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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.3
mikroSDK Library: 2.0.0.0
Category: Port expander
Downloaded: 41 times
Not followed.
License: MIT license
DIGI IN 2 Click is a compact add-on board designed for converting high-voltage industrial signals into logic-level outputs, ideal for enhancing industrial control systems. This board features the MAX22196, a high-performance octal industrial sink/source digital input IC from Analog Devices. This Click board™ stands out for its ability to interface eight industrial inputs (8V-24V) via SPI, configurable as either sinking or sourcing with built-in current limiters, ensuring adherence to IEC 61131-2 standards.
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DIGI IN 2 Click is a compact add-on board designed for converting high-voltage industrial signals into logic-level outputs, ideal for enhancing industrial control systems. This board features the MAX22196, a high-performance octal industrial sink/source digital input IC from Analog Devices. This Click board™ stands out for its ability to interface eight industrial inputs (8V-24V) via SPI, configurable as either sinking or sourcing with built-in current limiters, ensuring adherence to IEC 61131-2 standards.
We provide a library for the DIGI IN 2 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 DIGI IN 2 Click driver.
digiin2_cfg_setup
Config Object Initialization function.
void digiin2_cfg_setup ( digiin2_cfg_t *cfg );
digiin2_init
Initialization function.
err_t digiin2_init ( digiin2_t *ctx, digiin2_cfg_t *cfg );
digiin2_default_cfg
Click Default Configuration function.
err_t digiin2_default_cfg ( digiin2_t *ctx );
digiin2_get_flt_pin
This function is used to get state of the FLT pin.
uint8_t digiin2_get_flt_pin ( digiin2_t *ctx );
digiin2_write_reg
This function is used to write data into the selected register by using SPI serial interface.
err_t digiin2_write_reg ( digiin2_t *ctx, uint8_t reg, uint8_t data_in );
digiin2_read_reg
This function reads a data byte from the selected register by using SPI serial interface.
err_t digiin2_read_reg ( digiin2_t *ctx, uint8_t reg, uint8_t *data_out );
This example demonstrates the use of DIGI IN 2 Click board by reading and displaying the state of the channels.
The demo application is composed of two sections :
Initializes the driver, performs the Click default configuration.
void application_init ( void )
{
log_cfg_t log_cfg; /**< Logger config object. */
digiin2_cfg_t digiin2_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.
digiin2_cfg_setup( &digiin2_cfg );
DIGIIN2_MAP_MIKROBUS( digiin2_cfg, MIKROBUS_1 );
if ( SPI_MASTER_ERROR == digiin2_init( &digiin2, &digiin2_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
if ( DIGIIN2_ERROR == digiin2_default_cfg ( &digiin2 ) )
{
log_error( &logger, " Default configuration." );
for ( ; ; );
}
log_info( &logger, " Application Task " );
}
Reads and displays on the USB UART the channel state every second.
void application_task ( void )
{
uint8_t channel_data = 0;
digiin2_pulse_latch( &digiin2 );
if ( DIGIIN2_OK == digiin2_read_reg( &digiin2, DIGIIN2_REG_DISTATE, &channel_data ) )
{
if ( channel_data & DIGIIN2_CHANNEL_1_MASK )
{
log_printf( &logger, "Channel 1 counter: HIGH \r\n" );
}
else
{
log_printf( &logger, "Channel 1 counter: LOW \r\n" );
}
if ( channel_data & DIGIIN2_CHANNEL_2_MASK )
{
log_printf( &logger, "Channel 2 counter: HIGH \r\n" );
}
else
{
log_printf( &logger, "Channel 2 counter: LOW \r\n" );
}
if ( channel_data & DIGIIN2_CHANNEL_3_MASK )
{
log_printf( &logger, "Channel 3 counter: HIGH \r\n" );
}
else
{
log_printf( &logger, "Channel 3 counter: LOW \r\n" );
}
if ( channel_data & DIGIIN2_CHANNEL_4_MASK )
{
log_printf( &logger, "Channel 4 counter: HIGH \r\n" );
}
else
{
log_printf( &logger, "Channel 4 counter: LOW \r\n" );
}
if ( channel_data & DIGIIN2_CHANNEL_5_MASK )
{
log_printf( &logger, "Channel 5 counter: HIGH \r\n" );
}
else
{
log_printf( &logger, "Channel 5 counter: LOW \r\n" );
}
if ( channel_data & DIGIIN2_CHANNEL_6_MASK )
{
log_printf( &logger, "Channel 6 counter: HIGH \r\n" );
}
else
{
log_printf( &logger, "Channel 6 counter: LOW \r\n" );
}
if ( channel_data & DIGIIN2_CHANNEL_7_MASK )
{
log_printf( &logger, "Channel 7 counter: HIGH \r\n" );
}
else
{
log_printf( &logger, "Channel 7 counter: LOW \r\n" );
}
if ( channel_data & DIGIIN2_CHANNEL_8_MASK )
{
log_printf( &logger, "Channel 8 counter: HIGH \r\n" );
}
else
{
log_printf( &logger, "Channel 8 counter: LOW \r\n" );
}
log_printf( &logger, "- - - - - - - - - - - - - -\r\n" );
}
else
{
log_error( &logger, " Read error." );
}
if ( DIGIIN2_PIN_STATE_HIGH == digiin2_get_flt_pin( &digiin2 ) )
{
uint8_t flt_data = 0;
digiin2_read_reg( &digiin2, DIGIIN2_REG_FAULT, &flt_data );
log_printf( &logger, "Fault1 data: 0x%.2X \r\n", ( uint16_t ) flt_data );
digiin2_read_reg( &digiin2, DIGIIN2_REG_FAULT2, &flt_data );
log_printf( &logger, "Fault2 data: 0x%.2X \r\n", ( uint16_t ) flt_data );
log_printf( &logger, "- - - - - - - - - - - - - -\r\n" );
}
Delay_ms ( 1000 );
}
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.