spiisolator6  2.0.0.0
Main Page

SPI Isolator 6 click

SPI Isolator 6 Click is a compact add-on board representing a digital isolator optimized for a serial peripheral interface. This board features the MAX22345, a fast, low-power 4-channel digital galvanic isolator from Analog Devices. This device comes with a maximum data rate of 200Mbps and transfers digital signals between circuits with different power domains featuring reinforced isolation for a withstand voltage rating of 3.75kVRMS for 60 seconds.

click Product page


Click library

  • Author : Stefan Filipovic
  • Date : Jun 2022.
  • Type : SPI type

Software Support

We provide a library for the SPI Isolator 6 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 SPI Isolator 6 Click driver.

Standard key functions :

Example key functions :

  • spiisolator6_generic_write This function writes a desired number of data bytes by using SPI serial interface.
    err_t spiisolator6_generic_write ( spiisolator6_t *ctx, uint8_t *data_in, uint8_t in_len );
  • spiisolator6_generic_read This function writes and then reads a desired number of data bytes by using SPI serial interface.
    err_t spiisolator6_generic_read ( spiisolator6_t *ctx, uint8_t *data_in, uint8_t in_len, uint8_t *data_out, uint8_t out_len );

Example Description

This example demonstrates the use of SPI Isolator 6 click board by reading the device ID of the connected Accel 22 click board.

The demo application is composed of two sections :

Application Init

Initializes the driver and logger.

void application_init ( void )
{
log_cfg_t log_cfg;
spiisolator6_cfg_t spiisolator6_cfg;
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_info( &logger, " Application Init " );
// Click initialization.
spiisolator6_cfg_setup( &spiisolator6_cfg );
SPIISOLATOR6_MAP_MIKROBUS( spiisolator6_cfg, MIKROBUS_1 );
if ( SPI_MASTER_ERROR == spiisolator6_init( &spiisolator6, &spiisolator6_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
log_info( &logger, " Application Task " );
}

Application Task

Reads and checks the device ID of the connected Accel 22 click board, and displays the results on the USB UART approximately once per second.

void application_task ( void )
{
Delay_ms( 1000 );
}

Note

Make sure to provide VCC power supply on VCC-EXT pin.

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.SPIIsolator6

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.


spiisolator6_cfg_t
SPI Isolator 6 Click configuration object.
Definition: spiisolator6.h:129
spiisolator6_generic_read
err_t spiisolator6_generic_read(spiisolator6_t *ctx, uint8_t *data_in, uint8_t in_len, uint8_t *data_out, uint8_t out_len)
SPI Isolator 6 data reading function.
spiisolator6_get_accel22_device_id
void spiisolator6_get_accel22_device_id(spiisolator6_t *ctx)
SPI Isolator 6 get accel 22 device id function.
Definition: main.c:90
application_task
void application_task(void)
Definition: main.c:72
spiisolator6_t
SPI Isolator 6 Click context object.
Definition: spiisolator6.h:116
SPIISOLATOR6_MAP_MIKROBUS
#define SPIISOLATOR6_MAP_MIKROBUS(cfg, mikrobus)
MikroBUS pin mapping.
Definition: spiisolator6.h:102
spiisolator6_generic_write
err_t spiisolator6_generic_write(spiisolator6_t *ctx, uint8_t *data_in, uint8_t in_len)
SPI Isolator 6 data writing function.
application_init
void application_init(void)
Definition: main.c:42
spiisolator6_init
err_t spiisolator6_init(spiisolator6_t *ctx, spiisolator6_cfg_t *cfg)
SPI Isolator 6 initialization function.
spiisolator6_cfg_setup
void spiisolator6_cfg_setup(spiisolator6_cfg_t *cfg)
SPI Isolator 6 configuration object setup function.