Tasmota/lib/lib_rf/RF24/utility/ATXMegaD3/gpio_helper.c

45 lines
1.0 KiB
C

/*
* gpio_helper.c
*
* Created: 22/1/2016 15:28:48
* Author: akatran
*/
#include "gpio_helper.h"
/**
* Get the port corresponding in portnum. Default is PORTC.
*/
PORT_t * GPIO_getPort(int pinnum, uint8_t * pin_bm)
//PORT_t * GPIO_getPort(int portnum)
{
PORT_t * port = &PORTC;
if ( (pinnum >= XMEGA_PORTA_PIN0) && (pinnum<= XMEGA_PORTA_PIN7) )
{
port = &PORTA;
*pin_bm = (1<<pinnum);
}else if ( (pinnum >= XMEGA_PORTB_PIN0) && (pinnum<= XMEGA_PORTB_PIN7) )
{
port = &PORTB;
*pin_bm = (1<<(pinnum-8));
}else if ( (pinnum >= XMEGA_PORTC_PIN0) && (pinnum<= XMEGA_PORTC_PIN7) )
{
port = &PORTC;
*pin_bm = (1<<(pinnum-16));
}else if ( (pinnum >= XMEGA_PORTD_PIN0) && (pinnum<= XMEGA_PORTD_PIN7) )
{
port = &PORTD;
*pin_bm = (1<<(pinnum-24));
}else if ( (pinnum >= XMEGA_PORTE_PIN0) && (pinnum<= XMEGA_PORTE_PIN7) )
{
port = &PORTE;
*pin_bm = (1<<(pinnum-32));
}else if ( (pinnum >= XMEGA_PORTF_PIN0) && (pinnum<= XMEGA_PORTF_PIN7) )
{
port = &PORTF;
*pin_bm = (1<<(pinnum-40));
}
return port;
}