adc8  2.0.0.0
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ADC 8 click

ADC 8 Click is a high precision, low-power, 16-bit analog-to-digital converter (ADC), based around the ADS1115 IC.

click Product page


Click library

  • Author : Katarina Perendic
  • Date : okt 2019.
  • Type : I2C type

Software Support

We provide a library for the Adc8 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.

Library Description

This library contains API for Adc8 Click driver.

Standard key functions :

  • Config Object Initialization function.

    void adc8_cfg_setup ( adc8_cfg_t *cfg );

  • Initialization function.

    ADC8_RETVAL adc8_init ( adc8_t *ctx, adc8_cfg_t *cfg );

  • Click Default Configuration function.

    void adc8_default_cfg ( adc8_t *ctx );

Example key functions :

Examples Description

The demo app shows voltage measurement across all singles and different channels.

The demo application is composed of two sections :

Application Init

Configuring clicks and log objects. Settings the click in the default configuration.

void application_init ( void )
{
log_cfg_t log_cfg;
// Logger initialization.
log_cfg.level = LOG_LEVEL_DEBUG;
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_info( &logger, "---- Application Init ----" );
// Click initialization.
adc8_cfg_setup( &cfg );
ADC8_MAP_MIKROBUS( cfg, MIKROBUS_1 );
adc8_init( &adc8, &cfg );
adc8_default_cfg( &adc8 );
log_info( &logger, "---- ADC start ----" );
}

Application Task

Reads voltage from each channel one by one and the voltage difference between specified channels.

void application_task ( void )
{
adc8_single_volt_t single_volt;
adc8_diff_volt_t diff_volt;
log_printf( &logger, "\r\n-----------------------------------" );
// Single channel
adc8_get_single_channel( &adc8, &single_volt );
log_printf( &logger, "\r\n>>> SINGLE CHANNEL <<<<\r\n" );
log_printf( &logger, "- CH 0: %.2f\r\n", single_volt.ch_0 );
log_printf( &logger, "- CH 1: %.2f\r\n", single_volt.ch_1 );
log_printf( &logger, "- CH 2: %.2f\r\n", single_volt.ch_2 );
log_printf( &logger, "- CH 3: %.2f\r\n", single_volt.ch_3 );
// Diff channel
adc8_get_diff_channel( &adc8, &diff_volt );
log_printf( &logger, "\r\n>>> DIFF CHANNEL <<<<\r\n" );
log_printf( &logger, "- CH(0-1): %.2f\r\n", diff_volt.ch_0_1 );
log_printf( &logger, "- CH(0-3): %.2f\r\n", diff_volt.ch_0_3 );
log_printf( &logger, "- CH(1-3): %.2f\r\n", diff_volt.ch_1_3 );
log_printf( &logger, "- CH(2-3): %.2f\r\n", diff_volt.ch_2_3 );
Delay_ms( 1000 );
}

Note

On the input channel AIN0, AIN1, AIN2 and AIN3 sets maximum voltage GND - 0.3V < VIN > VDD + 0.3V

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:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.Adc8

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.


adc8_diff_volt_t::ch_0_3
float ch_0_3
Definition: adc8.h:255
adc8_diff_volt_t
Diff channel (volt) type.
Definition: adc8.h:252
adc8_cfg_setup
void adc8_cfg_setup(adc8_cfg_t *cfg)
Config Object Initialization function.
adc8_single_volt_t::ch_1
float ch_1
Definition: adc8.h:243
adc8_single_volt_t::ch_3
float ch_3
Definition: adc8.h:245
adc8_single_volt_t::ch_0
float ch_0
Definition: adc8.h:242
application_task
void application_task(void)
Definition: main.c:60
adc8_get_single_channel
void adc8_get_single_channel(adc8_t *ctx, adc8_single_volt_t *volt)
Get [Package} Single channel voltage.
adc8_diff_volt_t::ch_0_1
float ch_0_1
Definition: adc8.h:254
adc8_diff_volt_t::ch_2_3
float ch_2_3
Definition: adc8.h:257
adc8_single_volt_t
Single channel (volt) type.
Definition: adc8.h:240
adc8_init
ADC8_RETVAL adc8_init(adc8_t *ctx, adc8_cfg_t *cfg)
Initialization function.
adc8_diff_volt_t::ch_1_3
float ch_1_3
Definition: adc8.h:256
adc8_default_cfg
void adc8_default_cfg(adc8_t *ctx)
Click Default Configuration function.
adc8_cfg_t
Click configuration structure definition.
Definition: adc8.h:219
application_init
void application_init(void)
Definition: main.c:38
adc8_get_diff_channel
void adc8_get_diff_channel(adc8_t *ctx, adc8_diff_volt_t *volt)
Get [Package] Diff channel voltage.
adc8_single_volt_t::ch_2
float ch_2
Definition: adc8.h:244
ADC8_MAP_MIKROBUS
#define ADC8_MAP_MIKROBUS(cfg, mikrobus)
Definition: adc8.h:51