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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.11
mikroSDK Library: 2.0.0.0
Category: Motion
Downloaded: 200 times
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License: MIT license
Accel 18 Click is a compact add-on board that contains an acceleration sensor. This board features the MC3419, a digital output 3-axis accelerometer with a feature set optimized for consumer product motion sensing from MEMSIC.
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DOWNLOAD LINK | RELATED COMPILER | CONTAINS |
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4727_accel_18_click.zip [464.91KB] | 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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Accel 18 Click is a compact add-on board that contains an acceleration sensor. This board features the MC3419, a digital output 3-axis accelerometer with a feature set optimized for consumer product motion sensing from MEMSIC.
We provide a library for the Accel18 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 Accel18 Click driver.
accel18_cfg_setup
Config Object Initialization function.
void accel18_cfg_setup ( accel18_cfg_t *cfg );
accel18_init
Initialization function.
err_t accel18_init ( accel18_t *ctx, accel18_cfg_t *cfg );
accel18_default_cfg
Click Default Configuration function.
err_t accel18_default_cfg ( accel18_t *ctx );
accel18_read_axes
Accel data reading.
err_t accel18_read_axes ( accel18_t *ctx, accel18_axes_t *axes_data );
accel18_set_range
Set range configuration.
err_t accel18_set_range ( accel18_t *ctx, uint8_t range_macro );
accel18_get_interrupt_1
Get interrupt 1 pin state.
uint8_t accel18_get_interrupt_1 ( accel18_t *ctx );
This example application showcases ability of the device to read axes values on detected interrupt.
The demo application is composed of two sections :
Initialization of comunication modules(SPI/I2C, UART) and additional two interrupt pins. Then configures device and sets 8g range and 10 Hz data rate, with interrupt enabled.
void application_init ( void )
{
log_cfg_t log_cfg; /**< Logger config object. */
accel18_cfg_t accel18_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.
accel18_cfg_setup( &accel18_cfg );
ACCEL18_MAP_MIKROBUS( accel18_cfg, MIKROBUS_1 );
err_t init_flag = accel18_init( &accel18, &accel18_cfg );
if ( ( I2C_MASTER_ERROR == init_flag ) || ( SPI_MASTER_ERROR == init_flag ) )
{
log_error( &logger, " Application Init Error. " );
log_info( &logger, " Please, run program again... " );
for ( ; ; );
}
if ( accel18_default_cfg ( &accel18 ) )
{
log_error( &logger, " Default configuration. " );
log_info( &logger, " Please, run program again... " );
for ( ; ; );
}
log_info( &logger, " Application Task " );
}
Whenever interrupt is detected checks interrupt status for data ready, and then reads x, y, and z axes, calculates value and logs result.
void application_task ( void )
{
accel18_axes_t axes_data;
if ( !accel18_get_interrupt_1( &accel18 ) )
{
// Check interrupts
uint8_t interrupt_state = 0;
accel18_byte_read( &accel18, ACCEL18_REG_INTERRUPT_STATUS, &interrupt_state );
if ( interrupt_state & ACCEL18_INT_ACQ_EN )
{
// Axis read
accel18_read_axes( &accel18, &axes_data );
log_printf( &logger, " > X[g]: %.2f\r\n", axes_data.x );
log_printf( &logger, " > Y[g]: %.2f\r\n", axes_data.y );
log_printf( &logger, " > Z[g]: %.2f\r\n", axes_data.z );
log_printf( &logger, "**************************\r\n" );
}
// Clear interrupts
if ( interrupt_state )
{
accel18_byte_write( &accel18, ACCEL18_REG_INTERRUPT_STATUS, ~interrupt_state );
}
}
}
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.