ms ( 100 );
}
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.
BT Audio 2 Click is Bluetooth audio stream add on board based on BM62 module from Microchip. It's a Stereo Audio module which is fully qualified Bluetooth v5.0 dual-mode (BDR/EDR/BLE) to be added in any wireless audio and voice application.
[Learn More]6DOF IMU 6 Click features a 6-axis MotionTracking device that combines a 3-axis gyroscope, a 3-axis accelerometer, and a Digital Motion Processorâ„¢ (DMP) labeled as ICM-20689.
[Learn More]DC Motor 27 Click is a compact add-on board that contains a high-performance brushed DC motor driver. This board features the DRV8143, an automotive half-bridge driver with integrated current sense and diagnostic from Texas Instruments.
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