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