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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.17
mikroSDK Library: 2.0.0.0
Category: Port expander
Downloaded: 159 times
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License: MIT license
Expand 4 Click carries TPCIC6A595, a chip that combines an 8-bit serial-in, parallel-out shift register with an 8-bit D-type storage register.
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DOWNLOAD LINK | RELATED COMPILER | CONTAINS |
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3510_expand_4_click.zip [580.57KB] | 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 AVR mikroC AI for dsPIC XC16 |
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Expand 4 Click carries TPCIC6A595, a chip that combines an 8-bit serial-in, parallel-out shift register with an 8-bit D-type storage register.
We provide a library for the Expand4 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.
This library contains API for Expand4 Click driver.
Config Object Initialization function.
void expand4_cfg_setup ( expand4_cfg_t *cfg );
Initialization function.
EXPAND4_RETVAL expand4_init ( expand4_t ctx, expand4_cfg_t cfg );
Click Default Configuration function.
void expand4_default_cfg ( expand4_t *ctx );
Function write 8-bit data function to TPIC6A595 shift register.
void expand4_write_data( expand4_t *ctx, uint8_t write_command );
Function turn on output buffers - set PWM pin low
void expand4_enable_output( expand4_t *ctx );
Function clear input TPIC6A595 shift register.
void expand4_reset( expand4_t *ctx );
Example demonstrates use of Expand 4 Click board.
The demo application is composed of two sections :
Initialization driver enable's - Clear TPIC6A595 register and start write log.
void application_init ( void )
{
log_cfg_t log_cfg;
expand4_cfg_t cfg;
/**
* 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.
expand4_cfg_setup( &cfg );
EXPAND4_MAP_MIKROBUS( cfg, MIKROBUS_1 );
expand4_init( &expand4, &cfg );
expand4_reset( &expand4 );
}
This is a example which demonstrates the use of Expand 4 Click board. In this example, the LED pin mask is transferred via SPI bus, LEDs connected to D0-D7 pins are lit accordingly by turning ON LEDs from D0 to D7 for 3 sec. Results are being sent to the Usart Terminal where you can track their changes. All data logs on usb uart for aproximetly every 3 sec. when the change pin who is connected.
void application_task ( void )
{
uint8_t pin_position;
for ( pin_position = 0; pin_position < 8; pin_position++ )
{
expand4_disable_output( &expand4 );
Delay_ms ( 100 );
expand4_turn_on_by_position( &expand4, pin_position );
Delay_ms ( 100 );
log_printf( &logger, " D%d", pin_position );
expand4_enable_output( &expand4 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
}
log_printf( &logger, "\n----------------------------------\n");
}
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:
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.