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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.13
mikroSDK Library: 2.0.0.0
Category: CXPI
Downloaded: 237 times
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License: MIT license
CXPI Click is a compact add-on board that contains a transceiver that supports the next-generation automotive communication protocol. This board features the BD41000AFJ-C, a transceiver for the CXPI (Clock Extension Peripheral Interface) communication from Rohm Semiconductor.
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DOWNLOAD LINK | RELATED COMPILER | CONTAINS |
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4720_cxpi_click.zip [491.74KB] | mikroC AI for ARM GCC for ARM Clang for ARM mikroC AI for PIC mikroC AI for PIC32 XC32 GCC for RISC-V Clang for RISC-V mikroC AI for dsPIC XC16 |
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CXPI Click is a compact add-on board that contains a transceiver that supports the next-generation automotive communication protocol. This board features the BD41000AFJ-C, a transceiver for the CXPI (Clock Extension Peripheral Interface) communication from Rohm Semiconductor.
We provide a library for the CXPI 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 CXPI Click driver.
cxpi_cfg_setup
Config Object Initialization function.
void cxpi_cfg_setup ( cxpi_cfg_t *cfg );
cxpi_init
Initialization function.
err_t cxpi_init ( cxpi_t *ctx, cxpi_cfg_t *cfg );
cxpi_send_command
Send command.
void cxpi_send_command ( cxpi_t *ctx, char *command );
cxpi_set_pwm_pin_state
Set PWM pin state function.
void cxpi_set_pwm_pin_state ( cxpi_t *ctx, uint8_t pin_state );
cxpi_set_through_mode
Set through mode function.
void cxpi_set_through_mode ( cxpi_t *ctx );
This is an example that demonstrates the use of the CXPI Click board.
The demo application is composed of two sections :
Initializes UART driver. In addition to this module is placed inside transmitter/receiver working mode cappable of transmission/receive the data.
void application_init ( void ) {
log_cfg_t log_cfg; /**< Logger config object. */
cxpi_cfg_t cxpi_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 );
// Click initialization.
cxpi_cfg_setup( &cxpi_cfg );
CXPI_MAP_MIKROBUS( cxpi_cfg, MIKROBUS_1 );
err_t init_flag = cxpi_init( &cxpi, &cxpi_cfg );
if ( UART_ERROR == init_flag ) {
log_error( &logger, " Application Init Error. " );
log_info( &logger, " Please, run program again... " );
for ( ; ; );
}
log_info( &logger, " Application Task " );
cxpi_set_through_mode( &cxpi );
#ifdef DEMO_APP_TRANSMITER
log_printf( &logger, "------------------\r\n" );
log_printf( &logger, " Send data: \r\n" );
log_printf( &logger, " MikroE \r\n" );
Delay_ms ( 1000 );
#endif
#ifdef DEMO_APP_RECEIVER
log_printf( &logger, "------------------\r\n" );
log_printf( &logger, " Receive data \r\n" );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
#endif
log_printf( &logger, "------------------\r\n" );
}
Transmitter/Receiver task depend on uncommented code Receiver logging each received byte to the UART for data logging, while transmitted send messages every 5 seconds.
void application_task ( void ) {
#ifdef DEMO_APP_RECEIVER
cxpi_process( );
if ( current_rsp_buf > 0 ) {
log_printf( &logger, "%s", current_rsp_buf );
cxpi_clear_current_rsp_buf( );
}
#endif
#ifdef DEMO_APP_TRANSMITER
cxpi_send_command( &cxpi, &demo_message[ 0 ] );
log_printf( &logger, " Sent data : %s", &demo_message[ 0 ] );
log_printf( &logger, "------------------\r\n" );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
#endif
}
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.