adc16  2.0.0.0
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ADC 16 Click

ADC 16 Click is a compact add-on board that contains a high-performance data converter. This board features the ADS7142-Q1, a low-power two-channel 12-bit analog-to-digital converter from Texas Instruments. This I2C configurable 140kSPS successive approximation register (SAR) analog-to-digital converter (ADC) can autonomously monitor signals while maximizing system power, reliability, and performance. It implements event-triggered interrupts per channel using a digital window comparator with programmable high and low thresholds, hysteresis, and event counter.

Click Product page


Click library

  • Author : Stefan Filipovic
  • Date : Feb 2022.
  • Type : I2C type

Software Support

We provide a library for the ADC 16 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.

Library Description

This library contains API for ADC 16 Click driver.

Standard key functions :

Example key functions :

  • adc16_single_register_write This function writes a single data to the selected register.
    err_t adc16_single_register_write ( adc16_t *ctx, uint8_t reg, uint8_t data_in );
  • adc16_single_register_read This function reads a single data from the selected register.
    err_t adc16_single_register_read ( adc16_t *ctx, uint8_t reg, uint8_t *data_out );
  • adc16_get_voltage This function reads the voltage from two analog input single-ended channels.
    err_t adc16_get_voltage ( adc16_t *ctx, float *ain0_voltage, float *ain1_voltage );

Example Description

This example demonstrates the use of ADC 16 Click board by reading the voltage from the two analog input channels.

The demo application is composed of two sections :

Application Init

Initializes the driver and performs the Click default configuration which sets the two analog input channels to single-ended mode.

void application_init ( void )
{
log_cfg_t log_cfg;
adc16_cfg_t adc16_cfg;
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_info( &logger, " Application Init " );
// Click initialization.
adc16_cfg_setup( &adc16_cfg );
ADC16_MAP_MIKROBUS( adc16_cfg, MIKROBUS_1 );
if ( I2C_MASTER_ERROR == adc16_init( &adc16, &adc16_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
if ( ADC16_ERROR == adc16_default_cfg ( &adc16 ) )
{
log_error( &logger, " Default configuration." );
for ( ; ; );
}
log_info( &logger, " Application Task " );
}

Application Task

Reads and displays the voltage from the two analog input channels on the USB UART approximately every 100ms.

void application_task ( void )
{
float ain0_voltage, ain1_voltage;
if ( ADC16_OK == adc16_get_voltage ( &adc16, &ain0_voltage, &ain1_voltage ) )
{
log_printf ( &logger, " AIN0 voltage: %.3f V \r\n", ain0_voltage );
log_printf ( &logger, " AIN1 voltage: %.3f V \r\n\n", ain1_voltage );
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:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.ADC16

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.


adc16_single_register_read
err_t adc16_single_register_read(adc16_t *ctx, uint8_t reg, uint8_t *data_out)
ADC 16 single register read function.
adc16_init
err_t adc16_init(adc16_t *ctx, adc16_cfg_t *cfg)
ADC 16 initialization function.
ADC16_OK
@ ADC16_OK
Definition: adc16.h:272
adc16_get_voltage
err_t adc16_get_voltage(adc16_t *ctx, float *ain0_voltage, float *ain1_voltage)
ADC 16 get voltage function.
application_task
void application_task(void)
Definition: main.c:66
ADC16_MAP_MIKROBUS
#define ADC16_MAP_MIKROBUS(cfg, mikrobus)
MikroBUS pin mapping.
Definition: adc16.h:222
adc16_default_cfg
err_t adc16_default_cfg(adc16_t *ctx)
ADC 16 default configuration function.
adc16_cfg_t
ADC 16 Click configuration object.
Definition: adc16.h:254
adc16_t
ADC 16 Click context object.
Definition: adc16.h:236
application_init
void application_init(void)
Definition: main.c:30
adc16_cfg_setup
void adc16_cfg_setup(adc16_cfg_t *cfg)
ADC 16 configuration object setup function.
ADC16_ERROR
@ ADC16_ERROR
Definition: adc16.h:273
adc16_single_register_write
err_t adc16_single_register_write(adc16_t *ctx, uint8_t reg, uint8_t data_in)
ADC 16 single register write function.