io_control.h

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/*
   Copyright 2018 Paul Konstantin Gerke

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
 */

#ifndef IO_CONTROL_H
#define IO_CONTROL_H

#include <stdint.h>
#include <stdbool.h>

#define PIN_INPUT_MODE_DIGITAL 0
#define PIN_INPUT_MODE_ANALOG 1


typedef struct {
    uint8_t pin_pps; 
    volatile unsigned char *out_src_pps_reg; 
    uint8_t pin_tris_bitmask;
    
    volatile unsigned char *tris_reg;
    volatile unsigned char *port_reg;
    volatile unsigned char *ansel_reg;
    volatile unsigned char *latch_reg;
} PinDef;


void pin_set_pin_mode(const PinDef* def, bool output);

bool pin_get_input(const PinDef* def);

void pin_set_output(const PinDef* def, bool on);

void pin_set_input_mode(const PinDef* def, uint8_t input_mode);


extern const PinDef* PIN_RA0;
extern const PinDef* PIN_RA1;
extern const PinDef* PIN_RA2;
extern const PinDef* PIN_RA3;
extern const PinDef* PIN_RA4;
extern const PinDef* PIN_RA5;

extern const PinDef* PIN_RB4;
extern const PinDef* PIN_RB5;
extern const PinDef* PIN_RB6;
extern const PinDef* PIN_RB7;

extern const PinDef* PIN_RC0;
extern const PinDef* PIN_RC1;
extern const PinDef* PIN_RC2;
extern const PinDef* PIN_RC3;
extern const PinDef* PIN_RC4;
extern const PinDef* PIN_RC5;
extern const PinDef* PIN_RC6;
extern const PinDef* PIN_RC7;

#endif  /* IO_CONTROL_H */