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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.17
mikroSDK Library: 2.0.0.0
Category: Optical
Downloaded: 464 times
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License: MIT license
Ambient Click carries the Melexis MLX75305 IC. It’s a CMOS integrated optical sensor that consists of a photodiode, a transimpendance amplifier, and an output transistor.
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| DOWNLOAD LINK | RELATED COMPILER | CONTAINS |
|---|---|---|
| 3363_ambient_click.zip [331.67KB] | 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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Ambient Click carries the Melexis MLX75305 IC. It’s a CMOS integrated optical sensor that consists of a photodiode, a transimpendance amplifier, and an output transistor.
We provide a library for the Ambient 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 Ambient Click driver.
ambient_cfg_setup Config Object Initialization function.
void ambient_cfg_setup ( ambient_cfg_t *cfg ); ambient_init Initialization function.
err_t ambient_init ( ambient_t *ctx, ambient_cfg_t *cfg );ambient_read_an_pin_voltage This function reads results of AD conversion of the AN pin and converts them to proportional voltage level.
err_t ambient_read_an_pin_voltage ( ambient_t *ctx, float *data_out );ambient_get_light_intensity Calculates the light intensity from analog voltage measurement of the Melexis MLX75305 IC on Ambient Click board.
uint16_t ambient_get_light_intensity ( ambient_t *ctx );This application turns light intensity into voltage.
The demo application is composed of two sections :
Initialization driver and logger.
void application_init ( void )
{
log_cfg_t log_cfg;
ambient_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.
ambient_cfg_setup( &cfg );
AMBIENT_MAP_MIKROBUS( cfg, MIKROBUS_1 );
ambient_init( &ambient, &cfg );
log_info( &logger, " Application Task " );
}
This is an example which demonstrates the use of Ambient Click board. Ambient Click reads ADC voltage once per second and converts it to light intensity [ uW/cm2 ]. Results are being sent to the USB UART where you can track their changes.
void application_task ( void )
{
uint16_t light_intensity = ambient_get_light_intensity( &ambient );
log_printf( &logger, " Light Intensity: %u uW/cm2\r\n\n", light_intensity );
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.
