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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.11
mikroSDK Library: 2.0.0.0
Category: ADC
Downloaded: 160 times
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License: MIT license
ADC 17 Click is a compact add-on board that contains a high-performance data converter. This board features the MAX11645, a low-power two-channel 12-bit analog-to-digital converter from Analog Devices. The MAX11645 measures two single-ended or one differential input. The fully differential analog inputs are software configurable (I2C interface) for unipolar or bipolar, and single-ended or differential operation. The 2.048V internal reference determines its full-scale analog input range. This Click board™ offers complete, high accuracy solutions for the most demanding applications from energy-harvesting sensors to portable consumer electronics, point-of-load monitoring (voltage, current, and temperature), and more.
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ADC 17 Click is a compact add-on board that contains a high-performance data converter. This board features the MAX11645, a low-power two-channel 12-bit analog-to-digital converter from Analog Devices. The MAX11645 measures two single-ended or one differential input. The fully differential analog inputs are software configurable (I2C interface) for unipolar or bipolar, and single-ended or differential operation. The 2.048V internal reference determines its full-scale analog input range. This Click board™ offers complete, high accuracy solutions for the most demanding applications from energy-harvesting sensors to portable consumer electronics, point-of-load monitoring (voltage, current, and temperature), and more.
We provide a library for the ADC 17 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 ADC 17 Click driver.
adc17_cfg_setup
Config Object Initialization function.
void adc17_cfg_setup ( adc17_cfg_t *cfg );
adc17_init
Initialization function.
err_t adc17_init ( adc17_t *ctx, adc17_cfg_t *cfg );
adc17_default_cfg
Click Default Configuration function.
err_t adc17_default_cfg ( adc17_t *ctx );
adc17_set_channel
This function sets the selected channel active by modifying the config byte.
err_t adc17_set_channel ( adc17_t *ctx, uint8_t channel );
adc17_get_voltage
This function reads the voltage from the previously selected channel by using I2C serial interface.
err_t adc17_get_voltage ( adc17_t *ctx, float *voltage );
adc17_write_setup_byte
This function writes a setup byte to the ADC chip by using I2C serial interface.
err_t adc17_write_setup_byte ( adc17_t *ctx, uint8_t setup_byte );
This example demonstrates the use of ADC 17 Click board by reading the voltage from the two analog input channels.
The demo application is composed of two sections :
Initializes the driver and performs the Click default configuration which sets the input channels to single-ended unipolar mode.
void application_init ( void )
{
log_cfg_t log_cfg; /**< Logger config object. */
adc17_cfg_t adc17_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.
adc17_cfg_setup( &adc17_cfg );
ADC17_MAP_MIKROBUS( adc17_cfg, MIKROBUS_1 );
if ( I2C_MASTER_ERROR == adc17_init( &adc17, &adc17_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
if ( ADC17_ERROR == adc17_default_cfg ( &adc17 ) )
{
log_error( &logger, " Default configuration." );
for ( ; ; );
}
log_info( &logger, " Application Task " );
}
Reads and displays the voltage from the two analog input channels on the USB UART approximately every 500ms.
void application_task ( void )
{
float voltage;
if ( ADC17_OK == adc17_set_channel ( &adc17, ADC17_CHANNEL_0 ) )
{
if ( ADC17_OK == adc17_get_voltage ( &adc17, &voltage ) )
{
log_printf ( &logger, " AIN0 voltage: %.3f V \r\n\n", voltage );
}
}
if ( ADC17_OK == adc17_set_channel ( &adc17, ADC17_CHANNEL_1 ) )
{
if ( ADC17_OK == adc17_get_voltage ( &adc17, &voltage ) )
{
log_printf ( &logger, " AIN1 voltage: %.3f V \r\n\n", voltage );
}
}
Delay_ms ( 500 );
}
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.