/******************************************************************************
gpio.h
CoreCard GPIO Hardware Abstraction Layer
******************************************************************************/
#ifndef GPIO_H_
#define GPIO_H_
#include <inttypes.h>
#include <avr/io.h>
/******************************************************************************
* Port output functions
* void gpio_set_out() makes GPIOX pin as output
* void gpio_set_pin() sets GPIOX pin to logical 1 level (when output)
* void gpio_clr_pin() clears GPIOX pin to logical 0 level (when output)
* void gpio_toggle_pin() toggles level of output (when output)
*
* Port input functions
* void gpio_set_in() makes GPIOX pin as input
* void gpio_set_pullup() makes GPIOX pulled high (when input)
* void gpio_clr_pullup() removes pullup on GPIOX (when input)
* uint8_t gpio_get_state() returns logical level GPIOX pin
*******************************************************************************/
static inline __attribute__ ((always_inline)) void gpio_set_pin(volatile uint8_t* port, volatile uint8_t* pin, volatile uint8_t* ddr,uint8_t nr) {*port |= (1 << nr);}
static inline __attribute__ ((always_inline)) void gpio_clr_pin(volatile uint8_t* port, volatile uint8_t* pin, volatile uint8_t* ddr,uint8_t nr) {*port &= ~(1 << nr);}
static inline __attribute__ ((always_inline)) void gpio_set_out(volatile uint8_t* port, volatile uint8_t* pin, volatile uint8_t* ddr,uint8_t nr) {*ddr |= (1 << nr);}
static inline __attribute__ ((always_inline)) void gpio_set_in(volatile uint8_t* port, volatile uint8_t* pin, volatile uint8_t* ddr,uint8_t nr) {*ddr &= ~(1 << nr);}
static inline __attribute__ ((always_inline)) void gpio_set_pullup(volatile uint8_t* port, volatile uint8_t* pin, volatile uint8_t* ddr,uint8_t nr) {*port |= (1 << nr);}
static inline __attribute__ ((always_inline)) void gpio_clr_pullup(volatile uint8_t* port, volatile uint8_t* pin, volatile uint8_t* ddr,uint8_t nr) {*port &= ~(1 << nr);}
static inline __attribute__ ((always_inline)) void gpio_toggle_pin(volatile uint8_t* port, volatile uint8_t* pin, volatile uint8_t* ddr,uint8_t nr) {*port ^= (1 << nr);}
static inline __attribute__ ((always_inline)) uint8_t gpio_get_state(volatile uint8_t* port, volatile uint8_t* pin, volatile uint8_t* ddr,uint8_t nr) {return (*pin & (1 << nr)) != 0;}
// generic ports:
#define GPIO_D0 &PORTD,&PIND,&DDRD,PD0
#define PORT_GPIO_D0 PORTD
#define PIN_GPIO_D0 PIND
#define DDR_GPIO_D0 DDRD
#define NR_GPIO_D0 PD0
#define GPIO_D1 &PORTD,&PIND,&DDRD,PD1
#define PORT_GPIO_D1 PORTD
#define PIN_GPIO_D1 PIND
#define DDR_GPIO_D1 DDRD
#define NR_GPIO_D1 PD1
#define GPIO_D2 &PORTD,&PIND,&DDRD,PD2
#define PORT_GPIO_D2 PORTD
#define PIN_GPIO_D2 PIND
#define DDR_GPIO_D2 DDRD
#define NR_GPIO_D2 PD2
#define GPIO_D4 &PORTD,&PIND,&DDRD,PD4
#define PORT_GPIO_D4 PORTD
#define PIN_GPIO_D4 PIND
#define DDR_GPIO_D4 DDRD
#define NR_GPIO_D4 PD4
#define GPIO_D5 &PORTD,&PIND,&DDRD,PD5
#define PORT_GPIO_D5 PORTD
#define PIN_GPIO_D5 PIND
#define DDR_GPIO_D5 DDRD
#define NR_GPIO_D5 PD5
#define GPIO_D6 &PORTD,&PIND,&DDRD,PD6
#define PORT_GPIO_D6 PORTD
#define PIN_GPIO_D6 PIND
#define DDR_GPIO_D6 DDRD
#define NR_GPIO_D6 PD6
#define GPIO_D7 &PORTD,&PIND,&DDRD,PD7
#define PORT_GPIO_D7 PORTD
#define PIN_GPIO_D7 PIND
#define DDR_GPIO_D7 DDRD
#define NR_GPIO_D7 PD7
#define GPIO_B0 &PORTB,&PINB,&DDRB,PB0
#define PORT_GPIO_B0 PORTB
#define PIN_GPIO_B0 PINB
