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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.2
mikroSDK Library: 2.0.0.0
Category: Proximity
Downloaded: 27 times
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License: MIT license
Proximity 20 Click is a compact add-on board for short-range proximity sensing applications up to 200mm. This board features two VCNL36828P proximity sensors from Vishay Semiconductor. Key features include a 940nm VCSEL for immunity to a red glow, intelligent cancellation technology to minimize crosstalk, and a smart persistence scheme for reduced measurement response time.
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DOWNLOAD LINK | RELATED COMPILER | CONTAINS |
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5705_proximity_20_cli.zip [502.89KB] | 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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Proximity 20 Click is a compact add-on board for short-range proximity sensing applications up to 200mm. This board features two VCNL36828P proximity sensors from Vishay Semiconductor. Key features include a 940nm VCSEL for immunity to a red glow, intelligent cancellation technology to minimize crosstalk, and a smart persistence scheme for reduced measurement response time.
We provide a library for the Proximity 20 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 Proximity 20 Click driver.
proximity20_cfg_setup
Config Object Initialization function.
void proximity20_cfg_setup ( proximity20_cfg_t *cfg );
proximity20_init
Initialization function.
err_t proximity20_init ( proximity20_t *ctx, proximity20_cfg_t *cfg );
proximity20_default_cfg
Click Default Configuration function.
err_t proximity20_default_cfg ( proximity20_t *ctx );
proximity20_read_proximity
This function reads the proximity data from U2 and U3 sensors.
err_t proximity20_read_proximity ( proximity20_t *ctx, uint16_t *ps_data_u2, uint16_t *ps_data_u3 );
proximity20_set_device_address
This function sets the device slave address.
err_t proximity20_set_device_address ( proximity20_t *ctx, uint8_t dev_addr );
proximity20_enable_device
This function enables the device by setting the EN pin to high logic state.
void proximity20_enable_device ( proximity20_t *ctx );
This example demonstrates the use of Proximity 20 Click board by reading and displaying the proximity data on the USB UART.
The demo application is composed of two sections :
Initializes the driver and logger, and performs the Click default configuration.
void application_init ( void )
{
log_cfg_t log_cfg; /**< Logger config object. */
proximity20_cfg_t proximity20_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.
proximity20_cfg_setup( &proximity20_cfg );
PROXIMITY20_MAP_MIKROBUS( proximity20_cfg, MIKROBUS_1 );
if ( I2C_MASTER_ERROR == proximity20_init( &proximity20, &proximity20_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
if ( PROXIMITY20_ERROR == proximity20_default_cfg ( &proximity20 ) )
{
log_error( &logger, " Default configuration." );
for ( ; ; );
}
log_info( &logger, " Application Task " );
}
Reads the proximity data from 2 sensors and displays the results on the USB UART every 200ms. The higher the proximity value, the closer the detected object.
void application_task ( void )
{
uint16_t ps_data_u2 = 0;
uint16_t ps_data_u3 = 0;
if ( PROXIMITY20_OK == proximity20_read_proximity ( &proximity20, &ps_data_u2, &ps_data_u3 ) )
{
log_printf ( &logger, " PS data [U2]: %u\r\n", ps_data_u2 );
log_printf ( &logger, " PS data [U3]: %u\r\n\n", ps_data_u3 );
Delay_ms ( 200 );
}
}
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.