#define DDR_GPIO_B0 DDRB
#define NR_GPIO_B0 PB0
#define GPIO_B1 &PORTB,&PINB,&DDRB,PB1
#define PORT_GPIO_B1 PORTB
#define PIN_GPIO_B1 PINB
#define DDR_GPIO_B1 DDRB
#define NR_GPIO_B1 PB1
#define GPIO_B2 &PORTB,&PINB,&DDRB,PB2
#define PORT_GPIO_B2 PORTB
#define PIN_GPIO_B2 PINB
#define DDR_GPIO_B2 DDRB
#define NR_GPIO_B2 PB2
#define GPIO_B7 &PORTB,&PINB,&DDRB,PB7
#define PORT_GPIO_B7 PORTB
#define PIN_GPIO_B7 PINB
#define DDR_GPIO_B7 DDRB
#define NR_GPIO_B7 PB7
#define GPIO_C0 &PORTC,&PINC,&DDRC,PC0
#define PORT_GPIO_C0 PORTC
#define PIN_GPIO_C0 PINC
#define DDR_GPIO_C0 DDRC
#define NR_GPIO_C0 PC0
#define GPIO_C1 &PORTC,&PINC,&DDRC,PC1
#define PORT_GPIO_C1 PORTC
#define PIN_GPIO_C1 PINC
#define DDR_GPIO_C1 DDRC
#define NR_GPIO_C1 PC1
#define GPIO_C2 &PORTC,&PINC,&DDRC,PC2
#define PORT_GPIO_C2 PORTC
#define PIN_GPIO_C2 PINC
#define DDR_GPIO_C2 DDRC
#define NR_GPIO_C2 PC2
#define GPIO_C3 &PORTC,&PINC,&DDRC,PC3
#define PORT_GPIO_C3 PORTC
#define PIN_GPIO_C3 PINC
#define DDR_GPIO_C3 DDRC
#define NR_GPIO_C3 PC3
#define GPIO_C4 &PORTC,&PINC,&DDRC,PC4
#define PORT_GPIO_C4 PORTC
#define PIN_GPIO_C4 PINC
#define DDR_GPIO_C4 DDRC
#define NR_GPIO_C4 PC4
#define GPIO_C5 &PORTC,&PINC,&DDRC,PC5
#define PORT_GPIO_C5 PORTC
#define PIN_GPIO_C5 PINC
#define DDR_GPIO_C5 DDRC
#define NR_GPIO_C5 PC5
// for corecard:
#define EXP_A &PORTB,&PINB,&DDRB,PB7
#define PORT_EXP_A PORTB
#define PIN_EXP_A PINB
#define DDR_EXP_A DDRB
#define NR_EXP_A PB7
#define EXP_B &PORTB,&PINB,&DDRB,PB2
#define PORT_EXP_B PORTB
#define PIN_EXP_B PINB
#define DDR_EXP_B DDRB
#define NR_EXP_B PB2
#define EXP_C &PORTB,&PINB,&DDRB,PB1
#define PORT_EXP_C PORTB
#define PIN_EXP_C PINB
#define DDR_EXP_C DDRB
#define NR_EXP_C PB1
#define EXP_D &PORTB,&PINB,&DDRB,PB0
#define PORT_EXP_D PORTB
#define PIN_EXP_D PINB
#define DDR_EXP_D DDRB
#define NR_EXP_D PB0
#define EXP_E &PORTD,&PIND,&DDRD,PD7
#define PORT_EXP_E PORTD
#define PIN_EXP_E PIND
#define DDR_EXP_E DDRD
#define NR_EXP_E PD7
#define EXP_F &PORTD,&PIND,&DDRD,PD6
#define PORT_EXP_F PORTD
#define PIN_EXP_F PIND
#define DDR_EXP_F DDRD
#define NR_EXP_F PD6
#define EXP_G &PORTD,&PIND,&DDRD,PD5
#define PORT_EXP_G PORTD
#define PIN_EXP_G PIND
#define DDR_EXP_G DDRD
#define NR_EXP_G PD5
#define EXP_H &PORTD,&PIND,&DDRD,PD4
#define PORT_EXP_H PORTD
#define PIN_EXP_H PIND
#define DDR_EXP_H DDRD
#define NR_EXP_H PD4
#define EXP_I &PORTD,&PIND,&DDRD,PD2
#define PORT_EXP_I PORTD
#define PIN_EXP_I PIND
#define DDR_EXP_I DDRD
#define NR_EXP_I PD2
#define EXP_J &PORTD,&PIND,&DDRD,PD1
#define PORT_EXP_J PORTD
#define PIN_EXP_J PIND
#define DDR_EXP_J DDRD
#define NR_EXP_J PD1
#define EXP_K &PORTD,&PIND,&DDRD,PD0
#define PORT_EXP_K PORTD
#define PIN_EXP_K PIND
#define DDR_EXP_K DDRD
#define NR_EXP_K PC0
#define EXP_L &PORTC,&PINC,&DDRC,PC5
#define PORT_EXP_L PORTC
#define PIN_EXP_L PINC
#define DDR_EXP_L DDRC
#define NR_EXP_L PC5
#define EXP_M &PORTC,&PINC,&DDRC,PC4
#define PORT_EXP_M PORTC
#define PIN_EXP_M PINC
#define DDR_EXP_M DDRC
#define NR_EXP_M PC4
#define EXP_N &PORTC,&PINC,&DDRC,PC2
#define PORT_EXP_N PORTC
#define PIN_EXP_N PINC
#define DDR_EXP_N DDRC
#define NR_EXP_N PC2
#define EXP_O &PORTC,&PINC,&DDRC,PC1
#define PORT_EXP_O PORTC
#define PIN_EXP_O PINC
#define DDR_EXP_O DDRC
#define NR_EXP_O PC1
#define EXP_P &PORTC,&PINC,&DDRC,PC0
#define PORT_EXP_P PORTC
#define PIN_EXP_P PINC
#define DDR_EXP_P DDRC
#define NR_EXP_P PC0
#endif
//eof gpio.h